Tektronix VX1411 Manual

Tektronix VX1411 Manual
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Instruction Manual
VX1411
VXIbus Mainframe
070-9602-00
Warning
The servicing instructions are for use by qualified
personnel only. To avoid personal injury, do not
perform any servicing unless you are qualified to
do so. Refer to the Safety Summary prior to
performing service.
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Copyright Tektronix, Inc. All rights reserved.
Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes
that in all previously published material. Specifications and price change privileges reserved.
Printed in the U.S.A.
Tektronix, Inc., P.O. Box 1000, Wilsonville, OR 97070–1000
TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.
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WARRANTY
Tektronix warrants that the products that it manufactures and sells will be free from defects in materials and workmanship
for a period of three (3) years from the date of shipment. If a product proves defective during this warranty period,
Tektronix, at its option, either will repair the defective product without charge for parts and labor, or will provide a
replacement in exchange for the defective product.
In order to obtain service under this warranty, Customer must notify Tektronix of the defect before the expiration of the
warranty period and make suitable arrangements for the performance of service. Customer shall be responsible for
packaging and shipping the defective product to the service center designated by Tektronix, with shipping charges prepaid.
Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the
Tektronix service center is located. Customer shall be responsible for paying all shipping charges, duties, taxes, and any
other charges for products returned to any other locations.
This warranty shall not apply to any defect, failure or damage caused by improper use or improper or inadequate
maintenance and care. Tektronix shall not be obligated to furnish service under this warranty a) to repair damage resulting
from attempts by personnel other than Tektronix representatives to install, repair or service the product; b) to repair
damage resulting from improper use or connection to incompatible equipment; c) to repair any damage or malfunction
caused by the use of non-Tektronix supplies; or d) to service a product that has been modified or integrated with other
products when the effect of such modification or integration increases the time or difficulty of servicing the product.
THIS WARRANTY IS GIVEN BY TEKTRONIX IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR
IMPLIED. TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. TEKTRONIX’ RESPONSIBILITY TO
REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO
THE CUSTOMER FOR BREACH OF THIS WARRANTY. TEKTRONIX AND ITS VENDORS WILL NOT BE
LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES IRRESPECTIVE
OF WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH
DAMAGES.
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Table of Contents
General Safety Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Safety Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
vii
ix
xi
Getting Started
Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Standard Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Optional Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Selecting the Correct Power Cord and Fuse . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Functional Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1–1
1–1
1–4
1–5
1–5
1–6
1–17
1–22
Operating Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fan Speed Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2–1
2–2
Backplane Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3–1
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4–1
Operating Basics
Reference
Specifications
Performance Verification
Equipment Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DC Voltage Regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5–1
5–1
Service Strategy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning the Fan Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal and Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tools Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Procedure 1: Removing the Fan Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Procedure 2: Removing the Fan Control Board . . . . . . . . . . . . . . . . . . . . . . . . . .
Procedure 3: Removing the Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Procedure 4: Removing the Card Guides . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Procedure 5: Replacing the Top and Bottom Nut Rails . . . . . . . . . . . . . . . . . . . .
Procedure 6: Removing the Backplane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6–1
6–1
6–2
6–2
6–2
6–3
6–4
6–4
6–4
6–7
6–7
6–9
6–11
6–12
Maintenance
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i
Table of Contents
Troubleshooting Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Equipment List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diagnostic Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fault Isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Repackaging Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6–14
6–14
6–14
6–14
6–14
6–15
6–15
Parts Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VX1411 Mainframe Common Replaceable Parts . . . . . . . . . . . . . . . . . . . . . . . .
Using the Replaceable Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7–1
7–2
7–3
Appendix A: Power Budget Worksheet . . . . . . . . . . . . . . . . . . . . . . . . .
A–1
Replaceable Parts
Appendicies
Glossary
Index
ii
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Table of Contents
List of Figures
Figure 1–1: Installing the Option 1U 1.75-inch deep cable tray . . . . .
1–7
Figure 1–2: Installing the Option 1U 2.5-inch deep cable tray . . . . . .
1–8
Figure 1–3: Installing the Option 1U 4.25-inch deep cable tray . . . . .
1–9
Figure 1–4: Installing the rackmount kit hardware . . . . . . . . . . . . . . .
