Xantrex XDC 10-600 Operating Manual

Xantrex XDC 10-600 Operating Manual

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Manual
Xantrex XDC 10-600 Operating Manual | Manualzz
Artisan Technology Group is your source for quality
new and certified-used/pre-owned equipment
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XDC 10-600
XDC 20-300
XDC 30-200
XDC 40-150
XDC 60-100
XDC 80-75
XDC 100-60
XDC 150-40
XDC 300-20
XDC 600-10
XDC
XDC
XDC
XDC
XDC
XDC
XDC
XDC
XDC
XDC
10-1200
20-600
30-400
40-300
60-200
80-150
100-120
150-80
300-40
600-20
Operating Manual
XDC 6000 Watt
and 12000 Watt Series
Digital Programmable
DC Power Supply
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Operating Manual for
XDC 6000 Watt and
12000 Watt Series
Digital Programmable
DC Power Supply
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Limited
Warranty
What does this warranty cover and how long does it last?
This Limited Warranty is provided by Xantrex Technology, Inc. (“Xantrex”) and
covers defects in workmanship and materials in your XDC 6000 Watt or
12000 Watt Series Digital DC Power Supply. This warranty lasts for a Warranty
Period of 5 years from the date of purchase at point of sale to you, the original end
user customer.
What will Xantrex do?
Xantrex will, at its option, repair or replace the defective product free of charge,
provided that you notify Xantrex of the product defect within the Warranty Period,
and provided that Xantrex through inspection establishes the existence of such a
defect and that it is covered by this Limited Warranty.
Xantrex will, at its option, use new and/or reconditioned parts in performing
warranty repair and building replacement products. Xantrex reserves the right to use
parts or products of original or improved design in the repair or replacement. If
Xantrex repairs or replaces a product, its warranty continues for the remaining
portion of the original Warranty Period or 90 days from the date of the return
shipment to the customer, whichever is greater. All replaced products and all parts
removed from repaired products become the property of Xantrex.
Xantrex covers both parts and labor necessary to repair the product, and return
shipment to the customer via a Xantrex-selected non-expedited surface freight
within the contiguous United States and Canada. Alaska and Hawaii are excluded.
Contact Xantrex Customer Service for details on freight policy for return shipments
outside of the contiguous United States and Canada.
How do you get service?
If your product requires troubleshooting or warranty service, contact your merchant.
If you are unable to contact your merchant, or the merchant is unable to provide
service, contact Xantrex directly at:
ii
Phone:
604 422 8595
Toll Free North America:
1 800 667 8422
Fax:
604 421 3056
Email:
[email protected]
Operating Manual for XDC Series Power Supply
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Direct returns may be performed according to the Xantrex Return Material
Authorization Policy described in your product manual. For some products, Xantrex
maintains a network of regional Authorized Service Centers. Call Xantrex or check
our website to see if your product can be repaired at one of these facilities.
In any warranty claim, dated proof of purchase must accompany the product and the
product must not have been disassembled or modified without prior written
authorization by Xantrex.
Proof of purchase may be in any one of the following forms:
•
•
•
The dated purchase receipt from the original purchase of the product at point of
sale to the end user, or
The dated dealer invoice or purchase receipt showing original equipment
manufacturer (OEM) status, or
The dated invoice or purchase receipt showing the product exchanged under
warranty
What does this warranty not cover?
This Limited Warranty does not cover normal wear and tear of the product or costs
related to the removal, installation, or troubleshooting of the customer’s electrical
systems. This warranty does not apply to and Xantrex will not be responsible for any
defect in or damage to:
a. the product if it has been misused, neglected, improperly installed, physically
damaged or altered, either internally or externally, or damaged from improper
use or use in an unsuitable environment;
b. the product if it has been subjected to fire, water, generalized corrosion,
biological infestations, and high input voltage from lightning strikes;
c. the product if repairs have been done to it other than by Xantrex or its authorized
service centers (hereafter “ASCs”);
d. the product if it is used as a component part of a product expressly warranted by
another manufacturer;
e. the product if its original identification (trade-mark, serial number) markings
have been defaced, altered, or removed.
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Disclaimer Product
THIS LIMITED WARRANTY IS THE SOLE AND EXCLUSIVE WARRANTY PROVIDED
BY XANTREX IN CONNECTION WITH YOUR XANTREX PRODUCT AND IS, WHERE
PERMITTED BY LAW, IN LIEU OF ALL OTHER WARRANTIES, CONDITIONS,
GUARANTEES, REPRESENTATIONS, OBLIGATIONS AND LIABILITIES, EXPRESS
OR IMPLIED, STATUTORY OR OTHERWISE IN CONNECTION WITH THE
PRODUCT, HOWEVER ARISING (WHETHER BY CONTRACT, TORT, NEGLIGENCE,
PRINCIPLES OF MANUFACTURER’S LIABILITY, OPERATION OF LAW, CONDUCT,
STATEMENT OR OTHERWISE), INCLUDING WITHOUT RESTRICTION ANY
IMPLIED WARRANTY OR CONDITION OF QUALITY, MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE. ANY IMPLIED WARRANTY OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TO THE EXTENT
REQUIRED UNDER APPLICABLE LAW TO APPLY TO THE PRODUCT SHALL BE
LIMITED IN DURATION TO THE PERIOD STIPULATED UNDER THIS LIMITED
WARRANTY.
IN NO EVENT WILL XANTREX BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT,
INCIDENTAL OR CONSEQUENTIAL DAMAGES, LOSSES, COSTS OR EXPENSES
HOWEVER ARISING WHETHER IN CONTRACT OR TORT INCLUDING WITHOUT
RESTRICTION ANY ECONOMIC LOSSES OF ANY KIND, ANY LOSS OR DAMAGE TO
PROPERTY, ANY PERSONAL INJURY, ANY DAMAGE OR INJURY ARISING FROM OR
AS A RESULT OF MISUSE OR ABUSE, OR THE INCORRECT INSTALLATION,
INTEGRATION OR OPERATION OF THE PRODUCT.
Exclusions If this product is a consumer product, federal law does not allow an exclusion of
implied warranties. To the extent you are entitled to implied warranties under federal
law, to the extent permitted by applicable law they are limited to the duration of this
Limited Warranty. Some states and provinces do not allow limitations or exclusions
on implied warranties or on the duration of an implied warranty or on the limitation
or exclusion of incidental or consequential damages, so the above limitation(s) or
exclusion(s) may not apply to you. This Limited Warranty gives you specific legal
rights. You may have other rights which may vary from state to state or province to
province.
iv
Operating Manual for XDC Series Power Supply
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Information
WITHOUT LIMITING THE GENERALITY OF THE FOREGOING, UNLESS
SPECIFICALLY AGREED TO BY IT IN WRITING, XANTREX
a. MAKES NO WARRANTY AS TO THE ACCURACY, SUFFICIENCY OR SUITABILITY
OF ANY TECHNICAL OR OTHER INFORMATION PROVIDED IN MANUALS OR
OTHER DOCUMENTATION PROVIDED BY IT IN CONNECTION WITH THE
PRODUCT; AND
b. ASSUMES NO RESPONSIBILITY OR LIABILITY FOR LOSSES, DAMAGES,
COSTS OR EXPENSES, WHETHER SPECIAL, DIRECT, INDIRECT,
CONSEQUENTIAL OR INCIDENTAL, WHICH MIGHT ARISE OUT OF THE USE OF
SUCH INFORMATION.
THE USE OF ANY SUCH INFORMATION WILL BE ENTIRELY AT THE USER’S RISK.
WARNING: Please refer to your product user manual for limitations on uses of the product.
Limitations Specifically, please note that this power supply is not intended for use in connection
on Use with life support systems and Xantrex makes no warranty or representation in
connection with any use of the product for such purposes.
Xantrex Technology, Inc.
8999 Nelson Way
Burnaby, British Columbia
Canada V5A 4B5
Information Please record the following information when you first open your Power Supply
About Your package:
Power
Model Number
______________________________________________
Supply
Serial Number
______________________________________________
Purchased From
______________________________________________
Purchase Date
______________________________________________
Release Release 3.0 (2002-06)
Copyright © 2002 Xantrex Technology Inc. All rights reserved.
Printed in Canada
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v
Warnings Warnings and cautions are defined and formatted in this manual as shown below.
and
Cautions
WARNING
Describes a potential hazard which could result in injury or death, or, a procedure
which, if not performed correctly, could result in injury or death.
!
CAUTION
Describes a procedure which, if not performed correctly, could result in damage
to data, equipment, or systems.
Power
Supply
Safety
WARNING—High Energy and High Voltage
Exercise caution when using and calibrating a power supply. High energy levels
can be stored at the output voltage terminals on a power supply in normal
operation. In addition, potentially lethal voltages exist in the power circuit and on
the output and sense connectors of a power supply with a rated output greater
than 40 V. Filter capacitors store potentially dangerous energy for some time after
power is removed.
!
!
vi
CAUTION
Operate the power supply in an environment free of flammable gases or fumes. To
ensure that the power supply’s safety features are not compromised, use the
power supply as specified in this manual and do not substitute parts or make any
unauthorized modifications. Contact the service technician for service and repair
help. Repairs must be made by experienced service technicians only.
CAUTION
For Use as a Battery Charger
When you are using any of these power supplies for battery charging applications,
it is essential to provide an appropriately sized fuse or circuit breaker in series
between the power supply output and the battery.
Installation of a protector (fuse or DC circuit breaker) rated for about 115% of the
maximum current rating of the power supply and designed specifically to interrupt
the DC voltage of the battery, will provide adequate reverse polarity current
protection. Where several power supplies are in parallel, it is best to fuse each one,
rather than one large fuse for all.
Operating Manual for XDC Series Power Supply
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IEC
Symbols
Used in This
Manual
Earth (Ground) Terminal
Protective Conductor Terminal
On (Supply)
Off (Supply)
Warning (Shock Hazard)
Caution (Check manual for specific information.)
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vii
Approvals CE Mark
CE-marked units meet the following standards:
•
•
•
IEC 1010-1-92 including Amendments 1 and 2:
• Overvoltage Category II
• Permanently Connected Equipment
EN50081-2-1996 Electromagnetic Generic Emission - Industrial Equivalent
EN50082-2-1995 Electromagnetic Compatibility Generic Immunity - Industrial
Environment
CSA Certified
CSA C22.2 No. 1010.1-92
UL Listed (pending)
Meets UL3101-1 Electrical Equipment for Laboratory Use; Part 1: General
Requirements
General safety requirements for electrical equipment intended for professional,
industrial process, and educational use, including equipment and computing devices
for: measurement and test; control; laboratory use; and accessories intended for use
with the above.
FCC Compliance
FCC Part 15 - Radio Frequency Devices - Class A Limits
Canadian EMC Requirements
The unit complies with Canadian EMC requirements of ICES-001.
viii
Operating Manual for XDC Series Power Supply
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About This Manual
Who Should Use This Manual
This manual is designed for users who understand basic electrical theory, especially
as applied to the operation of power supplies. This implies a recognition of constant
voltage and constant current operating modes and the control of input and output
power, as well as the observance of safe techniques while making connections to the
supply and any changes in settings.
Navigation
To help you locate information easily, this manual has the following:
•
•
•
•
Sections
A Table of Contents
A List of Figures
A List of Tables
An Index
Section 1: About the XDC Power Supply describes the power supply features,
front panel controls, front panel display, and rear panel connectors. It also gives an
overview of operation.
Section 2: Installation describes how to mount the power supply, how to
connect it, and how to run initial self-tests.
Section 3: Operation describes basic operation and functions carried out from
the front panel using the function keys and menu options.
Section 4: Remote Operation explains how to hook up remote interfaces and
how to send commands to the power supply through the SCPI programming
language.
Section 5: Current Sharing (6000 Watt only) explains how to configure the
power supply for current sharing among units connected in parallel.
Appendix A: Calibration
describes calibration parameters and procedures.
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About This Manual
Appendix B: SCPI Command Reference describes the Standard Commands
for Programmable Instruments (SCPI) commands supported by this model.
Appendix C: Error Messages
during operation.
describes the error messages that could appear
Appendix D: GPIB describes the General Purpose Interface Bus (GPIB)
commands and lines supported by this model.
Appendix E: Specifications and Characteristics
mechanical specifications.
provides electrical and
Revisions
The current release of this manual is listed below. Updates may be issued as an
addendum.
Release 3.0 (2002-06)
x
Operating Manual for XDC Series Power Supply
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Contents
About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix
List of Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
List of Figures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix
Section 1. About The XDC Power Supply
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Front Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Status Annunciators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Overview of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Power ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Control Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Section 2. Installation
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Basic Setup Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Inspection, Cleaning, and Packaging. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Initial Inspection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Returning Power Supplies to the Manufacturer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Return Material Authorization Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Packaging for Shipping or Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Location, Mounting, and Ventilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Rack Mounting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Ventilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
AC Input Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AC Input Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AC Input Wire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AC Wire Input Connection for 6000 W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AC Wire Input Connection for 12000 W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
40
40
41
41
43
Basic Checks or Self-Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Equipment Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Display Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Power ON Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Voltage Mode Operation Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Current Mode Operation Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Load Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Current Carrying Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Load Wiring Length for Operation with Sense Lines . . . . . . . . . . . . . . . . . . . . . 49
Noise and Impedance Effects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
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Contents
Load Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wire Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Single Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Multiple Loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Strain Relief/Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
50
50
50
51
52
53
Remote Sensing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Section 3. Operation
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Powering ON the Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Powering OFF the Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Power Supply Operating States. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power-On . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Shutdown. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Soft Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Normal Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
58
58
58
58
58
58
Power Supply Regulation Modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Constant Voltage (CV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Constant Current (CC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Constant Power (CP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Automatic Mode Crossover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
59
59
59
59
59
Remote Control Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
xii
Front Panel Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Function Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Menu Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Top Level Menu Items. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Knobs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
61
61
62
62
63
Power Supply Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Set Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Set Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Set Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turn Output On or Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Set Output Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Set Shutdown Recovery for AC Off and OTP . . . . . . . . . . . . . . . . . . . . . . . . . .
Respond to Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Set Up Remote Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Toggle Local/Remote . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Select Remote Control Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configure Remote Control Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Store User Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Change Stored Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recall Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Read Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configure User Lines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configure Power ON Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Program Auto Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Programming a Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Deleting a Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Editing a Sequence Step . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Inserting a Sequence Step. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Deleting a Sequence Step . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Editing Repeat Times of a Sequence. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Editing Trigger Source of a Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Using Auto Sequencing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Configure Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Lock Out Control Knobs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Set V, I, and P Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Slew Rate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
View Model Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Default Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
View Power Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Monitor Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Section 4. Remote Operation
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Making Connections for Remote Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Remote Analog Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Analog Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Configure Analog Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Using Remote Analog Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Multichannel Operation (6000 Watt only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Multichannel Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Using Multichannel Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Multichannel Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Multichannel Broadcast Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
RS-232 Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
RS-232 Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Using RS-232. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
GPIB Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
GPIB Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Using GPIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
SCPI Commands for Digital Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Set Up Power ON Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Power On Output State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Store User Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Change Remote/Local Control of Power Supply . . . . . . . . . . . . . . . . . . . . . . . 128
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Enable Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Program V,I,P . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configure V, I, P Protection Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configure Other Protection Mechanisms . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clear Protection Event . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
View Power Supply Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configure Auxiliary Status Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Read Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Triggering Commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Auto Sequencing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Programming Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Auto Sequence Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Slew Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Identification Query . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Option Identification Query . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SCPI Version Query . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Status Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Status Register Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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128
130
132
134
134
134
135
136
136
138
140
141
142
142
142
142
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Section 5. Current Sharing (6000 Watt only)
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configure Current Share . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setup Current Sharing Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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173
174
175
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
Errors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Appendix A. Calibration
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Entering Calibration Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SCPI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Security code. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
179
180
181
181
Setup and Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
Front Panel Calibration Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Analog Programming Interface 0-5V Range . . . . . . . . . . . . . . . . . . . . . . . . . .
Analog Programming Interface 0-10V Range . . . . . . . . . . . . . . . . . . . . . . . . .
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183
183
184
187
Remote Interface Calibration Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Analog Programming Interface 0-5V Range . . . . . . . . . . . . . . . . . . . . . . . . . .
Analog Programming Interface 0-10V Range . . . . . . . . . . . . . . . . . . . . . . . . .
187
187
187
188
191
Exit calibration mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Restore Factory Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
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Appendix B. SCPI Command Reference
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Codes and Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
IEEE 488.2 Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
SCPI Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
IEEE-488.2/SCPI Syntax and Style . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
SCPI Command Hierarchy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
Using SCPI Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Using Minimum and Maximum. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Using Queries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Terminating Characters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Common Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Parameter Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Boolean Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Discrete Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Numeric Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
String Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
SCPI Command Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Notations Used in the Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Expressions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Appendix C. Error Messages
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Command Error List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Execution Error List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Device-Specific Error List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
Query Error List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
User Request Event . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
Operation Complete Event . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
Front Pane0l Error Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
CPU Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
Analog Programming Interface Error codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
Auto Sequencing Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
CANbus Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Multichannel Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Current Share Error Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222
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Appendix D. GPIB
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Codes and Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Message Terminators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Address Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Primary Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Secondary Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Service Request and Polling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Protocol Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Multiline Control Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Interface Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Driver Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Mechanical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Performance Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Appendix E. Specifications and Characteristics
Electrical Specifications—Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
AC Line Input Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
AC Line Input Voltage Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
Output Performance Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Environmental Specification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Thermal Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Humidity Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
International Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Mechanical Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243
Index
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
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List of Tables
Table 1.1
Front Panel Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Table 2.1
Basic Setup Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Table 2.2
AC Wire Specification for 6000 Watt units. . . . . . . . . . . . . . . . . . . . . . 41
Table 2.3
AC Wire Specification for 12000 Watt units. . . . . . . . . . . . . . . . . . . . . 41
Table 2.4
Current Carrying Capacity for Load Wiring . . . . . . . . . . . . . . . . . . . . . 48
Table 3.1
Settings Affected by Recall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Table 4.1
User Line Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Table 4.2
Analog Programming Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Table 4.3
Analog Pin Connections for Power Loop Back . . . . . . . . . . . . . . . . . 110
Table 4.4
Analog Pin Connections with a Contact Closure . . . . . . . . . . . . . . . . 110
Table 4.5
CANbus Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Table 4.6
RS-232 Pins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Table 4.7
GPIB Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Table 4.8
Features Affected by Reset (*RST) Command . . . . . . . . . . . . . . . . . 126
Table 4.9
OPERation Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Table 4.10
REGulating Sub-Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Table 4.11
SHUTdown Sub-Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Table 4.12
Protection SHUTdown Sub-Register . . . . . . . . . . . . . . . . . . . . . . . . . 147
Table 4.13
Remote CONtrol Sub-Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Table 4.14
Current SHare Sub-Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Table 4.15
QUEStionable Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Table 4.16
VOLTage Sub-Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Table 4.17
CURRent Sub-Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Table 4.18
POWer Sub-Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Table 4.19
TEMPerature Sub-Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Table 4.20
Standard Event Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Table 4.21
Status Byte Summary Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Table 4.22
Preset Values of User Configurable Registers . . . . . . . . . . . . . . . . . 157
Table B.1
IEEE 488.2 Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Table B.2
Readback Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Table B.3
Commands for Output Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Table B.4
Commands for Current Share (6000 W only) . . . . . . . . . . . . . . . . . . 202
Table B.5
Commands for Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Table B.6
Command to Clear all Protection Mechanisms . . . . . . . . . . . . . . . . . 203
Table B.7
Commands for Fold Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Table B.8
Commands for Triggering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Table B.9
System Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
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xviii
Table B.10
Status Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Table B.11
Protection Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Table B.12
User Lines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Table B.13
Output State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Table B.14
Auto Sequence Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
Table B.15
Legacy Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
Table B.16
Expressions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Table C.1
Command Error List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Table C.2
Execution Error List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Table C.3
Device-Specific Error List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
Table C.4
Query Error List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
Table C.5
User Request Event . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
Table C.6
Operation Complete Event . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
Table C.7
Front Panel Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
Table C.8
CPU Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
Table C.9
Analog Programming Interface Error code . . . . . . . . . . . . . . . . . . . . 220
Table C.10
Auto Sequencing Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
Table C.11
CANbus Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Table C.12
Multichannel Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Table C.13
Current Share Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222
Table D.1
Multiline Control Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Table D.2
Interface Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Table D.3
Driver Types for Interface Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Table E.1
Specifications for 6000 Watt units (10V to 60V Models). . . . . . . . . . 228
Table E.2
Drift Specifications for 6000 Watt units (10V to 60V Models) . . . . . . 229
Table E.3
Specifications for 6000 Watt units (80V to 600V Models). . . . . . . . . 230
Table E.4
Drift Specifications for 6000 Watt units (80V to 600V Models) . . . . . 231
Table E.5
Specifications for 12000 Watt units (10V to 60V Models). . . . . . . . . 232
Table E.6
Drift Specifications for 12000 Watt units (10V to 60V Models) . . . . . 233
Table E.7
Specifications for 12000 Watt units (80V to 600V Models). . . . . . . . 234
Table E.8
Drift Specifications for 12000 Watt units (80V to 600V Models) . . . . 235
Table E.9
AC Line Input Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
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List of Figures
Figure 1.1
Front Panel (6000 Watt) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 1.2
Front Panel (12000 Watt) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 1.3
Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 1.4
Front Panel Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 1.5
Front Panel Display, Status Annunciators . . . . . . . . . . . . . . . . . . . . . . 28
Figure 1.6
Rear Panel (6000 Watt low and medium output shown) . . . . . . . . . . . 30
Figure 2.1
Typical Box Label for Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 2.2
Unpacking the Power Supply (6000 Watt shown) . . . . . . . . . . . . . . . . 38
Figure 2.3
Mounting the Power Supply in the Rack With Support Rails . . . . . . . . 39
Figure 2.4
AC Input Connector for 6000 Watt units . . . . . . . . . . . . . . . . . . . . . . . 40
Figure 2.5
Attaching the AC Input Wires for 6000 Watt units . . . . . . . . . . . . . . . . 42
Figure 2.6
Attaching the AC Input Wires for 12000 Watt units . . . . . . . . . . . . . . . 44
Figure 2.7
Fastening the Output Wires (6000 Watt) . . . . . . . . . . . . . . . . . . . . . . . 52
Figure 2.8
Output Bus Bar Cover for 6000 Watt units . . . . . . . . . . . . . . . . . . . . . 53
Figure 2.9
Output for 12000 Watt units (Low and Medium Voltage). . . . . . . . . . . 53
Figure 2.10
Output Cover with Strain Relief for 6000 Watt units . . . . . . . . . . . . . . 54
Figure 2.11
Output for 12000 Watt units (High Voltage 300–600V) . . . . . . . . . . . . 55
Figure 4.1
View of Remote Interface Connections . . . . . . . . . . . . . . . . . . . . . . . 107
Figure 4.2
Schematic For User Line Interface . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Figure 4.3
Connections for Multichannel Operation . . . . . . . . . . . . . . . . . . . . . . 115
Figure 4.4
Operation Status Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Figure 4.5
Questionable Status Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Figure 4.6
IEEE 488.2 Status Register and Status Byte. . . . . . . . . . . . . . . . . . . 153
Figure 5.1
Connections for Current Share Operation . . . . . . . . . . . . . . . . . . . . . 173
Figure E.1
Power Supply Dimensions (6000 Watt unit) . . . . . . . . . . . . . . . . . . . 243
Figure E.2
Power Supply Dimensions (12000 Watt unit) . . . . . . . . . . . . . . . . . . 244
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Section 1. About The XDC Power Supply
Overview
The XDC Series of digital, programmable DC power supplies is designed for use in
OEM, ATE, burn-in, magnet charging, and other high power systems for a broad
range of applications. The XDC uses our newly developed digital technology which,
combined with “Soft Switching,” provides superior performance and a high level of
user control through both front panel and remote interfaces.
Features •
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Digital processing for highly accurate control
Ten, 99-step auto sequences for easy bench-top programming of complex test
routines
Ten stored settings
Zero voltage (soft) switching for low noise output, improved efficiency and
higher reliability
Active Power Factor Correction (PFC) for lower input current draw and lower
current harmonic generation
Remote voltage sense with 5V line drop compensation
Automatic Voltage/Current mode crossover
Constant power mode
Seven load protection mechanisms
Alarms and messages for over- and under-programmed trip points
Auxiliary status lines for monitoring power supply conditions
Remote interlock and trigger ports
Selectable standby, last setting, programmed sequence and other power-on
defaults
Active current sharing with parallel connected units for higher power
requirements*
Standard RS-232 remote control interface and optional GPIB (IEEE 488.2) port
CANbus communications link for multichannel addressing, and master/slave
current sharing*
Extensive SCPI command set
Keypad, knobs, and arrow keys for fast and tactile front panel operation
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About The XDC Power Supply
Front Panel
•
•
•
•
Bright vacuum fluorescent display with annunciators to indicate complete
supply status at a glance
Front panel, software-based calibration
Fully isolated analog programming and readback capabilities
CE Mark, CSA Certified, FCC Compliance, UL (pending)
*These features are available on 6000 Watt units when the power supply is equipped
with the optional GPIB/CANbus interface card.
Front Panel
1
3
4
5
6
7
8
1
2
2
Figure 1.1 Front Panel (6000 Watt)
22
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About The XDC Power Supply
Front Panel
1
3
4
5
2
6
7
8
1
2
Figure 1.2 Front Panel (12000 Watt)
1. Rack mount brackets
2. Handles
3. On/Off switch
4. Air intake vents
5. Front panel display (vacuum fluorescent display). See Figure 1.4 for details.
6. Voltage knob
7. Current knob
8. Keypad. (See Figure 1.3 for details.)
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About The XDC Power Supply
Front Panel
3
7
4
1
2
5
14
9
6
15
8
11
10
12
13
17
16
Figure 1.3 Keypad
1. Voltage knob: Turn knob to increase or decrease output voltage. (This is a
velocity- sensitive rotary encoder.)
2. Current knob: Turn knob to increase or decrease output current limit. (This is
a velocity-sensitive rotary encoder.)
Note The secondary functions for keys 3 to 5 listed below operate when the power supply
is in Auto Sequence mode.
3. VOLTAGE set key: View and set voltage output setpoint.
RUN/PAUSE Auto Sequence Program: Start a selected program or pause the
program.
4. CURRENT set key: View and set current output setpoint.
TRIGGER for Auto Sequence Program: Apply a trigger when requested.
This key may also be used to advance to the next step in the program by pressing
and holding.
5. STORE settings key: Save power supply output settings to one of ten locations.
END Auto Sequence Programming: Stop the program. The program will start
from the beginning when RUN is pressed.
6. OUT ON/OFF key: Toggle between Output ON and Output OFF.
7. LCL/RMT key: Toggle between local mode and remote mode (or Go to Local
for GPIB operation) except during calibration.
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About The XDC Power Supply
Front Panel
8. PROTECTION SET key: View and set protection setpoints.
ALARM response: Read and clear alarm messages. ALARM annunciator
indicates if there are any alarm messages.
9. RECALL settings key: Apply stored power supply settings.
10. EXIT key: Cancel operation, exit menu or get out of Calibration mode or Auto
Sequence mode. Automatic timeout will also cancel operation except calibration
and auto sequence operation.
11. Numeric keypad: Numbers 0 to 9, used for data entry.
12. Decimal key: Enter a decimal. Used for data entry.
13. CE key: Clear the entire data field. Used for data entry. In Store User Setting
mode, used to delete selected setting or program.
14. Up arrow key: Scroll through menus and lists, or, in data entry mode, increase
the displayed value. In default operating mode, use this key to view the output
power. In Auto Sequence Operating mode, use this key to view present sequence
number, step numbers, and sequence loop count.
15. Down arrow key: Scroll through menus and lists, or, in data entry mode,
decrease the displayed value.
16. ENTER key: Select a menu item or accept data.
17. MENU key: Access all menu functions.
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About The XDC Power Supply
Front Panel
Table 1.1 Front Panel Functions
Key Functions
Voltage Setpoint
Enter voltage
Current Setpoint
Enter current
Output ON/OFF Toggle
Local/Remote Mode Toggle
Protection Set
OVP level
Enter OV level
UVP level
Enter UV level
S/D if tripped?
Select Y or N
OCP level
Enter OC level
S/D if tripped?
Select Y or N
UCP level
Enter UC level
S/D if tripped?
Select Y or N
OPP level
Enter OP level
S/D if tripped?
Select Y or N
UPP level
Enter UP level
S/D if tripped?
Select Y or N
Fold Mode
Select fold mode
Select fold delay
Read Alarms
Read alarm msgs
Store User Setting Select 1 to 10
Recall
Factory default
Last setting
User setting
Select 1 to 10
Auto sequence Select 1 to 10
Auto Sequence Operation (Run/Pause, Trigger, Stop)
MENU
Access menu functions
ENTER
Make a selection
UP/DOWN
Scroll to view selections, increment numerical entries
CE
Clear entry
Numeric keypad
Enter data
EXIT
Cancel operation
Special Key Functions
UP
View power readback (from default window)
CE
Deletes a selected user setting from memory (Hold for 2 seconds)
EXIT
Exit auto sequence
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About The XDC Power Supply
Front Panel
Menu Function
ERROR MSGS
USER LINES
PON CONFIG
S/D RECOVERY
REMOTE
SELECT
REMOTE
CONFIG
AUTO SEQ PGM
Read error msgs
Aux line A
Configure aux line A Set aux line A polarity
Aux line B
Configure aux line A Set aux line B polarity
Factory default Set output on/off
Last setting
Set output on/off
User setting
Select 1 to 10
Set output on/off
Auto sequence Select 1 to 10
Set output on/off
Select OTP
Select AC Off recovery
recovery
Select remote interface
RS-232
GPIB
Analog
Multichannel
Select
Sequence
Select flow control
Select baud rate
Select PON SRQ
Select address
Select input voltage range
Select address
Edit Sequence
Set Repeat
Trig Source
Delete Sequence
CURRENT
SHARE
POWER
SETPOINT
DISPLAY
CONFIG
KNOB LOCKOUT
SETPOINT LIMIT
SLEW RATE
CALIBRATION
No sharing
Master
Slave
Set power
Display summed
current?
Select Step
Edit Step
Enter Value/Duration To Next Step
Insert Step
or EXIT to finish
Delete Step
#Select repetitions for sequence
Select trigger source
Confirm delete
Select Y or N
Set display config
Lock voltage knob? Lock current knob?
Voltage limit
Enter max limit
Enter min limit
Current limit
Enter max limit
Enter min limit
Power limit
Enter max limit
Enter min limit
Voltage slew
Enter voltage step
Enter time interval
Voltage slew default
Calibrate voltage
Calibrate current
Calibrate analog 5V voltage programming
Calibrate analog 5V voltage readback
Calibrate analog 5V current programming
Calibrate analog 5V current readback
Calibrate analog 10V voltage programming
Calibrate analog 10V voltage readback
Calibrate analog 10V current programming
Calibrate analog 10V current readback
Restore factory calibration
Change calibration security code
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About The XDC Power Supply
Display
MODEL INFO
View info
Display
3
2
1
Figure 1.4 Front Panel Display
1. Main Display: Shows setpoints, readback, and menus. There are 14 characters.
Each character is 5 pixels wide by 7 pixels high.
2. Status Annunciators: See “Status Annunciators” on page 28 and Figure 1.5 for
detailed information.
3. Voltage, Current, and Power Bar Graphs: Show present voltage, current
limit, and power output in graphical format. Also indicates regulation mode.
Status Annunciators
1
3
2
5
4
7
6
11
9
8
10
12
13
15
14
19
17
16
18
21
20
22
Figure 1.5 Front Panel Display, Status Annunciators
28
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About The XDC Power Supply
Status Annunciators
1. AUX A: Condition selected for auxiliary line A is TRUE.
2. Master: Power supply is selected to be the master in current share
configurations.
3. AUX B: Condition selected for auxiliary line B is TRUE.
4. Slave: Power supply is selected to act as a slave in current share configurations.
5. AUTO: Power supply is in auto sequence operation.
6. Pause: Auto sequence program is paused. (Output is still on.) Press
RUN/PAUSE key to continue.
7. SEQ: Power supply is in auto sequence setup mode (if Set is also turned on) or
in auto sequence operation.
8. Trigger?: Auto sequence program is waiting for a trigger signal to continue
execution.
9. ERR: An error has occurred.
10. Set: Setting or setpoint is to be entered.
11. ADR: Power supply is being addressed (receiving data). (All remote digital
interfaces.)
12. LCL: Power supply is under local (front panel) control.
13. SRQ: Service request. GPIB only.
14. RMT: Power supply is under remote control.
15. ALARM: Power supply is operating outside the parameters the user set by using
PROT SET, or the power supply’s internal temperature has exceeded an
internally set trip point (OTP).
16. OUT OFF: Power supply output is disabled; all other circuits are active; unit is
in standby mode.
17. OVP: Power supply has exceeded an over-voltage trip point.
18. Interlock: Signals that the external shutdown line (the safety interlock line) has
been activated, disabling the supply output.
19. OTP: Power supply has exceeded an over-temperature trip point, disabling the
supply output.
20. OUT ON: Output is on.
21. Bar graphs: Graphical representation of output voltage, current, and power.
22. CV, CC, CP: Power supply is in constant voltage mode, constant current mode,
or constant power mode.
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About The XDC Power Supply
Rear Panel
Rear Panel
2
1
4
3
1
5
6
1
6
11
7
9
8
10
Figure 1.6 Rear Panel (6000 Watt low and medium output shown)
1. Fan Exhaust Vents: Do not obstruct.
2. Remote Sensing Ports: From the rear point of view, left is negative; right is
positive.
3. DC Output: Bus bars are shown. Terminal blocks are used for higher voltages
(300 and 600 Vdc only).
4. Auxiliary Status Lines, External Interlock, and Trigger Input
5. Analog Program and Readback
6. CANbus Port: For current sharing or multichannel operation (optional for
6000 Watt units)
7. RS-232 Connector
8. GPIB (optional)
9. Protective Conductor Ground Screw
10. AC Input
11. Chassis ground stud
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About The XDC Power Supply
Overview of Operation
Overview of Operation
Power ON Power ON describes the period between the time the AC power is turned ON and the
time the power supply is ready for normal operation. Each supply comes with a
series of factory default settings that may be in effect at the conclusion of the Power
ON period. These include:
•
•
•
•
Output OFF: No current is sent to the DC output connections. You must press
Out ON/OFF to activate the supply output.
Voltage 0V: The Voltage setpoint is zero.
Current 0A: The Current setpoint is zero.
Local mode operation
The output state depends on the Power ON output setting. You can customize the
Power ON settings to suit your needs. See “Configure Power ON Settings” on page
84 for more information.
Control One local method and 4 remote methods are available for controlling the power
Modes supply:
•
•
•
•
•
•
•
•
Local Mode: Where the user operates the menu keypad and knobs
RS-232: Where the user operates the supply remotely through a serial port
connection (standard feature).
GPIB: Where the user operates the supply remotely through the faster General
Purpose Interface Bus. The GPIB bus follows the IEEE 488.2 standard and is an
optional feature of this power supply.
Multichannel: Where the user operates the supply remotely through the
optional multichannel link between 2 or more (up to 50) power supplies
(optional feature).
Analog: Where the user operates the supply remotely through the isolated
analog programming and readback port (standard feature). Three options are
available:
Analog V and I
Analog V
Analog I
Each of these methods is referred to as a control mode.
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About The XDC Power Supply
Overview of Operation
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Section 2. Installation
Overview
Section 2 provides recommendations and procedures for inspecting, installing, and
testing the power supply. For more information about controls and connectors, refer
to the front panel diagrams (Figure 1.1 to Figure 1.5) as well as the rear panel
diagram (Figure 1.6) in Section 1.
Basic Setup Procedure
Table 2.1 provides a summary of the setup procedure and an overview of the
subsections in this chapter. Use this table as a quick reference if you are familiar with
the installation requirements for the power supply. If you require more information,
each step in the table refers to a subsequent section which contains more details.
Complete each step in the sequence given.
Table 2.1 Basic Setup Procedure
Step # Description
Action
Reference
“Inspection, Cleaning, and
Packaging” on page 34
“Location, Mounting, and
Ventilation” on page 37
“AC Input Power” on page 40
“Basic Checks or Self-Tests”
on page 45
1
Inspection
Visually inspect the power supply.
2
Installation
Install the power supply, ensuring
adequate ventilation.
3
Input Power
Connect AC input power.
4
Test
Perform functional tests for voltage
mode operation, current mode
operation, and front panel controls.
5
Select Wires
Select wires that can tolerate the DC
current output.
6
Connect Load
Connect the load wires to the DC output. “Load Connections” on page 50
7
Connect Remote
Connect remote sensing connectors on
Sensing (if required) power supply to load.
“Load Wiring” on page 48
“Remote Sensing” on page 56
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Installation
Inspection, Cleaning, and Packaging
Inspection, Cleaning, and Packaging
Initial When you receive your power supply, do a quick visual check.
Inspection
1. Ensure that the box contains the power supply, the operating manual, the AC
input cover and strain relief, and the output cover.
2. Inspect the unit for scratches and cracks as well as broken switches, connectors,
or displays.
If the unit is damaged, save all packaging materials and notify the carrier
immediately.
Maintenance Routine servicing of the power supply is not required except for periodic cleaning.
Whenever a unit is removed from operation, clean the metal surfaces with naphtha
or an equivalent mild solvent, and clean the front panel with a damp cloth using a
weak solution of soap and water. Use low-pressure compressed air to blow dust from
in and around vent openings and components on the printed circuit boards.
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Installation
Returning Power Supplies to the Manufacturer
Returning Power Supplies to the Manufacturer
Return
Material
Authorization
Policy
Before returning a product directly to Xantrex you must obtain a Return Material
Authorization (RMA) number and the correct factory “Ship To” address. Products
must also be shipped prepaid. Product shipments will be refused and returned at your
expense if they are unauthorized, returned without an RMA number clearly marked
on the outside of the shipping box, if they are shipped collect, or if they are shipped
to the wrong location.