1–11
Figure 1–5: Assembling the slide-out track assemblies . . . . . . . . . . . .
1–12
Figure 1–6: Vertical clearance for rack installation
(standard mainframe) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1–13
Figure 1–7: Installing the slide-out track assemblies
in the rack (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1–14
Figure 1–8: Installing the rackmount door (Option 2R) . . . . . . . . . . .
1–16
Figure 1–9: Installing the empty slot panel fillers . . . . . . . . . . . . . . . .
1–18
Figure 1–10: Locations of safety and chassis ground connections on left rear
of the mainframe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1–19
Figure 1–11: Installing the backplane EMI DIN Shields . . . . . . . . . . .
1–20
Figure 1–12: Installing the EMI intermodule shield and front panel EMI
fillers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1–21
Figure 2–1: Front view of the VX1411 Mainframe . . . . . . . . . . . . . . .
2–1
Figure 2–2: Power output fan versus temperature for
the 2 fan speeds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2–2
Figure 2–3: Rear View of the VX1411 Mainframe . . . . . . . . . . . . . . . .
2–3
Figure 4–1: Power output versus temperature for the 2 fan speeds . .
4–4
Figure 4–2: Mainframe cooling curve . . . . . . . . . . . . . . . . . . . . . . . . . .
4–5
Figure 4–3: Front view and side view of VX1411 Mainframe . . . . . . .
4–10
Figure 4–4: Front view and side view of VX1411 Mainframe with Option 1U
and rackmount option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4–11
Figure 6–1: Removing the Fan Filter . . . . . . . . . . . . . . . . . . . . . . . . . .
6–3
Figure 6–2: Location of Fan Assembly Screws on the
Rear of the Mainframe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6–5
Figure 6–3: Removing the Fan Assembly . . . . . . . . . . . . . . . . . . . . . . .
6–6
Figure 6–4: Removing the Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6–6
Figure 6–5: Removing the fan control board . . . . . . . . . . . . . . . . . . . .
6–7
Figure 6–6: Removing the Power Supply Interface Board . . . . . . . . .
6–8
Figure 6–7: Removing the Top and Bottom Card Guides . . . . . . . . . .
6–10
Figure 6–8: Replacing the Top and Bottom Nut Rails . . . . . . . . . . . . .
6–11
Figure 6–9: Removing the Backplane . . . . . . . . . . . . . . . . . . . . . . . . . .
6–13
Figure 6–10: Mainframe block diagram . . . . . . . . . . . . . . . . . . . . . . . .
6–17
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iii
Table of Contents
Figure 7–1: Cabinet and Chassis Assembly . . . . . . . . . . . . . . . . . . . . .
Figure 7–2: Circuit Boards and Chassis Parts . . . . . . . . . . . . . . . . . . .
Figure 7–3: Power Supply and Fan Assembly . . . . . . . . . . . . . . . . . . .
Figure 7–4: 1R Rackmount Assembly . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 7–5: 2R Rackmount and Door Assembly . . . . . . . . . . . . . . . . .
Figure 7–6: Option 1U Cable Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . .
iv
7–7
7–9
7–11
7–13
7–15
7–17
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Table of Contents
List of Tables
Table 1–1: VX1411 Mainframe options and upgrade kits . . . . . . . . .
Table 1–2: Power cord identification . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–3: Line fuse application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–4: Power supply voltages P1 and P2 of the extender card . .
Table 3–1: P1 Connector pinouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–2: P2 Connector pinouts for slots 1 – 12 . . . . . . . . . . . . . . . .
Table 3–3: P2 Connector pinouts for slot 0 . . . . . . . . . . . . . . . . . . . . .
Table 4–1: AC power source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 4–2: Secondary power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 4–3: Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 4–4: Environmental . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 4–5: Certifications and compliances . . . . . . . . . . . . . . . . . . . . . .
Table 4–6: Backplane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 4–7: Mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 4–8: VXI and VXIplug&play . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 6–1: Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 7–1: VX1411 Mainframe Common Replaceable Parts . . . . . . .
Table 7–2: Parts list column descriptions . . . . . . . . . . . . . . . . . . . . . . .
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1–3
1–4
1–5
1–22
3–1
3–2
3–3
4–1
4–2
4–4
4–6
4–7
4–8
4–8
4–11
6–14
7–2
7–3
v
General Safety Summary
Review the following safety precautions to avoid injury and prevent damage to
this product or any products connected to it.