When you contact Xantrex to obtain service, please have your operating manual
ready for reference and be prepared to supply:
•
•
•
•
The serial number of your product
Information about the installation and use of the unit
Information about the failure and/or reason for the return
A copy of your dated proof of purchase
When you ship:
1. Package the unit safely following the procedures on page 36, preferably using
the original box and packing materials. Please ensure that your product is
shipped fully insured in the original packaging or equivalent. This warranty will
not apply where the product is damaged due to improper packaging.
2. Include the following:
• The RMA number supplied by Xantrex Technology Inc clearly marked on
the outside of the box.
• A return address where the unit can be shipped. Post office boxes are not
acceptable.
• A contact telephone number where you can be reached during work hours
• A brief description of the problem
Ship the unit prepaid to the address provided by your Xantrex customer service
representative.
If you are returning a product from outside of the USA or Canada:
In addition to the above, you MUST include return freight funds and are fully
responsible for all documents, duties, tariffs, and deposits.
If you are returning a product to a Xantrex Authorized Service Center (ASC):
A Xantrex return material authorization (RMA) number is not required. However,
you must contact the ASC prior to returning the product or presenting the unit to
verify any return procedures that may apply to that particular facility.
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Installation
Returning Power Supplies to the Manufacturer
Packaging for Follow these instructions to prepare the power supply for shipping or storage.
Shipping or 1. When returning the unit or sending it to the service center, attach a tag to the unit
Storage
stating its model number (located on the front panel label) and serial number
(located on the rear panel label). Give the date of purchase and an invoice
number, if you have it, as well as a brief description of the problem.
2. For storage and shipping, repack the power supply in its original container. If the
original container is not available, seal the unit in a plastic bag and then pack it
into a wooden or sturdy cardboard box large enough to allow 2 in. (5cm) of
cushioning material to surround the unit. For cushioning, use material such as
foam slabs that are capable of supporting the unit.
3. Label the box as shown below in Figure 2.1.
4. If shipping, mark the service center address and your return address on the
carton.
5. If storing, stack no more than 5 boxes high. Check the storage temperature range
specification in Appendix E.
POWER SUPPLY
Model Number: ___________________________
Serial Number: ___________________________
FRAGILE – ELECTRONIC EQUIPMENT
Figure 2.1 Typical Box Label for Storage
36
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Installation
Location, Mounting, and Ventilation
Location, Mounting, and Ventilation
Use the power supply in rack-mounted applications only. The power supply is
designed to fit in a standard 19 in. (483mm) equipment rack.
Rack
Mounting
WARNING- High Energy and High Voltage
Ensure that the 8-32 rack mounting screws do not extend more than 1/8 in. (3.0mm)
into the sides of the power supply.
To install the power supply in an equipment rack:
1. Open the box containing the unit. See Figure 2.2.
2. With the help of at least one other person, lift the unit out of its package and slide
it into an empty space in a mounting rack equipped with rails that are rated to
support the unit’s weight. See Figure 2.3.
On 12000 Watt units, remove the temporary lifting handles before installing the
unit in a rack.
!
CAUTION
The power supply is too heavy for one person to safely lift and mount. To avoid injury,
ask a co-worker for assistance.
3. While your assistant(s) holds the unit steady, fasten it to the rack by inserting
bolts through the mounting brackets on either side of the front panel and securing
them with a washer and nut.
4. The front panel mounting brackets are designed to prevent the unit from sliding
out of the rack, not to support its full weight. Provide adequate support for the
rear of the unit without obstructing the ventilation inlets. Use slide rails as
illustrated in Figure 2.3 or slide brackets attached to the 8-32 mounting holes on
each side of the unit. Follow the manufacturer’s instructions to install rails or
slides.
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Installation
Location, Mounting, and Ventilation
Figure 2.2 Unpacking the Power Supply (6000 Watt shown)
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Installation
Location, Mounting, and Ventilation
Figure 2.3 Mounting the Power Supply in the Rack With Support Rails1
(6000 W shown)
Ventilation Allow cooling air to reach the ventilation inlets on the front of the unit and allow 4 in.
(10 cm) of unrestricted air space at the rear of the unit for the fan exhaust. Ventilation
inlets are located on the top and sides; they are not required, however, and may be
blocked, if required.
See “Specifications and Characteristics” on page 227 for the operating ambient
temperature range.
1.
Available from rack or cabinet vendors (e.g. Schroff, part number 30150-094).
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Installation
AC Input Power
AC Input Power
WARNING
Disconnect AC power from the unit before removing the connector cover. Live line
voltages may be exposed when the cover is removed.
WARNING
A safety ground wire must be connected to the unit as shown in Figure 2.4 and
Figure 2.6 to ensure operator safety.
!
CAUTION
When the power switch is turned on, output voltage or current previously set may be
applied to loads, depending on the supply configuration.
AC Input The AC input connector is a standard wire clamp terminal block with 3-phase
Connector connectors and a chassis ground connector. The safety ground wire, alternatively,
may be connected to the chassis using a ring tongue on the ground stud as shown in
Figure 2.4 and Figure 2.6.
Ground Connection
3-Phase Terminal Block Connectors
Figure 2.4 AC Input Connector for 6000 Watt units
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Installation
AC Input Power
AC Input Wire The manufacturer recommends the AC input wire specified in Table 2.2 and
Table 2.3. This must be permanently connected to an approved AC distribution box
with suitably rated over-current protection. If you require a special cord, contact the
manufacturer.
Table 2.2 AC Wire Specification for 6000 Watt units
AC Input Voltage Range
Wire
190–242Vac, 47–63Hz,
3-phase, 4 wire (standard)
4 x 10 AWG (3 wire plus safety ground), stranded
copper, 60°C minimum, 300V, 0.800 in. maximum
cable diameter, rated for 25A.
342–500Vac, 47–63Hz,
3-phase, 4 wire (HV-Input)
4 x 14 AWG (3 wire plus safety ground), stranded
copper, 60°C minimum, 600V, 0.800 in. maximum
cable diameter, rated for 13A.
Table 2.3 AC Wire Specification for 12000 Watt units
AC Input Voltage Range
Wire
190–242Vac, 47–63Hz,
3-phase, 4 wire (standard)
4 x 6 AWG (3 wire plus safety ground), stranded
copper, 60°C minimum, 300V, outside diameter
(OD) of cable is ≤ 1 in., rated for 50 A.
342–500Vac, 47–63Hz,
3-phase, 4 wire (HV-Input)
4 x 10 AWG (3 wire plus safety ground), stranded
copper, 60°C minimum, 600V, outside diameter
(OD) of cable is ≤ 1 in., rated for 25 A.
AC Wire Input See Figure 2.5, on page 42.
Connection
for 6000 W To connect the 6000 W AC input wires:
1. Ensure that the AC input cord is de-energized, and that the power switch on the
front of the power supply is OFF.
2. Strip approximately 4 in. (10 cm) from the jacket of the AC wire. Strip 0.55 in.
(14 mm) at the end of each wire.
3. Undo the 2 screws for the AC wiring strain relief/cover on the rear panel.
Remove the cover.
4. Undo the strain relief screws. Insert the AC input cable through the strain relief
until the outer cable jacket is flush with the inside of the strain relief. Tighten the
strain relief cable clamp screws.
5. Insert the ground wire (green) 0.55 in. (14 mm) into the left-most terminal
location, and tighten securely. (The safety ground wire may alternatively be
connected to the chassis ground stud next to the terminal block, using a suitably
sized ring terminal).
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Installation
AC Input Power
6. Route the AC wires to the input terminal block by connecting the red, black, and
white wires to the remaining 3 cable clamp connectors. There is no set order for
connecting the wires. Any of the 3-phase wires can be connected to any of the 3
line input connectors. To connect each wire, loosen the terminal screw, insert the
stripped wire 0.55 in. (14mm) into the terminal, and tighten the screw securely.
7. Reinstall the AC input strain relief/cover, routing wires inside the cover to
prevent pinching.
8. Connect the free end of the cable to the AC source, checking that the voltage is
within the approved input range for the supply.
9. Energize the AC input.
It is now safe to turn the power supply on.
Figure 2.5 Attaching the AC Input Wires for 6000 Watt units
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Installation
AC Input Power
AC Wire Input See Figure 2.6, on page 44.
Connection
for 12000 W To connect the 12000 W AC input wires:
1. Ensure that the AC input cord is de-energized, and that the power switch on the
front of the power supply is OFF.
2. Strip approximately 2.75 in. (70 mm) from the jacket of the AC wire. Strip
0.55 in. (14 mm) at the end of each wire.
3. Remove the square AC input cover plate from the AC input bracket on the rear
panel, and a round knock-out from either the rear or right side of the bracket.
4. Insert the AC input cable through the knock-out and through the removable nut
from the strain relief until there is enough cord to attach the AC wires to the
terminal block (the nut must be inside the AC input bracket). Tighten the cable
clamp screws and the strain relief nut inside the AC input bracket until the AC
input wire is firmly held between the nut and the cable clamp screws.
5. Insert the ground wire (green) 0.55 in. (14 mm) into the left-most terminal
location, and tighten securely.
6. Route the AC wires to the input terminal block by connecting the red, black, and
white wires to the remaining 3 cable clamp connectors. There is no set order for
connecting the wires. Any of the 3-phase wires can be connected to any of the 3
line input connectors. To connect each wire, loosen the terminal screw, insert the
stripped wire 0.55 in. (14mm) into the terminal, and tighten the screw securely.
7. Reinstall the AC input cover plate.
8. Connect the free end of the cable to the AC source, checking that the voltage is
within the approved input range for the supply.
9. Energize the AC input.
It is now safe to turn the power supply on.
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Installation
AC Input Power
left terminal:
Ground Connection
3 right terminals:
3-Phase Terminal Block Connectors
AC input cover plate
Figure 2.6 Attaching the AC Input Wires for 12000 Watt units
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Installation
Basic Checks or Self-Tests
Basic Checks or Self-Tests
WARNING
The factory setting for Power ON is 0V and 0A with the output OFF. These settings
can be customized by end users. If you suspect that the power supply has been used
by someone else since it was received from the factory, be prepared for the unit to
power ON with a live DC output.
The functional test procedures described in this section include power-on and front
panel function checks as well as voltage and current mode operation checks.
Equipment •
Required •
Digital Voltmeter (DVM) rated better than 0.05% accuracy.
DC shunt 1mV/A (±0.25%) with connecting wire. The recommended current
ratings for the DC shunt and the wire must be at least 10% more than the output
current of the power supply.
Display Test To ensure that the display is working properly:
1. Turn the power switch ON.
2. Observe the display panel.
Every pixel should illuminate for 2 seconds as part of the power-on self-test.
If you need to rerun the test:
1. Turn the power switch OFF.
2. Wait until the pixels fade to black.
Some residual charge may remain in the capacitors after the power is OFF.
Waiting for the display to fade ensures that the capacitors have sufficiently
discharged their power to reset the power supply.
3. Turn the power switch ON.
4. Observe the display panel.
If you observe or suspect that one or more of the display pixels is malfunctioning,
contact the manufacturer.
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Installation
Basic Checks or Self-Tests
Power ON To complete the power on check:
Check 1. Ensure that the AC power switch is OFF.
2. Connect the unit to an AC outlet.
3. Turn the front panel AC power switch to ON.
After a short power-on delay, the front panel digital meters and the CV annunciator
illuminate. Both voltmeter and ammeter displays should read zero.
Check the front panel annunciators. If OUT ON is illuminated, press OUT ON/OFF
to disable the output. The OUT OFF annunciator should now be illuminated. For an
illustration of the annunciators and their locations, see “Status Annunciators” on
page 28.
If the ERR indicator is lit, see “Read Error Messages” on page 82 or page 135 on
how to read an error message, and consult Appendix C to determine the meaning of
the error. If an unexpected error persists after the power has been cycled, contact the
manufacturer for assistance.
Voltage Mode Operation Check
WARNING
On units rated higher than 40V, ensure that the electrical connections are protected
to prevent accidental contact.
!
CAUTION
When making connections to the bus bars, ensure that each terminal’s mounting
hardware and wiring assembly are placed so they don’t touch the other terminal and
short the power supply outlet. Heavy connecting cables must have some form of
strain relief so the connections aren’t loosened and the bus bars aren’t bent.
To complete the voltage mode operation check:
1. Ensure that the OUT OFF annunciator is illuminated. If OUT ON is illuminated,
press OUT ON/OFF.
2. Connect a Digital Voltmeter (DVM) to the output terminals on the rear panel,
observing correct polarity.
3. Press OUT ON/OFF to turn the DC output ON.
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Installation
Basic Checks or Self-Tests
4. Slowly turn the Current knob clockwise 1 or 2 turns. Slowly turn the Voltage
knob clockwise and observe both the front panel voltmeter and the DVM. Do not
exceed 10V.
5. Compare the DVM reading with the front panel voltmeter reading to verify the
accuracy of the internal voltmeter. Both readings should be the same within the
accuracy of the meters. The minimum control range is from zero to the
maximum rated output for the power supply model. Check that the Constant
Voltage (CV) annunciator is illuminated.
6. Press OUT ON/OFF to turn the DC output OFF.
Current Mode
Operation
Check
WARNING- High Temperature Hazard
Ensure that the current output does not exceed the rating of the shunt or load wiring
during this test.
To complete the current mode operation check:
1. Ensure that the OUT OFF annunciator is illuminated. If OUT ON is illuminated,
press OUT ON/OFF.
2. Connect the DC shunt across the output terminals on the rear panel.
3. Connect the DVM across the DC shunt.
4. Press OUT ON/OFF to turn the DC output ON.
5. Slowly turn the Voltage knob clockwise to a maximum reading of 10V.
6. Slowly turn the Current knob clockwise to a maximum reading of 10A.
7. Compare the DVM reading with the front panel ammeter reading using I=V/R
where I is the current, V is the DVM reading, and R is the DC shunt resistance.
The minimum control range is from zero to the maximum rated output for the
power supply model. Check that the Constant Current (CC) annunciator is
illuminated.
8. Press OUT ON/OFF to turn the DC output OFF.
9. Disconnect the DVM and the shunt.
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Installation
Load Wiring
Load Wiring
When connecting load wiring to the power supply, consider the following factors:
•
•
•
Current carrying capacity of the wire
Maximum load wiring length for operation with sense lines
Noise and impedance effects of the load lines
Current As a minimum, load wiring must have a constant capacity greater than the output
Carrying current rating of the power supply. This ensures that the wiring will not be damaged
Capacity even if the load is shorted. Table 2.4. shows the maximum current rating, based on
450A per square centimeter, for various gauges of wire rated for 105°C operation.
Operating at the maximum current rating results in a temperature rise of
approximately 30°C for a wire operating in free air. Where load wiring must operate
in areas with elevated ambient temperatures or bundled with other wiring, use larger
gauges or higher temperature-rated wiring. For high current applications,
custom-designed bus bars are typically used. To increase the current carrying
capability, use parallel cables.
Table 2.4 Current Carrying Capacity for Load Wiring1
Wire Size
(AWG)
1.
48
Maximum Current (A)
Wire Size
(AWG)
Maximum Current
(A)
20
2.5
4
97
18
4
2
155
16
6
1
192
14
10
1/0
247
12
16
2/0
303
10
21
3/0
350
8
36
4/0
405
6
61
250MCM
455
Single insulated conductors in free air, 30°C
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Installation
Load Wiring
Load Wiring
Length for
Operation
with Sense
Lines
For applications using remote sensing, or for improved voltage regulation at the load,
you must limit the voltage drop across each load line. We recommend that you use
the larger load wiring to ensure a smaller voltage drop (1V maximum), although
units will compensate for up to 5V drop in each line with the remote sense lines
connected.
Noise and To minimize noise pickup or radiation, use the shortest possible length of
Impedance shielded-twisted pair wiring for load lines. Connect the shield to the chassis via a rear
Effects panel mounting screw. Where shielding is not possible or is impractical, twisting the
wires together offers some noise immunity. When using local sense connections, use
the largest practical wire size to minimize the effects of load line impedance on the
regulation of the supply.
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Installation
Load Connections
Load Connections
WARNING
Exercise caution when operating the power supply. High energy levels can be stored
at the output terminals on a power supply in normal operation. In addition, potentially
lethal voltages exist in the power circuit and on the output and sense connectors of a
power supply with a rated output greater than 40V. Filter capacitors store potentially
dangerous energy for some time after power is removed.
!
CAUTION
When making connections to the bus bars, ensure that each terminal’s mounting
hardware and wiring assembly are placed to avoid touching the other terminal and
shorting the power supply outlet. Heavy connecting cables must have some form of
strain relief so they don’t loosen the connections or bend the bus bars.
Make load connections at the rear of the power supply at the positive and negative
output bus bars or to the 4-terminal wire clamp connector, depending on the model.
(See Figure 2.7.)
Wire Size The wire should be one size larger than necessary to accommodate the required
output current. Normally, the next largest commonly used gauge is used. For
example, use 10AWG for 20A, and 8AWG for 30A.
Isolation The wire must have a suitable insulating coating that will prevent arcing between the
positive and negative output current, and must be rated for 105°C operation.
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Installation
Load Connections
Single Load To connect a single load to the DC output bus bars (10–150V outputs):
1. Ensure that the power supply is powered OFF.
2. Place a bolt in the connecting hole of the negative bus bar, and fasten the
negative wire or bus bar, a washer, and a nut to the bolt.
3. Using a wrench, turn the bolt until it is secure at approximately 25 foot-pounds
(34Nm).
4. Fasten the positive wire or bus bar to the positive bus, using a bolt, washer, and
nut.
5. Tighten the bolt to approximately 25 foot-pounds (34Nm).
6. Ensure that the positive and negative wires are arranged so bare wires do not
come into contact with each other or the chassis.
To connect the DC output wire clamp connectors (300V, 600V outputs):
•
Connect appropriately sized wires as described in steps 1 to 6 above, except strip
0.5 in. (14mm) of insulation off each load wire, and clamp in the output
connector by securely tightening the vertical clamp screw for each output.
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Installation
Load Connections
Multiple To connect multiple loads in parallel:
Loads • Follow the “Single Load” procedure with the following exception:
• To minimize interaction between loads, bring the wiring for each load directly
back to the supply output. When each load to the power supply is wired
separately, the loads will see only the precisely regulated output from the supply.
If 2 loads share a single cable, the fluctuation in current to one load will cause
the voltage to vary on the others. This is due to wire impedance drops.
Figure 2.7 Fastening the Output Wires (6000 Watt)
(Low and Medium Voltage)
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Installation
Load Connections
Output Strain See Figure 2.8 and Figure 2.9 for installation of the output cover. Use this cover to
Relief/Cover protect users from accidental contact with the bus bars and to clamp output cables in
place.
Figure 2.8 Output Bus Bar Cover for 6000 Watt units
(Low and Medium Voltage)
Figure 2.9 Output for 12000 Watt units (Low and Medium Voltage)
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Installation
Load Connections
Figure 2.10Output Cover with Strain Relief for 6000 Watt units
(High Voltage 300–600V)
54
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Installation
Load Connections
Figure 2.11 Output for 12000 Watt units (High Voltage 300–600V)
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Installation
Remote Sensing
Remote Sensing
The power supply regulates the output voltage at the output connectors in its normal
configuration without remote sense lines connected.
Remote sensing lets the power supply track and regulate the output voltage at the
load, and thereby compensate for the voltage drop in the load lines. The power
supply will only compensate within the limitations of its voltage rating, to a
maximum of 5V per load line. Remote sensing is normally only required for critical
loads which cannot tolerate the slight voltage drop in the load lines caused by their
resistance. Remote sensing has no effect when the power supply is operating in
Constant Current mode.
Two remote sensing connectors are located on the rear panel of the power supply.
See “Rear Panel” on page 30 for location and polarity. Connect 2 wires from these
ports to the load, where the power supply cables terminate for your connection.
Carefully observe the correct polarity when making the connection. On 12000 Watt
units, connect the sense wires to the connector on the top or master power module.
The remote sensing input is sensitive to electrical noise, so always use a shielded
twisted pair, 22AWG or greater for the sense line cable. Terminate the shield to the
supply chassis or the negative output of the power supply for best results.
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Section 3. Operation
Overview
Once you have installed the power supply and connected both the AC input power
and the load as explained in Section 2, the power supply is in its default
configuration and is ready to operate in local control mode.
Section 3 begins by explaining how to power on and power off the power supply. It
then provides information about configuring the power supply, and also gives
procedures for operating the supply via the front panel controls and menu functions.
In addition, brief descriptions are provided of Constant Voltage, Constant Current,
and Constant Power modes. See “Power Supply Operation” on page 64.
Powering ON
the Power
Supply
WARNING- Shock Hazard
The factory setting for Power ON is 0V and 0A with the output OFF. These settings
can be customized by end users. If you suspect that the power supply has been used
by someone else since it was received from the factory, be prepared for the unit to
power ON with a live DC output.
To power on the power supply:
1. Ensure that the AC power switch is OFF.
2. Connect the unit to an AC outlet.
3. Turn on the front panel AC power switch.
After a short power-on delay, the digital meters on the front panel and the CV
annunciator illuminate. The voltmeter and ammeter displays should read zero.
Check the front panel annunciators. If OUT ON is illuminated, press OUT ON/OFF
to disable it. The OUT OFF annunciator should now be illuminated. For an
illustration of the annunciators and their locations, see Figure 1.5.
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Operation
Power Supply Operating States
Powering From the front panel, the safest method for shutting down the power supply is:
OFF the
Step # Do This
You Will See
Power Supply
1
2
ON
OUT OFF
Switch the AC power to OFF.
The OUT OFF annunciator
illuminates; Ouput V and I are 0.
The AC OFF alarm, and then the unit
fades to black.
Power Supply Operating States
The power supply has 5 operating states:
•
•
•
•
•
Power-On
Output Shutdown
Soft Start
Normal Operation
Calibration
Power-On This is the period between the time that AC power is applied to the supply (AC
breaker turned on) and the time that the power supply is ready for operation. During
this period, the internal circuits are powering up and performing self-tests. At the end
of the Power-On period, the supply is normally in its default Power-On mode with
the output OFF, VSET=0 and ISET=0.
Output In this state, the output is disabled and there is no output regardless of power settings.
Shutdown The power supply can be placed in the Output Shutdown state by a command (via
the front panel or from the programming interface), via the Interlock signal, or from
a protection mechanism. This is also called the Standby mode.
Soft Start In this state, the output power is ramping up gradually towards its target load. This
reduces equipment stress. This state occurs whenever the supply output is set to ON
or a protection state is re-set, and is approximately 2 seconds in duration.
Normal This is the normal operating state for the power supply. The power supply is ready
Operation to accept commands.
Calibration This is a service mode that is used to calibrate setpoints and readback levels for
accuracy. Calibration should only be performed by qualified service personnel. For
detailed information, see Appendix A.
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Operation
Power Supply Regulation Modes
Power Supply Regulation Modes
The power supply has 3 regulation modes while in the Normal Operation State:
•
•
•
Constant Voltage (CV)
Constant Current (CC)
Constant Power (CP)
The CV, CC, and CP annunciators indicate the regulation mode.
Constant In this mode, the supply’s output voltage is constant while the current and power
Voltage (CV) vary with the load. The power supply will operate in constant voltage mode
whenever the load current IL is less than the current limit setting ISET, or: IL<ISET.
(IL=VSET/RL). In constant voltage mode, the power supply maintains the output
voltage at the selected value (VSET) while the load current IL varies with the load
requirements.
Constant In this mode, the supply’s output current is constant while the voltage and power
Current (CC) vary with the load. The power supply will operate in constant current mode
whenever the load resistance is low enough that the load current IL is equal to the
current limit setting ISET. (VL=ISETRL). In constant current mode, the power supply
maintains the output current at the selected value (ISET) while the load voltage VL
varies with the load requirements.
Constant In this mode, the supply’s output power is constant while the voltage and current
Power (CP) vary with the load resistance. The power supply will operate in Constant Power
mode when the power drawn by the load is equal to the power setpoint and the
product of the voltage and current setpoint (VSET and ISET) is greater than the power
limit point (PSET). In Constant Power mode, the power supply maintains the output
power at the selected value (PSET) while the load voltage VL and load current IL
varies with the load requirements. The power limit is normally set to the maximum
supply rating, so the Constant Voltage or Constant Current modes will always be in
effect without entering into the Constant Power mode of operation.
Automatic This feature allows the power supply to automatically switch operating modes in
Mode response to changing load requirements. If, for example, the power supply was
Crossover operating in Constant Voltage (CV) Mode (IL < ISET), and the load changed so the
load current (IL) became EQUAL TO the current limit setting (ISET), the power
supply would automatically switch into Constant Current (CC) Mode and the output
voltage would vary in response to changes in load current. If the additional load was
subsequently removed so the load current was again LESS THAN the current limit
setting, the supply would automatically return to Constant Voltage (CV) Mode.
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Operation
Remote Control Modes
Remote Control Modes
A number of control interfaces are available. You can control the power supply
remotely using 0–5V or 0–10V signals via the remote analog programming interface
or from a remote terminal using a remote digital interface. A remote digital interface
following RS-232 protocol is standard. An optional remote digital interface
following IEEE 488.2 (GPIB) protocol is also available. An optional CANbus port
for 6000 Watt units is also available which enables multi-channel communication
from a single GPIB address, and supports current sharing with parallel connected
units. (For detailed information, see Section 4, “Remote Operation”.)
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Operation
Front Panel Controls
Front Panel Controls
The power supply is shipped ready to operate in local mode. The factory default
power-on setting is 0V, 0A with the DC output turned off.
This section describes the function keys, menu options, and control knobs that you
use to operate the power supply. (Additional details about the front panel keys,
control knobs, and display annunciators are provided in Section 1, “About The XDC
Power Supply”.)
The next section (“Power Supply Operation” on page 64) provides details about
configuring and operating the power supply.
Function Eight function keys are located on the front panel. Each is described below. For the
Keys purposes of simple front panel control, you should understand the function of the
LCL/RMT, OUT ON/OFF, VOLTAGE, and CURRENT keys.
1. VOLTAGE: Lets you pre-set a setpoint before enabling it. To pre-set a voltage
setpoint, press VOLTAGE, use the Voltage knob or the numeric keypad to enter
a value, and then press ENTER to enable it. (See “Set Voltage” on page 64.)
This output can be changed while the output is OFF.
2. CURRENT: Lets you pre-set a setpoint before enabling it. To pre-set a current
setpoint, press CURRENT, use the Current knob or the numeric keypad to enter
a value, and then press ENTER to enable it. (See “Set Current” on page 64.)
This output can be changed while the output is OFF.
3. STORE: Lets you save power supply settings. (See “Store User Settings” on
page 77.)
4. OUT ON/OFF: This is a toggle key that enables and disables the power supply
output. Normally, you should leave the power supply in its Output Off state
when no load is attached or there is no need for DC output. (See “Turn Output
On or Off” on page 65.)
When the Out On annunciator is illuminated, the output is on. When the Out Off
annunciator is illuminated, the output is off.
5. LCL/RMT: This key lets you toggle between local and remote control. If the
RMT annunciator is illuminated, press LCL/RMT to return control to the front
panel, if local mode has been enabled by the controller. (See “Toggle
Local/Remote” on page 74.)
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Operation
Front Panel Controls
6. PROT SET: Lets you view and set protection setpoints. (See “Set Output
Protection” on page 65.)
7. RECALL: Lets you apply stored power supply settings. (See “Recall Settings”
on page 79.)
8. EXIT: Lets you cancel an operation or leave Calibration mode or Auto
Sequence mode.
Menu Four keys allow you to access many functions available on the menu. These keys are
Navigation MENU, ENTER, and the Up and Down arrow keys.
Top Level To display the first menu item, press MENU. To display the other top level menu
Menu Items items in the order listed below, press MENU or the Down arrow repeatedly. To
display the other items in reverse order, press the Up arrow repeatedly.
The top level menu items are:
1. ERROR MSGS: Lists up to 50 queued errors. (See “Read Error Messages” on
page 82.)
2. USER LINES: Configures auxiliary lines A and B. (See “Configure User
Lines” on page 83.)
3. PON CONFIG: Configures the power-on settings. (See “Configure Power ON
Settings” on page 84.)
4. S/D RECOVERY: Sets up shutdown recovery options for AC Off and
Over-Temperature Protection. (See “Set Shutdown Recovery for AC Off and
OTP” on page 71.)
5. REMOTE SELECT: Sets up the remote access option. (See “Select Remote
Control Source” on page 75.)
6. REMOTE CONFIG: Configures the remote access option. (See “Configure
Remote Control Source” on page 76.)
7. AUTO SEQ PGM: Programs automatic sequences. (See “Program Auto
Sequence” on page 87.)
8. CURRENT SHARE: Sets up master/slave relationships for multiple-supply
configurations. (See Section 5, “Current Sharing (6000 Watt only)”.)
9. POWER SETPT: Sets up the power output. (See “Set Power” on page 65.)
10. DISPLAY CFG: Sets up the display to show the desired combination of
voltage, current, and power. (See “Configure Display” on page 98.)
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Operation
Front Panel Controls
11. KNOB LOCKOUT: Locks out either the Voltage or Current knob, or locks out
both. (See “Lock Out Control Knobs” on page 98.)
12. SETPT LIMIT: Sets up minimum and maximum voltage, current, and power
setpoints. (See “Set V, I, and P Limits” on page 100.)
13. SLEW RATE: Sets the programmable slew rate. (See “Slew Rate” on page
102.)
14. CALIBRATION: Displays the Calibration menu. This menu item can be
password protected. (See Appendix , “.”.)
15. MODEL INFO: Displays make, electrical ratings, ROM version, FPGA
version, and SCPI version. (See “View Model Information” on page 104.)
Control The Voltage and Current knobs are the simplest way to control the power supply.
Knobs
The Voltage and Current knobs are digital encoders, and therefore, there are no start
or end points to their rotation, and their rotation positions are meaningless when the
power supply is powered OFF. The control knobs can be disabled through a menu
command. See “Lock Out Control Knobs” on page 98 for more information.
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Operation
Power Supply Operation
Power Supply Operation
This section describes how to configure and operate the power supply.
Set Voltage The VOLTAGE key allows you to set and view the DC voltage output setpoint.
Step # Do This
1
2
3
VOLTAGE
You Will See
Set #####V
Use the numeric keypad, Voltage
knob, or arrow keys to enter a value
(0–103% of rated voltage).
ENTER
This saves the setting and enables
the new voltage setpoint.
Set Current The CURRENT key allows you to set and view the DC current output setpoint.
Step # Do This
1
2
3
64
CURRENT
You Will See
Set #####A
Use the numeric keypad, Current
knob, or arrow keys to enter a value
(0–103% of rated current).
ENTER
This saves the setting and enables
the new current setpoint.
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Operation
Power Supply Operation
Set Power The POWER SETPOINT menu option lets you select the power output limit,
measured in watts. The following table shows how to access and work with the
Power Setpoint option. The power setpoint is normally at the maximum rating of the
power supply, in the factory default configuration and does not need to be re-set for
typical use.
Step # Do This
1
MENU
2
3
ENTER
4
5
You Will See
ERROR MSGS
Press 8 times.
POWER SETPOINT
SET ##### W
Use the numeric keypad or arrow
keys to enter the value, which must
be 3–103% of the unit’s rated power.
ENTER
This saves the value and enables the
new power setpoint.
Turn Output Use the OUT ON/OFF toggle key to enable or disable the power supply’s output.
On or Off When the output is disabled, the voltage and current at the output are zero regardless
of the setpoints.
When the output is on and you press OUT ON/OFF, OUTPUT OFF is momentarily
displayed. Then the readback is 0000V 0000A to indicate that output is zero, and
the OUT OFF annunciator illuminates. This is also known as Standby mode.
When you press OUT ON/OFF again, the OUT ON annunciator illuminates and the
power supply resumes normal operation, with the display showing a readback of the
output.
Set Output Seven configurable protection mechanisms are available:
Protection • OVP: Over-Voltage Protection. Factory default = 103% V
RATED
• UVP: Under-Voltage Protection. Factory default = 0V (disabled)
• OCP: Over-Current Protection. Factory default = 0A (disabled)
• UCP: Under-Current Protection. Factory default = 0A (disabled)
• OPP: Over-Power Protection. Factory default = 0W (disabled)
• UPP: Under-Power Protection. Factory default = 0W (disabled)
• Fold: Fold Protection. (See below.)
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Operation
Power Supply Operation
OVP shuts down the power supply if the protection limit is exceeded. The other
options offer a choice: they shut down the power supply or issue a warning. When
the protection level is set to zero, that mechanism is considered disabled. However,
in the case of OVP, a hardware protection mechanism still exists.
The last protection mechanism is Fold Mode protection, when the unit will shut
down if it enters the selected regulation mode for a specified period of time.
Other protection mechanisms designed to protect the power supply are:
•
•
•
•
AC Off: AC Off protection will disable the output if the AC line drops below
the acceptable range.
High Temperature Alarm: A High Temperature condition will queue an alarm
message when the temperature of critical internal components nears the
maximum operating temperature.
Over Temperature Protection (OTP): An over temperature condition will
disable the output.
Sense Protection: Sense Protection will disable the output when the internal
sense circuit is tripped by either reversed polarity at the output of the supply or
a high voltage present at the output.
Recovery options are available for AC Off and OTP.
Also, see “Status Registers” on page 142.
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Operation
Power Supply Operation
To set the Over-Voltage Protection:
Step # Do This
1
PROT SET
ALARMS
2
ENTER
3
4
Use the Voltage knob, the numeric,
keypad, or the arrow keys to enter a
value. The value must be between
0–103% of the unit’s rated voltage.
ENTER
You Will See
OVP SHUTDOWN
OVP SET 0V
OVP SET ####V
This setting is saved and the display
returns to its default operating mode.
The other protection options follow a similar procedure, but have 2 extra steps:
1. When you press PROT SET / ALARMS, the OVP prompt appears. Press
PROT SET/ ALARMS repeatedly to cycle through the other protection
options.
2. Protection options, other than OVP, prompt you with S/D if trip? N
Use the arrow keys to select Yes or No.
Yes shuts down the power supply if the protection limit is reached.
No issues a warning (a message in the Alarms menu) without shutting down the
supply.
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Operation
Power Supply Operation
These 2 extra steps are shown in the following example.
To set the Under-Voltage Protection:
Step # Do This
1
2
3
4
5
6
7
You Will See
PROT SET
ALARMS
PROT SET
ALARMS
OVP SET 0V
Press repeatedly until the
desired setting appears.
UVP SET 0V
UVP SET 0V
ENTER
Use the Voltage knob, the numeric
keypad, or the arrow keys to enter a
value (0–103% of the unit’s rated
voltage).
UVP SET ####V
S/D if trip? N
ENTER
Use the arrow keys to select Yes or
S/D if trip? Y
No. For this example, Yes is selected.
This setting is saved and the display
returns to its default operating mode.
ENTER
To set the Over-Current Protection:
Step # Do This
1
2
3
4
5
6
7
68
You Will See
PROT SET
ALARMS
PROT SET
ALARMS
OVP SET 0V
Press repeatedly until the
desired setting appears.
ENTER
Use the Current knob, the numeric
keypad, or the arrow keys to enter a
value (0–103% of the unit’s rated
current).
ENTER
OCP SET 0A
OCP SET 0A
OCP SET ####A
S/D if trip? N
Use the arrow keys to select Yes or
S/D if trip? Y
No. For this example, Yes is selected.
ENTER
This setting is saved and the display
returns to its default operating mode.
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Operation
Power Supply Operation
To set the Under-Current Protection:
Step # Do This
1
PROT SET
ALARMS
2
PROT SET
ALARMS
3
ENTER
4
5
6
7
You Will See
OVP SET 0V
Press repeatedly until the
desired setting appears.
UCP SET 0A
UCP SET 0A
Use the Current knob, the numeric
keypad, or the arrow keys to enter a
value. The value must be between
0–103% of the unit’s rated current.
UCP SET ####A
S/D if trip? N
ENTER
Use the arrow keys to select Yes or No.
For this example, Yes is selected.
S/D if trip? Y
This setting is saved and the display
returns to its default operating mode.
ENTER
To set the Over-Power Protection:
Step # Do This
1
PROT SET
ALARMS
2
PROT SET
ALARMS
3
ENTER
4
5
6
7
You Will See
OVP SET 0V
Press repeatedly until the
desired setting appears.
Use both the Current and Voltage
knobs, or the numeric keypad, or the
arrow keys to enter a value. The
value must be between 0W and
103% of the unit’s rated power.
ENTER
OPP SET 0W
OPP SET 0W
OPP SET ####W
S/D if trip? N
Use the arrow keys to select Yes or
S/D if trip? Y
No. For this example, Yes is selected.
ENTER
This setting is saved and the display
returns to its default operating mode.
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Operation
Power Supply Operation
To set the Under-Power Protection:
Step # Do This
1
2
3
4
5
6
7
You Will See
PROT SET
ALARMS
PROT SET
ALARMS
OVP SET 0V
Press repeatedly until the
desired setting appears.
ENTER
Use both the Current and Voltage
knobs, or the numeric keypad, or the
arrow keys to enter a value (must be
between 0W and 103% of the unit’s
rated power).
ENTER
UPP SET 0W
UPP SET 0W
UPP SET ####W
S/D if trip? N
Use the arrow keys to select Yes or
S/D if trip? Y
No. For this example, Yes is selected.
ENTER
This setting is saved and the display
returns to its default operating mode.
Fold Protection options are:
•
•
•
•
None: Fold protection disabled
CC: Shutdown on entering CC mode
CV: Shutdown on entering CV mode
CP: Shutdown on entering CP mode
A programmable delay time causes the supply to wait before shutting down the
output.
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Operation
Power Supply Operation
To set Fold Protection:
Step # Do This
1
PROT SET
ALARMS
2
PROT SET
ALARMS
3
ENTER
4
5
6
7
You Will See
OVP SET 0V
Press repeatedly.
Use the arrow keys or the numeric
keypad to select the value: None, CC,
CV, CP
Fold SD Mode
Fold on ####
ENTER
Use the arrow keys or the numeric
keypad to select the delay time.
ENTER
Delay 0s
This setting is saved.
Set The Shutdown Recovery menu offers 2 options for AC Off (ACO) and
Shutdown Over-Temperature protection (OTP):
Recovery for • Auto-Recovery: With this method, the power supply returns to its normal
AC Off and
operating state once the alarm condition no longer exists. For example, if there
OTP
was an over-temperature alarm and the protection was set to auto-recovery, the
power supply would return to its normal operating state once the temperature
was reduced below the alarm level.
• Latched: With this method, the power supply remains in Shutdown state until
the operator manually clears the protection level and manually turns the output
back on.
You can set either or both the OTP and AC Off to Auto-Recovery or Latched.
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Operation
Power Supply Operation
To set both OTP and AC Off to Auto-Recovery:
Step # Do This
You Will See
1
MENU
2
3
ENTER
OTP Latched2
4
OTP AutoRecov
5
ENTER
6
ENTER
ERROR MSGS
3 times1
S/D RECOVERY
ACO AutoRecov3
OTP is set to Auto Recovery.
ACO remains set to Auto Recovery
and the display returns to its default
operating mode.
1. You can also press MENU 4 times to bring up the Shutdown Recovery option.
2. The default is Latched. You can leave it at Latched or change it to Auto-Recovery. Press
either arrow key repeatedly until the desired option appears.
3. The default is AutoRecov. You can leave it at Auto-Recovery or change it to Latched. Press
either arrow key repeatedly until the desired option appears.
Respond to If there is a protection alarm, press the PROT SET/ALARMS key to read the
Alarms message or messages. Once you have read a message, the system clears it from
memory. To tell the system that a message has been read, press an arrow key. If a
message has been read and the conditions that caused the alarm no longer exist, the
display shows Alarms Cleared.
If the unit has shut down, resume operation by pressing the OUT ON/OFF key.
The following table shows what to do if there is an OC Alarm and an OP Alarm, and
the conditions that caused the alarms no longer exist:
Step # Do This
72
You Will See
1
PROT SET
ALARMS
OC Alarm
2
OP Alarm
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Operation
Power Supply Operation
If the alarms are cleared, the system returns to its default operating state. If the alarms
persist, the system prompts OVP SET #####V. The system has shifted to output
protection mode. You can press ENTER to work with the OVP setting or press the
arrow keys to view the other protection settings. See “Set Output Protection” on page
65 for more information.
WARNING- Fire Hazard
If an over-voltage, over-current, or over-power protection error persists without
apparent cause, press OUT ON/OFF to disable the output, and turn the AC switch
OFF. Inspect the load and power supply for evidence of an electrical fault. The power
supply should not be brought back into operation if there is any evidence of an
electrical fire or other safety hazards.
The possible alarms are:
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
OVP Shutdown
UVP Shutdown
OCP Shutdown
UCP Shutdown
OPP Shutdown
UPP Shutdown
UVP Alarm
OCP Alarm
UCP Alarm
OPP Alarm
UPP Alarm
Fold Shutdown
SenseShutdown
Hi Temp Alarm
OTP Shutdown
AC Off
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Operation
Power Supply Operation
Shutdown vs Protection Alarm
If a protection setpoint is exceeded, the system does the following:
1. If S/D if tripped? Y has been selected, the unit shuts down.
If it is an OVP alarm, the unit shuts down.
2. If S/D if tripped? N has been selected, and it is not an OVP alarm, the
unit does not shut down but does create an alarm message.
3. If the unit is not shutting down, the system still sets the appropriate status bits in
the questionable status register, which can be queried remotely. See “Status
Registers” on page 142 for more information.
Set Up The power supply can be controlled locally with the front panel or remotely through
Remote several different interfaces. The remote interfaces are discussed in Section 4,
Control “Remote Operation”, Appendix B. “SCPI Command Reference”, and Appendix D.
“GPIB”.
The factory default remote control setting is RS-232. It has a default configuration
of 9600 baud.
Toggle The LCL/RMT key allows you to shift between local and remote control.
Local/Remote
To shift from local to remote control:
Do This
LCL/RMT
You Will See
RS-232
In the case shown, the power supply has changed from local, front panel control to
remote control through its RS-232 port. The remote control options are RS-232,
Analog V and I, Analog V, Analog I, GPIB, and Linked. You can change the remote
control source through the REMOTE SELECT menu option. (See “Select Remote
Control Source” below.)
There are 2 exceptions to this function:
•
•
74
If the power supply has Local Lockout (LLO) active, it will not let you shift from
remote to local control. Instead, the display will show LLO on, and the system
will remain in remote control.
If the system is using GPIB, it will shift to remote control only when the Remote
enable line, REN = 1 and a command is sent from the remote controller.
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Operation
Power Supply Operation
Select
Remote
Control
Source
The REMOTE SELECT menu option allows you to select an interface for remote
control. Before selecting a remote control source, be sure to set up each interface
using the Remote Configure menu. See “Configure Remote Control Source” on page
76
Remote control sources are listed here along with their respective programming
interfaces:
•
•
•
•
•
•
RS–232
Analog V & I: Voltage and current programmed via the analog interface
Analog V: Voltage programmed via the analog interface; current
programmed via front panel
Analog I: Current programmed via the analog interface; voltage programmed
via front panel
GPIB
Multichnl: multichannel operation using the optional CANbus interface
between units (only available for 6000 Watt units)
To change the remote control source:
Step # Do This
1
MENU
2
3
ENTER
4
You Will See
ERROR MSGS
4 times
RS-232
or
Press repeatedly until the desired
remote control source appears.
5
ENTER
REMOTE SELECT
The options are RS-232, Analog V &
I, Analog V, Analog I, GPIB, and RMT
linked.
The setting is saved and the display
returns to its default operating mode.
If you change the remote setting to GPIB, the next time you shift from local to remote
control, the unit will shift to GPIB control.
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Operation
Power Supply Operation
Configure The REMOTE CONFIG menu option lets you set up the attributes of the remote
Remote control sources.
Control
Source The following table shows how to access and work with the Remote Configuration
option.
Step # Do This
1
MENU
2
3
ENTER
4
You Will See
ERROR MSGS
5 times1
RS-232 Cfg
or
Press repeatedly until the desired
remote control source appears.
5
REMOTE CONFIG
RS-232 Cfg
Analog Cfg
GPIB Cfg
Multichnl Cfg
See the tables that follow to see how
to proceed.
ENTER
1. You can also press MENU 5 times.
After you have selected the remote control source you want to configure, configure
that setting using appropriate values from the following table. Select values using the
arrow keys or the numeric keypad. To save a value you have selected, press ENTER.
See Section 4, “Remote Operation” for detailed instructions on setting up remote
interfaces.
Remote Control
Source
Prompt
Configuration Settings
RS-232
Baud ######
1200, 2400, 4800, 9600, 19200,
384001
Flow Ctl ####
Hdwr, XON, None2
Analog
Input #### V
GPIB
GPIB Addr ##
PON SRQ? Y
Slave Addr ##
Connect?
Select the operating range of the
API:
0–5
0–10
1–30
Y, N
2-50
Y, N
Multichannel
1. This range depends on the user’s network configuration.
2. Hdwr = hardware handshake; XON = software flow control XON/XOFF characters used; None
= no flow control
76
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Operation
Power Supply Operation
Store User If you have a frequent or constant need for a specific voltage and current output, you
Settings can save these setpoints in the power supply’s memory as a user setting. Once a
setting is stored, it remains in the power supply’s memory after the unit is powered
off.
Ten user setting memory locations are available, and each saves the following
parameters:
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Voltage setpoint
Current setpoint
Power setpoint
Over-voltage protection setpoint (OVP)
Under-voltage protection setpoint and shutdown configuration (UVP)
Over-current protection setpoint and shutdown configuration (OCP)
Under-current protection setpoint and shutdown configuration (UCP)
Over-power protection setpoint and shutdown configuration (OPP)
Under-power protection setpoint and shutdown configuration (UPP)
Foldback protection mode and delay settings
Over-temperature protection auto recovery configuration (OTP)
AC Off auto recovery configuration (ACO)
Aux line configuration
Front panel display configuration
Front panel knob lockout
Voltage, current, and power limits
Triggered voltage, current and power setpoints
Trigger source
Note All parameters are saved and used when the user setting is recalled. Therefore, you
should set parameters that you do not care about to the factory defaults.
To create and save a user setting:
1. Set up the power supply with all the parameters you require.
2. Press
STORE
.
3. Select a memory location, and press
ENTER
to save your settings.
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Operation
Power Supply Operation
The following table demonstrates how to set and save current and voltage settings:
Step # Do This
1
2
VOLTAGE
Turn the Voltage knob or use the
numeric keypad to enter a voltage
setpoint.
3
ENTER
4
CURRENT
5
Turn the Current knob or use the
numeric keypad to enter a current
setpoint.
6
STORE
7
ENTER
You Will See
Set #####V
Set #####V
Your voltage setting appears on the
display.
Your voltage setting is saved.
Set #####A
Your current setting appears on the
display.
Set 1 (unused)1
Set 1
Your voltage and current setting is now
saved as Set 1.
1. (unused) appears with Set 1 if there are no saved settings in the system. Press Enter to save
your setting as Set 1. If (unused) does not appear, then you can overwrite Set 1 with your new
setting or use the numeric keypad or arrow keys to find the next unused set number. You can
also press CE to clear an existing setting and then press ENTER to replace the cleared setting
with your new setting.
Change To change a stored setting, overwrite it with a new setting, or select the setting, press
Stored CE and hold it for a few seconds to clear the setting from memory.
Settings
78
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Operation
Power Supply Operation
Recall After you have saved one or more settings, you can press RECALL to retrieve them
Settings from the power supply’s non-volatile memory or to run an auto-sequence program.
(You can also recall stored settings through your Power ON configuration. See
“Configure Power ON Settings” on page 84.)
To retrieve a setting using RECALL:
Step #
Do This
You Will See
1
RECALL
Last Setting
2
RECALL
User Settings
3
ENTER
User Set 11
4
ENTER
This setting is retrieved from memory,
the power supply’s output changes to
match the setting, and the display
returns to its default operating mode.
1. If you want a different setting besides Set 1, use the arrow keys or numeric keypad.
Four options are available from the Recall memory:
1. Last Setting: Returns the setpoints to values stored before power was turned off.
2. User Settings: Returns the setpoints to one of ten possible saved values.
3. Factory Preset: Returns the setpoints to the original out-of-the-box values.
4. Auto Sequence: Returns control of the setpoints to one of ten possible saved
programs. (For further information, see “Program Auto Sequence” on page 87.)
To access these options, press RECALL repeatedly until the correct option appears,
or press the arrow keys. Pressing RECALL lets you scroll through the options in the
direction listed above. Pressing the arrow keys lets you cycle through the options in
either direction.
To restore the last setting:
Step #
1
2
Do This
You Will See
RECALL
Press once.
ENTER
Press to restore last
Last Settings
setting.
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Operation
Power Supply Operation
To select a stored user setting:
Step # Do This
You Will See
1
RECALL
Press twice.
2
ENTER
Use the numeric keypad
or arrow keys to enter a value
between 1 and 10.
3
ENTER
Use the numeric keypad
or arrow keys to enter a value
between 1 and 10.
User Setting
User Set ##1
1. This prompt appears when there is at least one saved setting in memory. If there are no saved
settings, the display reads None Saved and then automatically returns to User Settings.
To select a factory setting:
Step # Do This
1
2
RECALL
You Will See
Press 3 times.
Factory Preset
ENTER
This restores the setpoints
to factory defaults.
To select Auto Sequence:
Step # Do This
1
2
RECALL
You Will See
Press 4 times.
ENTER
Auto Sequence
User Set ##1
Use the numeric keypad
or arrow keys to enter a value
between 1 and 10.
3
ENTER
This runs the selected
Auto Sequence program.
1. This prompt appears when there is at least one saved programs in memory. If there are no
saved programs, the display reads None Saved and then automatically returns to Auto
Sequence.
For operation of Auto Sequence mode, see “Using Auto Sequencing” on page 97.
80
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Operation
Power Supply Operation
Table 3.1 Settings Affected by Recall
Feature
Factory Preset Value
Voltage setpoint
0.0V
Current setpoint
0.0A
Power setpoint
103% of power rating
Triggered voltage setpoint Disabled (DEF)
Triggered current setpoint Disabled (DEF)
Triggered power setpoint
Disabled (DEF)
Trigger source
None
Low voltage setpoint limit
0.0V
High voltage setpoint limit 103% of voltage rating
Low current setpoint limit
0.0A
High current setpoint limit
103% of current rating
Low power setpoint
0% of power rating
High power setpoint
103% of power rating
Over voltage protection
Disabled (0.0V)
Under voltage protection
Disabled (0.0V) and not shutdown when tripped
Over current protection
Disabled (0.0A) and not shutdown when tripped
Under current protection
Disabled (0.0A) and not shutdown when tripped
Over power protection
Disabled (0.0W) and not shutdown when tripped
Under power protection
Disabled (0.0W) and not shutdown when tripped
Fold shutdown protection
None and delay 0.5s
AC off shutdown recovery Auto recover
Over temperature
shutdown recovery
Latched
Front panel display config Show V, I & P
Knob lockout
None
Aux line configuration
None and active low
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Operation
Power Supply Operation
Read Error The ERROR MSGS menu option lets you display up to 50 queued messages. Once
Messages each message has been read, it is cleared from the system. Press either arrow key to
clear the displayed message and bring up the next message. Once all messages have
been read and cleared, the prompt reads No errors, and the power supply
automatically returns to the default state.
To read and clear error messages:
Step # Do This
You Will See
1
MENU
ERROR MSGS
2
ENTER
Error -###
3
Press repeatedly until all
messages have been read
and cleared.
No errors
For a detailed description of all error messages, see Appendix C.
82
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Operation
Power Supply Operation
Configure The USER LINES menu option lets you configure the auxiliary status lines
User Lines
The Auxiliary (Aux) lines are 2 open collector outputs that can be used to monitor
the status of the power supply. The auxiliary lines are referred to as AUX A and
AUX B. See “Making Connections for Remote Control” on page 107 for details.
Each user line also has a corresponding annunciator on the front panel display to
indicate when it is on. Aux lines can be set up to report the following status
conditions:
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
None
Unregul: Output Unregulated
OVP: Over-Voltage Condition
UV: Under-Voltage Condition
OC: Over-Current Condition
UC: Under-Current Condition
OP: Over-Power Condition
UP: Under-Power Condition
AC Off: Input power has failed or is out of range
OTP: Over-Temperature Condition
Hi Temp: High-Temperature Condition
SenseProt: Sense Protection Tripped
Fold Prot: Fold Protection Tripped
CC: Constant Current Mode
CV: Constant Voltage Mode
CP: Constant Power Mode
Out ON: Output On
Out OFF: Output Off
To access and work with the USER LINES menu option:
Step # Do This
1
MENU
2
3
ENTER
4
5
You Will See
ERROR MSGS
1
USER LINES
Aux line A
or
line to configure.
ENTER
to select which
Aux line B
Cfg None
1. You can also press MENU again to bring up the AUX LINES option.
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Operation
Power Supply Operation
Aux line B has been selected to be configured.
To configure Aux line B:
Step # Do This
You Will See
Cfg CV
2
ENTER
Pol Act High
3
Pol Act Low
ENTER
This setting is saved and the display
returns to its default operating mode.
1
4
Press repeatedly until the
desired option appears. For this
example, CV is selected.
Press repeatedly until the
desired option appears.
Select either “Act High” (Active high
logic) or “Act Low” (Active low logic)
for the auxiliary lines. In this example,
Active Low is selected.
Configure The Power ON configuration can be set with 4 options:
Power ON • Factory Preset: Where the Power ON output is reset to the original factory
Settings
levels.
These include: Output=OFF, VSET=0, and ISET=0. (default configuration)
• Last Setting: Where the Power ON output is set to the same level as when it was
last powered OFF. This is useful for automatic recovery from short power
failures.
• User Settings: Where the Power ON output is set to a stored setting that is
recalled from memory. See “Store User Settings” on page 77.
• Auto Sequence: Where the Power ON output can be recalled from memory. See
“To edit the sequence’s trigger source:Using Auto Sequencing” on page 96.
The output state also depends on the Power ON Output setting. The values listed
above are true only if the OUT ON? setting is Yes. Otherwise Output is off (unit in
Standby mode).
See “Recall Settings” on page 79 for settings affected by the Power ON feature.
Each of the 4 Power ON configuration options can be accessed from the Front Panel
menus or remotely through a set of digital commands. The procedures that follow
show how to use the Front Panel menus.
84
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Operation
Power Supply Operation
Factory Preset
Selecting Factory Preset lets you restore the factory defaults the next time the
power supply is powered ON.
To select Factory Preset:
Step # Do This
You Will See
1
MENU
2
MENU
3
ENTER
4
MENU
5
ENTER
6
ENTER
to select, or
and
ERROR MSGS
2 times1
PON CONFIG
Last Setting
2 times1
Factory Preset
Out ON? Y
ENTER
to change.
The default display for the selected
operating mode.
1. You can also press the Down arrow 2 times.
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Operation
Power Supply Operation
User Setting
User Setting lets you restore a custom setting the next time the unit is powered on.
This assumes at least one user setting has been stored in memory. See “Store User
Settings” on page 77.
To select User Setting:
Step # Do This
You Will See
1
MENU
2
MENU
3
ENTER
Last Setting
4
MENU
User Settings
5
ENTER
Enter a value from 1 to 10.
6
or
ENTER
to select.
ENTER
to select, or
and
7
ERROR MSGS
2 times1.
ENTER
PON CONFIG
to scroll,
to change.
User Set ##
Out ON? Y
The default display for the selected
operating mode.
1. You can also press the Down arrow 2 times.
Last Setting
Selecting Last Setting lets you restore the settings that are in use when the power
supply is powered off, the next time it is powered on.
To select Last Setting:
Step # Do This
You Will See
1
MENU
2
MENU
3
ENTER
Last Setting
4
ENTER
Out ON? Y
5
ENTER
to select, or
and
ERROR MSGS
2 times1.
ENTER
PON CONFIG
to change.
The default display for the selected
operating mode.
1. You can also press the Down arrow 2 times.
86
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Operation
Power Supply Operation
Auto-Sequence
Auto Sequence lets you recall a stored program next time the unit is powered on.
(Assumes at least one program has been saved in memory. See “To edit the
sequence’s trigger source:Using Auto Sequencing” on page 96.)
To select Auto Sequence:
Step # Do This
You Will See
1
MENU
2
MENU
3
ENTER
4
MENU
5
ENTER
6
or
ENTER
to select.
ERROR MSGS
2 times1.
PON CONFIG
Last Setting
3 times2.
Auto Sequence
Auto Seq 1
to scroll3,
The default display for the selected
operating mode.
1. You can also press the Down arrow 2 times.
2. You can also press the Down arrow 3 times.
3. You can scroll through up to 10 stored programs.
Program The AUTO SEQ PGM menu option is used to set up command programs for
Auto automated operation. There are 10 programmable sequences with up to 99 steps per
Sequence sequence.
Each sequence can be repeated a programmable number of times or forever. If the
sequence contains steps that advance by a trigger event, a single trigger source can
be selected to advance those steps.
Each step can be programmed to set the voltage setpoint, current setpoint, power
setoint, and OVP level automatically. Each step can also be programmed to advance
by a delayed time or a trigger event. The duration of each step may range from 10 ms
to 99 hours.
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Operation
Power Supply Operation
Programming This option allows you to set up command programs for automated operation.
a Sequence
To program a sequence:
Note In the following procedure, only change the default setpoints if required. Otherwise
simply press ENTER to accept.
:
Step # Do This
1
MENU
2
3
ENTER
4
ERROR MSGS
or
MENU
6 times
AUTO SEQ PGM
Sequence 1
or
. Use the scroll
keys to select a sequence to work
with.
Sequence #
5
ENTER
6
ENTER
7
ENTER
8
ENTER
Enter the step voltage
setpoint
S01 ####V
9
ENTER
Enter the step current
setpoint.
S01 ####A
10
ENTER
11
ENTER
12
ENTER
13
Edit Sequence
Edit mode is selected
Step 1
Edit Step
Enter the step power.
Enter the step OVP
level.
S01 ####W
S01 ####V
Set Step Time
or
. Use the scroll
keys to select how you want to
advance to the next step:
•
•
88
You Will See
Set Step Time waits for a certain
period. See the “Setting step advance
by time:” table below.
Wait for Trig waits for a trigger event.
See the “Setting step advance by
trigger:” table below.
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Operation
Power Supply Operation
Step # Do This
You Will See
14
Set the step advance method.
15
To go to the next step in Step 2
the sequence. This will
return you to step 7 in
this table. Repeat steps 7 to 14 for
all remaining steps in the sequence.
To Next Step
ENTER
EXIT
Press to exit auto
sequence programming
and return to the default
screen.
Setting step advance by time:
This procedure is continued from step 13 in the “To program a sequence:” table. It
describes how to program the sequence to advance a particular step by waiting for a
certain time period.
Step # Do This
You Will See
Set Step Time
1
ENTER
Enter the Step duration.
The format of the display
is hh:mm:ss.ss.
T=##:##:##.##
Use the decimal key to move to
the right.
2
ENTER
To Next Step
The completion of this procedure will bring you back to step 15 of the “To program
a sequence:” table. Continue programming the current step.
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Operation
Power Supply Operation
Setting step advance by trigger:
This procedure continues from step 13 in the “To program a sequence:” table. It
explains how to program the sequence to advance a particular step by waiting for a
certain trigger event. See “Editing Trigger Source of a Sequence” on page 96 for
more information about trigger event.
Step # Do This
You Will See
Set Step Time
1
2
or
. Use the scroll
keys to select the Wait for Trig
option.
ENTER
Wait for Trig
To Next Step
The completion of this procedure will bring you back to step 15 of the “To program
a sequence:” table. Continue programming the current step.
Note The default value for a sequence’s repeat time and trigger source is repeat once and
trigger from key. See “Editing Repeat Times of a Sequence” on page 95 and “Editing
Trigger Source of a Sequence” on page 96 for an explanation of how to edit these
values.
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Operation
Power Supply Operation
Deleting a This option allows you to delete an entire sequence.
Sequence
To delete a sequence:
Step # Do This
1
MENU
2
3
ENTER
4
ENTER
6
6 times or
MENU
.
ENTER
8
AUTO SEQ PGM
Sequence 1
Sequence #
Edit Sequence
or
. Use the scroll
keys to select the Del Sequence
option.
7
10
ERROR MSGS
or
. Use the scroll
keys to select a sequence to delete.
5
9
You Will See
Del Sequence
Delete Seq? N
or
. Use the scroll
keys to confirm deletion.
ENTER
Delete Seq? Y
Seq Erased
Wait. Sequence is now deleted.
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Operation
Power Supply Operation
Editing a This option allows you to edit a particular step in a sequence that has already been
Sequence programmed or to add steps to a new program.
Step
To edit a step in a programmed sequence:
Step # Do This
1
MENU
2
3
ENTER
4
ERROR MSGS
6 times or
MENU
.
AUTO SEQ PGM
Sequence 1
or
. Use the scroll
keys to select a sequence to work
with.
Sequence #
5
ENTER
Edit Sequence
6
ENTER
Step 1
7
8
9
92
You Will See
or
. Use the scroll
keys to select a sequence to edit.
Edit Step
ENTER
Step #
or
. Use the scroll
keys to select the Edit Step option.
Follow step 8 of the “To program a
sequence:” table in the
“Programming a Sequence” section
to finish editing the step.
Edit Step
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Operation
Power Supply Operation
Inserting a This option allows you to insert a particular step in a sequence that has already been
Sequence programmed.
Step
To insert a step into a programmed sequence:
Step # Do This
1
MENU
2
3
ENTER
4
You Will See
ERROR MSGS
6 times or
MENU
.
AUTO SEQ PGM
Sequence 1
or
. Use the scroll
keys to select a sequence to work
with.
Sequence #
5
ENTER
Edit Sequence
6
ENTER
Step 1
7
or
. Use the scroll
keys to select the step to insert in
front of.
8
ENTER
9
Step #
Edit Step
or
. Use the scroll Insert Step
keys to select the Insert Step option.
Follow step 8 of the “To program a
sequence:” table in the
“Programming a Sequence” section
to finish inserting the step.
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Operation
Power Supply Operation
Deleting a This option allows you to delete a particular step in a sequence that has already been
Sequence programmed.
Step
To delete a step in a programmed sequence:
Step # Do This
1
MENU
2
3
ENTER
4
ERROR MSGS
6 times or
MENU
.
AUTO SEQ PGM
Sequence 1
or
. Use the scroll
keys to select a sequence to work
with.
Sequence #
5
ENTER
Edit Sequence
6
ENTER
Step 1
7
8
9
or
. Use the scroll
keys to select the step to delete.
Edit Step
ENTER
Step #
or
. Use the scroll
keys to select the Delete Step
option.
Delete Step
10
ENTER
Step ## Deleted
11
ENTER
Step ##
12
94
You Will See
Step has now been deleted. Select
another step to work with or escape
by pressing
.
EXIT
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Operation
Power Supply Operation
Editing This option allows you to edit the number of times the sequence will run before it
Repeat Times goes into STOP mode.
of a
Sequence To edit the sequence’s repeat times:
Step # Do This
1
MENU
2
3
ENTER
4
ENTER
6
6 times or
MENU
.
ENTER
8
•
Sequence #
Edit Sequence
Set Repeat #
Run Once
or
. Use the scroll
keys to select the number of times to
run the sequence:
•
•
AUTO SEQ PGM
Sequence 1
or
. Use the scroll
keys to select the Set Repeat #
option.
7
10
ERROR MSGS
or
. Use the scroll
keys to select a sequence to work
with.
5
9
You Will See
Run XXXX
Once will run the sequence once.
2 to 9999 times will run the sequence
the specified number of times.
Forever will run the sequence forever.
ENTER
Edit Sequence
The sequence’s repeat times has
now been changed. Select another
sequence to work with or escape by
pressing
EXIT
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Operation
Power Supply Operation
Editing When steps are programmed to advance step by trigger, this option allows you to edit
Trigger the source of those trigger events.
Source of a
Sequence To edit the sequence’s trigger source:Using Auto Sequencing
Step # Do This
1
MENU
2
3
ENTER
4
ENTER
6
ENTER
8
MENU
.
•
•
•
AUTO SEQ PGM
Sequence 1
Sequence #
Edit Sequence
Trig Source
Trig From Man
or
. Use the scroll
keys to select the trigger source:
•
96
6 times or
or
. Use the scroll
keys to select the Trig Source
option.
7
10
ERROR MSGS
or
. Use the scroll
keys to select a sequence to work
with.
5
9
You Will See
Trig from ###
Man is triggered by pressing the
trigger key.
Ext is triggered by the rear external
trigger line.
Imm is triggered by receiving an
INIT:IMM command
Bus is triggered by a GPIB GET
command or a *TRG command.
ENTER
Edit Sequence
The sequence’s trigger source has
now been changed. Select another
sequence to work with or escape by
pressing
EXIT
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Operation
Power Supply Operation
Using Auto Auto Sequence programs can be set to run as a Power ON default or recalled from
Sequencing memory by pressing the RECALL key. In Auto Sequence mode, 3 of the function
keys operate as alternates:
•
•
•
VOLTAGE operates as RUN/PAUSE.
CURRENT operates as TRIGGER.
STORE operates as END.
In the following discussion about running programs in Auto Sequence mode, each
of the keys mentioned above is referred to as their alternate function.
When an Auto Sequence program is launched from Recall, the AUTO SEQ
annunciator illuminates on the front panel. Press EXIT to return the unit to normal
operating mode.
Auto sequence programs can operate 3 different ways:
•
•
•
They can run automatically through a series of steps, repeating those steps a
pre-set number of times if necessary, and complete their operation without
intervention from an operator.
They can run automatically and be paused. If you need to stop the program
temporarily, you can press PAUSE to stop it, and then press RUN to resume the
program’s operation when ready. When a sequence is manually paused, the
Pause annunciator is illuminated. (The output remains on and voltage may be
present at the output.)
They can run automatically programmed to wait for a trigger at certain points in
the sequence. If you want the program to resume, you can press TRIGGER or
supply a trigger signal to the rear panel Trigger input. When a sequence is paused
by a trigger, the Trigger? annunciator is illuminated.
During operation, press the Up key to display information on the currently running
sequence including sequence number, step number, step parameters (settings), the
trigger source, as well as the loop count.
To run an auto sequence program:
Step # Do This
You Will See
1
RECALL
4 times
2
ENTER
Auto Seq 1
3
ENTER
Seq 1 ready
4
RUN
Auto Sequence
#####V #####A
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Operation
Power Supply Operation
Configure The DISPLAY CONFIG menu option allows you to select the readback values
Display displayed when the power supply is operating in its default state.
The factory default is to display voltage and current readback, but you can also
choose voltage and power, current and power, or voltage, current, and power.
This table shows how to access and work with the DISPLAY CONFIG option.
Step # Do This
You Will See
1
MENU
2
3
ENTER
Show V, I & P
Show V and I
4
5
ERROR MSGS
until you see the “DISPLAY
CFG” option1
Using the arrow keys, select
from Show V and I, Show V and P,
Show I and P, Show V, I, & P2.
DISPLAY CFG
The setting is saved.
ENTER
1. You can also press MENU repeatedly to bring up the Display Config option.
2. The option, Show V, I, & P is not available in current share mode.
Lock Out The KNOB LOCKOUT menu option allows you to lock the front panel knobs,
Control forcing changes to be made via the VOLTAGE and CURRENT keys. Knobs should
Knobs be locked out whenever you do not want someone to accidentally adjust the supply
settings while the unit is operating in local mode.
To lock out both knobs:
Step # Do This
98
You Will See
1
MENU
2
3
ENTER
Lock V Knob? N
4
Lock V Knob? Y
5
ENTER
6
Lock I Knob? Y
7
ENTER
The setting is saved and the display
returns to its default operating mode.
ERROR MSGS
until you see the “KNOB
LOCKOUT” option
KNOB LOCKOUT
Lock I Knob? N
The Voltage knob is locked out.
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Operation
Power Supply Operation
If you attempt to use either knob, the display shows Knobs Locked, and there is
no effect on the output.
To lock out only the Voltage knob:
Step # Do This
You Will See
1
MENU
2
3
ENTER
Lock V Knob? N
4
Lock V Knob? Y
5
ENTER
6
ENTER
ERROR MSGS
until you see the “KNOB
LOCKOUT” option
KNOB LOCKOUT
Lock I Knob? N
The Voltage knob is locked out.
The Current knob is not locked out.
This setting is saved, and the display
returns to its default operating mode.
If you attempt to use the Voltage knob, the display shows V Knob Locked, and
the output is not affected. If you attempt to use the Current knob, the knob operates
normally. You can also lock the Current knob without locking the Voltage knob. To
unlock the knobs, repeat the steps above, and select N for Lock _ Knob?
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Operation
Power Supply Operation
Set V, I, and P The voltage, current and power setpoints can be limited to less than the supply rating
Limits range to match the tolerance of connected equipment or any other criteria you may
have.
You can control the voltage, current and power setpoint limits through the SETPT
LIMIT menu option. Once the limits have been changed from the supply’s default
rated output, settings outside this range are no longer accepted.
Note Setpoint limits do not apply to the triggered outputs and auto sequence outputs.
To set the voltage limits:
Step # Do This
You Will See
1
MENU
2
3
ENTER
Voltage Limit
4
ENTER
High 0V
5
6
ERROR MSGS
until you see the “SETPT
LIMIT” option
Use the Voltage knob, arrow keys,
or numeric keypad to enter a value.
The value must be within 0V to
103% of the unit’s rated voltage.
ENTER
SETPT LIMIT
High #####V
Low 0V
The Maximum setting is saved and the
Minimum setting appears.
7
8
100
Use the Voltage knob, arrow keys,
or numeric keypad to enter a value.
The value must be within 0V to
103% of the unit’s rated voltage.
ENTER
Low #####V
The setting is saved and the display
returns to its default operating mode.
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Operation
Power Supply Operation
To set the current limits:
Step # Do This
You Will See
1
MENU
2
3
ENTER
Voltage Limit
4
Current Limit
5
ENTER
High 0A
6
7
ERROR MSGS
until you see the “SETPT
LIMIT” option
Use the Current knob, arrow keys, or
numeric keypad to enter a value. The
value must be within 0A to 103% of
the unit’s rated current.
ENTER
SETPT LIMIT
High #####A
Low 0A
The Maximum setting is saved and
the Minimum setting appears.
8
9
Use the Voltage knob, arrow keys, or
numeric keypad to enter a value. The
value must be within 0A to 103% of
the unit’s rated current.
ENTER
Low #####A
The setting is saved and the display
returns to its default operating mode.
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Operation
Power Supply Operation
To set the power limit:
Step # Do This
1
MENU
2
3
ENTER
4
5
ENTER
6
7
You Will See
ERROR MSGS
until you see the “SETPT
LIMIT” option
SETPT LIMIT
Voltage Limit
2 times
Use the Voltage and Current knobs,
arrow keys, or numeric keypad to
enter a value. The value must be
within 0W to 103% of the unit’s rated
power.
ENTER
Power Limit
High #####W
High #####W
Low #####W
The Maximum setting is saved and
the Minimum setting appears.
8
9
Use the Voltage knob, arrow keys, or
numeric keypad to enter a value. The
value must be within 0W to 103% of
the unit’s rated power.
ENTER
Low #####W
The setting is saved and the display
returns to its default operating mode.
Slew Rate The slew rate is calculated as a function of change in the output voltage and a given
time interval. The maximum slew rate is 1% rated voltage/150us. The slew rate is
saved upon power off and restored at power on. Output ON/OFF and shutdown are
not affected by the programmable slew rate. These functions have a slew rate of
1%/20ms.
The range of output voltage is 5% - 0.1% of rated voltage.
The range of time interval is 1.5 s - 150 us.
The negative slew rate is limited by the discharge rate of the output capacitors.
During current share, slaves operate with their default slew rate. The master operates
at its programmed slew rate. Hence a programmable slew rate for the system is
achieved. However, this slew rate is limited by the speed of the control loop. The
slaves will return to their programmed slew rate when they exit current share slave
operation.
102
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Operation
Power Supply Operation
The slew rate error increases as the slew rate increases.
Selecting SLEW RATE from the main menu will give you two choices:
Voltage slew - adjust the voltage slew rate
Voltage default - restore the default voltage slew rate
Selecting VOLTAGE DEFAULT will return the slew rate to the default value of
1% rated voltage per 150us.
To set the slew rate:
Step # Do This
1
2
MENU
Use the scroll keys to get the SLEW
RATE menu.
You Will See
ERROR MSGS
SLEW RATE
3
ENTER
Voltage slew
4
ENTER
dV:
0.100 V
dV:
1.000 V
dt:
150 us
dt:
1000 us
5
6
7
8
Enter the desired voltage step.
Allowable range is 0.1% to 5% rated
voltage.
ENTER
Enter the time interval. The range is
150 us to 1.5 s.
ENTER
The combination must not exceed 1%/30us. Though the software will attempt to
achieve higher slew rates, it is limited to this value by hardware constraints. The
power supply slew rate cannot be faster than the rise and fall times given in the
product specifications on page 228. Manufacturer's recommendation is to keep the
slew rate at or below the default value.
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Operation
Default Display
View Model The MODEL INFO menu option displays hardware and software information
Information including:
•
•
•
•
•
•
•
Manufacturer (Xantrex)
Model description (e.g. XDC 60–100)
Voltage and current ratings (60 V 100 A)
ROM version (e.g. ROM Ver. 5.000)
FPGA version (e.g. FPGA Ver. A007)
SCPI version supported (e.g. SCPI 1997.0)
Serial number
To access and work with the View Model Information option:
Step # Do This
1
MENU
2
3
ENTER
You Will See
ERROR MSGS
1 time
MODEL INFO
Xantrex
Press Up or Down arrow keys to
cycle through Model Information.
Default Display
The default display normally shows the readback of the voltage and current output.
(To change the display to show voltage and power, or current and power, or voltage,
current, and power, see “Configure Display” on page 98.) The display also shows the
Regulation mode, CV, CC, or CP. Bar graphs represent the percentage of full
voltage, current, and power being output by the supply.
View Power To see the present power output in watts, press the Up arrow key. The output power
Output appears on the display. After a few seconds, the display shows the voltage and
current output again.
Monitor The front panel display has a large number of indicators and annunciators. See
Status “Display” on page 28 and “Status Annunciators” on page 28.
104
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Section 4. Remote Operation
Overview
This chapter is divided into 3 main parts:
•
•
•
“Remote Analog Operation” on page 108 provides an overview of how to use
remote analog control
“Multichannel Operation (6000 Watt only)” on page 113 gives information on
the setup and use of Multichannel functionality
“RS-232 Operation” on page 118 explains how to send commands to the power
supply using the SCPI programming language
In addition to front panel operation, the power supply can be operated remotely
through the following interfaces:
•
•
•
•
Analog 0 to 5V, 0 to 10V
RS-232
GPIB (with optional GPIB/CANbus card, only available for 6000 Watt units)
Multichannel (with optional GPIB/CANbus card, only available for 6000 Watt
units)
The connecting ports for these interfaces are shown in, Figure 1.6 and Figure 4.1.