Only qualified personnel should perform service procedures.
While using this product, you may need to access other parts of the system. Read
the General Safety Summary in other system manuals for warnings and cautions
related to operating the system.
To avoid potential hazards use this product only as specified.
Injury Precautions
Use Proper Power Cord. To avoid fire hazard, use only the power cord specified
for this product.
Avoid Electric Overload. To avoid electric shock or fire hazard, do not apply a
voltage to a terminal that is outside the range specified for that terminal.
Avoid Overvoltage. To avoid electric shock or fire hazard, do not apply potential
to any terminal, including the common terminal, that varies from ground by
more than the maximum rating for that terminal.
Avoid Electric Shock. To avoid injury or loss of life, do not connect or disconnect
probes or test leads while they are connected to a voltage source.
Ground the Product. This product is grounded through the grounding conductor
of the power cord. To avoid electric shock, the grounding conductor must be
connected to earth ground. Before making connections to the input or output
terminals of the product, ensure that the product is properly grounded.
Do Not Operate Without Covers. To avoid electric shock or fire hazard, do not
operate this product with covers or panels removed.
Use Proper Fuse. To avoid fire hazard, use only the fuse type and rating specified
for this product.
Do Not Operate in Wet/Damp Conditions. To avoid electric shock, do not operate
this product in wet or damp conditions.
Do Not Operate in an Explosive Atmosphere. To avoid injury or fire hazard, do not
operate this product in an explosive atmosphere.
Product Damage
Precautions
Use Proper Power Source. Do not operate this product from a power source that
applies more than the voltage specified.
Provide Proper Ventilation. To prevent product overheating, provide proper
ventilation.
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vii
General Safety Summary
Do Not Operate With Suspected Failures. If you suspect there is damage to this
product, have it inspected by qualified service personnel.
Symbols and Terms
Terms in this Manual. These terms may appear in this manual:
WARNING. Warning statements identify conditions or practices that could result
in injury or loss of life.
CAUTION. Caution statements identify conditions or practices that could result in
damage to this product or other property.
Terms on the Product. These terms may appear on the product:
DANGER indicates an injury hazard immediately accessible as you read the
marking.
WARNING indicates an injury hazard not immediately accessible as you read the
marking.
CAUTION indicates a hazard to property including the product.
Symbols on the Product. The following symbols may appear on the product:
DANGER
High Voltage
viii
Protective Ground
(Earth) Terminal
ATTENTION
Refer to Manual
Double
Insulated
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Service Safety Summary
Only qualified personnel should perform service procedures. Read this Service
Safety Summary and the General Safety Summary before performing any service
procedures.
Do Not Service Alone. Do not perform internal service or adjustments of this
product unless another person capable of rendering first aid and resuscitation is
present.
Disconnect Power. To avoid electric shock, disconnect the main power by means
of the power cord or, if provided, the power switch.
Use Care When Servicing With Power On. Dangerous voltages or currents may
exist in this product. Disconnect power, remove battery (if applicable), and
disconnect test leads before removing protective panels, soldering, or replacing
components.
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ix
Preface
The VX1411 Mainframe Instruction Manual provides information on using the
mainframe. The manual includes the following chapters:
H
Getting Started provides a brief description of the VX1411 Mainframe, a list
of accessories that accompany the mainframe, installation and configuration
procedures, and a functional check procedure.
H
Operating Basics provides a functional overview of the mainframe and
includes illustrations of the main components.
H
Specifications lists all of the warranted characteristics, nominal traits, and
typical characteristics of the mainframe.
H
Performance Verification includes the performance verification procedures
used to verify the advertised specifications of the mainframe.
H
Maintenance is intended for qualified service personnel who need to service
the mainframe. Module-level removal and replacement procedures and
troubleshooting procedures are included in this chapter.
H
Replaceable Parts includes a list of replaceable mechanical and electrical
parts for the mainframe to be used with the maintenance chapter. It also
includes the exploded view diagrams of the mainframe and options.
H
Appendices include a power budget.
H
Glossary.
H
Index.
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xi
Getting Started
This chapter provides an overview of the VX1411 Mainframe. It includes
installation and configuration information on user installed options.
Product Description
The VX1411 Mainframe is a 13-slot, C-size, VXIbus Mainframe. It fully
complies with the VXIbus Specification 1.4 requirements and is VXIplug&play
compatible. The mainframe has the following features:
H
Adequate available power for the majority of applications
H
Intelligent cooling for installed modules
H
High quality auto-configuration backplane
H
Optional adjustable rackmounts and cable tray
These features are explained in more detail in the following paragraphs.
Power Supply
The VX1411 Mainframe provides all VXIbus voltages at levels necessary for
most ATE applications. The power supply has a volt-ampere capacity of 904 VA,
but only 500 watts is usable by VXI instrument modules at any one time (see
Appendix A: Power Budget Worksheet). The mainframe accommodates
exclusively digital applications, exclusively analog applications, or combinations of both.
The power supply plugs directly into the rear of the mainframe and has no cables
to disconnect. Because of this, the power supply can easily be replaced in less
than three minutes, keeping downtime to a minimum. The power supply
automatically sets the ranges for the appropriate input voltage and frequency; no
mechanical switch is required to select the correct line voltage.
Cooling
The VX1411 Mainframe provides optimal cooling for all installed modules. The
mainframe is equipped with two efficient 2 speed fans. The fan speed can easily
be manually switched from a low noise, low speed to high speed for maximum
cooling.
Air is exhausted at the sides of the mainframe allowing you to stack the
mainframe with other rackmount equipment. Additional equipment placed on or
positioned above the product will not restrict airflow nor will that equipment be
directly affected by exhaust air.
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1–1
Getting Started
CAUTION. Make sure the ambient air temperature inside the rackmount enclosure
remains below 55C.
Cooling is not wasted on empty slots. IntelliGuides automatically direct air to
only those slots containing modules; empty slots are shut off. The mainframe
directs airflow across each installed module from the bottom to the top of each
slot. Baffles balance the airflow from the front to back and across occupied slots
in the mainframe.
You can easily remove the air filter from the rear of the mainframe within a
matter of seconds. The fans can be easily replaced without disassembling the
entire mainframe.
Backplane
The VX1411 Mainframe has an auto-configuration, solid-state backplane that
uses electronic jumpers for the IACK and BUS GRANT signal lines. There are
no jumpers to move or install on the backplane. This results in a high quality
backplane that is ideal for ATE systems that must be reconfigured frequently.
Full differential distribution of the CLK10 signals provide a clean timing source
for your VXIbus instruments.
Optional Rackmounts and
Cable Tray
You can order the VX1411 Mainframe with user-installed rackmounts and cable
tray. The cable tray provides a means to conveniently route cables from the front
of the modules to the rear of the mainframe. Option 1U includes a 1.75-inch
connector plate. You can install Option 1U to provide a 1.75-inch, 2.5-inch, or
4.25-inch deep cable tray.
The rackmount adapters let you recess the mainframe from the front panel
mounting surface at specified depths from 0.735 inches to 5.735 inches in
0.5-inch increments. Similarly, you can configure the mainframe to extend out of
the front of the rack at specified depths (0.57 inches to 5.57 inches in 0.5-inch
increments).
You can install the rackmount kits along with the cable tray to provide vertical
cable access to easily route cables to instruments above or below the mainframe
while keeping lead lengths as short as possible.
You can also install an optional Lexan door with the rackmount kit.
NOTE. If you choose to extend the mainframe out of the front of the rack, the
mainframe cannot accept a door.
Instructions for installing the cable tray begin on page 1–6 and instructions for
the rackmounts begin on page 1–10.
1–2
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Getting Started
Options and Upgrade Kits
Table 1–1 lists the VX1411 Mainframe options and upgrade kits that you can
purchase and install separately. Contact your local Tektronix representative for
information on the upgrade kits.