The remote interfaces (except for the analog programming interface) accept
commands in 2 formats: IEEE 488.2 common commands and SCPI commands.
SCPI commands that are aliases for the IEEE 488.2 common commands have been
provided for use over the multichannel interface.
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Remote Operation
Overview
The IEEE 488.2 common commands that are supported are:
*CLS
*ESE
*ESE <enable_mask>
*ESR?
*IDN?
*OPC
*OPC?
*OPT
*PRE?
*PRE <enable_mask>
*PSC?
*PSC
<on_off_state>
*RCL
<user_setting>
*RST
*SAV
<user_setting>
*SDS
*SRE?
*SRE
<enable_mask>
*STB
*TRG
*TST?
*WAI
For a detailed listing of all SCPI commands, see Appendix B, Table B.1 to Table
B.14.
Before using a SCPI command, familiarize yourself with the information in “Using
SCPI Commands” on page 195.
106
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Remote Operation
Making Connections for Remote Control
Making Connections for Remote Control
See Figure 4.1 for the locations of the RS-232, GPIB and CANbus connectors and
the locations and the pin numbers of the User Lines and the Analog Programming
Lines. GPIB and CANbus are optional.
Figure 4.1 View of Remote Interface Connections
Removable mating connectors are supplied for the user lines and program lines,
while the mating connectors and cables for the other ports are supplied by the user.
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Remote Operation
Remote Analog Operation
Remote Analog Operation
Analog The analog interface has 2 ports: the user lines and the analog programming lines.
Connections The tables below show the function and power flow for each pin on these ports.
The user lines are optically isolated. The output lines are open collector
configuration. The input lines are capable of sinking 10mA (with recommended 5V
at input) up to a maximum 90mA.
The analog program and monitor lines are fully isolated from the supply output, but
not each other. Use precision variable low noise voltage sources for the program
lines, and be sure that the program source ground potential is the same as on the
analog readback circuitry.
The external analog monitoring circuitry must be high impedance because the
onboard V and I readback sources have approximately 300 ohms output impedance.
Connect your program and readback lines to the removable wire clamp connectors
marked “user lines” and “program lines” in Figure 4.1. Strip 0.2” (5mm) of
insulation from the wires and clamp securely at the appropriate pin. See Table 4.1,
Figure 4.1 and Table 4.2 for the location and function of each connector.
Use shielded twisted pairs of 22–24AWG for signal connections.
Pin Connections
Table 4.1 User Line Pins
108
Pin #
Function
Input/Output
A1
Aux Status Line A
Output
A2
Aux Status Line B
Output
A3
External Trigger 4–12V
Input
A4
Safety Interlock
(Shutdown) 4–12V
Input
A5
Safety Interlock
(Shutdown) GND
Input
A6
User Power, 5–12Vdc
Input
A7
User Ground
Input
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Remote Operation
Remote Analog Operation
CHASSIS POTENTIAL
ISOLATED USER LINES
CNY17-2
USER LINES
CNY17-2
508 Ohm
0.4W
CNY17-2
508 Ohm
0.4W
CNY17-2
Vf = 1.3V TYP, 1.5V MAX
If = 10mA Recommended, 90mA MAX
Figure 4.2 Schematic For User Line Interface
Table 4.2 Analog Programming Pins
Pin #
Function
Input/Output
B1
Analog Programming (GND)
Output
B2
12V (unregulated) 10mA max
Output
B3
Voltage Setpoint (0–5/10V)
Input
B4
Current Setpoint (0–5/10V)
Input
B5
Voltage Readback (0–5/10V)
Output
B6
Current Readback (0–5/10V)
Output
The analog setpoint and readback pins may be configured to work in either a 0–5V
range or 0–10V range.
The programming lines have their own isolated power source (10mA max), and this
power can be looped back to power the user lines, if required. Connect the pins as
shown in Table 4.3.
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Remote Operation
Remote Analog Operation
Table 4.3 Analog Pin Connections for Power Loop Back
Programming Line Pin #
User Line Pin #
B1
to
A7
B2
to
A6
Remote Interlock Using a Contact Closure
The interlock input may be configured for use with an external voltage free contact.
Connect pins as shown:
Table 4.4 Analog Pin Connections with a Contact Closure
Programming Line Pin #
User Line Pin #
B2
to
A4
B1
to
A5
Closing an external contact across the interlock pins A4/A5 will then enable the unit.
Opening the contact will disable the supply output.
Configure You may configure the analog programming lines to work in either a 0 to 5V range
Analog or a 0 to10V range. You may also select whether the voltage, current or both are
Control controlled with the programming lines. If you select only voltage or only current, the
other will be controlled via the front panel.
Front Panel
First, configure the analog programming lines.
Step # Do This
You Will See
1
MENU
2
3
ENTER
RS-232 Cfg
4
Analog Cfg
5
ENTER
6
ERROR MSGS
5 times1
REMOTE CONFIG
Input 0-5V
or
0-5V or
0-10V
Select the input range.
7
ENTER
Setting is saved and menu is exited.
1. You can also press MENU 5 times.
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Remote Operation
Remote Analog Operation
Next select analog programming as the remote control interface.
Your options are
•
•
•
Analog V & I - voltage and current programmed via the analog interface
Analog V - voltage programmed via the analog interface; current set via front panel
Analog I - current programmed via the analog interface; voltage set via front panel
Step # Do This
1
MENU
2
3
ENTER
4
You Will See
ERROR MSGS
4 times
RS-232
or
Select desired option.
5
REMOTE SELECT
ENTER
Analog V&I,
Analog V, or
Analog I
Setting is saved.
Press the LCL/RMT button to begin remote operation via the analog interface.
SCPI
To select which setpoints to control via analog programming lines, use the
command:
SYST:REM:SOUR {AVOL|ACUR|AVC}
Where
•
•
•
AVOL (Analog VOLtage) selects only voltage to be programmed via the analog
programming lines
ACUR (Analog CURrent) selects only current to be programmed via the analog
programming lines
AVC (Analog Voltage and Current) selects voltage and current to be programmed
via the analog programming lines
To select the voltage level:
SYST:COMM:APR:LEV {5|10}
Where
“5” is the 0-5V range, and
“10” is the 0-10V range
To put the unit into remote control:
SYST:REM:STAT REM
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Remote Operation
Remote Analog Operation
Using
Remote
Analog
Control
Connect your programming voltage sources and monitors, ensuring that the
appropriate 0– 5V or 0–10V range has been configured and selected. (See page 75.)
With the Analog Control mode selected, varying the programming source from 0 to
5V (or 10) will vary the output voltage or current from 0 to its rated maximum. A
voltage in the range of 0–5V (or 10) on the corresponding monitor line is
proportional to 0–100% of the rated output.
The output V and I readback lines are active for all operating modes as are the user
interface lines. The analog programming inputs are active only when selected using
the procedure in “Select Remote Control Source” on page 75. You can select analog
remote control or either the output voltage or current, or both. When only voltage or
current is being remotely controlled, the other setpoint is under front panel local
control.
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Remote Operation
Multichannel Operation (6000 Watt only)
Multichannel Operation (6000 Watt only)
Multichannel Multichannel operation is only available for 6000 Watt units. You may remotely
Connections control up to 50 power supplies from one programming interface (RS-232 or GPIB)
by using multichannel addressing if the CANbus option is installed.
One power supply will be connected to a PC via RS-232 or GPIB. All other power
supplies are connected via CANbus (Controller Area Network) to that unit. SCPI
commands that include a channel address will be sent via the CANbus to the other
power supplies. (Commands with the local address will be executed locally and will
not be sent).
The multichannel address must be appended to the program mnemonic. If no
multichannel address is appended to the program mnemonic, the command is
executed by the local (directly connected) power supply.
Each unit of the network can send and receive commands to and from other units on
the network. It is highly recommended that only one command be sent at a time. Any
RS-232 and GPIB timeout settings should be increased when using multichannel
commands.
CANbus
The CANbus port is a one male, one female DB9 connector to support “daisy chain”
connections. The CAN (Controller Area Network) is an ISO standard (ISO11898)
for a serial communication network. Table 4.5 describes the pin functions. Pins 1, 4,
8, and 9 are not used. The CANbus is used for communications in multichannel
operation or current sharing (master/slave) operation, and is part of the optional
GPIB/CANbus interface card.
Table 4.5 CANbus Pins
Pin #
Function
1
Not used
2
CANLO
3
Ground
4
Not used
5
Ground
6
Ground
7
CANHI
8
Not used
9
Not used
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Remote Operation
Multichannel Operation (6000 Watt only)
Configuration Before connecting a power supply to a multichannel network, you must configure
each power supply with a unique address. The front panel or a remote interface
maybe used to do this.
One power supply must be configured to operate via RS-232 or GPIB.
Front Panel
1. Select the "REMOTE CONFIG" menu
2. Select the "Multichnl Cfg" menu. Press ENTER.
3. When prompted with "Addr" enter a unique network address in the range 1–50.
Press ENTER
To receive and execute commands:
1. Select the "REMOTE SELECT" menu, then select "Multichannel" from the
list. Press ENTER.
SCPI
Set a slave's multichannel address using the command:
SYSTem:COMMunicate:MCHannel:ADDRess
<multichannel-address>
where multichannel-address is an integer in the range of 1-50, and the command is
sent via a controller directly connected to the slave’s RS-232 port.
If the unit is to execute commands, set the power supply to accept control via
multichannel commands (the CANbus interface) with the SCPI command:
SYSTem:REMote:SOURce MCHannel
Setup 1. Connect power supplies to be controlled via the CANbus network. Parallel male
DB9 to female DB9 cables (N-1) are required. Connect the power supplies in
series, linking the first power supply to the second using one cable, and then the
second to the third using a second cable and the second CAN port. A single
ribbon cable with multiple connectors may be used instead of several cables for
ease of connection. Terminate the bus at both ends with 120 ohm, 1/4 Watt
resistors (included) across the CAN HI and CAN LO signals (Pins 2 and 7). See
Table 4.5, “CANbus Pins,” on page 113.
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Remote Operation
Multichannel Operation (6000 Watt only)
2. At least one power supply should be connected to a PC via RS-232 or GPIB for
multichannel functionality. Configure each of the power supplies with a unique
address, as described in the configuration section. Addresses may be in the range
1 to 50 inclusive.
3. Turn the power supplies on one at a time, setting the remote control source of
each power supply which will accept commands to "multichannel."
See Figure 4.3.
Figure 4.3 Connections for Multichannel Operation
Using Once the power supplies have been configured and connected, you may power them
Multichannel on.
Operation
Power supplies controlled via multichannel have full capabilities, including
changing REM/LCL modes and calibration.
Any power supply may send multichannel commands, if they are connected to a PC
via RS-232 or GPIB.
A power supply will attempt to connect to the network:
•
•
on power up, and
when the multichannel address is changed.
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Remote Operation
Multichannel Operation (6000 Watt only)
Note that slave units have an automatic readdressing capability when in multchannel
mode. A slave unit will attempt another address when it is added to a string with an
address that is already taken. If no new address can be found then the following error
will be queued:
Error 1702, “Multichannel address taken” is queued if the power
supply fails to connect.
SCPI Remote Control (RCONtrol) subregister will indicate the status of the
connection. A power supply that has been disabled will not have any bits set. Use the
SCPI command:
STAT:OPER:RCON:COND?
to query the condition of the multichannel interface.
See Table 4.13, “Remote CONtrol Sub-Register,” on page 148 for a description of
the bits in this register.
Multichannel To send a command to a multichannel power supply, attach the channel address to
Commands the command. If no channel number is specified, the command will be executed by
the directly connected power supply.
For example, the command:
SOURCE12:VOLT 10.0
will set the power supply with address 12 to 10V output. The master receives the
command and puts in on the CANbus.
Appendix B. “SCPI Command Reference” lists all commands.
[<channel>]indicates where the multichannel address is to be inserted into the
command.
IEEE488.2 commands have been given an alias that is SCPI compliant if the
command is applicable to a power supply in multichannel operation. These
commands include *CLS, *IDN?, *OPT?, *RST, *TST?, *RCL, *SAV, *SDS, and
*WAI. See Table B.9, “System Commands,” on page 204.
Note The multichannel interface may not handle multiline response messages.
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Remote Operation
Multichannel Operation (6000 Watt only)
Multichannel Add a suffix of "0" to simultaneously broadcast the "command" to the master and all
Broadcast other units on the CANbus. Only commands are allowed, queries are not allowed.
Commands Note that there will be a lag in execution time between the local unit and all other
units of up to a maximum of 20 ms. For example:
SOURCE0:VOLT 10.0
will set all units in a multichannel string to 10.0 V
Specifications
Max connected units
50
Max cable length
40 m
Bus speed
700 kbits/sec
Termination
120 ohm 1/4 W
Connections
parallel male DB9 to female DB9 cable
Addresses
1 to 50
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Remote Operation
RS-232 Operation
RS-232 Operation
RS-232 Use a standard null modem cable to connect the power supply to the host interface.
Connection The RS-232 port is a standard male DB9 connector. Table 4.6 describes the pin
functions. Pins 1, 4, 6, and 9 are not used.
Table 4.6 RS-232 Pins
Pin #
Function
1
Not used
2
Receive
3
Transmit
4
Not used
5
Ground
6
Not used
7
Ready to Send (RTS)
8
Clear to Send (CTS)
9
Not used
Configuration Front Panel
First set the RS-232 parameters:
Step # Do This
You Will See
1
MENU
2
3
ENTER
RS-232 Cfg
4
ENTER
Baud 9600
5
ERROR MSGS
5 times
or
REMOTE CONFIG
Baud #####
Select the baud rate.
6
ENTER
7
Flow Ctl None
or
Select the flow control option.
8
118
ENTER
Options are
None = no flow control
Hdwr = CTS/DTS hardware
handshake
XON = software, XON/XOFF
characters used
Settings are saved.
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Remote Operation
RS-232 Operation
Next, select RS-232 as the remote control interface.
Step # Do This
1
MENU
2
3
ENTER
4
ENTER
You Will See
ERROR MSGS
4 times
REMOTE SELECT
RS-232
RS-232 setting is saved.
Press the LCL/RMT button to begin remote operation via the RS-232 interface.
SCPI
Set the band rate:
SYST:COMM:SER:BAUD {1200 | 2400 | 4800 | 9600 | 19200 |
38400}
Select flow control:
SYST:COMM:SER:PACE {HARD | XON | NONE}
Where
•
•
•
HARD means hardware flow control
XON means XON/XOFF characters are used
NONE means no flow control
Select RS-232 to be the remote control source:
SYST:REM:SOUR RS232
Put the unit into remote operation:
SYST:REM:STAT REM
Using RS-232 Use any terminal emulation program to send commands to the power supply.
To change between remote and local modes, press the LCL/RMT button or the
command:
SYST:REM:STAT {REM | LOC | RWL}
If you are in local mode, you may still communicate receive responses to queries, but
you may not change any settings. Attempting to do so will cause Error -221,
"Settings conflict".
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Remote Operation
GPIB Operation
GPIB Operation
GPIB The GPIB port is a special GPIB female connector. Table 4.7 describes the pin
Connection functions. Pin 12 is not used.
Table 4.7 GPIB Pins
120
Pin #
Function
1
D1
2
D2
3
D3
4
D4
5
EOI
6
DAV
7
NRFD
8
NDAC
9
IFC
10
SRQ
11
ATN
12
Not used
13
D5
14
D6
15
D7
16
D8
17
REN
18
Ground
19
Ground
20
Ground
21
Ground
22
Ground
23
Ground
24
Ground
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Remote Operation
GPIB Operation
Configuration Configure the power supply’s GPIB address and power-on service request setting.
The defaults are GPIB address 2 and power-on service request off.
Front panel
First set the GPIB parameters:
Step # Do This
1
MENU
2
3
ENTER
4
5
You Will See
ERROR MSGS
5 times
RS-232 Cfg
2 times
Select an address from 1-30
ENTER
7
GPIB Addr 2
PON SRQ? Y
or
Select whether power-on service
request is to be sent.
8
GPIB Cfg
GPIB Addr ##
ENTER
6
REMOTE CONFIG
Options are
Y (Yes) or
N (No)
Settings are saved.
ENTER
Next, select GPIB as the remote control interface.
Step # Do This
1
MENU
2
3
ENTER
4
You Will See
ERROR MSGS
4 times
REMOTE SELECT
RS-232
or
GPIB
Select GPIB.
5
ENTER
GPIB setting is saved.
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GPIB Operation
SCPI
To set up GPIB control parameters:
SYST:COMM:GPIB:ADDR <GPIB-address>
where
•
the GPIB address may be in the range 1 to 30.
To configure the unit to generate a power-on service request:
SYST:COMM:GPIB:PONS {ON | OFF}
To select GPIB as the remote control source:
SYST:REM:SOUR GPIB
Using GPIB Sending a GPIB command should put the power supply in remote mode with the
RMT annunciator lit.
Refer to the manual for your GPIB interface card. Commands to change remote and
local mode will be specific to that card.
Press the LCL/RMT button to return to local mode, except if the power supply is in
LLO (local lockout) state.
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Remote Operation
SCPI Commands for Digital Interfaces
SCPI Commands for Digital Interfaces
These SCPI commands are for use with GPIB, RS-232 and Multichannel remote
digital interfaces.
Set Up Power For a complete list of commands and remote functionality, see Appendix B, “SCPI
ON Defaults Command Reference”.
The Power On configuration can be set with one of 4 options:
•
•
•
•
Factory Preset: The output is reset to the original factory levels at power on.
Last Setting: The output is set to the same levels as when it was last powered
OFF.
User Settings: The output is set to a stored setting that is recalled from memory.
See “Store User Settings” on page 77.
Auto Sequence: The output is controlled by a program that is recalled from
memory. See “Auto Sequencing” on page 136.
All these options can be accessed from the Front Panel menus, or remotely through
a set of digital commands. The instructions that follow show how to work remotely
through SCPI commands.
Refer to Table 3.1, “Settings Affected by Recall,” on page 81 for more details.
Factory Preset
Selecting Factory Preset lets you restore the factory defaults the next time the
power supply is powered ON.
To power on factory settings:
OUTP:PON:REC PRES
To check the current user setting:
OUTP:PON:REC?
The response should be PRES, which stands for PRESet.
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SCPI Commands for Digital Interfaces
Last Setting
Selecting Last Setting lets you restore the settings that are in use when the power
supply is powered off, the next time it is powered on.
To power on the last stored setting:
OUTP:PON:REC LAST
To check the current user setting:
OUTP:PON:REC?
The response should be LAST.
User Setting
Selecting User Setting lets you restore a custom setting next time the unit is powered
on. This assumes that at least one user setting has been set up and stored in memory.
See “Store User Settings” on page 77.
To power on user setting #1:
OUTP:PON:REC USER1
To check the setting:
OUTP:PON:REC?
The response should be USER1.
The user setting must be in the range of 1–10. See “Store User Settings” on page 127
for an explanation of how to save user settings.
Auto Sequence
Selecting Auto Sequence lets you recall a stored program next time the unit is
powered ON. This assumes that at least one program has been created and stored in
memory. See “Editing Trigger Source of a Sequence” on page 96 for more
information. See for information about remotely programming and running auto
sequence programs.
To reset to user setting #1:
OUTP:PON:REC SEQ1
To check the setting:
OUTP:PON:REC?
The response should be SEQ1.
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Remote Operation
SCPI Commands for Digital Interfaces
Power On You may also change the output state whether the output is enabled or disabled at
Output State power on.
To change the power on at output state:
OUTP:PON:STAT [ON|OFF|1|0]
To check the setting:
OUTP:PON:STAT?
Reset
Resetting the unit puts certain features to a known state. These states are listed in the
table below.
To reset the unit:
*RST or SYST:RES
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SCPI Commands for Digital Interfaces
Table 4.8 Features Affected by Reset (*RST) Command
Feature
Reset State (*RST)
Voltage setpoint
0.0V
Current setpnoint
0.0A
Power setpoint
103% of power rating
Low voltage setpoint limit 0.0V
High voltage setpoint limit 103% of voltage rating
Low current setpoint limit
0.0A
High current setpoint limit 103% of current rating
Low power setpoint
3% of power rating
High power setpoint
103% of power rating
Over voltage protection
Disabled (0.0V)
Under voltage protection
Disabled (0.0V) and not shutdown when tripped
Over current protection
Disabled (0.0A) and not shutdown when tripped
Under current protection
Disabled (0.0A) and not shutdown when tripped
Over power protection
Disabled (0.0W) and not shutdown when tripped
Under power protection
Disabled (0.0W) and not shutdown when tripped
Fold shutdown protection None and delay 0.5s
AC off shutdown recovery Autorecover
Over temperature
shutdown recovery
Latched
Triggered voltage
setpoint
Disabled (Default)
Triggered current setpoint Disabled (Default)
Triggered power setpoint
Disabled (Default)
Autosequence mode
Exit
Front panel display config Show V & I
126
Knob lockout
None
Calibration mode
False
Output
Disabled
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Remote Operation
SCPI Commands for Digital Interfaces
Store User If you have a frequent or constant need for a specific voltage and current output, you
Settings can save these setpoints in the power supply’s memory as a user setting. Once a
setting is stored, it remains in the power supply’s memory after the unit is powered
off.
See “Store User Settings” on page 77 for a list of parameters that are saved.
To store (save) settings:
*SAV <user-setting>
Example:
*SAV 1 will save all the present settings to user setting location 1.
To recall settings:
*RCL <user-setting>
To save default settings:
*SDS <user-setting>
This will save factory default settings to a user setting location, replacing any setting
that was previously saved there.
Example:
To save settings, set up the power supply with all required settings (we recommend
that you do this right after recalling the factory default settings).
For example, you can set voltage, current, and all protection levels.
Then to save the settings to Location 1: issue the command *SAV 1
When you want to recall the settings, issue the command *RCL 1. If you want to
recall them at the next power on, issue the command OUTP:PON:REC USER1
To recall last settings:
If you wish to recall the settings present when the supply was last powered off, send
the command:
SYST:REC:LAST
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SCPI Commands for Digital Interfaces
Change A SCPI command is provided for use with the RS-232 and multichannel interfaces
Remote/Local to change the remote/local mode. (GPIB will use IEEE 4888-1 functions to change
Control of modes.)
Power Supply
SYST:REM:STAT {LOC|REM|RWL}
Where:
•
•
•
LOC: go to local mode operation
REM: go to remote mode operation
RWL: remote with local lockout. Go to remote mode operation with local mode
locked out. With RWL set, the user cannot return to local mode via the front
panel.
To query to remote mode:
SYST:REM:STAT?
Enable To enable or disable the output:
Output OUTP {ON|OFF}
To query the state of the output enable:
OUTP?
Program V,I,P SCPI
To change setpoints:
SOUR:VOLT <voltage>
SOUR:CURR <current>
SOUR:POW <power>
To check setpoints:
SOUR:VOLT?
SOUR:CURR?
SOUR:POW?
To set a triggered setpoint:
SOUR:VOLT:TRIG <voltage>
SOUR:CURR:TRIG <current>
SOUR:POW:TRIG <power>
See “Triggering Commands” on page 136 for more information.
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SCPI Commands for Digital Interfaces
To check a triggered setpoint:
SOUR:VOLT:TRIG?
SOUR:CURR:TRIG?
SOUR:POW:TRIG?
To set limits:
SOUR:VOLT:LIM:HIGH <voltage>
SOUR:VOLT:LIM:LOW <voltage>
SOUR:CURR:LIM:HIGH <current>
SOUR:CURR:LIM:LOW <current>
SOUR:POW:LIM:HIGH <power>
SOUR:POW:LIM:LOW <power>
If the high end of the range was set to 5 volts, the command, SOUR:VOLT 10 would
return an error.
To check ranges:
SOUR:VOLT:LIM:HIGH?
SOUR:VOLT:LIM:LOW?
SOUR:CURR:LIM:HIGH?
SOUR:CURR:LIM:LOW?
SOUR:POW:LIM:HIGH?
SOUR:POW:LIM:LOW?
Example:
To set voltage to 5.5V and current limit to 100A, send the command:
:VOLT 5.5; :CURR 100
Then check the output:
MEAS:VOLT? 5.500 (example readback, default unit V)
MEAS:CURR? 0.010 (example readback, default unit A)
MEAS:POW? 0.005 (example readback, default unit W)
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Configure V, I, Over-Voltage Protection
P Protection
Limits To set the Over-Voltage Protection level:
SOUR:VOLT:PROT <voltage>
To check the Over-Voltage Protection level:
SOUR:VOLT:PROT?
To check if the Over-Voltage Protection was tripped:
SOUR:VOLT:PROT TRIP?
Alternatively, you can query the status registers. See Appendix B.
Under-Voltage Protection
To set the Under-Voltage Protection level:
SOUR:VOLT:PROT:UND <voltage>
SOUR:VOLT:PROT:UND:STAT <on-off-state>
The first UVP protection command sets the protection level. The second command
lets you choose a warning alarm only [OFF] or shut down with an alarm [ON] if the
protection level is exceeded.
To check the Under-Voltage Protection level:
SOUR:VOLT:PROT:UND?
To check if the Under-Voltage Protection was tripped:
SOUR:VOLT:PROT:UND:TRIP?
Alternatively, you can query the status register. See Appendix B, “SCPI Command
Reference”.
Over-Current Protection
To
set the Over-Current Protection level:
SOUR:CURR:PROT <current>
SOUR:CURR:PROT:STAT <on-off-state>
The first OCP protection command sets the protection level. The second command
lets you choose a warning alarm only [OFF] or shut down with an alarm [ON] if the
protection level is exceeded.
To check the Over-Current Protection level:
SOUR:CURR:PROT?
To check if the Over-Current Protection was tripped:
SOUR:CURR:PROT:TRIP?
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SCPI Commands for Digital Interfaces
Under-Current Protection
To set the Under-Current Protection level:
SOUR:CURR:PROT:UND <current>
SOUR:CURR:PROT:UND:STAT <on-off-state>
The first UCP protection command sets the protection level. The second command
lets you choose a warning alarm only [OFF] or shut down with an alarm [ON] if the
protection level is exceeded.
To check the Under-Current Protection level:
SOUR:CURR:PROT?
To check if the Under-Current Protection was tripped:
SOUR:CURR:PROT:TRIP?
Over-Power Protection
To set the Over-Power Protection level:
SOUR:POW:PROT <wattage>
SOUR:POW:PROT:STAT <on-off-state>
The first OPP protection command sets the protection level. The second command
lets you choose a warning alarm only [OFF] or shut down with an alarm [ON] if the
protection level is exceeded.
To check the Over-Power Protection level:
SOUR:POW:PROT?
To check if the Over-Power Protection was tripped:
SOUR:POW:PROT:TRIP?
Under-Power Protection
To set the Under-Power Protection level:
SOUR:POW:PROT:UND <wattage>
SOUR:POW:PROT:UND:STAT <on-off-state>
The first UPP protection command sets the protection level. The second command
lets you choose a warning alarm only [OFF] or shut down with an alarm [ON] if the
protection level is exceeded.
To check the Under-Power Protection level:
SOUR:POW:PROT?
To check if the Under-Power Protection was tripped:
SOUR:POW:PROT:TRIP?
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SCPI Commands for Digital Interfaces
Configure Fold Protection
Other
Protection Fold protection causes the supply to shut down if the selected regulation mode is
Mechanisms entered. A delay time may be specified as well.
To set the fold mode:
OUTP:PROT:FOLD {CC|CV|CP|NONE}
Where:
NONE indicates fold protection is disabled.
CC indicates the supply will shut down due to constant current condition.
CV indicates the supply will shut down due to constant voltage.
CP indicates the supply will shut down due to constant power.
The default value is NONE.
To set the fold delay:
OUTP:PROT:FOLD:DEL <delay_time>
Where:
<delay_time> is a value in the range of 0–60 seconds.
Units may be specified as “ms” (milliseconds) “s” (seconds), or “min” (minutes). If
no units are specified, the default seconds are assumed. (Increments of 0.1s are
allowed.) The default value is 0.5 second.
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Remote Operation
SCPI Commands for Digital Interfaces
Over Temperature Protection
The user has the option of setting whether the over temperature protection (OTP)
mechanism is latched or automatically resumes operation. (The trip levels are
internally set and cannot be changed by the user.)
SENSE:TEMP:PROT:LATCH {ON|1|OFF|0}
Where:
ON or 1 means the supply will be latched in shutdown if OTP is tripped, until the
user clears the alarm and re-enables the output.
and
OFF or 0 means the supply will automatically resume operation when the
temperature drops to below the trip level.
The default value is ON.
To query if OTP has tripped:
SENSE:TEMP:PROT:TRIP?
AC Off Protection
The user has the option of setting whether the AC Off protection mechanism is
latched or automatically resumes operation.
SENSE:VOLT:AC:PROT:LATCH {ON|1|OFF|0}
Where:
ON or 1 means the supply will be latched in shut down if an AC Off condition occurs,
until the user re-enables the output.
and
OFF or 0 means the supply will automatically resume operation when the AC line
input returns to normal.
The default value is OFF.
To query if AC Off has tripped:
SENSE:VOLT:AC:PROT:TRIP?
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Clear To clear a protection mechanism that has tripped:
Protection OUTP:PROT:CLE
Event
This will clear all protection mechanisms and re-enable the output. If the condition
that caused the alarm still exists, the protection will be allowed to trip again.
View Power The following 3 commands query the voltage, current, or power being supplied at
Supply the output terminals.
Output
To measure the voltage output:
MEAS:VOLT?
To measure the current output:
MEAS:CURR?
To measure the power output:
MEAS:POW?
Configure To set up Auxiliary line A:
Auxiliary OUTP:AUXA:SOUR <aux-line-mnemonic>
Status Lines
The choices for <aux-line-mnemonic> include:
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
134
NONE
ON: Output On
OFF: Output Off
OVOL: Over-Voltage Condition
UVOL: Under-Voltage Condition
OCUR: Over-Current Condition
UCUR: Under-Current Condition
OPOW: Over-Power Condition
UPOW: Under-Power Condition
ACOF: AC Power had been turned off or failed
OTEM: Over-Temperature Condition
HTEM: High-Temperature Condition
SPR: Sense Protection Tripped
FOLD: Fold Protection Tripped
CC: Constant Current Mode
CV: Constant Voltage Mode
CP: Constant Power Mode
UNR: Output Unregulated
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Remote Operation
SCPI Commands for Digital Interfaces
To check the setting:
OUTP:AUXA:SOUR?
To set up Auxiliary line B:
OUTP:AUXB:SOUR <aux-line-mnemonic>
To set the polarity of the auxiliary status lines:
OUTP:AUXA:POL {HIGH|LOW}
OUTP:AUXB:POL {HIGH|LOW}
Where:
HIGH means that the logic of the output is active high. (That is, if the condition is
true, the line is pulled high.)
LOW means the logic of the output is active low.
The user can select polarity for either of the auxiliary lines.
To check the state of the line:
OUTP:AUXA:STAT?
This command returns a 1 or 0. If it returns a 1, this means that the status selected as
the auxiliary line mnemonic is true.
Read Error To read from the error queue:
Messages SYST:ERR?
This command returns an error code and message from the error queue. For example:
•
•
•
-315, “Configuration memory test”
-100, “Command error”
0, “No error”
The queue can store up to 50 error messages. See Appendix C, “Error Messages” for
descriptions of the messages.
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Triggering Triggers are event-driven signals that instruct power supplies to change their output.
Commands Triggering provides a method to control changes in the power supply’s output and to
program several power supplies to react at the same time. Triggering is useful in
manufacturing processes where power requirements change as the machinery
performs different operations.
CAUTION
Setpoint limits do not apply to triggered setpoints.
!
To program triggers:
1. Configure the desired output levels as a result of a trigger.
VOLTage:TRIGgered {<voltage>|MAX|MIN|DEF}
CURRent:TRIGgered {<current>|MAX|MIN|DEF}
POWer:TRIGgered {<power>|MAX|MIN|DEF}
The user can choose to set all or any one of voltage, current, and power triggered
levels.
DEF (DEFault) means that when a trigger is received, no change will occur.
2. Specify a trigger signal source.
TRIGger:SOURce {BUS|EXT|IMM|NONE} Where:
•
•
•
•
BUS means the trigger source is the IEEE 488.1 GET or “*TRG”
EXT means the source is the external trigger line
IMM means the trigger source is the SCPI command INIT:IMM
NONE means triggering is disabled. See , p. 109.
Auto Auto Sequencing allows users to program a sequence of steps. Each step has the
Sequencing properties of voltage, current, power limits, and OVP limit. The steps are either
programmed to run for a predetermined length of time or are programmed to pause
and wait for a trigger.
!
CAUTION
Setpoint limits do not apply to auto sequence programmed setpoints.
Programmed sequences can run one time only, or repeatedly up to 9999 times or
infinitely. You can store up to 10 sequences of 99 steps each. The duration of each
step may range from a minimum of 10 milliseconds to a maximum of 99 hours.
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Remote Operation
SCPI Commands for Digital Interfaces
Operation
Users can select and start a sequence, and while the sequence is running, pause or
end it. Users can press and hold the TRIGGER button to skip over steps that have a
set duration.
Commands are also available to let users run, pause, resume, and restart an
autosequence. A pause, or wait for trigger, causes the power supply to hold the
output at the programmed level until the appropriate signal to continue is received.
Editing
Users can delete single steps or entire sequences. If a step is deleted, the subsequent
steps will shift up. If a new step is inserted, the subsequent steps will shift down.
Remote programming of auto sequences has the same functionality as using the front
panel.
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SCPI Commands for Digital Interfaces
Programming Select Sequence to Program
Sequences
PROGram:NAME <sequence_number>
<sequence_number> is a number between 1 and 10 that corresponds to the
number of the sequence.
Define the name of the program to be selected. If <sequence_number> already
exists, then that existing program is selected. If the program name does not exist,
then the new name is selected, but no program is defined by this selection.
Editing the Sequence
To edit an existing step or to program new steps, use the following commands:
PROG:STEP<step_number>[:EDIT] [[[[[<voltage>]
,<current>],<power>],<OVP_level>],{<time>|TRIG}]
Any of the step parameters may be omitted, in which case the default parameters will
be used. The defaults are 0 V, 0 A, 0 W, 0 V, 10 ms.
To insert a step between commands in an existing program, use this command:
PROG:STEP<step_number>:INS <voltage>
,<current>,<power>,<OVP_level>,{<time>|TRIG}
The step number is where the inserted step is to be located. The existing step and all
following steps at that location are moved down.
In both the edit and insert commands:
•
•
•
<step_number> ranges from 1 to 99.
<time> defines the duration of the step and must be entered in the format
milliseconds. It ranges from 10ms to 99 hours.
TRIG may be entered instead of a step duration. In this case, the unit will hold
the output levels at that step until a trigger signal is supplied.
Setting Sequence Repetitions
PROG:REP {ONCE |<sequence_count>|FOR|INF}
•
•
•
138
ONCE will run the sequence once and return it to its STOP condition.
<sequence_count> ranges from 1 to 9999. It will run the sequence the
number of times specified before putting it into the STOP condition.
FORever and INFinity cause the sequence to repeat forever. A query will return
9.9E37, representing INFinity.
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SCPI Commands for Digital Interfaces
Selecting a Trigger Source
If any triggers are programmed into the sequence, select a trigger source:
PROG:TRIG:SOUR {BUS|MAN|EXT|IMM}
•
•
•
•
BUS - trigger signal is IEEE 488.1 GET or *TRG
MANual - trigger input is from the front panel TRIGGER key
EXTernal - The external trigger line is selected as the source.
IMMediate - The source is the SCPI command “INIT:IMM”
Editing Step Parameters
Commands are provided to edit only one of voltage, current, power, OVP level, step
duration, or end action.
•
•
•
•
•
Program step voltage: PROG:STEP<step_number>:VOLT <voltage>
Program step current: PROG:STEP<step_number>:CURR <current>
Program step power: PROG:STEP<step_number>:POW <power>
Program step OVP level: PROG:STEP<step_number>:OVP
<OVPlevel>
Program step time (duration): PROG:STEP<step_number>:DWEL
{<time>|TRIG}
To delete a step:
PROGram:STEP<step_number>:DELete
An error will result if the last step with the end action is deleted, without a new end
action programmed to take its place.
Deleting Sequences
If you no longer need a sequence, select it with the PROG:NAME command and then
delete it with the following:
PROGram:DELete
You can also use the following to delete all sequences:
PROGram:DELete:ALL
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Auto Select Sequence to Run
Sequence
Operation PROGram:NAME <sequence_number>
where <sequence_number> can range from 1 to 10.
Operation
Running
PROGram :STATe [RUN|PAUSe|STOP]
•
•
•
•
Once the programmed sequence has been selected, you can start it by setting the
state to RUN, by sending the command PROG:STAT RUN.
At any time you can pause the sequence by sending PROG:STAT PAUS.
A paused sequence will cause the supply to hold the output levels at the setpoints
programmed by the current step. To resume, set the state to RUN again.
To end the sequence operation, send the command PROG:STAT STOP.
Sending RUN will restart the auto sequence program from the first step.
You can query the state of the selected auto sequence program with
PROG:STAT?
Trigger
If the auto sequence was programmed to wait for a trigger, the power supply holds
the output levels at the programmed setpoints until a trigger is received. It then
advances to the next step. A trigger must come from the selected trigger source.
Skipping a Step
PROGram:STEP:NEXT
Querying Operation
PROGram:STEP:EXEC?
You can query the step number that is currently operating.
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Slew Rate The slew rate is calculated as a function of change in the output voltage and a given
time interval. The maximum slew rate is 1% V rating/150us. The slew rate is saved
upon power off and restored at power on. Output ON/OFF and shutdown are not
affected by the programmable slew rate. These functions have a slew rate of
1%/20ms. For more information on setting slew rates, see “Slew Rate” on page 102.
The SCPI commands for changing the voltage slew rate are:
:VOLT:SLEW:STEP {<slewrate-voltage> | MAX | MIN | DEF}
where voltage-step has the units V, mV, etc.
and the range is 0.1% to 5% of rated voltage.
default step is 0.1% of rated output voltage.
:VOLT:SLEW:INTerval {<slewrate-interval> | MAX | MIN | DEF}
where time interval has the units s, ms, or us
and the range is 150 us to 1.5s
default interval is 150us.
!
CAUTION
Check both the voltage step and the interval to ensure you get the required slew rate.
The combination must not exceed 1% V rating/150us. Though the software will
attempt to achieve higher slew rates, it is limited to this value by hardware
constraints. Manufacturer's recommendation is to keep the slew rate at or below the
default value.
Example:
Set a slew rate of 100V/10s for a 100V-60A power supply.
This slew rate is 1V/0.1s, which is within the acceptable range.
Send the commands:
":VOLT:SLEW:STEP 1", and
":VOLT:SLEW:INT 100ms"
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Identification The identification query command returns a string that states the manufacturer,
Query model, serial number, and firmware revision.
*IDN?
may return “Xantrex, XDC 60-100, 100000, 3.000/0/0/0000.
Option *OPT?
Identification
Query or
SYST[<channel>]:OPTion?
The option identification query returns a string listing any reportable options that are
installed in the power supply. Reportable options are GPIB and CANbus, but may
include others in the future. A zero will be returned if no options are installed.
Example:
*OPT? may return "GPIB, CANBUS" to indicate that both the GPIB and CANbus
(Multichannel/Current Share) options are installed.
SCPI Version SYST:VERS?
Query
will return the SCPI version to which the unit complies (for example 1997-0).
Status The Status Register structure is mandatory for SCPI and IEEE 488.2 compliance.
Registers The register bits are defined by the SCPI and IEEE 488.2 standards.
Each status register has a Condition, Event, and Enable register and transition filters.
See “Status Register Commands” on page 157 for commands to read or change their
values.
Condition Register
Transitions of the condition register are automatic and reflect the condition of the
instrument at the moment. Reading a condition register has no effect on the contents.
Event Register
The event register bits are set automatically to correspond with changes in the
condition register. The rules are dependent on the positive and negative transition
registers. Reading an event register clears it. The *CLS command clears all event
registers.
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SCPI Commands for Digital Interfaces
Enable Register
The enable register enables reporting of the event bits to the summary bit or the status
byte. The contents of the enable register are unchanged by *CLS and *RST.
Transition Filters
A positive transition filter allows an event to be reported when a condition changes
from false to true. Setting both positive and negative filters to TRUE allows an event
to be reported any time the condition changes. Clearing both filters disables event
reporting.
The contents of transition filters are unchanged by *CLS and *RST.
The status registers maybe be divided into 4 categories, the operation status registers,
the questionable status registers, the standard event status register and the status byte.
OPERation Status Register
The operation status register is a 16-bit register which contains information about
conditions which are part of the power supply’s normal operation.
The Operation Status data structure has the operation status register and 5
sub-registers to represent regulation, shutdown, protection shutdown, remote
control, and current sharing modes. Each of the sub-registers is summarized in a
summary bit.
Figure represents the Operation Status data structure. The “+” represents the logical
summation of bits in a register. Table 4.9, Table 4.10, Table 4.11, Table 4.13, and
Table 4.14 describe the meanings of each bit as well as the bit number and bit weight.
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Over VOLtage
Under VOLTage
Over CURrent
Under CURrent
Over POWer
Under POWer
AC Off
Over TEMperature
SENSe
FOLDback
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
CV
CC
CP
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
0
1
2
3
4
5
6
7
8
9
+
PROTection Summary
INTerlock
COMMand
10
Not Used
11
Not Used
12
Not Used
13
Not Used
14
Not Used
15
Not Used
Not Used
STATus:OPERation:SHUTdown:PROTection
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Analog Control Voltage
Analog Control Current
GPIB Control
GPIB Control with LLO
RS-232 Control
RS-232 Control with LLO
Multi-channel Control
Multi-channel Control with LLO
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
MASTer
SLAVe
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
0
1
2
3
STATus:OPERation:REGulating
4
5
6
7
8
9
+
10
11
12
13
14
15
0
1
STATus:OPERation:SHUTdown
2
3
4
5
6
7
8
9
10
+
11
12
13
14
15
0
1
2
STATus:OPERation:RCONtrol
3
4
5
6
7
8
CALibrating
Not Used
Not Used
Not Used
MEASuring
Waiting for TRIGger
Not Used
Not Used
REGulating Summary
SHUTdown Summary
Remote CONtrol Summary
Current SHare Summary
Not Used
Not Used
PROGram running
Not Used
0
1
2
3
4
5
6
7
8
9
10
11
+
to Status
Byte
bit 7
12
13
14
15
STATus:OPERation
+
9
10
11
12
13
14
15
0
1
2
3
STATus:OPERation:CSHare
4
5
6
7
8
9
10
+
11
12
13
14
15
Figure 4.4 Operation Status Registers
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Table 4.9 OPERation Status Register
Bit
Bit Weight Bit Name
0
1
CALibrating
Description
Indicates that the supply is in
CALibration Mode.
1
2
SETTling
Not implemented
2
4
RANGing
Not implemented
3
8
SWEeping
Not implemented
4
16
MEASuring
Not implemented
5
32
Waiting for TRIGger
Summary
Indicates if the supply is waiting
for a TRIGger.
6
64
Waiting for ARM Summary Not implemented
7
128
CORRecting
Not implemented
8
256
REGulating Summary
Reflects the summary of the
REGulating Sub-Register.
9
512
SHUTdown Summary
Reflects the summary of the
SHUTdown Sub-Register.
10
1024
Remote CONtrol
Summary
Reflects the summary of the
Remote CONtrol Sub-Register.
11
2048
Current SHareSummary
Reflects the summary of the
Current Share Sub-Register.
12
4096
Not Used
Not used
13
8192
INSTrument Summary
Not implemented
14
16384
PROGram Running
Indicates that an Automated
Sequence is running.
15
32768
Not Used
Not used
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REGulating Sub-Register
This describes the regulating mode. If none of these bits is active, the output
unregulated (UNRegulated) bit is active in the questionable status register.
Table 4.10 REGulating Sub-Register
Bit
Bit Weight Bit Name
Description
0
1
CV
The power supply is regulating in Constant
Voltage mode.
1
2
CC
The power supply is regulating in Constant
Current mode.
2
4
CP
The power supply is regulating in Constant
Power mode.
SHUTdown Sub-Register
Describes the cause of the power supply shutting down. More than one bit may be
active, and multiple actions will be required to restart the unit. The protection
shutdown sub-register indicates which protection mechanisms have caused the
power supply to shutdown.
Table 4.11 SHUTdown Sub-Register
Bit
146
Bit Weight Bit Name
Description
0
1
PROTectio The power supply is shut down by a power
n Summary supply protection mechanism.
1
2
INTerlock
The power supply is shut down by INTerlock
signal.
2
4
COMMand
The power supply is shut down by a command.
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SCPI Commands for Digital Interfaces
Protection SHUTdown Sub-Register
Table 4.12 Protection SHUTdown Sub-Register
Bit
Bit Weight Bit Name
Description
0
1
Over VOLTage
Over voltage protection has tripped
1
2
Under VOLTage
Under voltage protection has tripped
2
4
Over CURrent
Over current protection has tripped
3
8
Under CURrent
Under current protection has tripped
4
16
Over POWer
Over power protection has tripped
5
32
Under POWer
Under power protection has tripped
6
64
AC Off
AC Off protection has tripped
7
128
Over TEMPerature
Over temperature protection has tripped
8
256
SENSe
Sense protection has tripped
9
512
FOLDback
Foldback protection has tripped
Remote CONtrol Sub-Register
This identifies which remote interface is controlling the unit. Only one bit is active
at a time with the exception of analog control, where voltage or current alone, or both
may be under remote control. Current share mode is considered to be under local
control, even though the user cannot adjust the voltage setting from the front panel.
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Table 4.13 Remote CONtrol Sub-Register
Bit
Bit Weight Bit Name
Description
0
1
Analog
Control
Voltage
The Voltage Setpoint is under control of the
Analog Programming Interface.
1
2
Analog
Control
Current
The Current Setpoint is under control of the
Analog Programming interface.
2
4
GPIB
CONtrol
The power supply is under Remote CONtrol via
the GPIB interface.
3
8
GPIB
CONtrol
with LLO
The power supply is under Remote Control via
the GPIB interface, with local controls locked out.
4
16
RS-232
CONtrol
The power supply is under Remote CONtrol via
the RS-232 interface.
5
32
RS-232
Control with
LLO
The power supply is under Remote CONtTrol via
the RS-232 interface, with local controls locked
out.
6
64
Multi-chann
el CONtrol
The power supply is under Remote CONtrol via
the Multi-channel Programming interface.
7
128
Multi-chann
el Control
with LLO
The power supply is under Remote CONtrol via
the Multi-channel Programming interface, with
local controls locked out.
Current SHare Sub-Register
This register shows the state of the current share configuration, which can either be
set through the front panel Current Share Config menu, or through the SCPI
command SOURce:COMBine:CSHare:MODE.
Table 4.14 Current SHare Sub-Register
Bit
148
Bit Weight Bit Name
Description
0
1
MASTer
The power supply is configured to be a Current
Share Master.
1
2
SLAVe
The power supply is configured to be a Current
Share Slave.
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QUEStionable Status Register
The Questionable Status Register is a 16-bit register that stores information about
questionable events or status during power supply operation. That is, bits in these
registers may indicate that the output of the supply is of undesirable or questionable
quality.
The Questionable Status data structure consists of a questionable status register and
4 sub-registers representing the status of the voltage, current, power outputs and
temperature.
Figure gives an overview of the Questionable Status data structure. The “+”
represents the logical summation of bits in a register. Table 4.15, Table 4.16, Table
4.17, Table 4.18, and Table 4.19, describe the meanings of each bit as well as the bit
number and bit weight.
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Over VOLtage
Under VOLtage
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Over CURrent
Under CURrent
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Over POWer
Under POWer
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Over TEMperature
High TEMperature
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
0
1
2
STATus:QUEStionable:VOLTage
3
4
5
6
7
8
+
9
10
11
12
13
14
15
0
1
STATus:QUEStionable:CURRent
2
3
4
5
6
7
8
9
10
11
+
12
13
14
15
0
1
2
3
4
5
6
7
8
9
10
STATus:QUEStionable:POWer
+
11
12
13
VOLTage Summary
CURRent Summary
Not Used
POWer Summary
TEMPerature Summary
Not Used
Not Used
Not Used
CALibration
Not Used
Not Used
AC Off
UNRegulated
Not Used
Not Used
Not Used
0
1
STATus:QUEStionable
2
3
4
5
6
7
8
9
10
11
+
to Status
Byte
bit 3
12
13
14
15
14
15
0
1
2
3
STATus:QUEStionable:TEMPerature
4
5
6
7
8
9
+
10
11
12
13
14
15
Figure 4.5 Questionable Status Registers
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Table 4.15 QUEStionable Status Register
Bit
Bit Weight
Bit Name
Description
0
1
VOLTage Summary
Reflects a summary of the
VOLTage Sub-Register.
1
2
CURRent Summary
Reflects a summary of the
CURRent Sub-Register.
2
4
TIME
Not implemented
3
8
POWer Summary
Reflects a summary of the POWer
Sub-Register.
4
16
TEMPerature Summary
Reflects a summary of the
TEMPerature Sub-Register.
5
32
FREQuency Summary
Not implemented
6
64
PHASe Summary
Not implemented
7
128
MODulation Summary
Not implemented
8
256
CALibration
Indicates an error in the unit
calibration.
9
512
Not Used
Not implemented
10
1024
Not Used
Not implemented
11
2048
AC Off
Indicates an AC Supply failure.
12
4096
UNRegulated
Indicates that the output is not
regulated in either Constant
Voltage mode, Constant Current
mode or Constant Power mode.
Reflects the inverse of the
Operation Regulation Summary bit.
13
8192
INSTrument Summary
Not implemented
14
16384
Command Warning
Not implemented
15
32768
Not Used
Always zero
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VOLTage Sub-Register
This shows whether the present voltage level is over or under the specified trip limit.
Table 4.16 VOLTage Sub-Register
Bit
Bit Weight
Bit Name
Description
0
1
Over VOLtage
Set if the supply’s output voltage
exceeds the over-voltage trip level,
either user-specified variable trip limit,
or the fixed trip limit.
1
2
Under VOLtage
Set if the supply’s output voltage is less
than the user-specified under-voltage
trip level (variable trip limit) and the
supply is in Operation state.
CURRent Sub-Register
This shows whether the present current level is over or under the specified trip limit.
Table 4.17 CURRent Sub-Register
Bit
Bit Name
Description
0
Bit Weight
1
Over CURrent
Set if the supply’s output current is
greater than the user-specified
over-current trip level (variable trip limit)
and the supply is in Operation state.
1
2
Under CURrent
Set if the supply’s output current is less
than the user-specified under current
trip level (variable trip limit) and the
supply is in Operation state.
POWer Sub-Register
This shows whether the present power level is over or under the specified trip limit.
Table 4.18 POWer Sub-Register
Bit
152
Bit Weight
Bit Name
Description
0
1
Over POWer
Set if the supply’s output power is
greater than the user-specified
over-power trip level (variable trip limit),
and the supply is in Operation state.
1
2
Under POWer
Set if the supply’s output power is less
than the user-specified under-power trip
level (variable trip limit), and the supply
is in Operation state.
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TEMPerature Sub-Register
This shows whether the temperature of critical components is near or over the
maximum operating temperature.
Table 4.19 TEMPerature Sub-Register
Bit
Bit Weight
Bit Name
Description
0
1
Over TEMperature Set if the power supply temperature
exceeds the maximum operating
temperature.
1
2
High TEMperature Set if the power supply temperature
exceeds 90% of the maximum
operating temperature.
Standard Event Status Register
The standard event status register sets bits for specific events during power supply
operation. All bits in the standard event status registers are set through the error event
queue. The register is defined by 488.2 and is controlled using 488.2 common
commands, *ESE, *ESE?, and *ESR?.
Figure 4.6 summarizes the standard Event Status Register
Operation Complete
Not Used
Query Error
Device Dependent Error
Execution Error
Command Error
User Request
Power On
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
0
1
2
Not Used
Not Used
Not Used
Summary of QUESTionable Status
MAV
3
4
5
6
7
8
9
10
+
RQS/MSS
Summary of OPERation Status
11
12
0
1
2
3
4
5
6
7
Status Byte
13
14
15
Standard
Status
Register
Standard
EventEvent
Status
Register
Figure 4.6 IEEE 488.2 Status Register and Status Byte
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Table 4.20 Standard Event Status Register
Bit
Bit Weight
Bit Name
Description
0
1
Operation
Complete
(OPC)
Set if KOPC command has been received
and all pending operations have been
completed. The message, Event –800
Operation Complete, is loaded into the
Error/Event Queue.
1
2
Request Control
(RQC)
Not implemented. Always set to 0.
2
4
Query Error
(QYE)
Set if an attempt is being made to read
data from the output queue when no
output is either present or pending.
Suggests that data in the output queue has
been lost. See “Query Error List” on
page 219 for possible error codes.
3
8
Device Dependent Set if there is a device-specific error. See
“Device-Specific Error List” on page
Error
218 for possible error codes.
(DDE)
4
16
Execution Error
(EXE)
Set if a program data element, following a
header, was evaluated by the power
supply as outside of its legal input range,
or is otherwise inconsistent with the power
supply’s capabilities. Suggests that a valid
program message could not be properly
executed due to some power supply
condition. See “Execution Error List” on
page 216 for possible error codes.
5
32
Command Error
(CME)
Set if an IEEE488.2 syntax error has been
detected by the parser, an unrecognized
header was received, or a group Execute
Trigger was entered into the input buffer
inside an IEEE 488.2 program message.
See “Command Error List” on page 216
for possible error codes.
6
64
User Request
(URQ)
Set if the bit is unmasked and the
instrument wishes to support a 488.2 user
request event. An event occurs when the
instrument detects the activation of a user
request local control. The message, Event
–600 User Request, is loaded into the
Error/Event Queue.
7
128
Power ON
(PON)
Not implemented
Reserved
Reserved for possible future use by IEEE.
Bit values are reported as zero.
8–15
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Status Byte
The Status byte register contains the STB and RQS(MSS) messages as defined in
488.1. The user can read the status byte register using a 488.1 serial poll or the 488.2
*STB? common command. If the user sends a serial poll, bit 6 will respond with
Request Service (RSQ). The value of the status byte is not altered by a serial poll.
The *STB? query causes the device to send the contents of the Status Byte Register
and the Master Summary Status (MSS) summary message. The *STB? query does
not alter the status byte, MSS, or RQS.
Table 4.21 Status Byte Summary Register
Bit
Bit Weight
Bit Name
Description
0
1
Reserved
1
2
Reserved
2
4
Error/Event
Queue (ERR)
Set if any errors are present in
the Error/Event queue.
3
8
Questionable
Status Register
(QSR)
Set if any bits are set in the
Questionable Status Event
register.
4
16
Message
Available (MAV)
Indicates whether the output
queue is empty. MAV is TRUE
if the device is ready to accept
a request from the controller.
5
32
Standard Event
Status Bit
Summary (ESB)
A summary of the Standard
Event Status Register.
6
64
Request Service
(RQS)
Master Status
Summary (MSS)
MSS indicates that the device
has at least one reason for
requesting service.
7
128
Operation Status
Register (OSR)
Present if a bit is set in the
Operation status register.
Error/Event Queue (ERR)
This bit it TRUE if any errors are present in the Error/Event Queue.
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Questionable Status Register Summary (QSR)
This bit is TRUE when a bit in the Questionable Event Status Register is set and its
corresponding bit in the Questionable Status Enable Register is TRUE.
Message Available (MAV)
This bit is TRUE whenever the power supply is ready to accept a request by the
Digital Programming Interface to output data bytes. This message is FALSE when
the output queue is empty.
Standard Event Status Summary (ESB)
This bit is TRUE when a bit is set in the Standard Event Status Register.
Master Summary Status (MSS)
This is caused by one of the following:
•
•
•
•
•
•
•
Status Byte bit 0 AND Service Request Enable Register bit 0
Status Byte bit 1 AND Service Request Enable Register bit 1
Status Byte bit 2 AND Service Request Enable Register bit 2
Status Byte bit 3 AND Service Request Enable Register bit 3
Status Byte bit 4 AND Service Request Enable Register bit 4
Status Byte bit 5 AND Service Request Enable Register bit 5
Status Byte bit 7 AND Service Request Enable Register bit 7.
Request Service (RQS)
RQS is TRUE if the Service Request Enable Register has a bit set and there is a
corresponding bit within the Status Byte.
The SRQ line of the GPIB will be set. The SRQ annuciator will be lit.
Operation Status Register Summary (OSR)
This bit is TRUE when a bit in the Operation Event Status Register is set and its
corresponding bit in the Operation Status Enable Register is set.
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Status In the following sections <status-enable> is a value from 0 to 32767 representing a
Register 15-bit register mask.
Commands
SCPI Status Commands
Preset Status
Configures the status data structures to ensure that certain events are reported at a
higher level through the status-reporting mechanism. These events are summarized
in the mandatory structures, the Operation Status Register, and Questionable Status
Register.
The PRESet command affects only the enable registers and the transition filter
registers of the status data structures. PRESet does not clear any of the event registers
or any item from the error/event queue. The *CLS command is used to clear all event
registers and queues in the device status-reporting mechanism.
For the device-dependent status data structures, the PRESet command sets the enable
register to all 1s and the transition filter register to report only positive transitions.
For the SCPI mandatory status data structures, the PRESet command sets the
transition filter registers to recognize only positive transitions and sets the enable
register to 0s. The following will not be affected by this command: Service Request
Enable Register, Parallel Poll Enable Register, the memory register associated with
the *SAV command, the power supply address, Output Queue, and the
power-on-status-clear flag setting.
Table 4.22 Preset Values of User Configurable Registers
Register
Filter/Enable
Preset Value
Operational
Enable Register
Positive Transition Filter
Negative Transition Filter
0s
1s
0s
Questionable
Enable Register
Positive Transition Filter
Negative Transition Filter
0s
1s
0s
All others
Enable Register
Positive Transition Filter
Negative Transition Filter
1s
1s
0s
SCPI command: STATus[<channel>]:PRESet
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IEEE 488.2 Status and Event Commands
Clear Status Command
Clears all Event Registers, including the Status Byte, the Standard Event Status and
the Error Queue.
Command: *CLS
SCPI equivalent for multichannel use: STATus[<channel>]:CLEar
Standard Event Status Enable Register
The Event Summary Enable command determines which bits in the Standard Event
Status Register are summarized in the Event Summary Bit (ESB) of the Status Byte.
The Power-on Status Clear command determines if the Standard Event Status Enable
Register is cleared at power-on.
E.g.
Sending "*ESE 16" sets bit 4 of the Standard Event Status Enable Register. This will
cause the Event Summary bit (ESB) in the Status Byte to be set whenever the
Execution Error bit (bit 4) in the Standard Event Status Register gets set.
Command: *ESE <status-enable>, *ESE?
SCPI equivalent for multichannel use:
STATus[<channel>]:STANdard:ENABle <status-enable>
STATus[<channel>]:STANdard:ENABle?
Standard Event Status Register
The Standard Event Status Register query allows the user to determine the current
contents of the Standard Event Status Register. (See “Standard Event Status
Register” on page 153.) Reading this register clears it.
Command: *ESR?
SCPI equivalent for multichannel use:
STATus[<channel>]:STANdard[:EVENt]?
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Service Request Enable Register
The Service Request Enable Register allows the user to select the reasons for the
power supply to issue a service request. The Service Request Enable Register allows
the user to select which summary messages in the Status Byte Register may cause
service requests.
To clear the Service Request Enable Register send "*SRE 0." The Power-on Status
Clear command also determines if the Service Request Enable Register is cleared at
power-on. A cleared register does not allow status information to generate a service
request.
E.g.
Sending "*SRE 8" sets bit 3 of the Service Request Enable Register. This will cause
the Summary bit of the Questionable Status register (bit 3) in the Status Byte to
generate a service request message whenever it gets set.
Command: *SRE <Service-Request-Enable>, *SRE?
SCPI equivalent for multichannel use:
STATus[<channel>]:SREQuest:ENABle <status-enable>
STATus[<channel>]:SREQuest:ENABle?
Parallel Poll Enable Register
Each of the 16 bits in the Parallel Poll Enable register correspond to bits in the Status
Byte. Each bit in the Parallel Poll Enable register is ANDed with its corresponding
bit in the Status Byte and the resulting bits are ORed together to generate ist.
Therefore using the parallel poll enable register allows any single bit or combination
of bits to control the ist message.
The Power-on Status Clear command determines if the Parallel Poll Enable Register
is cleared at power-on.
E.g.
Sending "*PRE 8" sets bit 3 of the Parallel Poll Enable Register. This will cause the
Summary bit of the Questionable Status register (bit 3) in the Status Byte to generate
a TRUE ist message whenever it gets set.
Command: *PRE <status-enable>, *PRE?
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Status Byte
The status byte query will return the contents of the status byte register and the MSS
(Master Summary Status) message. The response is in the format of a weighted
decimal value representing the status byte register and the MSS message (bit 6).
Thus, the response to *STB? is identical to the response to a serial poll except that
the MSS message appears in bit 5 in place of the RQS message. (See “Status Byte”
on page 155 for details.)
Command: *STB?
SCPI equivalent:
STATus:SBYTe[:EVENt]?
Power-on Status Clear
The Power-On Status Clear command controls the automatic power-on clearing of
the Service Request Enable Register, the Standard Event Status Enable Register, the
Parallel Poll Enable Register and the Error/Event Queue.
Command: *PSC {0|1}, *PSC?
SCPI equivalent for multichannel use:
SYSTem[<channel>]:POSClear {ON|OFF|0|1}
SYSTem[<channel>]:POSClear?
Individual Status Query
The individual status query allows the programmer to read the state of the IEEE
488.1 ist (individual status) message without performing a parallel poll. The query
returns a "1" or "0."
The ist message is formed by ANDing the bits in the Parallel Poll Enable Register
(*PRE) with the Status Byte and then ORing the result. In other words, the ist is
TRUE if any of bits of the Parallel Poll Enable Register AND'ed with the Status Byte
are TRUE.
Command: *IST?
Operation Complete
The Operation Complete command causes the power supply to generate the
operation complete message in the Standard Event Status Register when all pending
operations have been finished.
Command: *OPC, *OPC?
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Wait-to-Continue Command
The Wait-to-Continue command prevents the power supply from executing any
further commands or queries until the no-operation-pending flag is TRUE.
Command: *WAI
Operation Status Register Commands
Query Operation Status Register Event
SCPI command: STATus[<channel>]:OPERation[:EVENt]?
Query Operation Status Register Condition
SCPI command: STATus[<channel>]:OPERation:CONDition?
Enable Operation Status Register
SCPI command:
STATus[<channel>]:OPERation:ENABle <status-enable>
Query Format:
STATus[<channel>]:OPERation:ENABle?
Set Operation Status Positive Transition Filter
SCPI command:
STATus[<channel>]:OPERation:PTRansition <status-enable>
Query Format:
STATus[<channel>]:OPERation:PTRansition?
Set Operation Status Negative Transition Filter
SCPI command:
STATus[<channel>]:OPERation:NTRansition <status-enable>
Query Format:
STATus[<channel>]:OPERation:NTRansition?
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Regulating Sub-Register Commands
Query Regulating Event
SCPI command:
STATus[<channel>]:OPERation:REGulating[:EVENt]?
Query Regulating Condition
SCPI command:
STATus[<channel>]:OPERation:REGulating:CONDition?
Enable Regulating Sub-Register
SCPI command:
STATus[<channel>]:OPERation:REGulating:ENABle
<status-enable>
Query format:
STATus[<channel>]:OPERation:REGulating:ENABle?
Set Regulating Positive Transition Filter
SCPI command:
STATus[<channel>]:OPERation:REGulating:PTRansition
<status-enable>
Query format:
STATus[<channel>]:OPERation:REGulating:PTRansition?
Set Regulating Negative Transition Filter
SCPI command:
STATus[<channel>]:OPERation:REGulating:NTRansition
<status-enable>
Query format:
STATus[<channel>]:OPERation:REGulating:NTRansition?
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Shutdown Sub-Register Commands
Query Shutdown Event
SCPI command:
STATus[<channel>]:OPERation:SHUTdown[:EVENt]?
Query Shutdown Condition
SCPI command:
STATus[<channel>]:OPERation:SHUTdown:CONDition?
Enable Shutdown Sub-Register
SCPI command:
STATus[<channel>]:OPERation: SHUTdown:ENABle <status-enable>
Query format:
STATus[<channel>]:OPERation:SHUTdown:ENABle?
Set Shutdown Positive Transition Filter
SCPI command:
STATus[<channel>]:OPERation:SHUTdown:PTRansition
<status-enable>
Query format:
STATus[<channel>]:OPERation:SHUTdown:PTRansition?
Set Shutdown Negative Transition Filter
SCPI command:
STATus[<channel>]:OPERation:SHUTdown:NTRansition
<status-enable>
Query format:
STATus[<channel>]:OPERation:SHUTdown:NTRansition?
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Protection Shutdown Sub-Register Commands
Query Protection Shutdown Event
SCPI command:
STATus[<channel>]:OPERation:SHUTdown:PROTection[:EVENt]
?
Query Protection Shutdown Condition
SCPI command:
STATus[<channel>]:OPERation:SHUTdown:PROTection:CONDiti
on?
Enable Protection Shutdown Sub-Register
SCPI command:
STATus[<channel>]:OPERation:SHUTdown:PROTection:ENABle
<status-enable>
Query format:
STATus[<channel>]:OPERation:SHUTdown:PROTection:ENABle?
Set Protection Shutdown Positive Transition Filter
SCPI command:
STATus[<channel>]:OPERation:SHUTdown:PROTection:PTRansi
tion <status-enable>
Query format:
STATus[<channel>]:OPERation:SHUTdown:PROTection:PTRansi
tion?
Set Protection Shutdown Negative Transition Filter
SCPI command:
STATus[<channel>]:OPERation:SHUTdown:PROTection:NTRansi
tion <status-enable>
Query format:
STATus[<channel>]:OPERation:SHUTdown:PROTection:NTRansi
tion?
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SCPI Commands for Digital Interfaces
Remote Control Sub-Register Commands
Query Remote Control Event
SCPI command:
STATus[<channel>]:OPERation:RCONtrol[:EVENt]?
Query Remote Control Condition
SCPI command:
STATus[<channel>]:OPERation:RCONtrol:CONDition?
Enable Remote Control Sub-Register
SCPI command:
STATus[<channel>]:OPERation:RCONtrol:ENABle
<status-enable>
Query Format:
STATus[<channel>]:OPERation:RCONtrol:ENABle?
Set Remote Control Positive Transition Filter
SCPI command:
STATus[<channel>]:OPERation:RCONtrol:PTRansition
<status-enable>
Query Format:
STATus[<channel>]:OPERation:RCONtrol:PTRansition?
Set Remote Control Negative Transition Filter
SCPI command:
STATus[<channel>]:OPERation:RCONtrol:NTRansition
<status-enable>
Query Format:
STATus[<channel>]:OPERation:RCONtrol:NTRansition?
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Current Share Sub-Register Commands
Query Current Share Register Event
STATus[<channel>]:OPERation:CSHare[:EVENt]?
Query Current Share Register Condition
SCPI command:
STATus[<channel>]:OPERation:CSHare:CONDition?
Enable Current Share Sub-Register
SCPI command:
STATus[<channel>]:OPERation:CSHare:ENABle
<status-enable>
Query Format:
STATus[<channel>]:OPERation:CSHare:ENABle?
Set Current Share Positive Transition Filter
SCPI command:
STATus[<channel>]:OPERation:CSHare:PTRansition
<status-enable>
Query Format:
STATus[<channel>]:OPERation:CSHare:PTRansition?
Set Remote Control Negative Transition Filter
SCPI command:
STATus[<channel>]:OPERation:CSHare:NTRansition
<status-enable>
Query Format:
STATus[<channel>]:OPERation:CSHare:NTRansition?
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SCPI Commands for Digital Interfaces
Questionable Status Register Commands
Query Questionable Status Register Event
SCPI command:
STATus[<channel>]:QUEStionable[:EVENt]?
Query Questionable Status Register Condition
SCPI command:
STATus[<channel>]:QUEStionable:CONDition?
Enable Questionable Status Register
SCPI command:
STATus[<channel>]:QUEStionable:ENABle <status-enable>
Query Format:
STATus[<channel>]:QUEStionable:ENABle?
Set Questionable Status Positive Transition Filter
SCPI command:
STATus[<channel>]:QUEStionable:PTRansition
<status-enable>
Query Format:
STATus[<channel>]:QUEStionable:PTRansition?
Set Questionable Status Negative Transition Filter
SCPI command:
STATus[<channel>]:QUEStionable:NTRansition
<status-enable>
Query Format:
STATus[<channel>]:QUEStionable:NTRansition?
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Voltage Sub-Register Commands
Query Voltage Sub-Register Event
SCPI command:
STATus[<channel>]:QUEStionable:VOLTage[:EVENt]?
Query Voltage Sub-Register Condition
SCPI command:
STATus[<channel>]:QUEStionable:VOLTage:CONDition?
Enable Voltage Sub-Register
SCPI command:
STATus[<channel>]:QUEStionable:VOLTage:ENABle
<status-enable>
Query Format:
STATus[<channel>]:QUEStionable:VOLTage:ENABle?
Set Voltage Positive Transition Filter
SCPI command:
STATus[<channel>]:QUEStionable:VOLTage:PTRansition
<status-enable>
Query Format:
STATus[<channel>]:QUEStionable:VOLTage:PTRansition?
Set Voltage Negative Transition Filter
SCPI command:
STATus[<channel>]:QUEStionable:VOLTage:NTRansition
<status-enable>
Query Format:
STATus[<channel>]:QUEStionable:VOLTage:NTRansition?
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SCPI Commands for Digital Interfaces
Current Sub-Register Commands
Query Current Sub-Register Event
SCPI command:
STATus[<channel>]:QUEStionable:CURRent[:EVENt]?
Query Current Sub-Register Condition
SCPI command:
STATus[<channel>]:QUEStionable:CURRent:CONDition?
Enable Current Sub-Register
SCPI command:
STATus[<channel>]:QUEStionable:CURRent:ENABle
<status-enable>
Query Format:
STATus[<channel>]:QUEStionable:CURRent:ENABle?
Set Current Positive Transition Filter
SCPI command:
STATus[<channel>]:QUEStionable:CURRent:PTRansition
<status-enable>
Query Format:
STATus[<channel>]:QUEStionable:CURRent:PTRansition?
Set Current Negative Transition Filter
SCPI command:
STATus[<channel>]:QUEStionable:CURRent:NTRansition
<status-enable>
Query Format:
STATus[<channel>]:QUEStionable:CURRent:NTRansition?
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Power Sub-Register Commands
Query Power Sub-Register Event
SCPI command:
STATus[<channel>]:QUEStionable:POWer[:EVENt]?
Query Power Sub-Register Condition
SCPI command:
STATus[<channel>]:QUEStionable:POWer:CONDition?
Enable Power Sub-Register
SCPI command:
STATus[<channel>]:QUEStionable:POWer:ENABle
<status-enable>
Query Format:
STATus[<channel>]:QUEStionable:POWer:ENABle?
Set Power Positive Transition Filter
SCPI command:
STATus[<channel>]:QUEStionable:POWer:PTRansition
<status-enable>
Query Format:
STATus[<channel>]:QUEStionable:POWer:PTRansition?
Set Power Negative Transition Filter
SCPI command:
STATus[<channel>]:QUEStionable:POWer:NTRansition
<status-enable>
Query Format:
STATus[<channel>]:QUEStionable:POWer:NTRansition?
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SCPI Commands for Digital Interfaces
Temperature Sub-Register Commands
Query Questionable Temperature Sub-Register Event
Temperature Event Sub-Register is read and then cleared.
SCPI command:
STATus[<channel>]:QUEStionable:TEMPerature[:EVENt]?
Query Questionable Temperature Sub-Register Condition
SCPI command:
STATus[<channel>]:QUEStionable:TEMPerature:CONDition?
Enable Temperature Sub-Register
SCPI command:
STATus[<channel>]:QUEStionable:TEMPerature:ENABle
<status-enable>
Query Format:
STATus[<channel>]:QUEStionable:TEMPerature:ENABle?
Set Temperature Positive Transition Filter
SCPI command:
STATus[<channel>]:QUEStionable:TEMPerature:PTRansition
<status-enable>
Query Format:
STATus[<channel>]:QUEStionable:TEMPerature:PTRansition?
Set Temperature Negative Transition Filter
SCPI command:
STATus[<channel>]:QUEStionable:TEMPerature:NTRansition
<status-enable>
Query Format:
STATus[<channel>]:QUEStionable:TEMPerature:NTRansition?
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Section 5. Current Sharing (6000 Watt only)
Overview
The current sharing function is only available for 6000 Watt units. Power supplies
can be equipped with the optional CANbus interface to allow current sharing
between units connected in parallel. Current sharing can use a maximum of 5
supplies. All power supplies must be the same model. Every unit must have a unique
address. See “Multichannel Operation (6000 Watt only)” on page 113.
Figure 5.1Connections for Current Share Operation
Theory of Power supplies may be connected in parallel to supply a large current to a load.
Operation Typically, because of differences in the load connections, each power supply may
provide different amounts of current to the load.
When multiple power supplies are configured for current sharing, the master supply
will make minute changes to the slave’s voltage and current to equalize the current
draw from each.
The slaves will track the master's voltage, current, output and output on/off setting.
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Overview
Configure Current sharing may be configured either by SCPI commands sent via a remote
Current interface or by using the Front Panel. The current sharing modes available are:
Share • No sharing
• Master: sets up the unit as the master controller.
• Slave: sets up the unit as the controlled slave.
Front Panel
In addition to selecting the current share mode, the master may be set up to display
the summed current from all units.
On the front panel, a MASTER or SLAVE annunciator will light up to indicate the
current share mode.
To configure current share with the front panel:.
Step # Do This
1
MENU
2
MENU
3
ENTER
4
You Will See
ERROR MSGS
or
Press 7 times
CURRENT SHARE
No share
or
to select the current
Master
share option (No share, Master or Slave).
Press
ENTER
to save.
If No share or Slave are selected,
configuration is complete and the menu
exits.
4a
If Master has been selected, you will be
prompted to select whether the master
should display the total current output of all
current share units.
Use
Press
174
or
Display Sum? Y
to select Y or N.
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Current Sharing (6000 Watt only)
Overview
SCPI
Select whether the unit will operate as a master or slave unit:
SOURCE:COMBine:CSHare:MODE [MASTer | SLAVe | OFF]
To query the total output current of all current sharing units, use the SCPI command:
MEAS:CURR? SUM
The current share subregister (CSHare) will show whether the master or slave is
operating.