Table 1–1: VX1411 Mainframe options and upgrade kits
Description
Option
Part Number
Rackmount Kit with Rack Slides
1R
020-2117-XX
Rackmount Kit with Rack Slides and Lexan Door
2R
020-2118-XX
Cable Tray Kit
1U
020-2119-XX
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Getting Started
Standard Accessories
The VX1411 Mainframe comes with the following standard accessories:
H
VX1411 Mainframe Instruction Manual
H
One Power cord (voltage range and plug type varies according to country,
see Table 1–2)
H
5 x 20 mm line fuse, 4 A, 250 V
H
5 x 20 mm line fuse holder
Table 1–2: Power cord identification
Plug configuration
1–4
Normal usage
Option number
North America
250V/13A Plug
NEMA 5-15P
Standard
Europe
230 V
A1
United Kingdom
230 V
A2
Australia
230 V
A3
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Getting Started
Table 1–2: Power cord identification (Cont.)
Plug configuration
Normal usage
Option number
North America
230 V
A4
Switzerland
230 V
A5
Optional Accessories
The VX1411 Mainframe has the following optional accessories:
H
Single-wide front panel fillers (Tektronix part number 334-4170-00)
H
Double-wide front panel fillers (Tektronix part number 334-4169-00)
H
Single-wide EMI front panel fillers (Tektronix part number 333-4092-00)
H
Double-wide EMI front panel fillers (Tektronix part number 333-4092-01)
H
EMI intermodule shields (Tektronix part number 337-4041-00)
H
Backplane EMI DIN shields (Tektronix part number 020-2144-00)
Selecting the Correct Power Cord and Fuse
The VX1411 Mainframe comes standard with a power cord and two fuses.
Before installing the mainframe, you must determine the correct fuse for your
application. Use the following information to determine the appropriate line fuse
for the VX1411 Mainframe:
Table 1–3: Line fuse application
Line voltage
fuse
90 – 250V
10A fast, 0.25 x 1.25 in
207 – 250 V
4A time delay, 5 x 20mm, (use 5 x20mm fuseholder cap)
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Getting Started
Installation
This section describes the procedures to install your mainframe. It includes
procedures for installing the mainframe with the rackmount or cable tray options.
This section does not include specific procedures for installing modules in the
mainframe. Refer to your module documentation for information regarding the
module installation instructions.
Site Considerations
The VX1411 Mainframe is designed to operate on a bench or in a rackmount
environment. For proper cooling, allow at least two inches (5.1 cm) of clearance
on the rear and sides of the mainframe. Determine how you will use your
VX1411 Mainframe and follow the appropriate installation instructions. If you
ordered your mainframe with the cable tray option and one of the rackmount
options, install the cable tray before installing the rackmount.
WARNING. Use care when lifting or moving the mainframe to avoid personal
injury while performing the installation procedures.
Cable Tray Installation
The VX1411 Mainframe comes a with 0.75-inch cable access area on the bottom
of the mainframe (1-inch with the feet installed for bench-top operation). You
can order the mainframe with an optional cable tray and install the cable tray
following the procedures in this section. The option comes with a butch plate to
mount cable connectors at the rear of the cable tray.
The cable tray option can be installed three different ways as shown in the
following illustrations. In each example, place the mainframe upside-down or on
one of the sides on a clean working surface and follow the instructions in the
illustrations. To install the cable tray you need a T-15 and a T-20 Torx Driver.
Figure 1–1 on page 1–7 shows how to install Option 1U to provide a cable tray
depth of 1.75 inches.
Figure 1–2 on page 1–8 shows how to install Option 1U to provide a cable tray
depth of 2.5 inches.
Figure 1–3 on page 1–9 shows how to install Option 1U to provide a cable tray
depth of 4.25 inches.
You can modify the butch plate to accept cable connectors at the rear of the
mainframe. Specific instructions for modifying the butch plate are not given
since the locations, types, and size of connectors vary with each application.
1–6
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Getting Started
4 Remove 4
inside screws.
1 Remove 4 feet.
2 Loosen 4
outside screws.
3 Remove 2 rails.
6 Install butch plate.
(optional)
Install feet (optional)
Install cable tray and
tighten 4 screws.
5
Figure 1–1: Installing the Option 1U as a 1.75-inch deep cable tray
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Getting Started
1 Remove 4 feet.
4 Install butch plate.
(optional)
Install feet (optional)
Install cable tray and
tighten 4 screws.
3
Reinstall 4 screws
from feet.
2
Figure 1–2: Installing the Option 1U as a 2.5-inch deep cable tray
1–8
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Getting Started
1 Remove 4 feet.
2 Remove 4 inside screws.
3 Loosen 4 outside screws.
7 Install butch plate.
(optional)
Install feet (optional)
Install cable tray and 6
tighten 4 screws.
Install 4 screws; do 5
not tighten.
Turn 2 rails 90_. 4
Figure 1–3: Installing the Option 1U as a 4.25-inch deep cable tray
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Getting Started
Rackmount Installation
The procedures for installing the rackmount kits are nearly identical for the
Option 1R and 2R kits. You can install the Option 1R kit to either recess the
mainframe from the front of the mainframe rack or to extend it out of the
mainframe rack. However, you can only install the Option 2R kit so that the
mainframe recesses into the rack.
The steps for installing the rackmount kits consist of installing the rackmount
hardware to the mainframe and then installing the mainframe in the rack.
You will need the following tools to install the rackmount options:
Install the Rackmount
Kit Hardware
H
T-15 Torx Driver
H
T-20 Torx Driver
H
#2 Phillips Screw Driver
Refer to Figure 1–4 and perform the following steps to install the rackmount kit
hardware:
1. Remove the rubber feet from the mainframe.
2. Determine whether you want to install the VX1411 Mainframe so that it
extends out of the rack or is recessed within the rack.
If you want to extend the VX1411 Mainframe from the front of the rack,
position the rackmount bracket as shown on the right side of Figure 1–4. If
you want to recess the VX1411 Mainframe in the rack, position the
rackmount bracket as shown on the left side of Figure 1–4.
3. Determine how far you want to recess or extend the VX1411 Mainframe and
install the rackmount adapter as shown using two 8-32 screws (included with
the kit). Similarly, install the other bracket on the other side of the mainframe.
NOTE. To comply with VXIplug&play mounting specifications, position the
rackmount adapter at the mounting holes with the adjacent identifier keys (See
Figure 1–4). This results in 3.960 inches (10.06 cm) from the module panel
mounting surface to the rack frame mounting surface.
1–10
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Getting Started
2 Screws
Latch is
located at
the rear.
VXI Plug & Play
position key
Track
5 Screws
2 Screws
Handle
Bracket
Bracket
Figure 1–4: Installing the rackmount kit hardware
4. Remove the five 8-32 screws from both sides of the mainframe.
5. Attach the left and right inside tracks to the sides of the VX1411 Mainframe
using five 8-32 flathead screws. Orient the button latch so that it faces away
from the mainframe and toward the rear.
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Getting Started
Install the Mainframe
in the Rack
Use the following procedure to install the VX1411 Mainframe in the rack:
1. Identify the right and left slide-out track assemblies: find the date code label
on each assembly. The assembly to be mounted in the left side of the rack
(the side nearest the left side of the mainframe when it is mounted in the
rack) has a date code that ends with LH (for left hand). The right assembly
has a date code ending with RH.
2. Measure the distance between the front and rear rail of the rack.
3. Align the rear bracket to the right slide-out track as shown in Figure 1–5.
Note that the rear bracket has two pairs of mount-through holes. When
aligning the bracket and the track, select a pair of holes that mount the rear
bracket so the flange-to-flange distance (see Figure 1–5) matches the front
rail to rear rail spacing that you just measured in step 2.
NOTE. If necessary, refer to the rackmount kit instructions for detailed installation information.
4. Attach the rear bracket to the right slide-out track using two 10-32 screws
and a bar nut as shown in Figure 1–5. Leave the screws loose so that you can
adjust the overall length of the slide-out track assembly when installing the
mainframe in the rack.
5. Repeat steps 3 and 4 to assemble the left slide-out track assembly.
Outer track
Button latch is closest
to top of track.
Front flange (mounts to
front rail of rack)
Front of
instrument
Inner track
Left slide-out track assembly
Figure 1–5: Assembling the slide-out track assemblies
1–12
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Getting Started
6. Select the mounting position in the rack: select two 0.5-inch spaced holes in
the front rail and verify that the 1.5-inch and 14.00-inch clearances exist
relative to the mounting holes as shown in Figure 1–6.
NOTE. The 14-inch vertical clearance is only valid for the mainframe without the
rubber feet and cable trays. Refer to Figures 4–3, 4–4, on page 4–10, for
information on vertical clearances of the mainframe with cable tray options.