STAT:OPER:CSH:COND?
See Table 4.14, “Current SHare Sub-Register,” on page 148 for a description of the
bits in this register.
Setup To set up multiple supplies for current share operation, follow these steps:
Current 1. Configure each supply with a unique multichannel address. (See “Multichannel
Sharing
Operation (6000 Watt only)” on page 113.)
Network
Configure one supply to operate as the master. Configure others to operate as
slaves.
2. Power down the units. Connect the CAN ports of all paralleled units as you
would for multichannel operation
3. Make load connections. It is recommended to keep load cables the same length
if possible. See Figure 5.1.
4. Power up the master, then all slaves.
5. Set the voltage on the master, then enable the output.
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Operation
Operation
Once a current sharing network is setup, you may adjust the voltage setpoint on the
master. The master will automatically adjust the setpoints of the slave units to
equalize the current output of all units. You may also disable or enable the output of
the master, automatically disabling or enabling the output of all slaves.
You may use local or remote (RS-232, GPIB, multichannel or analog) control to
operate the master.
Slaves will be operating under remote control from the master and in local lockout.
Hence, they will only respond to remote queries or the OUT ON/OFF key on the
front panel.
The default display will show a greek letter sigma before the readback current if the
summed current output is being displayed. E.g. The display may read "60.00V Σ
500A". However, the setpoint displayed on the master is still the current limit for a
single unit.
The master or slave annunciators will light up to show that current share is operating
properly.
Power supplies may not enter calibration mode while current sharing, or enter
current share operation while in calibration mode.
Errors The slave annunciator will flash if it does not detect a master on the network. Check
the cable and the master configuration.
A master or slave will be disabled from current sharing (set to "No share") if:
•
•
•
there is more than one master connected to the CANbus, (Error +1811)
there are more than 4 slaves, (Error +1822), or
the model does not match that of the master, (Error +1822).
In each of these cases, the current share mode will be set to “No share”.
If a unit becomes disconnected due to a failure in communications, the master will
queue error +1812, "Current Share Slave Lost" and the slave will queue error +1821,
"Current Share Master Lost." The slave's output will be disabled, and the slave
annunciator will flash.
See “Current Share Error Codes” on page 222 for the list of error codes and
messages.
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Current Sharing (6000 Watt only)
Operation
Specifications
Max current share units
5
Max cable length
40m
Bus speed
700 kbits/sec
Termination
120 ohm, 1/4 Watt
Connections
parallel male DB9 to female DB9 cable
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Operation
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Appendix A. Calibration
These are the calibration procedures for the 6000 W unit. If you purchased a
12000 W unit, please reference the accompanying addendum for the correct
calibration procedures.
Overview
The calibration of the unit is software dependent; there are no potentiometers to
adjust.
Calibration may be performed via the front panel or SCPI commands. Front panel
calibration is partially automated. The calibration points are set automatically and
you will be prompted to enter the measurement data.
There are 10 items that need to be calibrated. Output voltage and output current are
mandatory. If you intend to use the analog programming interface, you must
calibrate it as well. It needs to be calibrated in both the 0-5V and the 0-10V ranges.
In each range, voltage programming, voltage readback, current programming and
current readback need to be calibrated.
All calibration data is taken at 10% and 90% of the rated outputs.
The setting and readback accuracy of the power supply should be checked annually,
and calibration done only if the unit is not operating within its specification.
Note POWER is calculated from voltage and current readback.
The OTP and AC off protection mechanisms are operational during calibration. All
other protection mechanisms are disabled.
Entering Calibration Mode
!
CAUTION
Calibration procedures should only be performed by qualified users. Failure to
adhere to this warning may cause damage to the power supply, or pose a safety
hazard for the user.
Calibration mode can be entered from the front panel by selecting
"CALIBRATION" from the main menu or by using the "change calibration state"
SCPI command.
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Calibration
Entering Calibration Mode
Front Panel To access calibration mode via the front panel:
Step # Do This
1
You Will See
MENU
2
3
ENTER
ERROR MSGS
Press 2 times.
CALIBRATION
Code #####
4
Enter the calibration security code.
The factory code is “0000”.
Code 0000
5
You are now in the
Calibration menu.
Output V Cal
ENTER
If your password code is incorrect, the prompt displays Incorrect code and
automatically returns to Code ####. Either try again or press EXIT to escape.
If your password code is correct, the prompt displays Output V Cal. This is the
first of 12 available options. The 12 sets of parameters that must be adjusted during
calibration are:
•
•
•
•
•
•
•
•
•
•
•
•
180
Output V Cal: Calibrate voltage output and readback.
Output I Cal: Calibrate current output and readback.
ANLG V PGM 5V: Calibrate 5V analog programming interface for setting
voltage output.
ANLG V RB 5V: Calibrate 5V analog programming interface for monitoring
voltage output.
ANLG I PGM 5V: Calibrate 5V analog programming interface for setting
current output.
ANLG I RB 5V: Calibrate 5V analog programming interface for monitoring
current output.
ANLG V PGM 10V: Calibrate 10V analog programming interface for setting
voltage output.
ANLG V RB 10V: Calibrate 10V analog programming interface for monitoring
voltage output.
ANLG I PGM 10V: Calibrate 10V analog programming interface for setting
current output.
ANLG I RB 10V: Calibrate 10V analog programming interface for monitoring
current output.
Factory Cal: Lets you restore the factory calibration constants.
Change Code: Lets you change the password code.
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Calibration
Entering Calibration Mode
SCPI To access calibration mode via remote interface, use the command:
CAL:STAT ON, "0000"1
To check if the power supply is in calibration mode, use the command:
CAL:STAT ?
Security code To protect calibration data, a security code is required to enter calibration mode. The
security code set at the factory to "0000."
The password can be changed from the remote interface or the front panel.
Calibration state must be ON to change the password. From the front panel, select
"Change Code" from the calibration menu and enter the new code.
To change the Calibration security code:
Step # Do This
You Will See
1
2
Output V Cal
or
Change Code
Scroll to select Change Code.
3
4
Enter a new 4-digit code.
ENTER
Code ####
You are back in the Calibration menu. Output V Cal
If you have entered a valid code, the prompt displays Output V Cal. You can
either continue working with the calibration options or press EXIT to leave
calibration mode.
The SCPI command to change the security code is:
CAL:CODE <security_code>
The security code is any 4-digit number enclosed by quotation marks. Trying to
change the password to an invalid one causes an error.
1. where the parameter "0000" may be replaced with your own 4-digit security code.
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Calibration
Setup and Equipment
Setup and Equipment
• 6 digit DVM
• current shunt
• variable load
• 0-10 V DC power supply (analog programming interface)
• Load wiring sized for the maximum available output current. See Table 2.4, on
page 48.
To set up to calibrate output voltage and current:
Connect a load to the output of the power supply and a current shunt in series.
You will need to use the DVM to measure both the voltage at the output of the power
supply and the voltage across the shunt. You will need to convert the voltage across
the shunt to a current measurement.
To set up to calibrate the analog programming interface, you will need a 0-10V
power supply to provide a programming signal to the voltage and current
programming lines. You will also need to connect the DVM to measure the signal at
the readback lines.
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Calibration
Front Panel Calibration Procedure
Front Panel Calibration Procedure
Calibration can also be done via remote control, using SCPI commands. See
“Remote Interface Calibration Procedure” on page 187.
Calibration of voltage programming and readback are combined in a single
procedure.
Output 1. Set the load to open circuit. Attach a DVM across the output terminals.
Voltage 2. Enter output voltage calibration menu
Select Output V Cal from the calibration menu. Press ENTER.
You will be prompted to set up for output voltage calibration. Press ENTER
when ready.
3. Minimum calibration level
The power supply will automatically set the output voltage to 10%.
4. Enter voltage data
Enter the voltage output, read from the external DVM. Press ENTER
5. Maximum calibration level
The power supply will set the output voltage to 90%.
6. Enter voltage data
Enter the voltage output, read from the external DVM. Press ENTER.
7. Power supply calculates and stores calibration constants.
8. The menu will go to the Output Current Calibration menu.
Output 1. Set the power supply and load operate at full output. You must ensure the power
Current
supply is operating in current mode during current calibration. Place a shunt on
the load line so that you can measure the current. Attach a DVM across the shunt
2. Enter output current calibration menu
Select Output I Cal from the calibration menu. Press ENTER.
You will be prompted to set up for output current calibration. Press ENTER
when ready.
3. Minimum calibration level
The power supply will automatically set the output current to 10%
.
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Calibration
Front Panel Calibration Procedure
4. Enter current data
Enter the current output, read from the external DVM via the shunt. Press
ENTER
5. Maximum calibration level
The power supply will set the output to 90%.
6. Enter current data
Enter the current output, read from the external DVM via the shunt. Press
ENTER.
7. Power supply calculates and stores calibration constants.
8. The menu will go to the 5V analog voltage programming calibration menu.
Analog To set up to calibrate the analog programming interface, you will need a DC power
Programming source capable of outputting 0 to 5V and a DVM.
Interface 0-5V
Range See Table 4.2 “Analog Programming Pins”
Analog Programming Interface Voltage Programming Calibration
1. Connect the power source across the voltage programming lines, Pins B3 and
B1(GND). Attach a DVM across the voltage programming lines as well.
2. Enter 5V analog voltage programming calibration menu
Select ANLG V PGM 5V from the calibration menu. Press ENTER.
You will be prompted to set up for analog voltage programming calibration.
Press ENTER when ready.
3. Minimum calibration level
Set the input to the programming lines to approximately 0.5V (10% of full
scale).
4. Enter voltage data
Enter the voltage at the voltage programming lines, read from the external DVM.
Press ENTER
5. Maximum calibration level
Set the input to the programming lines to approximately 4.5V (90% of full
scale).
6. Enter voltage data
Enter the voltage at the voltage programming lines, read from the external DVM.
Press ENTER.
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Calibration
Front Panel Calibration Procedure
7. Power supply calculates and stores calibration constants.
8. The menu will go to the 5V analog voltage readback calibration menu.
Analog Programming Interface Voltage Readback Calibration
1. Attach a DVM across the voltage readback lines, Pins B5 and B1(GND).
2. Enter 5V analog voltage readback calibration menu
Select ANLG V PGM 5V from the calibration menu. Press ENTER.
You will be prompted to set up for output voltage calibration. Press ENTER
when ready.
3. Minimum calibration level
The power supply will automatically set the voltage readback lines to
approximately 10% of full scale.
4. Enter voltage data
Enter the voltage across the voltage readback lines, read from the external DVM.
Press ENTER
5. Maximum calibration level
The power supply will automatically set the voltage readback lines to
approximately 90% of full scale.
6. Enter voltage data
Enter the voltage across the voltage readback lines, read from the external DVM.
Press ENTER.
7. Power supply calculates and stores calibration constants.
8. The menu will go to the 5V analog current programming calibration menu.
Analog Programming Interface Current Programming Calibration
1. Connect the power source across the current programming lines, Pins B4 and
B1(GND). Attach a DVM across the current programming lines as well.
2. Enter 5V analog current programming calibration menu
Select ANLG I PGM 5V from the calibration menu. Press ENTER.
You will be prompted to set up for calibration. Press ENTER when ready.
3. Minimum calibration level
Set the input to the programming lines to approximately 0.5V (10% of full
scale).
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Calibration
Front Panel Calibration Procedure
4. Enter voltage data
Enter the voltage at the current programming lines, read from the external DVM.
Press ENTER
5. Maximum calibration level
Set the input to the programming lines to approximately 4.5V (90% of full
scale).
6. Enter voltage data
Enter the voltage at the current programming lines, read from the external DVM.
Press ENTER.
7. Power supply calculates and stores calibration constants.
8. The menu will go to the 5V analog current readback calibration menu.
Analog Programming Interface Current Readback Calibration
1. Attach a DVM across the current readback lines, Pins B6 and B1(GND).
2. Enter 5V analog current readback calibration menu
Select ANLG I RB 5V from the calibration menu. Press ENTER.
You will be prompted to set up for analog current readback calibration. Press
ENTER when ready.
3. Minimum calibration level
The power supply will automatically set the current readback lines to
approximately 10% of full scale.
4. Enter voltage data
Enter the voltage read from the external DVM. Press ENTER
5. Maximum calibration level
The power supply will automatically set the current readback lines to
approximately 90% of full scale.
6. Enter voltage data
Enter the voltage at the current readback lines, read from the external DVM.
Press ENTER.
7. Power supply calculates and stores calibration constants.
8. The menu will go to the 10V analog voltage programming calibration menu.
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Calibration
Remote Interface Calibration Procedure
Analog
Programming
Interface
0-10V Range
The 0-10V range of the analog programming interface must be calibrated separately.
Follow the procedure exactly as for calibrating the 0-5V range, using the
corresponding 10V menu options. All the analog signals will be scaled by a factor of
2.
Remote Interface Calibration Procedure
Calibration can also be done via front panel. See “Front Panel Calibration
Procedure” on page 183.
Calibration of voltage programming and readback are combined in a single
procedure.
Output 1. Set the load to open circuit. Attach a DVM across the output terminals.
Voltage 2. Minimum calibration level
Set the output voltage to 10% by sending the command:
CAL:OUTP:VOLT:LEV MIN
3. Enter voltage data
Enter the voltage read from the external DVM.
CAL:OUTP:VOLT:DATA <voltage>
4. Maximum calibration level
Set the output voltage to 90% by sending the command:
CAL:OUTP:VOLT:LEV MAX
5. Enter voltage data
Enter the voltage read from the external DVM.
CAL:OUTP:VOLT:DATA <voltage>
6. Power supply calculates and stores calibration constants.
Output 1. Set the power supply and load operate at full output. You must ensure the power
Current
supply is operating in current mode during current calibration. Place a shunt on
the load line so that you can measure the current. Attach a DVM across the shunt
2. Minimum calibration level
Set the output current to 10% by sending the command:
CAL:OUTP:CURR:LEV MIN
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Calibration
Remote Interface Calibration Procedure
3. Enter current data
Enter the current read from the external DVM via the shunt.
CAL:OUTP:CURR:DATA <current>
4. Maximum calibration level
Set the output current to 90% by sending the command:
CAL:OUTP:CURR:LEV MAX
5. Enter current data
Enter the current read from the shunt via the external DVM.
CAL:OUTP:CURR:DATA <current>
6. Power supply calculates and stores calibration constants.
Analog To set up to calibrate the analog programming interface, you will need a DC power
Programming source capable of outputting 0 to 5V and a DVM.
Interface 0-5V
Range Table 4.2 “Analog Programming Pins”
Analog Programming Interface Voltage Programming Calibration
1. Connect the power source across the voltage programming lines, Pins B3 and
B1(GND). Attach a DVM across the voltage programming lines as well.
2. Minimum calibration level
Set the input to the programming lines to approximately 0.5V (10% of full
scale).
Set the power supply to receive 5V analog voltage programming calibration data
with the command:
CAL:ANAL:5V:PROG:VOLT:LEV MIN
3. Enter voltage data
Enter the voltage at the voltage programming lines, read from the external DVM.
CAL:ANAL:5V:PROG:VOLT:DATA <voltage>
4. Maximum calibration level
Set the input to the programming lines to approximately 4.5V (90% of full
scale).
Set the power supply to receive 5V analog voltage programming calibration data
with the command:
CAL:ANAL:5V:PROG:VOLT:LEV MAX
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Calibration
Remote Interface Calibration Procedure
5. Enter voltage data
Enter the voltage at the voltage programming lines, read from the external DVM.
CAL:ANAL:5V:PROG:VOLT:DATA <voltage>
6. Power supply calculates and stores calibration constants.
Analog Programming Interface Voltage Readback Calibration
1. Attach a DVM across the voltage readback lines, Pins B5 and B1(GND).
2. Minimum calibration level
Set the voltage readback lines to approximately 10% of full scale by sending the
command:
CAL:ANAL:5V:READ:VOLT:LEV MIN
3. Enter voltage data
Enter the voltage across the voltage readback lines, read from the external DVM.
CAL:ANAL:5V:READ:VOLT:DATA <voltage>
4. Maximum calibration level
Set the voltage readback lines to approximately 90% of full scale by sending the
command:
CAL:ANAL:5V:READ:VOLT:LEV MAX
5. Enter voltage data
Enter the voltage across the voltage readback lines, read from the external DVM.
CAL:ANAL:5V:READ:VOLT:DATA <voltage>
6. Power supply calculates and stores calibration constants.
Analog Programming Interface Current Programming Calibration
1. Connect the power source across the current programming lines, Pins B4 and
B1(GND). Attach a DVM across the current programming lines as well.
2. Minimum calibration level
Set the input to the programming lines to approximately 0.5V (10% of full
scale).
Set the power supply to receive 5V analog current programming calibration data
with the command:
CAL:ANAL:5V:PROG:CURR:LEV MIN
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Calibration
Remote Interface Calibration Procedure
3. Enter voltage data
Enter the voltage at the current programming lines, read from the external DVM.
CAL:ANAL:5V:PROG:CURR:DATA <voltage>
4. Maximum calibration level
Set the input to the programming lines to approximately 4.5V (90% of full
scale).
Set the power supply to receive 5V analog current programming calibration data
by sending the command:
CAL:ANAL:5V:PROG:CURR:LEV MAX
5. Enter voltage data
Enter the voltage at the current programming lines, read from the external DVM.
CAL:ANAL:5V:PROG:CURR:DATA <voltage>
6. Power supply calculates and stores calibration constants.
Analog Programming Interface Current Readback Calibration
1. Attach a DVM across the current readback lines, Pins B6 and B1(GND).
2. Minimum calibration level
Set the current readback lines to approximately 10% of full scale by sending the
command:
CAL:ANAL:5V:READ:CURR:LEV MIN
3. Enter voltage data
Enter the voltage across the current readback lines, read from the external DVM.
CAL:ANAL:5V:READ:CURR:DATA <voltage>
4. Maximum calibration level
Set the current readback lines to approximately 90% of full scale by sending the
command:
CAL:ANAL:5V:READ:CURR:LEV MAX
5. Enter voltage data
Enter the voltage across the current readback lines, read from the external DVM.
CAL:ANAL:5V:READ:CURR:DATA <voltage>
6. Power supply calculates and stores calibration constants.
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Calibration
Remote Interface Calibration Procedure
Analog The 0-10V range of the analog programming interface must be calibrated separately.
Programming Follow the procedure exactly as for calibrating the 0-5V range, except that all the
Interface analog signals will be scaled by a factor of 2.
0-10V Range
The commands will begin with the header:
CAL:ANAL:10V:...
The inputs to the programming lines should be approximately 1V for the minimum
calibration level and 9V for the maximum calibration level.
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Calibration
Exit calibration mode
Exit calibration mode
When you have completed calibration, hit the EXIT key.
The SCPI command is:
CAL:STAT OFF, "0000"
Restore Factory Calibration
To restore the unit to the calibration constants set at the factory:
Step # Do This
You Will See
1
2
Output V Cal
or
Factory Cal
Scroll to select Factory Cal.
3
Select Y to Restore the factory
calibration. Selecting N will exit.
Restore? Y
The SCPI command is
CALibration:RESTore
Note This procedure should not be used in place of regular calibration, but may be useful to
restore the unit to an operational state in case of failure.
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Appendix B. SCPI Command Reference
Overview
This appendix provides a summary of the Standard Commands for Programmable
Instruments (SCPI) that are supported by the this Programmable Power Supply.
Codes and Standards
This power supply conforms to the following international standards:
•
•
•
•
IEEE Std 488.2-1992 “IEEE Standard Codes, Formats, Protocols, and Common
Commands For Use With IEEE Std 488.1-1987”
IEEE Std 488.1-1987 “IEEE Standard Digital Interface for Programmable
Instrumentation”
TIA/EIA-232F
Standard Commands for Programmable Instruments (SCPI) Version 1997.0
IEEE 488.2 GPIB control implements all IEEE 488.2 requirements.
Requirements
SCPI The power supply conforms to the following SCPI requirements:
Requirements • SCPI mandated commands
• Questionable Status Register (QSR), Condition, Event, Enable
• Operation Status Register (OSR), Condition, Event, Enable
• Status Byte Register (SBR)
• Standard Event Status Register (SESR)
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SCPI Command Reference
IEEE-488.2/SCPI Syntax and Style
IEEE-488.2/SCPI Syntax and Style
Parameters Units of Measure and Multipliers
Refer to IEEE 488.2, section 7.7.3 for the definition of units of measure.
The default units of measure include:
•
•
•
•
V (Volt – voltage)
A (Ampere – current)
W (Watt – power)
S (seconds – time)
The supported optional multipliers include:
•
•
m (milli)
k (kilo)
Note The SI standard for these multipliers is specifically lowercase, while the IEEE
standard specifies uppercase. Both combinations are supported.
SCPI Command Hierarchy
SCPI is an ASCII-based command language designed for use in high-technology test
and measurement equipment. The command structure is organized around common
roots, or nodes, which are the building blocks of SCPI subsystems. An example of a
common root is CALibration, and some of the commands that reside in the
CALibration subsystem are shown below.
CALibration
:CURRent
[:DATA] <numeric value>
:LEVel {MIN|MAX}
[:SECure]
:CODE <new code>
:STATe {OFF|ON}, <code>
:STATe?
CALibration is the root keyword of the command. CURRent and SECure are
second-level keywords, and DATA, LEVel, CODE, and STATe, are third-level
keywords. A colon (:) is used to separate a command keyword from a lower-level
keyword.
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SCPI Command Reference
Using SCPI Commands
Using SCPI Commands
Throughout these commands, the optional command [<channel>] is available
for the 6000 W units, but not available for 12000 W power supplies.
This manual shows SCPI commands in the following format:
CALibration:CURRent:LEVel {<current>|MIN|MAX}
The command is expressed as a mixture of upper- and lowercase letters. The
uppercase letters suggest how the command can be abbreviated into a short form.
SCPI commands can be sent in long or short forms. The short form is better for data
entry. The long form is better for readability.
Command strings are not case sensitive: CURR, Curr, and curr are all acceptable
abbreviations for CURRent. As for the long form, CURRENT, Current, and current
are all acceptable.
The command strings include punctuation. While some punctuation is sent with the
string, other markings are used to identify different elements of the command syntax
and are not sent with the string.
The following punctuation is sent with the command string:
•
•
•
•
Colons (:) separate command keywords from lower-level keywords.
For example, CAL:CURR:STAT.
Blank spaces separate command keywords from parameter values.
For example, CURR 0.1.
Commas separate parameters from each other when more than one parameter is
sent in the same string. For example, CAL:STAT OFF,”1234.”
Semicolons (;) separate multiple commands from the same subsystem. This
allows for greater efficiency. For example:
CAL:CURR:LEV MIN;VOLT:LEV MIN
is the same as typing:
CAL:CURR:LEV MIN
CAL:VOLT:LEV MIN
•
Colons and semicolons can be used together to link commands from different
subsystems. For example:
CAL:CURR:LEV MIN;:MEAS:CURR?
The following punctuation is not sent with the command string:
•
•
Braces ( { } ) identify a selection of choices. Choose one of the enclosed values.
Vertical bars, or pipes, ( | ) separate the choices found within the braces.
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SCPI Command Reference
Using SCPI Commands
•
•
Angle brackets ( < > ) identify where specific values must be entered for a
parameter. For example, in the example at the top of the page, the parameter
<current> appears in the command string. To set the current setpoint to 0.1A, the
syntax is CAL:CURR:LEV 0.1.
Square brackets ( [ ] ) identify optional parameters. If an optional parameter is
not sent with the command string, a default parameter is sent in its place.
Using In the following example, Minimum and Maximum are offered as alternative choices
Minimum and to declaring a specific parameter value.
Maximum
CAL:CURRent:LEVel {<current>|MIN|MAX}
The string CAL:CURR:LEV MIN sets the current calibration level to the minimum
model value.
Using A question mark lets you query the present value for most parameters. For example,
Queries to query the current calibration state use:
CAL:SEC:STAT?
You can also use the following to query minimum and maximum allowed values for
most parameters:
:VOLT? MIN
:VOLT? MAX
Note If you send 2 queries, it is best to read and respond to the first response before trying
to read the second. Otherwise, you may receive an incomplete first response followed by a
complete second response. To avoid this, you can either wait for and read the first response
before sending the second query, or send a device clear message before sending the
second query.
Terminating Every command string must end with a terminating <new line> character. An
Characters IEEE-488 EOI (end-or-identify) can be used instead of a <new line> character. It is
also acceptable to use a <carriage return> followed by a <new line>. Terminating a
command string always resets the SCPI command path to the root level.
Common The IEEE-488.2 standard includes a set of common commands for functions such as
Commands reset and self-test. These common commands always start with an asterisk (*),
contain 4 or 5 characters, and may have one or more parameters. The command is
always separated from the parameter by a blank space. Multiple commands sent in
the same string are separated by a semi-colon (;). The following is an example of
how 3 common commands can be sent together in the same string:
*OPC; *PSC Off; *TRG
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SCPI Command Reference
Parameter Types
Parameter Types
Several different data types are defined for use in program messages and response
messages.
Boolean Boolean parameters are single binary conditions such as 1 and 0, or ON and OFF.
Parameters The following is an example of a command that uses Boolean parameters:
SYST:COMM:GPIB:PONS {ON|OFF|1|0}
Discrete Discrete parameters are used when program settings have a limited number of
Parameters values. If you query a discrete parameter, the response will always be in the short
form with all uppercase letters. The following is an example of a command that uses
discrete parameters:
TRIG:SOUR {BUS|EXT|IMM|NONE}
Numeric Numeric parameters are number representations such as decimal points, optional
Parameters signs, and scientific notation. Values such as MINimum and MAXimum are
accepted as substitutes for numbers. When DEFault is provided as a parameter, the
machine selects the default value automatically. You can also use engineering unit
suffixes such as, V, A, or W with numeric parameters. In cases where specific
numeric values are accepted, the power unit will round the input parameters. The
following is an example of a command that uses numeric parameters:
VOLT:PROT {<voltage>|MAX|MIN}
String String parameters are used when a series of ASCII characters is required. Strings
Parameters must be enclosed within single or double quotations. The beginning and ending
quotation marks must be matching. Quote delimiters may be included in the string
by typing the quotation marks twice without any characters in between. The
following is an example of a command that uses string parameters:
CAL:STAT ON, “0000”
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SCPI Command Reference
SCPI Command Summary
SCPI Command Summary
The SCPI commands supported by the this Programmable Power Supply are
described in the tables in the remainder of this section. These tables use the following
column headings:
•
•
•
•
Function The commonly used name for the function
SCPI Command The full command in long form
Description Explains what the command does or what is affected by it
Query? Indicates whether the unit supports a query version of the listed
command
Notations The following abbreviations are used in the command listings:
Used in the • N/A Not applicable. (The command has no associated setpoint value.)
Tables
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Operating Manual for XDC Series Power Supply
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Release 3.0
Table B.1IEEE 488.2 Commands
SCPI Command
Description
Query
Clear Status
*CLS
[:]STATus[<channel>]:CLEAr
Clears the status data structures.
N/A
Standard Event Status
Enable Query
*ESE?
[:]STATus[<channel>]:STANdard:ENABle
Query the Standard Event Status Enable
register settings.
N/A
Standard Event Status
Enable
*ESE
[:]STATus[<channel>]:STANdard:ENABle <ESE-word>
Set the Standard Event Status Enable
Restier bits.
N/A
Standard Event Status
Register Query
*ESR?
[:]STATus[<channel>]:STANDard[:EVENt]?
Query Standard Event Status Register.
N/A
Identification Query
*IDN?
[:]SYSTem[<channel>]:IDENtify?
Query identification string. (Manufacturer’s
information.)
N/A
Individual Status Query
*IST?
Reads the current state of the IEEE 488.1
defined "ist" local message in the device
N/A
Operation Complete
Command
*OPC
Causes the device to generate the operation
complete message in the Standard Event
Status register when all pending delected
device operations have finished
N/A
Query Opertion Complete
Command
*OPC?
Place and ASCII character “1” into the
output queue when all pending operations
have been finished. See IEEE 488.2-1992
section 12.5.3.
N/A
Option Identification
Query
*OPT?
[:]SYSTem[<channel>]:OPTIon
Identify reportable device options
N/A
Parallel Poll Enable
Register Query
*PRE?
Query the Parallel Poll Enable Register
setting
N/A
Parallel Poll Enable
Register Command
*PRE <status-enable>
Sets the Parallel Poll Enable Register bits.
See IEEE 488.2 section 11.6 for details.
N/A
Query Power On Status
Clear
*PSC?
[:]STATus[<channel>]:POSClear?
Query Power-On Status Clear setting
N/A
Power-On Status Clear
*PSC
[:]STATus[<channel>]:POSClear <on-off-state>
Controls the automatic power-on clearing of
the Service Requect Enable Register,
Standard Event Status Enable Register,
Parallel Poll Enable Register and other
N/A
event enable registers. Possible values are
0 (leave them alone) or 1 (clear them).
199
Recall
*RCL
[:]SYSTem[<channel>]=RECall <setting_location>
Restores the settings of unit from values
stored in memory.
N/A
Reset
*RST
[:]SYSTem[<channel>]:RESet
Performs a device reset. Set the power
supply to a known state that is independent
of the use history of the device.
N/A
Save User Settings
*SAV
[:]SYSTem[<channel>]:SAVE[USER] <setting_location>
Stores the current setting of the device in
local memory. Scope is same as *RST
N/A
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SCPI Command Reference
SCPI Command Summary
Function
*SDS
[:]SYSTem[<channel>]:SAVE:DEFault <setting_location>
Save the factory default settings.
N/A
Query Service Request
Enable
*SRE?
[:]STATus[<channel>]:SREQuest:ENABle?
Query the Service Request Enable Register
bits.
N/A
Service Request Enable
*SRE
[:]STATus[<channel>]:SREQuest:ENABle <status-enable>
Set the Service Request Enable Register
bits.
N/A
Read Status Byte
*STB?
[:]STATus[<channel>]:SBYTe[EVENt]?
Read the status byte and Master Summary
Status bit.
N/A
Trigger
*TRG
Trigger commands. Analogous to the IEEE
488.1 defined Group Execute Trigger
interface message. See IEEE 488.2 section
6.1.4.2.5
N/A
Self-Test Query
*TST?
[:]SYSTem[<channel>]:TEST?
Internal self-test and responds indicating
whether or not the device completed the
self-test without any detected errors.
N/A
Wait To Continue
*WAI
[:]SYSTem[<channel>]:WAIT
Prevents the device from executing any
further commands or queries until the
no-operation-pending flag is TRUE.(*OPC?)
N/A
Table B.2Readback Commands
Function
SCPI Command
Description
Query
Read Output Current
[:]MEASure[<channel>][:SCALar]:CURRent[:DC]?
Read output current
N/A
Read Output Power
[:]MEASure[<channel>][:SCALar]:POWer[:DC]?
Read output power
N/A
Read Output Voltage
[:]MEASure[<channel>][:SCALar][:VOLTage][:DC]?
Read output voltage
N/A
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SCPI Command Reference
SCPI Command Summary
200
Save Default Settings
Release 3.0
Table B.3Commands for Output Control
SCPI Command
Description
Query
[[:]SOURce][<channel>]:CURRent[:LEVel][:IMMediate][:A
MPLitude] {<current>|MAXimum|MINimum}
Change current setpoint
Yes
Set Triggered Current
Setpoint
[[:]SOURce][<channel>]:CURRent[:LEVel]:TRIGgered[:AMP
Litude] {<current>|MAXimum|MINimum|DEFault}
Change triggered current setpoint
Yes
Set (Immediate) Power
Setpoint
[[:]SOURce][<channel>]:POWer[:LEVel][:IMMediate][:AMP
Litude] {<power>|MAXimum|MINimum}
Change power setpoint
Yes
Set Triggered Power
Setpoint
[[:]SOURce][<channel>]:POWer[:LEVel]:TRIGgered[:AMPLi
tude] {<power>|MAXimum|MINimum|DEFault}
Change triggered power setpoint
Yes
Set (Immediate)
Voltage Setpoint
[[:]SOURce][<channel>]:VOLTage[:LEVel][:IMMediate][:A
MPLitude] {<voltage>|MAXimum|MINimum}
Change voltage setpoint
Yes
Set Triggered Voltage
Setpoint
[[:]SOURce][<channel>]:VOLTage[:LEVel]:TRIGgered[:AMP
Litude] {<voltage>|MAXimum|MINimum|DEFault}
Change triggered votlage setpoint
Yes
Set Voltage Slew Rate
Voltage
[[:]SOURce][<channel>]:VOLTage:SLEW:STEP{<slewrate-vo
ltage>|MAXimum|MINimum|DEFault}
Sets the voltage slew rate voltage change
for the programmed time interval
Yes
Set Voltage Slew Rate
Interval
[[:]SOURce][<channel>]:VOLTage:SLEW:INTerval{<slewrat
e-interval>|MAXimum|MINimum|DEFault}
Sets the voltage slew rate time interval for
the programmed voltage change
Yes
Set Over Current
Protection Level
[[:]SOURce][<channel>]:CURRent:PROTection[:OVER][:LEV
el] {<current>|MAXimum|MINimum}
Set the over current protection level
Yes
Set Over Current
Protection
Shutdown State
[[:]SOURce][<channel>]:CURRent:PROTection[:OVER]:STAT
e <on-off-state>
Select over current protection to
shutdown(ON) or set alarm (OFF)
Yes
Query Over Current
Protection Tripped
[[:]SOURce][<channel>]:CURRent:PROTection[:OVER]:TRIP
ped?
Query if over current protection mechanism
has tripped
N/A
Set Under Current
Protection Level
[[:]SOURce][<channel>]:CURRent:PROTection:UNDer[:LEVe
l] {<current>|MAXimum|MINimum}
Set under current protection level
Yes
Set Under Current
Protection
Shutdown State
[[:]SOURce][<channel>]:CURRent:PROTection:UNDer:STATe
<on-off-state>
Select under current protection to shutdown
(ON) or set alarm (OFF)
Yes
Query Under Current
Protection Tripped
[[:]SOURce][<channel>]:CURRent:PROTection:UNDer:TRIPp
ed?
Query if under current protection
mechanism has tripped
N/A
Set Over Power
Protection Level
[SOURce][<channel>]:POWer:PROTection[:OVER][:LEVel]
{<power>|MAXimum|MINimum}
Set the over power protection level
Yes
Set Over Power
Protection
Shutdown State
[SOURce][<channel>]:POWer:PROTection[:OVER]:STATe
<on-off-state>
Select over power protection to shutdown
(ON) or set alarm (OFF)
Yes
Query Over Power
Protection Tripped
[[:]SOURce][<channel>]:POWer:PROTection[:OVER]:TRIPpe
d?
Query if over power protection mechanism
has tripped
N/A
Set Under Power
Protection Level
[[:]SOURce][<channel>]:POWer:PROTection:UNDer[:LEVel]
{<power>|MAXimum|MINimum}
Set under power protection level
Yes
201
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SCPI Command Reference
SCPI Command Summary
Function
Set (Immediate) Current
Setpoint
Operating Manual for XDC Series Power Supply
[[:]SOURce][<channel>]:POWer:PROTection:UNDer:STATe
<on-off-state>
Select under power protection to shutdown
(ON) or set alarm (OFF)
Yes
Query Under Power
Protection Tripped
[[:]SOURce][<channel>]:POWer:PROTection:UNDer:TRIPped
?
Query if under power protection mechanism
has tripped
N/A
Set Over Voltage
Protection Level
[[:]SOURce][<channel>]:VOLTage:PROTection[:OVER][:LEV
el] {<voltage>|MAXimum|MINimum}
Set the over voltage protection level
Yes
Query Over Voltage
Protection Tripped
[SOURce][<channel>]:VOLTage:PROTection[:OVER]:TRIPped
?
Query if over voltage protection mechanism
has tripped
N/A
Set Under Voltage
Protection Level
[[:]SOURce][<channel>]:VOLTage:PROTection:UNDer[:LEVe
l] {<voltage>|MAXimum|MINimum}
Set under voltage protection level
N/A
Set Under Voltage
Protection
Shutdown State
[[:]SOURce][<channel>]:VOLTage:PROTection:UNDer:STATe
<on-off-state>
Select under voltage protection to shutdown
(ON) or set alarm (OFF)
Yes
Query Under Voltage
Protection Tripped
[[:]SOURce][<channel>]:VOLTage:PROTection:UNDer:TRIPp
ed?
Query if under voltage protection
mechanism has tripped
N/A
Set High Current Limit
[[:]SOURce][<channel>]:CURRent:LIMit:HIGH
{<current>|MAXimum|MINimum}
Set upper limit of current setpoint range (soft
limits)
Yes
Set Low Current Limit
[[:]SOURce][<channel>]:CURRent:LIMit:LOW
{<current>|MAXimum|MINimum}
Set lower limit of current setpoint range (soft
limits)
Yes
Set High Power Limit
[[:]SOURce][<channel>]:POWer:LIMit:HIGH
{<power>|MAXimum|MINimum}
Set upper limit of power setpoint range (soft
limits)
Yes
Set Low Power Limit
[[:]SOURce][<channel>]:POWer:LIMit:LOW
{<power>|MAXimum|MINimum}
Set lower limit of power setpoint range (soft
limits)
Yes
Set High Voltage Limit
[[:]SOURce][<channel>]:VOLTage:LIMit:HIGH
{<voltage>|MAXimum|MINimum}
Set upper limit of voltage setpoint range
(soft limits)
Yes
Set Low Voltage Limit
[[:]SOURce][<channel>]:VOLTage:LIMit:LOW
{<voltage>|MAXimum|MINimum}
Set lower limit of voltage setpoint range (soft
limits)
Yes
Table B.4Commands for Current Share (6000 W only)
Function
SCPI Command
Description
Query
Set Current Sharing Mode
[[:]SOURce][<channel>]:COMBine:CSHare:MODE
{NONE|MASTer|SLAVe}
Select current share mode
Yes
Read Summed Current
[:]MEASure[:SCALar]:CURRent[:DC]? SUM
Read total current output of all current
sharing supplies
N/A
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SCPI Command Reference
SCPI Command Summary
202
Set Under Power
Protection
Shutdown State
Release 3.0
Table B.5Commands for Calibration
Function
Restore Factory
ion
SCPI Command
[:]CALibration[<channel>]:RESTore
Description
Query
Change Calibration
Password
Set Calibration State
[:]CALibration[<channel>][:SECure]:CODE <codeword>
Changes the calibration security code.
No
[:]CALibration[<channel>][:SECure]:STATe
<on-off-state>,<codeword>
Change calibration state (mode)
Yes
Restonres the calibration to the constants set N/A
at the factory
Set Analog Current
Programming Input Level
[:]CALibration[<channel>]:ANALog:<5V|10V>:PROGram:CURRe Set analog programming current calibration
nt:LEVel {MINimum|MAXimum}
level
No
Enter Analog Current
Programming Input Data
[:]CALibration[<channel>]:ANALog:
:{5V|10V}:PROGram:CURRent[:DATA] <current>
Set analog programming current calibration
data
No
Set Analog Voltage
Programming Input Level
[:]CALibration[<channel>]:ANALog:
:{5V|10V}:PROGram:VOLTage:LEVel {MINimum|MAXimum}
Set analog programming voltage calibration
level
No
Enter Analog Voltage
Programming Input Data
[:]CALibration[<channel>]:ANALog:
:{5V|10V}:PROGram:VOLTage[:DATA] <current>
Set analog programming voltage calibration
data
No
Set Analog Current
Readback Output Level
[:]CALibration[<channel>]:ANALog:
:{5V|10V}:READback:CURRent:LEVel {MINimum|MAXimum}
Set analog readback current calibration level
No
Enter Analog Current
Readback Output Data
[:]CALibration[<channel>]:ANALog:
:{5V|10V}:READback:CURRent[:DATA] <current>
Set analog readback current calibration data
No
Set Analog Voltage
Readback Output Level
[:]CALibration[<channel>]:ANALog:
:{5V|10V}:READback:VOLTage:LEVel {MINimum|MAXimum}
Set analog readback voltage calibration level
No
Enter Analog Voltage
Readback Output Data
[:]CALibration[<channel>]:ANALog:
:{5V|10V}:READback:VOLTage[:DATA] <current>
Set analog readback voltage calibration data
No
Set Supply Output Current
Level
[:]CALibration[<channel>]:OUTPut:CURRent:LEVel
{MINimum|MAXimum}
Set output current calibration level
No
Enter Output Current Data
[:]CALibration[<channel>]:OUTPut:CURRent[:DATA]
<current>
Set output current calibration data
No
Set Supply Output Voltage
Level
[:]CALibration[<channel>]:OUTPut:VOLTage:LEVel
{MINimum|MAXimum}
Set voltage output calibration level
No
Enter Output Voltage Data
[:]CALibration[<channel>]:OUTPut:VOLTage[:DATA]
<voltage>
Set voltage output calibration data
No
Function
SCPI Command
Description
Query
Clear Output Protection
[:]OUTPut[<channel>]:PROTection:CLEar
Clears the protection mechanism.
N/A
203
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SCPI Command Reference
SCPI Command Summary
Table B.6Command to Clear all Protection Mechanisms
Function
SCPI Command
Description
Query
Set Output Fold Delay
[:]OUTPut[<channel>]:PROTection:FOLD:DELay <delay>
Set the delay time (seconds) before fold
protection is triggered.
Yes
Set Output Fold Mode
[:]OUTPut[<channel>]:PROTection:FOLD[:MODE]
{NONE|CC|CP|CV}
Yes
Query Fold Protection
Tripped
[:]OUTPut[<channel>]:PROTection:FOLD:TRIPped?
Select which regulation mode to fold back
(None,CV, CC, CP)
Query if fold protection has tripped
N/A
Table B.8Commands for Triggering
Function
SCPI Command
Description
Query
Set Immediate Initiation of
Trigger System
[:]INITiate[<channel>][:IMMediate]
Initiate a triggered event or sequence
N/A
Set Trigger Source
[:]TRIGger[<channel>][:SEQuence]:SOURce
{BUS|EXTernal|IMMediate|NONE}
Sets the trigger source for triggered
setpoints
Yes
Table B.9System Commands
Operating Manual for XDC Series Power Supply
Function
SCPI Command
Description
Query
Query System Error
[:]SYSTem[<channel>]:ERRor[:NEXT]?
Returns the next error in the instrument’s
error queue
N/A
Recall Default Factory
Preset
[:]SYSTem[<channel>]:RECall:DEFault
Restore the factory preset values
N/A
Select Remote Control
Source
[:]SYSTem[<channel>]:REMote:SOURce
{RS232|GPIB|AVOLtage|ACURrent|AVCurrent|MCHannel}
Select the remote control source
Yes
Set RS-232 Baud Rate
[:]SYSTem[<channel>]:COMMunicate:SERial[:RECeive]:BAU
D {1200|2400|4800|9600|…}
Configure the RS-232 baud rate
Yes
Set RS-232 Flow Control
[:]SYSTem[<channel>]:COMMunicate:SERial[:RECeive]:PAC
E {HARDware|XON|NONE}
Select type of flow control for RS-232
Yes
Set Multichannel Address
(6000 W only)
[:]SYSTem[<channel>]:COMMunicate:MCHannel:ADDRess
<channel>
Select the multichannel unit address
Yes
Set GPIB Address
[:]SYSTem[<channel>]:COMMunicate:GPIB[:SELF]:ADDRess
<GPIB_address>
Configure GPIB address
Yes
Set GPIB Power On
Service Request
[:]SYSTem[<channel>]:COMMunicate:GPIB[:SELF]:PONSrq
{ON|OFF|0|1}
Configure GPIB PON SRQ
Yes
Select Range for Analog
Programming Interface
[:]SYSTem[<channel>]:COMMunicate:APRogram:LEVel
{5|10}
Select analog interface voltage levels
Yes
Set Remote Control
Operation (Serial
Interface)
[:]SYSTem[<channel>]:REMote:STATe
{LOCal|REMote|RWLock}
RS-232 Only. Change remote control mode
Yes
Query SCPI Version
[:]SYSTem[<channel>]:VERSion?
Returns the SCPI version to which the
instrument complies. Format is YYYY.V
N/A
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SCPI Command Reference
SCPI Command Summary
204
Table B.7Commands for Fold Protection
Release 3.0
Table B.10Status Commands
SCPI Command
Description
Query
Power On Status Clear
(*PSC)
[:]STATus[<channel>]:POSClear <on-off-state>
Controls the automatic power-on clearing of
the Service Requect Enable Register,
Standard Event Status Enable Register,
Parallel Poll Enable Register and other
event enable registers
Yes
Query Operation Status
Condition Register
[:]STATus[<channel>]:OPERation:CONDition?
See Table 4.9, on page 145.
N/A
Set Operation Status
Enable Register
[:]STATus[<channel>]:OPERation:ENABle <status-enable>
See Table 4.9, on page 145.
Yes
Query Operation Status
Event Register
[:]STATus[<channel>]:OPERation[:EVENt]?
See Table 4.9, on page 145.
N/A
Set Operation Status
Negative Transition
Register
[:]STATus[<channel>]:OPERation:NTRansition
<status-enable>
See Table 4.9, on page 145.
Yes
Set Operation Status
Positive Transition
Register
[:]STATus[<channel>]:OPERation:PTRansition
<status-enable>
See Table 4.9, on page 145.
Yes
Query Operation Status
Current Sharing Condition
Register
[:]STATus[<channel>]:OPERation:CSHare:CONDition?
See Table 4.14, on page 148.
N/A
Set Operation Status
Current Sharing Enable
Register
[:]STATus[<channel>]:OPERation:CSHare:ENABle
<status-enable>
See Table 4.14, on page 148.
Yes
Query Operation Status
Current Sharing Event
Register
[:]STATus[<channel>]:OPERation:CSHare[:EVENt]?
See Table 4.14, on page 148.
N/A
Set Operation Status
Current Sharing Negative
Transition Register
[:]STATus[<channel>]:OPERation:CSHare:NTRansition
<status-enable>
See Table 4.14, on page 148.
Yes
Set Operation Status
Current Sharing Positive
Transition Register
[:]STATus[<channel>]:OPERation:CSHare:PTRansition
<status-enable>
See Table 4.14, on page 148.
Yes
Query Operation Status
Remote Control Condition
Register
[:]STATus[<channel>]:OPERation:RCONtrol:CONDition?
See Table 4.13, on page 148.
N/A
Set Operation Status
Remote Control Enable
Register
[:]STATus[<channel>]:OPERation:RCONtrol:ENABle
<status-enable>
See Table 4.13, on page 148.
Yes
Query Operation Status
Remote Control Event
Register
[:]STATus[<channel>]:OPERation:RCONtrol[:EVENt]?
See Table 4.13, on page 148.
N/A
205
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SCPI Command Reference
SCPI Command Summary
Function
Operating Manual for XDC Series Power Supply
[:]STATus[<channel>]:OPERation:RCONtrol:NTRansition
<status-enable>
See Table 4.13, on page 148.
Yes
Set Operation Status
Remote Control Positive
Transition Register
[:]STATus[<channel>]:OPERation:RCONtrol:PTRansition
<status-enable>
See Table 4.13, on page 148.
Yes
Query Operation Status
Regulating Condition
Register
[:]STATus[<channel>]:OPERation:REGulating:CONDition?
See Table 4.10, on page 146.
N/A
Set Operation Status
Regulating Enable
Register
[:]STATus[<channel>]:OPERation:REGulating:ENABle
<status-enable>
See Table 4.10, on page 146.
Yes
Query Operation Status
Regulating Event Register
[:]STATus[<channel>]:OPERation:REGulating[:EVENt]?
See Table 4.10, on page 146.
N/A
Set Operation Status
Regulating Negative
Transition Register
[:]STATus[<channel>]:OPERation:REGulating:NTRansition
<status-enable>
See Table 4.10, on page 146.
Yes
Set Operation Status
Regulating Positive
Transition Register
[:]STATus[<channel>]:OPERation:REGulating:PTRansition
<status-enable>
See Table 4.10, on page 146.
Yes
Query Operation Status
Shutdown Condition
Register
[:]STATus[<channel>]:OPERation:SHUTdown:CONDition?
See Table 4.11, on page 146.
N/A
Set Operation Status
Shutdown Enable
Register
[:]STATus[<channel>]:OPERation:SHUTdown:ENABle
<status-enable>
See Table 4.11, on page 146.
Yes
Query Operation Status
Shutdown Event Register
[:]STATus[<channel>]:OPERation:SHUTdown[:EVENt]?
See Table 4.11, on page 146.
N/A
Set Operation Status
Shutdown Negative
Transition Register
[:]STATus[<channel>]:OPERation:SHUTdown:NTRansition
<status-enable>
See Table 4.11, on page 146.
Yes
Set Operation Status
Shutdown Positive
Transition Register
[:]STATus[<channel>]:OPERation:SHUTdown:PTRansition
<status-enable>
See Table 4.11, on page 146.
Yes
Query Operation Status
Shutdown Protection
Condition Register
[:]STATus[<channel>]:OPERation:SHUTdown:PROTection:CO
NDition?
See Table 4.11, on page 146.
N/A
Set Operation Status
Shutdown Protection
Enable Register
[:]STATus[<channel>]:OPERation:SHUTdown:PROTection:EN
ABle <status-enable>
See Table 4.11, on page 146.
Yes
Query Operation Status
Shutdown Protection
Event Register
[:]STATus[<channel>]:OPERation:SHUTdown:PROTection[:E
VENt]?
See Table 4.11, on page 146.
N/A
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SCPI Command Reference
SCPI Command Summary
206
Set Operation Status
Remote Control Negative
Transition Register
Release 3.0
[:]STATus[<channel>]:OPERation:SHUTdown:PROTection:NT
Ransition <status-enable>
See Table 4.11, on page 146.
Yes
Set Operation Status
Shutdown Protection
Positive Transition
Register
[:]STATus[<channel>]:OPERation:SHUTdown:PROTection:PT
Ransition <status-enable>
See Table 4.11, on page 146.
Yes
Preset Enable, Positive
Transition and Negative
Transition Status
Registers
[:]STATus[<channel>]:PRESet
Query Questionable
Status Condition Register
[:]STATus[<channel>]:QUEStionable:CONDition?
See Table 4.15, on page 151.
N/A
Set Questionable Status
Enable Register
[:]STATus[<channel>]:QUEStionable:ENABle
<status-enable>
See Table 4.15, on page 151.
Yes
Query Questionable
Status Event Register
[:]STATus[<channel>]:QUEStionable[:EVENt]?
See Table 4.15, on page 151.
N/A
Set Questionable Status
Negative Transition
Register
[:]STATus[<channel>]:QUEStionable:NTRansition
<status-enable>
See Table 4.15, on page 151.
Yes
Set Questionable Status
Positive Transition
Register
[:]STATus[<channel>]:QUEStionable:PTRansition
<status-enable>
See Table 4.15, on page 151.
Yes
Query Questionable
Status Current Condition
Register
[:]STATus[<channel>]:QUEStionable:CURRent:CONDition?
See Table 4.17, on page 152.
N/A
Set Questionable Status
Current Enable Register
[:]STATus[<channel>]:QUEStionable:CURRent:ENABle
<status-enable>
See Table 4.17, on page 152.
Yes
Query Questionable
Status Current Event
Register
[:]STATus[<channel>]:QUEStionable:CURRent[:EVENt]?
See Table 4.17, on page 152.
N/A
Set Questionable Status
Current Negative
Transition Register
[:]STATus[<channel>]:QUEStionable:CURRent:NTRansition
<status-enable>
See Table 4.17, on page 152.
Yes
Set Questionable Status
Current Positive
Transition Register
[:]STATus[<channel>]:QUEStionable:CURRent:PTRansition
<status-enable>
See Table 4.17, on page 152.
Yes
Query Questionable
Status Power Condition
Register
[:]STATus[<channel>]:QUEStionable:POWer:CONDition?
See Table 4.18, on page 152.
N/A
Set Questionable Status
Power Enable Register
[:]STATus[<channel>]:QUEStionable:POWer:ENABle
<status-enable>
See Table 4.18, on page 152.
Yes
Query Questionable
Status Power Event
Register
[:]STATus[<channel>]:QUEStionable:POWer[:EVENt]?
See Table 4.18, on page 152.
N/A
N/A
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207
Set Operation Status
Shutdown Protection
Negative Transition
Register
Operating Manual for XDC Series Power Supply
[:]STATus[<channel>]:QUEStionable:POWer:NTRansition
<status-enable>
See Table 4.18, on page 152.
Yes
Set Questionable Status
Power Positive Transition
Register
[:]STATus[<channel>]:QUEStionable:POWer:PTRansition
<status-enable>
See Table 4.18, on page 152.
Yes
Query Questionable
Status Temperature
Condition Register
[:]STATus[<channel>]:QUEStionable:TEMPerature:CONDiti
on?
See Table 4.19, on page 153
N/A
Set Questionable Status
Temperature Enable
Register
[:]STATus[<channel>]:QUEStionable:TEMPerature:ENABle
<status-enable>
See Table 4.19, on page 153.
Yes
Query Questionable
Status Temperature Event
Register
[:]STATus[<channel>]:QUEStionable:TEMPerature[:EVENt]
?
See Table 4.19, on page 153
N/A
Set Questionable Status
Temperature Negative
Transition Register
[:]STATus[<channel>]:QUEStionable:TEMPerature:NTRansi
tion <status-enable>
See Table 4.19, on page 153
Yes
Set Questionable Status
Temperature Positive
Transition Register
[:]STATus[<channel>]:QUEStionable:TEMPerature:PTRansi
tion <status-enable>
See Table 4.19, on page 153
Yes
Query Questionable
Status Voltage Condition
Register
[:]STATus[<channel>]:QUEStionable:VOLTage:CONDition?
See Table 4.16, on page 152.
N/A
Set Questionable Status
Voltage Enable Register
[:]STATus[<channel>]:QUEStionable:VOLTage:ENABle
<status-enable>
See Table 4.16, on page 152.
Yes
Query Questionable
Status Voltage Event
Register
[:]STATus[<channel>]:QUEStionable:VOLTage[:EVENt]?
See Table 4.16, on page 152.
N/A
Set Questionable Status
Voltage Negative
Transition Register
[:]STATus[<channel>]:QUEStionable:VOLTage:NTRansition
<status-enable>
See Table 4.16, on page 152.
Yes
Set Questionable Status
Voltage Positive
Transition Register
[:]STATus[<channel>]:QUEStionable:VOLTage:PTRansition
<status-enable>
See Table 4.16, on page 152.
Yes
Query the Standard Event
register (ESR?)
[:]STATus[<channel>]:STANdard[:EVENt]?
See Table 4.20, on page 154.
N/A
Enable the Standard
Event register
(*ESE,*ESE?)
[:]STATus[<channel>]:STANdard:ENABle
See Table 4.20, on page 154.
Yes
Query the Status Byte
(*STB)
[:]STATus[<channel>]:SBYTe[:EVENt]?
See Table 4.21, on page 155.
N/A
Service Request Enable
(*SRE,*SRE?)
[:]STATus[<channel>]:SSREQuest:ENABle <status-enable>
Set the bits in the Service Request Enable
Register.
Yes
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SCPI Command Summary
208
Set Questionable Status
Power Negative Transition
Register
Release 3.0
Table B.11Protection Commands
Function
SCPI Command
Description
Query
Set Over Temperature
Response
[:]SENSe[<channel>]:TEMPerature:PROTection:LATCh
<on-off-state>
Select if output is latched off or auto
recovers in the case of an over temperature
condition
Yes
Query Over Temperature
Protection Tripped
[:]SENSe[<channel>]:TEMPerature:PROTection:TRIPped?
Query temperature protection tripped
N/A
Set AC Fail Response
[:]SENSe[<channel>]:VOLTage:AC:PROTection:LATCh
<on-off-state>
Select if output is latched off or auto
recovers in the case of an AC Fail
Yes
Query AC Fail Protection
Tripped
[:]SENSe[<channel>]:VOLTage:AC:PROTection:TRIPped?
Query AC protection circuit tripped
N/A
Table B.12User Lines
Function
SCPI Command
Description
Query
Select polarity of Auxiliary
Lines
[:]OUTPut[<channel>]:AUXiliary<A|B>:POLarity
{HIGH|LOW}
Configure the polarity of the auxiliary line
Yes
Select Source of Auxiliary
Line State
[:]OUTPut[<channel>]:AUXiliary<A|B>:SOURce
<aux_line_mnemonic>
Configure the auxiliary line
Yes
Query state of Auxiliary
Line
[:]OUTPut[<channel>]:AUXiliary<A|B>:STATe?
Query the state of the auxiliary line
N/A
Query
Table B.13Output State
Function
SCPI Command
Description
Set Output State
[:]OUTPut[<channel>][:STATe] <on-off-state>
Enable/disable the power supply output.
Yes
Set Output State at
Power-On
[:]OUTPut[<channel>]:PON:STATe <on-off-state>
Selects the state of the output at power-on
Yes
Power-On Configuration
[:]OUTPut[<channel>]:PON:RECall
{LAST|PRESet|USER<setting_location>|SEQ<sequence_numb
er>}
Configure the supply to recall last setting,
one of the user settings, factory preset
values or to enable an auto sequence.
Yes
SCPI Command Reference
SCPI Command Summary
209
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Function
SCPI Command
Description
Delete selected sequence
[:]PROGram[<channel>][:SELected]:DELete[:SELected]
The selected sequence is deleted
N/A
Delete all sequences
[:]PROGram[<channel>][:SELected]:DELete:ALL
All sequences are deleted
N/A
Select a sequence to run
or edit
[:]PROGram[<channel>][:SELected]:NAME
<sequence_number>
Select sequence to run or edit
Yes
Change Auto Sequence
operating state
[:]PROGram[<channel>][:SELected]:STATe
{RUN|PAUSe|STOP}
Change operating state of current auto
sequence
Yes
Skip to the next step
(while running in auto
sequence)
[:]PROGram[<channel>][:SELected]:STEP:NEXT
Skip to start of next step. Error if STATe is
not RUN
N/A
Read selected sequence
number of steps
[:]PROGram[<channel>][:SELected]:COUNt?
Read number of programmed steps in
selected sequence
Yes
Delete selected sequence
step
[:]PROGram[<channel>][:SELected]:STEP<step_number>:DE
Lete
Delete the selected sequence step
N/A
Exit a selected sequence
[:]PROGram[<channel>][:SELected]:EXIT
Exit a selected sequence
N/A
Read current step number
[:]PROGram[<channel>][:SELected]:STEP:EXECuting?
Query current step in execution
N/A
Edit selected sequence
step
[:]PROGram[<channel>][:SELected]:STEP<step_number>[:E
DIT]
[[[[[<voltage>],<current>],<power>],<OVP_level>],{<ti
me>|TRIG}]
Edit the selected sequence step
Yes
Insert step into selected
sequence
[:]PROGram[<channel>][:SELected]:STEP<step_number>:IN
Sert
[[[[[<voltage>],<current>],<power>],<OVP_level>],{<st
ep_time|TRIG}]
Insert a step into the selected sequence
N/A
Program selected
sequence step current
[:]PROGram[<channel>][:SELected]:STEP<step_number>:CU
RRent <current>
Edit/program step current of selected
sequence
Yes
Program selected
sequence step voltage
[:]PROGram[<channel>][:SELected]:STEP<step_number>:VO
LTage <voltage>
Edit/program step voltage of selected
sequence
Yes
Program selected
sequence step power
[:]PROGram[<channel>][:SELected]:STEP<step_number>:PO
Wer <power>
Edit/program step power of selected
sequence
Yes
Program selected step
OVP
[:]PROGram[<channel>][:SELected]:STEP
<step_number>:OVP <OVP_level>
Edit/program step OVP level of selected
sequence
Yes
Program selected
sequence step time
[:]PROGram[<channel>][:SELected]:STEP<step_number>:DW
ELl {<step_time>|TRIG}
Edit/program step time or triggering of
selected sequence
Yes
Program selected
sequence trigger source
[:]PROGram[<channel>][:SELected]:TRIGger:SOURce
{BUS|MANual|EXTernal|IMMediate}
Edit/program trigger source of selected
sequence
Yes
Program selected
sequence end action
[:]PROGram[<channel>][:SELected]:REPeat
{<sequence_count>|ONCE|FORever|INFinity}
Edit/program end action of selected
sequence
Yes
Read specific sequence
number of steps
[:]PROGram[<channel>]:SEQuence<sequence_number>:STEP:
COUNt?
Read number of programmed steps in
specific sequence
Yes
Delete a specific
sequence
[:]PROGram[<channel>]:SEQuence<sequence_number>:
DELete
The specific sequence is deleted
N/A
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Query
SCPI Command Reference
SCPI Command Summary
210
Table B.14Auto Sequence Commands
Release 3.0
Delete specific sequence
step
[:]PROGram[<channel>]:SEQuence<sequence_number>:STEP<
step_number>:DELete
Delete a specific sequence step
N/A
Edit specific sequence
step
[:]PROGram[<channel>]:SEQuence<sequence_number>:STEP
<step_number>[:EDIT]
[[[[[<voltage>],<current>],<power>],<OVP_level>],{<ti
me>|TRIG}]
Edit a specific sequence step
Yes
Insert step into specific
sequence
[:]PROGram[<channel>]:SEQuence<sequence_number>:STEP<
step_number>:INSert
<voltage>,<current>,<power>,<OVP_level>,{<step_time>|
TRIG}
Insert a step into a specific sequence
N/A
Program specific
sequence step current
[:]PROGram[<channel>]:SEQuence<sequence_number>:STEP<
step_number>:CURRent <current>
Edit/program step current of specific
sequence
Yes
Program specific
sequence step voltage
[:]PROGram[<channel>]:SEQuence<sequence_number>:STEP<
step_number>:VOLTage <voltage>
Edit/program step voltage of specific
sequence
Yes
Program specific
sequence step power
[:]PROGram[<channel>]:SEQuence<sequence_number>:STEP<
step_number>:POWer <power>
Edit/program step power of specific
sequence
Yes
Program specific step
OVP
[:]PROGram[<channel>]:SEQuence<sequence_number>:STEP
<step_number>:OVP <OVP_level>
Edit/program step OVP level of specific
sequence
Yes
Program specific
sequence step time
[:]PROGram[<channel>]:SEQuence<sequence_number>:STEP
<step_number>:DWELl {<step_time>|TRIG}
Edit/program step time or triggering of
specific sequence
Yes
Program specific
sequence trigger source
[:]PROGram[<channel>]:SEQuence<sequence_number>:TRIGg
er:SOURce {BUS|MANual|EXTernal|IMMediate}
Edit/program trigger source of specific
sequence
Yes
Program specific
sequence end action
[:]PROGram[<channel>]:SEQuence<sequence_number>:REPea
t {<sequence_count>|ONCE|FORever|INFinity}
Edit/program end action of specific
sequence
Yes
SCPI Command Reference
SCPI Command Summary
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Function
Legacy Command
Description
Query
Reset
CLR
Equivalent to *RST and SYSTem:RESet commands
Performs a device reset. Set the power supply to a known state that is independent of
the use history of the device
N/A
Query System Error
ERR?
Equivalent to SYSTem:ERRor? command except that the return string contains the
command
Returns the next error in the instrument’s error queue
N/A
Identification Query
ID?
Query identification string. (Model ID and Version)
N/A
Read Output Current
IOUT?
Equivalent to MEASure:CURRent? command
Read output current
N/A
Set High Current Limit
IMAX <current>
Equivalent to SOURce:CURRent:LIMit:HIGH <current> command.
Set upper limit of current setpoint range (soft limits)
Yes
Set (Immediate) Current
Setpoint
ISET <current>
Equivalent to SOURce:CURRent command.
Change current setpoint
Yes
Set Output State
OUT <on-off-state>
Equivalent to OUTP <on-of-state> command.
Enable/disable the power supply output
Yes
Set Over Voltage
Protection Level
OVSET <voltage>
Equivalent to SOURce:VOLTage:PROTection:OVER:LEVel <voltage> command.
Set the over voltage protection level
Yes
ROM Query
ROM?
Queries the main firmware version
N/A
Clear Output Protection
RST
Equivalent to OUTPut:PROTection:CLEar command.
Clears the protection mechanism
N/A
Set High Voltage Limit
VMAX <voltage>
Equivalent to SOURce:VOLTage:LIMit:HIGH <voltage> command.
Set upper limit of voltage setpoint range (soft limits)
Yes
Read Output Voltage
VOUT?
Equivalent to MEASure:VOLTage? command.
Read output voltage
N/A
Set (Immediate) Voltage
Setpoint
VSET <voltage>
Equivalent to SOURce:VOLTage command.
Change voltage setpoint
Yes
Notes:
All legacy commands that change a value conform to the same rules as SCPI. Commands will cause an error if the unit’s remote
source, remote state, current share mode status and calibration status is incorrect.
Legacy commands do not have multichannel capabilities.
Query commands return a string containing the command itself.
The “CLR” command does not clear any legacy fault registers.
The “RST” command only clears the protections so that the voltage and setpoints can take effect. It does not change any setpoint
values. When a protection is tripped the unit’s output may be turned off (configurable).
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SCPI Command Summary
212
Table B.15Legacy Commands
Release 3.0
Expressions
Table B.16Expressions
Details
aux_line_mnemonic
Define the output of the auxiliary line.The possible values are NONE, ON, OFF, OVOLtage, UVOLtage,
OCURrent, UCURrent, OPOWer, UPOWer, ACOFf, OTEMperature, HTEMpertature, SPRotection,
UNRegulated, FOLD, CC, CV, CP.
channel
The address for a multichannel slave. An integer value in the range 2 to 50.
codeword
A string representing any 4-digit positive integer.
current
A numeric value as defined by SCPI. May also be MAXimum or MINimum. May include current-related
suffix units such as “mA”, “uA”, “A” etc. Range may be 0 to 103% of model’s rated current.
delay
A length of time in the range 0 to 60 seconds. May include time-related suffix units such as “S”, “MIN”,
“mS”, “uS” etc. By default, the value is in seconds.
ESE-word
Range 0–255. An 8-bit status mask for the Standard Event Status Register that determines which bits are
OR’d to form the ESB bit in the Status Byte Register.
GPIB_address
The address for a GPIB controlled unit. An integer value in the range 1 to 30.
on-off-state
A Boolean indicator of a state. Possible values are ON, OFF, 0 (off), or 1 (on).
OVP_level
A numeric value as defined by SCPI. May also be MAXimum or MINimum. May include voltage-related
suffix units such as “mV”, “uV”, “V”, etc. Range is 0 to 103% of model’s rated voltage.
power
A numeric value as defined by SCPI. May also be MAXimum or MINimum. May include power-related
suffix units such as “mW”, “uW”, “W”, etc. Range is 0 to 101% of model’s rated power.
setting_location
A numeric indication of an internal set of setting registers. An integer value in the range 1 to 10.
sequence_count
Number of times a sequence is to be repeated. Range is 1 to 9999.
sequence_number
The name of an auto sequence program. Range is 1 to 10. The suffix is part of the SEQUENCE command
name and is not a parameter.
status-enable
A 16-bit status mask for any condition register that determines which bits are to be used for synthesizing
the summary bit of that register.
step_number
The step number of an auto sequence program. Possibly considered a SCPI suffix. Range is 1 to 99.
step_time
The duration of an auto sequence step in the format hh:mm:ss.s.
May include time-related suffix units such as “S”, “MIN”, “mS”, “uS”, etc. By default, the value is in
seconds.
voltage
A numeric value as defined by SCPI. May also be MAXimum or MINimum. May include voltage-related
suffix units such as “mV”, “uV”, “V”, etc. Range is 0 to 103% of model’s rated voltage.
213
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SCPI Command Reference
Expressions
Expression
SCPI Command Reference
Expressions
214
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Appendix C. Error Messages
Overview
Errors are placed in a queue as they are detected. The queue works on a first in, first
out (FIFO) basis. If the queue overflows, the last error in the queue is replaced with
error –350, “Queue Overflow”. When all errors have been read from the queue,
further error queries return 0, “No error”.
The error queue is cleared when any of the following occur (IEEE 488.2, section
11.4.3.4):
•
•
Upon receipt of a *CLS command
Upon reading the last item from the queue
All negative values are reserved by the SCPI standard. All errors unique to the power
supply have positive values.
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Error Messages
Command Error List
Command Error List
An error in the range [-199, -100] indicates that an IEEE 488.2 syntax error has been
detected by the instrument’s parser. The occurrence of any error in this class causes
the command error bit (bit 5) in the Event Status Register to be set.
Table C.1Command Error List
Error
Error Message Description
code
-100
Command error
This is the generic syntax error.
-105
GET not allowed
A Group Execute Trigger was received within a program message.
-114
Header suffix out of range
The value of a numeric suffix attached to a program mnemonic is out of range.
May refer to multichannel addressing, auto sequence number or auto
sequence step number.
-120
Numeric data error
This error is generated when parsing a data element which appears to be
numeric, including the non-decimal numeric types.
-123
Exponent too large
The magnitude of the exponent was larger than 32000.
-151
Invalid string data
The data with the enclosed (“) double apostrophes (string) is invalid.
Possibility of wrong length or character.
Execution Error List
An error in the range [-299, -200] indicates that an error has been detected by the
instrument’s execution control block. The occurrence of any error in the class causes
the execution error bit (bit 4) in the Event Status Register to be set.
Execution errors are reported by the device after rounding and expression evaluation
operations have taken place.
Table C.2 Execution Error List
Error
Error Message Description
code
216
-200
Execution error
This is the generic error for the power supply.
-203
Command protected
Indicates that a legal password-protected program command or query could not
be executed because the command was disabled. Check calibration state.
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Error Messages
Execution Error List
Error
Error Message Description
code
-220
Parameter error
Indicates that a program data element related error occurred.
-221
Setting conflict
Indicates that a legal program data element was parsed but could not be
executed due to the current power supply state.
Factors that may contribute to this error are:
Remote source - To set most values, the remote source must be correct.
Remote state - To set most values, the unit must be in remote mode.
Calibration mode - when in calibration mode, certain settings will cause as error.
Current share mode - When the unit is in current share mode (other than none)
certain settings will cause an error.
-222
Data out of range
Indicates that a legal command could not be executed because the interpreted
value was outside the legal range as defined by the power supply.
-225
Out of memory
The power supply has insufficient memory to perform the requested operation.
-231
Data questionable
Indicates that measurement accuracy is suspect.
-240
Hardware error (occurs during flash update if there is a failure)
Indicates that a legal program command or query could not be executed
because of a hardware problem in the power supply.
-241
Hardware missing
Indicates that a legal program command or query could not be executed
because of missing power supply hardware; e.g. an option not installed.
-282
Illegal program name
The name used to reference an auto sequence program was invalid or there is
no program selected.
-284
Program currently running
Certain operations dealing with auto sequence programs may be illegal while
the program is running. For example, deleting a running program is not
possible.
-285
Program syntax error
There is an error in the program definition.
-290
Memory use error
Indicates that a user request has directly or indirectly caused an error related to
memory or <data_handle>s. This is not the same as “bad” memory.
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Error Messages
Device-Specific Error List
Device-Specific Error List
An error in the range [-399, 300] or [1, 32767] indicates that the instrument has
detected an error which is not a command error, a query error, or an execution error;
some device operations did not properly complete, possibly due to an abnormal
hardware or firmware condition. These codes are also used for self-test response
errors. The occurrence of any error in the class causes the device-specific error bit
(bit 3) in the Event Status Register to be set.
Table C.3 Device-Specific Error List
Error
code
218
Error Message Description
-300
Device-specific error.
Indicates that the power supply could not complete the operation due to some
condition of the power supply.
-310
System error.
This error is queued when the power supply cannot convert the input to a
calibrated value.
-313
Calibration memory lost.
-314
Save/recall memory lost.
Indicates that the non-volatile data saved by the *SAV command has been lost.
-315
Configuration memory lost.
Indicates that non-volatile configuration data saved by the power supply has
been lost.
-321
Out of memory.
An internal operation needed more memory than was available.
-330
Self-test failed.
-350
Queue overflow.
A specific code entered into the queue in lieu of the code that caused the error.
This code indicates that there is no room in the queue and an error occurred
but was not recorded.
-360
Communication error.
This is the generic communication error for errors which cannot be classified
below.
-361
Parity error in program message.
Parity bit not correct when data received.
-362
Framing error in program message.
A stop bit was not detected when data was received, e.g. a baud rate
mismatch.
-363
Input buffer overrun.
Software or hardware input buffer on serial port overflows with data caused by
improper (or nonexistent) pacing.
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Error Messages
Query Error List
Query Error List
An error number in the range [-499, -400] indicates that the output queue control of
the instrument has detected a problem with the message exchange protocol described
in IEEE 488.2, chapter 6. The occurrence of any error in this class causes the query
error bit (bit 2) in the Event Status Register to be set.
Table C.4 Query Error List
Error
code
Error Message Description
-400
Query Error
This is the generic query error for the power supply, used only when the other
types of errors do not apply.
-410
Query INTERRUPTED
Generated when a new command was received before it could finish the query.
User Request Event
An error/event in the range [-699, -600] is used when the instrument wishes to report
a 488.2 user request event. This event also sets the user request bit (bit 6) of the
Standard Event Status Register.
Table C.5 User Request Event
Error
Error Message Description
code
-600
User request
Operation Complete Event
An error/event in the range [-899, -800] is used when the instrument wishes to report
a 488.2 operation complete event. This event occurs when an instrument’s
synchronization protocol, having been enabled by an *OPC command, completes all
selected pending operations. This event also sets the operation complete bit (bit 0) of
the Standard Event Status Register.
Table C.6 Operation Complete Event
Error
Error Message Description
code
-800
Operation complete
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Error Messages
Front Panel Error Codes
Front Panel Error Codes
Table C.7 Front Panel Error Codes
Error
code
Error Message Description
+1301
Front Panel Protocol Error
Invalid data from the front panel was sent to the CPU
+1302
Front Panel Not Responding
+1303
Front Panel Self-Test Failed
CPU Error Codes
Table C.8 CPU Error Codes
Error
code
Error Message Description
+1401
ColdFire Self-Test Failed
Analog Programming Interface Error codes
Table C.9 Analog Programming Interface Error code
Error
code
Error Message Description
+1501
Analog programming self-test failed
Auto Sequencing Error Codes
Table C.10Auto Sequencing Error Codes
Error
code
+1601
220
Error Message Description
Invalid step number
Step does not exist, is out of allowed range or preceding steps do not exist.
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Error Messages
CANbus Error Codes
CANbus Error Codes
Table C.11CANbus Error Codes
Error
code
Error Message Description
+1701
CANbus hardware missing
The CANbus option is not installed on the controller card, or controller card is
not present.
+1702
CANbus device specific error
An error has occurred on the CANbus circuit. Probable causes are AC input
too low, AC input not secure, controller card not securely fastened or other
noise sources.
+1703
CANbus input buffer corrupted.
+1704
CANbus input buffer corrupted.
+1705
CANbus input buffer overrun.
Data is sent on the CANbus faster than the CPU can process.
+1706
CANbus output buffer overrun.
Data cannot be transmitted fast enough.