304.8 mm
(12.0 in)
355.6 mm
(14.0 in)
Left-front rail
38.1 mm
(1.5 in)
12.7 mm (0.5 in)
(for correct position of
securing holes)
Figure 1–6: Vertical clearance for rack installation (standard mainframe)
7. Select the mounting method according to the rack type.
To mount the slide-out tracks with the front and rear flanges outside of the
front and rear rails, use method A shown in Figure 1–7 when doing step 8.
Add a bar nut to the installation only if the rails have untapped holes.
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Getting Started
To mount with front and rear flanges inside of the rails, use mounting
method B shown in Figure 1–7 when doing step 8. This mounting method
assumes untapped holes.
8. Using the mounting method determined from the previous step, secure the
right slide-out track assembly to the front and rear rails. Seat the screws
fully, but lightly, to adjust the mounting later.
9. Tighten the screws left loose in step 4 to fix the front to rear flange spacing
of the slide-out track assembly.
10. Repeat steps 6 through 9 to mount the left slide-out track assembly.
Left slide-out track
Left slide-out track
Use a bar nut if front
rails are not tapped.
Left-front rail
Left-front rail
10-32 Pan head screw
(4)
Mounting method A
10-32 Flat head
screw (4)
10-32 Pan head
screw (4)
Use two flat head screws if the cabinet
rails have countersunk mounting holes;
otherwise use two pan head screws.
Mounting method B
Figure 1–7: Installing the slide-out track assemblies in the rack (top view)
WARNING. Installing the VX1411 Mainframe in the rack requires at least two
people. Because of the size and weight of the mainframe, installing the mainframe alone can result in personal injury or equipment damage. One person
should be on the left side of the mainframe with one hand holding the left front
handle and with the other hand underneath the mainframe. The other person
should do likewise on the right side of the mainframe.
11. Fully extend the inner tracks of each slide-out section out of the front of the
rack until they lock.
1–14
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Getting Started
12. Lift the mainframe and insert the left and right tracks that extend from the
rear of the mainframe into the ends of the tracks that you just extended.
Make sure that the tracks mounted on the mainframe slip just inside the inner
tracks that you extended earlier.
13. Slide the mainframe back until it stops.
14. Push to release the button latches, located on the outside of each track, and
continue to slide the mainframe all the way back into the rack cabinet.
15. Tighten the four screws that you left loose at the rear of the rack when you
performed step 8 and pull the mainframe part way out of the rack. (Tighten
the 10-32 screws using 28 inch-lbs of torque.)
16. Be sure that the screws that you left loose at the front of the rack are loose
enough to allow the slide-out track assemblies to seek the normal positions.
17. Tighten the screws and push the mainframe all the way into the rack. If the
tracks do not slide smoothly, readjust the level using the method described in
steps 15 and 16. (Tighten the 10-32 screws using 28 inch-lbs of torque.)
18. Install the proper power cord at the rear of the mainframe.
Install the Option 2R
Rackmount Door
Refer to Figure 1–8 and perform the following steps to install the rackmount
door for Option 2R:
1. Install the bottom halves of the two hinges to the left rackmount bracket as
shown in Figure 1–8.
2. Install the top halves of the hinges on the door.
3. Install the catch on the right rackmount bracket.
You can adjust the catch position forward or back to assure a flush fit
between the door and the rackmount bracket.
4. Lift the rackmount door and mate the door with the hinges.
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Getting Started
Rackmount
bracket
2 Flat head screws
2 Flat head
screws
Hinges
2 Pan head
screws
Catch
Rackmount
door
Rackmount
bracket
Figure 1–8: Installing the rackmount door (Option 2R)
1–16
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Getting Started
Configuration
After installing the mainframe you are ready to configure it for your applications.
If you have not already done so, install your VXIbus modules in the mainframe
following the installation guidelines for your VXIbus module.
NOTE. If some VXI modules do not install fully into the mainframe, it may be
necessary to remove the shutter and spring from the card guide. For some
double-wide modules it may be convenient to remove only one of the shutters
instead of disassembling the shutter. To remove the card guides refer a qualified
service person to Procedure 4: Removing the Card Guides beginning on page
6–9 in the Maintenance chapter.