Multichannel Error Codes
Multichannel functionality is only available with the 6000 Watt power supply.
Table C.12Multichannel Error Codes
Error
code
Error Message Description
+1800
Multichannel general error
An error has occurred while sending multichannel commands. One such
cause is sending a command that is too long.
+1802
Multichannel address taken
The multichannel address configured for this unit has already been assigned
to another unit on the CANbus network.
+1803
Multichannel originator not responding
The originator of the message is not responding to the handshaking.
+1804
Multichannel recipient not responding
The recipient of the message is not acknowledging the reception of the
command.
+1805
Multichannel command overwritten
A received command through the CANbus has been overwritten.
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Error Messages
Current Share Error Codes
Current Share Error Codes
Current share functionality is only available with the 6000 Watt power supply.
Table C.13Current Share Error Codes
222
Error
code
Error Message Description
+1900
Current Share General Error
+1911
Current share master already online
A unit on the CANbus network has already been assigned the current share
master unit. Only one is allowed per network.
+1912
Current share slave lost
One of the connected current share slaves have not responded in time.
+1921
Current share master lost
The assigned master has not responded in time.
+1922
Current share slave connection refused
Connection as a slave on the current share network has been refused due to
one of the following reasons:
4 slaves are already online,
the voltage rating does not match those of the master’s,
the current rating does not match those of the master’s.
+1924
Current share data out of range
The voltage or current readback or setpoint values passed are out of range.
+1925
Current share slave output off by unknown
One of the slave’s output is off because of unknown reasons
+1926
Current share slave output off by command
One of the slave’s output is off because of a command from a remote source
or the front panel.
+1927
Current share slave output off by AC fail
One of the slave’s output is off because of an AC fail condition.
+1928
Current share slave output off by OTP (Over Temperature Protection)
One of the slave’s output is off because of an OTP condition.
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Appendix D. GPIB
Overview
This power supply can be programmed from a remote terminal using a General
Purpose Interface Bus (GPIB) interface. Communications over the GPIB interface
meet IEEE 488.2 standards and are SCPI compliant.
Codes and Standards
The GPIB interface of the this Programmable DC Power Supply has been
implemented according to IEEE standard 488.1-1987, “IEEE Standard Digital
Interface for Programmable Instrumentation.”
The communications protocol complies with IEEE 488.2-1992.
Message Terminators
The GPIB End of message (EOM) terminators can be the END message (EOI), the
ASCII code for line feed (LF) or both.
The power supply terminates responses with line feed (LF).
Address Range
Primary The power supply will respond to any GPIB address in the range 1 to 30.
Address
Secondary The power supply does not support secondary addressing.
Address
Service Request and Polling
The power supply's serial poll responses and SRQ generation use an IEEE 488.2
reporting structure. See“Status Registers” on page 142.
The Request Service bit (bit 6) in the Status Byte will generate a service request
(SRQ) on the GPIB.
The power supply can be set up to generate a service request (SRQ) at power-on. Use
the command:
SYSTem:COMMunicate:GPIB:PONSrq [ON|OFF|1|0]
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GPIB
Protocol Specifications
Protocol Specifications
Multiline IEEE 488.2 (Section 5) requires specific Device Interface Functions.
Control
Functions
Table D.1Multiline Control Functions
Function
Mnemonic Description
Functions Subset
Source
Handshake
SH1
Complete capability
SIDS, SGNS, SDYS, STRS,
SWNS, SIWS
Acceptor
Handshake
AH1
Complete capability
AIDS, ANRS, ACRS, ACDS,
AWNS
Talker
T6
Includes serial poll
TIDS, TADS, TACS, SPAS,
SPIS, SPMS, TPIS, TPAS
Listener
L4
LIDS, LADS, LACS, LPIS,
LPAS
Interface IEEE 488.1 (Section 2).
Functions
Table D.2Interface Functions
Function
Device Clear
DC1
Device Trigger
DT1
Drivers
E2
Functions Subset
Complete capability
DCIS, DCAS
Complete capability
DTIS, DTAS
Tri state drivers where
selectable
Parallel Poll
PP1
Parallel Poll
Remote/Local
RL1
Complete capability
LOCS, LWLS, REMS, RWLS
Service
Request
SR1
Complete capability
NPRS, SQRS, APRS
Controller
224
Mnemonic Description
C0
Device does not act as a
controller
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GPIB
Electrical Specifications
Electrical Specifications
Driver IEEE 488.2 (Section 3.3).
Requirements
Table D.3Driver Types for Interface Lines
Signal
Line
Driver
Signal
Line
Driver
DIO1
Tri State
EOI
Tri State
DIO2
Tri State
DAV
Tri State
DIO3
Tri State
NRFD
Open Collector
(mandatory)
DIO4
Tri State
NDAC
Open Collector
(mandatory)
DIO5
Tri State
REN
Tri State
DIO6
Tri State
IFC
Tri State
DIO7
Tri State
SRQ
Open Collector
(mandatory)
DIO8
Tri State
ATN
Tri State
Driver Specifications for 1 megabyte/second:
•
•
Low State: Output voltage < +0.5V at +48mA sink current
High State: Output Voltage (3 state) ≥ +2.4V at -5.2mA
The Output Voltage (open collector) is dependent on the composite Device Load
Requirements. The Voltage values are measured at the device connector between the
signal line and the logic ground.
Mechanical Specifications
Mechanical Specifications comply with IEEE 488.1 standards.
See Appendix E for details.
Performance Specifications
The power supply responds within 2 ms of receiving a command over the GPIB
interface.
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GPIB
Performance Specifications
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Appendix E. Specifications and Characteristics
Notes
•
•
•
•
These specifications are represented over the full operating temperature range.
Nominal line input voltage assumed unless otherwise stated.
All sense lines are configured for default local operation.
All specifications are subject to change without notice.
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Specifications and Characteristics
Electrical Specifications—Summary
Electrical Specifications—Summary
Table E.1Specifications for 6000 Watt units (10V to 60V Models)
Models
10-600
20-300
30-200
40-150
60-100
Output Ratings:
Output Voltage 1
Output Current 2
Output Power
0–10 V
0–600 A
6000 W
0–20 V
0–300 A
6000 W
0–30 V
0–200 A
6000 W
0–40 V
0–150 A
6000 W
0–60 V
0–100 A
6000 W
Line Regulation: 3
Voltage (0.01% of Vmax)
Current (0.05% of Imax)
1 mV
300 mA
2 mV
150 mA
3 mV
100 mA
4 mV
75 mA
6 mV
50 mA
Load Regulation: 4
Voltage (0.05% of Vmax + 5 mV)
Current (0.1% of Imax + 20 mA)
10 mV
620 mA
15 mV
320 mA
20 mV
220 mA
25 mV
170 mA
35 mV
120 mA
Meter Accuracy:
Voltage (0.15% of Vmax)
Current (0.5% of Imax)
15 mV
3A
30 mV
1.5 A
45 mV
1.0 A
60 mV
750 mA
90 mV
500 mA
Output Noise (0–20 MHz):
Voltage (p–p)
75 mV
75 mV
75 mV
75 mV
100 mV
Output Ripple (rms):
Voltage
Current 5
10 mV
3100 mA
10 mV
1600 mA
12 mV
1000 mA
15 mV
750 mA
15 mV
450 mA
OVP Adjustment Range:
(0% to 103% of Vmax)
0–10.3 V
0–20.6 V
0–30.9 V
0–41.2 V
0–61.8 V
0.85
0.87
0.87
0.87
0.89
Efficiency:
1.
2.
3.
4.
5.
6.
6
Minimum output voltage is <0.3% of rated voltage at zero output setting.
Minimum output current is <0.2% of rated current at zero output setting when measured with rated load resistance.
For input voltage variation over the AC input voltage range, with constant rated load.
For 0–100% load variation, with constant nominal line voltage.
Current mode noise is measured from 10% to 100% of rated output voltage, full current, unit in CC mode.
Typical efficiency at nominal input voltage and full output power.
228
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Specifications and Characteristics
Electrical Specifications—Summary
Table E.2Drift Specifications for 6000 Watt units (10V to 60V Models)
Models
10–600
20–300
30–200
40–150
60–100
Drift (30 minutes): 1
Voltage (0.04% of Vmax)
Current (0.6% of Imax)
4 mV
3600 mA
8 mV
1800 mA
12 mV
1200 mA
16 mV
900 mA
24 mV
600 mA
Drift (8 hours): 2
Voltage (0.02% of Vmax)
Current (0.04% of Imax)
2 mV
240 mA
4 mV
120 mA
6 mV
80 mA
8 mV
60 mA
12 mV
40 mA
Temperature Coefficient: 3
Voltage (0.04% of Vmax/°C)
Current (0.06% of Imax/°C)
4 mV
360 mA
8 mV
180 mA
12 mV
120 mA
16 mV
90 mA
24 mV
60 mA
1. Maximum drift over 30 minutes with constant line, load, and temperature, after power on.
2. Maximum drift over 8 hours with constant line, load, and temperature, after 30 minute warm-up.
3. Change in output per °C change in ambient temperature, with constant line and load.
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Specifications and Characteristics
Electrical Specifications—Summary
Table E.3Specifications for 6000 Watt units (80V to 600V Models)
Models
80–75
100–60
150–40
300–20
600–10
Output Ratings:
Output Voltage 1
Output Current 2
Output Power
0–80 V
0–75 A
6000 W
0–100 V
0–60 A
6000 W
0–150 V
0–40 A
6000 W
0–300 V
0–20 A
6000 W
0–600 V
0–10 A
6000 W
Line Regulation: 3
Voltage (0.01% of Vmax)
Current (0.05% of Imax)
8 mV
37.5 mA
10 mV
30 mA
15 mV
20 mA
30 mV
10 mA
60 mV
5 mA
Load Regulation: 4
Voltage (0.05% of Vmax + 5 mV)
Current (0.1% of Imax + 20 mA)
45 mV
95 mA
55 mV
80 mA
80 mV
60 mA
155 mV
40 mA
305 mV
30 mA
Meter Accuracy:
Voltage (0.15% of Vmax)
Current (0.5% of Imax)
120 mV
375 mA
150 mV
300 mA
225 mV
200 mA
450 mV
100 mA
900 mV
50 mA
Output Noise (0–20 MHz):
Voltage (p–p)
100 mV
100 mV
150 mV
250 mV
350 mV
Output Ripple (rms):
Voltage
Current 5
15 mV
320 mA
20 mV
230 mA
20 mV
120 mA
30 mV
50 mA
80 mV
25 mA
OVP Adjustment Range:
(0% to 110% of Vmax)
0–88 V
0–110 V
0–165 V
0–330 V
0–660 V
0.89
0.90
0.90
0.91
0.91
Efficiency:
1.
2.
3.
4.
5.
6.
6
Minimum output voltage is <0.3% of rated voltage at zero output setting.
Minimum output current is <0.2% of rated current at zero output setting when measured with rated load resistance.
For input voltage variation over the AC input voltage range, with constant rated load.
For 0–100% load variation, with constant nominal line voltage.
Current mode noise is measured from 10% to 100% of rated output voltage, full current, unit in CC mode.
Typical efficiency at nominal input voltage and full output power.
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Specifications and Characteristics
Electrical Specifications—Summary
Table E.4Drift Specifications for 6000 Watt units (80V to 600V Models)
Models
80–75
100–60
150–40
300–20
600–10
Drift (30 minutes): 1
Voltage (0.04% of Vmax)
Current (0.6% of Imax)
32 mV
450 mA
40 mV
360 mA
60 mV
240 mA
120 mV
120 mA
240 mV
60 mA
Drift (8 hours): 2
Voltage (0.02% of Vmax)
Current (0.04% of Imax)
16 mV
30 mA
20 mV
24 mA
30 mV
16 mA
60 mV
8 mA
120 mV
4 mA
Temperature Coefficient: 3
Voltage (0.04% of Vmax/°C)
Current (0.06% of Imax/°C)
32 mV
45 mA
40 mV
36 mA
60 mV
24 mA
120 mV
12 mA
240 mV
6 mA
1. Maximum drift over 30 minutes with constant line, load, and temperature, after power on.
2. Maximum drift over 8 hours with constant line, load, and temperature, after 30 minute warm-up.
3. Change in output per °C change in ambient temperature, with constant line and load.
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Specifications and Characteristics
Electrical Specifications—Summary
Table E.5Specifications for 12000 Watt units (10V to 60V Models)
Models
10-1200
20-600
30-400
40-300
60-200
Output Ratings:
Output Voltage 1
Output Current 2
Output Power
0–10 V
0–1200 A
12000 W
0–20 V
0–600 A
12000 W
0–30 V
0–400 A
12000 W
0–40 V
0–300 A
12000 W
0–60 V
0–200 A
12000 W
Line Regulation: 3
Voltage (0.01% of Vmax)
Current (0.1% of Imax)
1 mV
1200 mA
2 mV
600 mA
3 mV
400 mA
4 mV
300 mA
6 mV
200 mA
Load Regulation: 4
Voltage (0.05% of Vmax + 5 mV)
Current (0.2% of Imax + 40 mA)
10 mV
2440 mA
15 mV
1240 mA
20 mV
840 mA
25 mV
640 mA
35 mV
440 mA
Meter Accuracy:
Voltage (0.15% of Vmax)
Current (0.5% of Imax)
15 mV
6A
30 mV
3A
45 mV
2.0 A
60 mV
1.5 A
90 mV
1A
Output Noise (0–20 MHz):
Voltage (p–p)
75 mV
75 mV
75 mV
75 mV
100 mV
Output Ripple (rms):
Voltage
Current 5
10 mV
6200 mA
10 mV
3200 mA
12 mV
2000 mA
15 mV
1500 mA
15 mV
900 mA
OVP Adjustment Range:
(0% to 103% of Vmax)
0–10.3 V
0–20.6 V
0–30.9 V
0–41.2 V
0–61.8 V
Efficiency: 6
0.85
0.87
0.87
0.87
0.89
1.
2.
3.
4.
5.
6.
Minimum output voltage is <0.3% of rated voltage at zero output setting.
Minimum output current is <0.2% of rated current at zero output setting when measured with rated load resistance.
For input voltage variation over the AC input voltage range, with constant rated load.
For 0–100% load variation, with constant nominal line voltage.
Current mode noise is measured from 10% to 100% of rated output voltage, full current, unit in CC mode.
Typical efficiency at nominal input voltage and full output power.
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Specifications and Characteristics
Electrical Specifications—Summary
Table E.6Drift Specifications for 12000 Watt units (10V to 60V Models)
Models
10–1200
20–600
30–400
40–300
60–200
Drift (30 minutes): 1
Voltage (0.04% of Vmax)
Current (0.6% of Imax)
4 mV
7200 mA
8 mV
3600 mA
12 mV
2400 mA
16 mV
1800 mA
24 mV
1200 mA
Drift (8 hours): 2
Voltage (0.02% of Vmax)
Current (0.05% of Imax)
2 mV
600 mA
4 mV
300 mA
6 mV
200 mA
8 mV
150 mA
12 mV
100 mA
Temperature Coefficient: 3
Voltage (0.04% of Vmax/°C)
Current (0.06% of Imax/°C)
4 mV
720 mA
8 mV
360 mA
12 mV
240 mA
16 mV
180 mA
24 mV
120 mA
1. Maximum drift over 30 minutes with constant line, load, and temperature, after power on.
2. Maximum drift over 8 hours with constant line, load, and temperature, after 30 minute warm-up.
3. Change in output per °C change in ambient temperature, with constant line and load.
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Specifications and Characteristics
Electrical Specifications—Summary
Table E.7Specifications for 12000 Watt units (80V to 600V Models)
Models
80–150
100–120
150–80
300–40
600–20
Output Ratings:
Output Voltage 1
Output Current 2
Output Power
0–80 V
0–150 A
12000 W
0–100 V
0–120 A
12000 W
0–150 V
0–80 A
12000 W
0–300 V
0–40 A
12000 W
0–600 V
0–20 A
12000 W
Line Regulation: 3
Voltage (0.01% of Vmax)
Current (0.1% of Imax)
8 mV
150 mA
10 mV
120 mA
15 mV
80 mA
30 mV
40 mA
60 mV
20 mA
Load Regulation: 4
Voltage (0.05% of Vmax + 5 mV)
Current (0.2% of Imax + 40 mA)
45 mV
340 mA
55 mV
280 mA
80 mV
120 mA
155 mV
100 mA
305 mV
60 mA
Meter Accuracy:
Voltage (0.15% of Vmax)
Current (0.5% of Imax)
120 mV
750 mA
150 mV
600 mA
225 mV
400 mA
450 mV
200 mA
900 mV
100 mA
Output Noise (0–20 MHz):
Voltage (p–p)
100 mV
100 mV
150 mV
250 mV
350 mV
Output Ripple (rms):
Voltage
Current 5
15 mV
640 mA
20 mV
460 mA
20 mV
240 mA
30 mV
100 mA
80 mV
50 mA
OVP Adjustment Range:
(0% to 110% of Vmax)
0–88 V
0–110 V
0–165 V
0–330 V
0–660 V
0.89
0.90
0.90
0.91
0.91
Efficiency:
1.
2.
3.
4.
5.
6.
6
Minimum output voltage is <0.3% of rated voltage at zero output setting.
Minimum output current is <0.2% of rated current at zero output setting when measured with rated load resistance.
For input voltage variation over the AC input voltage range, with constant rated load.
For 0–100% load variation, with constant nominal line voltage.
Current mode noise is measured from 10% to 100% of rated output voltage, full current, unit in CC mode.
Typical efficiency at nominal input voltage and full output power.
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Specifications and Characteristics
Electrical Specifications—Summary
Table E.8Drift Specifications for 12000 Watt units (80V to 600V Models)
Models
80–150
100–120
150–80
300–40
600–20
Drift (30 minutes): 1
Voltage (0.04% of Vmax)
Current (0.6% of Imax)
32 mV
900 mA
40 mV
720 mA
60 mV
480 mA
120 mV
240 mA
240 mV
120 mA
Drift (8 hours): 2
Voltage (0.02% of Vmax)
Current (0.05% of Imax)3
16 mV
75 mA
20 mV
60 mA
30 mV
40 mA
60 mV
20 mA
120 mV
16 mA
Temperature Coefficient: 4
Voltage (0.04% of Vmax/°C)
Current (0.06% of Imax/°C)
32 mV
90 mA
40 mV
72 mA
60 mV
48 mA
120 mV
24 mA
240 mV
12 mA
1.
2.
3.
4.
Maximum drift over 30 minutes with constant line, load, and temperature, after power on.
Maximum drift over 8 hours with constant line, load, and temperature, after 30 minute warm-up.
Current drift for 600V-20A unit is 0.08% of Imax.
Change in output per °C change in ambient temperature, with constant line and load.
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Specifications and Characteristics
AC Line Input Specifications
AC Line Input Specifications
The input to the power supply requires the following specifications.
AC Line Input
Voltage
Operating
Ranges Table E.9AC Line Input Specifications
Operating Range
nominal 208Vrms (Standard)
nominal 400Vrms (with HV-Input option)
Frequency Range
190 to 242 Vac 3 φ (3 wire + safety
ground)
342 to 500 Vac 3 φ (3 wire + safety
ground)
47 to 63 Hz
Maximum Peak In-rush Current at turn on 35 Arms (6000 Watt)
70 Arms (12000 Watt)
Minimum Power Factor1
nominal 208Vrms (Standard)
nominal 400Vrms (with HV-Input option)
Operating Current
nominal 208Vrms (Standard)
Maximum2
Typical3
Operating Current
nominal 400Vrms (with HV-Input option)
Maximum4
Typical5
1.
2.
3.
4.
5.
236
0.95
0.9
24 A (6000 Watt)
48 A (12000 Watt)
20 A (6000 Watt)
40 A (12000 Watt)
13 A (6000 Watt)
26 A (12000 Watt)
11 A (6000 Watt)
22 A (12000 Watt)
At nominal input voltage and maximum power
At 190Vac input voltage, 55°C ambient temperature and maximum power
At 208Vac input voltage, 25°C ambient temperature and maximum power
At 342Vac input voltage, 50°C ambient temperature and maximum power
At 400Vac input voltage, 25°C ambient temperature and maximum power
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Specifications and Characteristics
Output Performance Specifications
Output Performance Specifications
These specifications define the electrical performance specifications of the power
supply output. These specifications apply to both local and remote sense
configurations, except where noted. These specifications apply to all programming
sources, except where noted.
Rated Output Range
Voltage
0–100%
Current
0–100%
Efficiency
•
•
Typical 89% efficiency at nominal line voltage and ambient temperature.
Minimum 82% efficiency. Specific minimum efficiency limits are model
dependent.
Load Regulation
Voltage
5 mV + 0.05% of Vmax
Current
6000 W: 20 mA + 0.1% of Imax
12000 W: 40 mA + 0.2% of Imax
Power
1% of Pmax
Line Regulation
Voltage
0.01% of Vmax
Current
6000 W: 0.05% of Imax
12000 W: 0.1% of Imax
Power
1% of Pmax
Programming Range for Voltage, Current, and Power
Voltage and Current
From 0–103% of the rated maximum output
Power
From 3–103% of the rated maximum output
OVP Programming Range
• 0–103% of maximum rated voltage
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Specifications and Characteristics
Output Performance Specifications
Typical Programming Resolution
Front Panel or Remote Digital Interface
Voltage
Current
Power
Over Voltage Protection
0.002% of Vmax
0.002% of Imax
0.05% of Pmax
0.002% of Vmax
Remote Analog Programming Interface
Voltage
Current
0.002% of Vmax
0.002% of Imax
Typical Measurement Resolution
Front Panel or Remote Digital Interface
Voltage
Current
Power
0.002% of Vmax
0.002% of Imax
0.05% of Pmax
Remote Analog Programming Interface
Voltage
Current
0.002% of Vmax
0.002% of Imax
Programming Accuracy1
Front Panel or Remote Digital Interface
Voltage Programming
Current Programming
Power Programming
Over voltage
Programming
0.1% of Vmax
0.5% of Imax
0.5% of Pmax
0.1% of Vmax
Remote Analog Programming Interface
Voltage Programming
Current Programming
0.2% of Vmax
0.5% of Imax
Readback Accuracy
Front Panel or Remote Digital Interface
Voltage Readback
Current Readback
Power Readback
0.15% of Vmax
0.5% of Imax
0.5% of Pmax
Remote Analog Programming Interface
Voltage Readback
Current Readback
0.3% of Vmax
0.5% of Imax
1. Accuracy specifications apply for settings in range of 1% to 100% of rated output
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Specifications and Characteristics
Output Performance Specifications
30 Minute Drift1
Voltage
0.04% of Vmax
Current
0.6% of Imax
Power
6000W: 1% of Pmax
12000W: 2% of
Pmax
8 Hour Drift Temperature Stability2
Voltage
0.02% of Vmax
Current
6000W: 0.04% of Imax
12000W: 0.05% of imax
12000W 600V model: 0.08% of Imax
Power
0.1% of Pmax
Temperature Coefficients
Front Panel or Remote Digital Interface
Voltage Programming
Current Programming
Power Programming
Voltage Readback
Current Readback
Power Readback
0.04% of Vmax/°C
0.06% of Imax/°C
0.1% of Pmax/°C
0.04% of Vmax/°C
0.06% of Imax/°C
0.1% of Pmax/°C
Remote Analog Programming Interface
Voltage Programming
Current Programming
Voltage Readback
Current Readback
0.04% of Vmax/°C
0.06% of Imax/°C
0.04% of Vmax/°C
0.06% of Imax/°C
Analog Programming Interface
Programming Lines, Impedance
0-5 Vdc range
0-10 Vdc range
>30 kOhm
>30 kOhm
Readback Lines, Impedance
0-5 Vdc range
0-10 Vdc range
<500 Ohm
<1 kOhm
Isolation, all program and readback lines
300 Vdc with respect to chassis potential or negative output
1. At 25°C ±5°C, with full power load
2. At 25°C ±5°C after 30 minutes full load operation
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239
Specifications and Characteristics
Output Performance Specifications
User Line Interface
Includes auxiliary status lines, interlock, and external trigger lines.
Maximum Current Sink
Capability, Each Output
10 mA
Maximum Supply Voltage
15 Vdc
Minimum Supply Voltage
4 Vdc
Isolation
300 Vdc with respect to chassis
potential or negative output
Switching Frequency
Typical 31 kHz; 62 kHz output ripple
Rise Time
5 to 95% step in output voltage.
Load Condition
Time (Max)
No Load
100 ms
Full Load
100 ms
Fall Time
For a programmed 95% to 5% step in output voltage.
Load Condition
No Load
1
Full Load
Time (Max)
3s
50 ms
1. Fall time is ≤ 4s for 300 V and 600 V units.
Time Delay From Power On Until Output Stable
5 s maximum
(Within regulation envelope)
Time Delay From Output Enable Until Output Stable
2 s maximum
(Within regulation envelope)
Output Hold-Up Time – Power Off
Minimum 4 ms (at full load)
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Specifications and Characteristics
Output Performance Specifications
Output Hold-Up Time – Source Interruption
Minimum 4 ms with output deviation less than 5% of maximum output voltage after
source interruption.
Transient Response Time1
Time to recover within 0.75% of rated output of previous level after step change in
load current between 50% and 100%.
Mode
Time
Voltage Mode
3 ms (6000 W models)
Voltage Mode
35 ms (12000 W models)
Mode Crossover
Maximum deviation as a percentage of rated output voltage.
CV – CC Overshoot
1%
Peak–Peak and RMS Noise Bandwidth Limits
The frequency range for Peak to Peak measurements is 10 Hz–20 MHz.
The frequency range for RMS measurements is 10 Hz–100 kHz.
Maximum Remote Sense Line Drop Compensation
Minimum 3.8 V for each line, 5 V typical
Isolation
AC Input to Output
1350 Vac
AC Input to Chassis
1350 Vac
Output to Chassis
600 Vac
1.
Time for the output voltage to recover within 0.75% of rated output of its previous level
after a step change in load current of up to 50% - 100% and 100% to 50% of rated
output
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241
Specifications and Characteristics
Environmental Specification
Environmental Specification
Thermal
Specification
Operating Altitude
Up to 6,500 feet (2,000 m)
Storage Altitude
Up to 50,000 feet (15,000 m)
Installation Category
II (IEC 1010-1)
Polution Degree
2 (IEC 1010-1)
Operating Temperature Range
0°C–50°C1
Storage Temperature Range
–40°C–+85°C
1.
Humidity
Specification
Consult the factory for operation below 0°C and above
50°C.
Operating Humidity Range < 95% RH, Non-condensing
Storage Humidity Range
< 95% RH, Non-condensing
International Approvals
CE-marked units meet: EN61010-1, EN50081-2 and EN500082-2.
CSA C/US certified to C22.2 No 1010.1 and UL3111-1.
Meets USA EMC standard: FCC, part 15, class A.
Meets Canadian ECMC standard: ICES-001.
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Specifications and Characteristics
Mechanical Specification
Mechanical Specification
Weight 6000 W: approx. 75 lb. (34 kg) for 10 V-600 A unit, without packaging
12000 W: approx. 170 lb. (77 kg) for 10 V-1200 A unit, without packaging
Size
21 in.
533 mm
22.78 in.
18.2 in. 579 mm
462 mm
19 in.
483 mm
5.22 in.
133 mm
Figure E.1 Power Supply Dimensions (6000 Watt unit)
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Specifications and Characteristics
Mechanical Specification
22.23 in.
565 mm
23.73 in.
603 mm
19 in.
483 mm
10.37 in.
263 mm
Figure E.2 Power Supply Dimensions (12000 Watt unit)
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Index
Index
A
AC input connector 30, 40
AC input power 40
AC input wires
connecting 41, 43
illustrated 42, 44
specification 41
AC off
auto-recovery 71
active power factor correction 21
ADR display annunciator 29
air intake vents 23
ALARM display annunciator 29
ALARM key 25
alarms 72
analog control mode described 31
analog programming
connections 108
pins 109
using 112
analog programming lines 107
approvals
Canadian EMC Requirements viii
CSA viii
FCC viii
UL viii
AUTO display annunciator 29
AUTO SEQ (menu option) 87
AUTO SEQ PGM (menu item) 62, 87
auto sequencing 136
deleting a sequence 91, 94, 139
editing a sequence step 92
function keys 97
inserting a sequence step 93
operation 137, 140
operation via front panel 97
programming a sequence 88, 138
recalling 97
repetitions 95, 138
running a program 97
trigger source 96, 139
automatic mode crossover 59
AUX A display annunciator 29
AUX B display annunciator 29
auxiliary 134
B
bar graph
current 28
power 28
voltage 28
bar graphs display annunciator 29
C
calibration
change code 181
front panel procedure 183
mode 179
overview 179
remote interface procedure 187
restore factory defaults 192
CALIBRATION (menu item) 63
calibration operating state 58
Canadian EMC Requirements viii
CANbus 113
CANbus port 30
CC display annunciator 29
CE key 25
command errors, list of 216
constant current (CC) mode 59
constant power (CP) mode 59
constant voltage (CV) mode 59
control knobs
locking out voltage 99
locking out voltage and current 98
unlocking 99
control modes 31
analog mode described 31
GPIB mode described 31
local mode described 31
multichannel mode described 31
RS-232 mode described 31
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245
Index
control options
configuring remote control source 76
described 21
GPIB 21
remote vs local 74
RS-232 21
SCPI 21
selecting remote control source 75
CP display annunciator 29
CSA approval viii
current bar graph 28
current carrying capacity for load wiring 48
CURRENT key 24, 61
current knob
described 24, 63
illustrated 23
current limit, setting 101
current mode operation test 47
current output setpoint, setting 64
current share
configure 174
errors 176
operation 176
overview 173
setup 175
specifications 177
CURRENT SHARE (menu item) 62
current sharing 30
CV display annunciator 29
D
DC output 30
decimal key, described 25
defaults
configuring power on 123
saving 127
device-specific errors, list of 218
digital processing 21
display
defaults 104
display annunciators
ADR 29
ALARM 29
AUTO 29
AUX A 29
246
AUX B 29
bar graphs 29
CC 29
CP 29
CV 29
ERR 29
illustrated 28
Interlock 29
LCL 29
Master 29
OTP 29
OUT OFF 29
OUT ON 29
OVP 29
Pause 29
RMT 29
SEQ 29
Set 29
Slave 29
SRQ 29
Trigger? 29
DISPLAY CFG (menu item) 62, 98
display test 45
down arrow key 25
E
END key 24
ENTER key 25
ERR display annunciator 29
error messages 135
For individual error codes and error message
descriptions, see Appendix E. 215
command errors 216
device-specific errors 218
execution errors 216
operation complete event 219
query errors 219
reading 81, 135
user request event 219
ERROR MSGS (menu item) 62
execution errors, list of 216
exhaust fan 30
exhaust vents 30
EXIT key 25, 62
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Index
F
factory default settings 31
FCC compliance viii
fold protection
options 70, 132
setting 71
front panel controls 61
front panel, illustrated 22, 28
function keys
ALARM 25
CE 25
CURRENT 24, 61
ENTER 25
EXIT 25, 62
LCL/RMT 24, 61
MENU 25
OUT ON/OFF 24, 61
PROT SET 25, 62
RECALL 25, 62
STORE 24, 61
VOLTAGE 24, 61
G
General Purpose Interface Bus. See GPIB.
GPIB
configuration 121
connection 120
electrical specifications 225
location 107
mechanical specifications 225
performance specifications 225
protocol specifications 224
using 122
GPIB control mode described 31
GPIB port 30
ground screw 30
I
identification 142
IEC viii
IEC symbols
Caution vii
Earth (Ground) Terminal vii
Off (supply) vii
On (supply) vii
Protective Conductor Terminal vii
Warning (Shock Hazard) vii
incorrect code 180
information about your power supply 104, 142
input connector 40
input power 40
input wires
connecting 45
recommended size 41
specifications 41, 42, 44
installation
AC input power 40
connecting multiple loads 52
connecting single load 51
inspecting the power supply 34
load wiring 48
location 37
mounting 37
rack mounting 37
tests 45
ventilation requirements 39
Interlock display annunciator 29
K
keypad, illustrated 23, 24
KNOB LOCKOUT (menu item) 63, 98
L
LCL display annunciator 29
LCL/RMT key 24, 61
limits, changing setpoint 100
load connections
illustrated 52
wire size 50
load wiring
current carrying capacity 48
length 49
noise and impedance 49
local control mode, described 31
local lockout 128
local mode
changing 128
locking out voltage and current knobs 98
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247
Index
M
maintenance 34
Master display annunciator 29
menu
navigation 62
menu items
AUTO SEQ PGM 62
CALIBRATION 63
CURRENT SHARE 62
DISPLAY CFG 62
ERROR MSGS 62
KNOB LOCKOUT 63
MODEL INFO 63
PON CONFIG 62
POWER SETPT 62
REMOTE CONFIG 62
REMOTE SELECT 62
S/D RECOVERY 62
SETPT LIMIT 63
SLEW RATE 63
USER LINES 62
MENU key 25
MODEL INFO (menu item) 63, 104
model information, viewing 104
multichannel
commands 116
configuration 114
connections 21, 113
control mode described 31
operation 30, 115
setup 114
multiple loads, connecting 52
N
noise and impedance on lines 49
normal operation operating state 58
numeric keypad, described 25
O
On/Off switch 23
operating states
calibration 58
normal operation 58
output shutdown 58
248
power-on 58
soft start 58
operation
control modes 31
overview 31
power on 31
operation (local control mode) 57
powering off 58
powering on 57
operation complete event error 219
OTP display annunciator 29
OUT OFF display annunciator 29
OUT ON display annunciator 29
OUT ON/OFF key 24, 61
output
enabling 128
setting current 64
setting power 65
output shutdown operating state 58
output wires
fastening 52
illustrated 52
over-temperature protection
auto-recovery 71
latched 71
OVP display annunciator 29
P
Pause display annunciator 29, 97
PON CONFIG (menu item) 62
power bar graph 28
power limit, setting 102
power on 31
power on settings
auto sequence 87
configuring 84
factory preset 85
last setting 86
user setting 86
power on test 46
power output setpoint 65
power output, viewing 104
POWER SETPT (menu item) 62
powering off 58
powering on 57
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Index
power-on operating state 58
programming capability 22
PROT SET key 25, 62
protection 65
AC off 133
clearing 134
fold 70, 132
over current (OCP) 68, 130
over power (OPP) 69, 131
over temperature (OTP) 133
over voltage (OVP) 67, 130
shutdown recovery 71
under current (UCP) 69, 131
under power (UPP) 70, 131
under voltage (UVP) 68, 130
query errors, list of 219
selecting source 75
remote control modes, described 60
remote control vs local control 74
remote mode
changing 128
REMOTE SELECT (menu item) 62
remote sensing 56
remote sensing ports 30
reset 125
RMT display annunciator 29
RS-232
configuration 118
connection 118
location 107
using 119
RS-232 control mode described 31
RS-232 port 30
RUN/PAUSE key 24
R
S
Q
rack mounting
illustrated 39
procedure 37
readback
configure display 98
default display 104
readback capability 22
rear panel
described 30
illustrated 30
RECALL key 25, 62
recall memory options
auto sequence 79
factory preset 79
last setting 79
user settings 79
regulation modes
automatic mode crossover 59
constant current 59
constant power 59
constant voltage 59
REMOTE CONFIG (menu item) 62
remote control
configuring remote control source 76
S/D RECOVERY (menu item) 62
SCPI
version 142
SCPI commands 123
for specific items, see the Table of Contents at the
beginning of Appendix B.
parameter types 197
using 195
security code 181
self-tests
current mode operation test 47
display test 45
equipment required 45
power on test 46
voltage mode operation test 46
sense protection 66
SEQ display annunciator 29
Set display annunciator 29
setpoints
changing 128
soft limits 100, 129
SETPT LIMIT (menu item) 63, 100
settings
factory default 31
power on 84
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249
Index
recall 79, 127
user 77, 127
shutdown recovery 71
single load, connecting 51
Slave display annunciator 29
slew rate
overview 102
programming via SCPI 141
setting 103
SLEW RATE (menu item) 63
soft start operating state 58
soft switching power 21
specifications
electrical 228
environmental 242
For a more detailed list of specification items, see
the Table of Contents at the beginning of Appendix
E. 227
SRQ display annunciator 29
Standard Commands for Programmable Instruments.
See SCPI commands.
status conditions, listed 83
status register 142
commands 157
condition 142
current 152
current share 148
enable 143
event 142
power 152
questionable 149
remote control 147
standard event 153
status byte 155
temperature 153
transition filters 143
voltage 152
STORE key 24, 61
T
terminal blocks 30
TRIGGER key 24
Trigger? display annunciator 29, 97
triggering 136
auto sequence 90, 96, 139
external input 108
setpoints 129
sources 136
U
UL approval viii
unlocking control knobs 99
up arrow key 25
user lines 83, 107, 109
Also see triggering interlock auxiliary status lines
USER LINES (menu item) 62
user request event error 219
user settings
changing 78
recalling settings 79
storing 77
V
vacuum fluorescent display 22, 23
ventilation 39
VIEW MODEL INFO (menu item) 104
voltage bar graph 28
VOLTAGE key 24, 61
voltage knob
described 24, 63
illustrated 23
locking out 99
voltage limit
setting 100, 129
voltage mode operation test 46
W
wire specification (AC) 41
250
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Xantrex Technology Inc.
8999 Nelson Way
Burnaby, British Columbia
Canada V5A 4B5
604 422 8595 Tel
604 421 3056 Fax
800 667 8422 Toll Free North America
[email protected]
www.xantrex.com
TM-XDOP-01XN
PRINTED IN CANADA
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