Module Selection and
Design Guidelines
The VX1411 Mainframe is UL listed to UL 3111-1 and CAN/CSA C22.2
No. 1010.1 and is IEC 1010-1 compliant. You should use VXIbus modules with
the mainframe that are listed or designed to limit electric shock and fire.
H
Investigate the possibility of fire hazards due to the availability of power
from the mainframe exceeding 150 W per slot. Use similar considerations
for VXIbus Modules that externally receive power greater than 150 W per
slot.
H
Printed wiring boards should be flame rated UL 94V–1 or better.
H
To prevent possible electrical shock, limit the voltage to the mainframe
interface or chassis to less than 60 VDC, 30 VRMS, or 42.4 Vpk.
H
Ensure that high voltage measuring inputs provide a means of limiting
unintended voltages that may reach the mainframe interface or chassis to less
than 60 VDC, 30 VRMS, or 42.4 Vpk.
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Getting Started
Install Empty Slot Panel
Fillers
If you have any unused (empty) slots in your mainframe, you may install the
empty slot panel fillers. Install either the optional single-wide or double-wide
fillers.
CAUTION. Use only Tektronix front panels; otherwise the shutters may activate,
effectively robbing airflow from installed modules. Installing the fillers provides
improved cooling for installed modules and improved EMI shielding.
Refer to Figure 1–9 for information on installing the slot fillers.
Single panel fillers
Double panel fillers
Figure 1–9: Installing the empty slot panel fillers
1–18
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Getting Started
Safety and Chassis
Grounds
The left rear of the VX1411 Mainframe has a connection point for the chassis
ground (see Figure 1–10).
WARNING. The safety ground screw must always be in place to ensure the proper
bonding of the power supply to the mainframe. You can use the chassis ground
connection to connect the grounds of one or more instruments to the mainframe.
This ensures a common ground connection between instruments.
Chassis ground
Safety ground
Figure 1–10: Locations of safety and chassis ground connections on left rear of the
mainframe
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Getting Started
EMI Configurations
Perform the following steps if you intend to install the optional EMI shields (part
numbers are listed under Optional Accessories on page 1–5):
1. To install the Backplane EMI DIN shields, determine the slot connectors
where you want to install the shields.
2. Remove any modules surrounding the slots where you intend to install the
Backplane EMI DIN shields.
3. Refer to Figure 1–11 and install the shields over the backplane connector.
4. Mount the connector in place using two 4-20 thread forming screws.
5. Reinstall any modules that you removed in step 2.
2 Screws
Backplane EMI
DIN shield
Figure 1–11: Installing the backplane EMI DIN Shields
1–20
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Getting Started
NOTE. It is only necessary to install the EMI intermodule shields if your VXIbus
module does not have EMI shielding.
6. Refer to Figure 1–12 and slide the EMI intermodule shields between the
grooves of the card guide on one side of each installed VXIbus module. This
is recommended to use with unshielded modules; the shielding may not be
compatible with some modules. The shield conforms with the VXI specification for intermodule shielding.
7. Install a blank EMI front panel for each empty slot making sure that the EMI
shielding is in contact with the adjacent front panel.
EMI shielding strip
(standard part on
mainframe)
Double panel EMI filler
Single panel EMI filler
EMI intermodule shield
Figure 1–12: Installing the EMI intermodule shield and front panel EMI fillers
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Getting Started
Functional Check
Use the information in this section to determine that the VX1411 Mainframe
operates properly. The functional check consists of checking the power supply
voltages from the extender card with a digital voltmeter.
Connect one lead of the voltmeter to the extender card pins inserted into slot 0 of
the mainframe. Connect the reference lead of the voltmeter to one of the ground
pins. Compare each voltage reading to the values listed in Table 1–4.
Table 1–4: Power supply voltages P1 and P2 of the extender card
Pin
Supply
Acceptable voltage range
P1 – A32
+5 V
4.875 V to 5.25 V
P1 – A31
–12 V
–12.6 V to –11.64 V
P2 – C32
–24 V
–25.2 V to –23.28 V
P2 – A2
–2 V
–2.1 V to –1.9 V
P1 – C31
+12 V
11.64 V to 12.6 V
P2 – C31
+24 V
23.28 V to 25.2 V
P2 – C4
–5.2 V
–5.46 V to –5.044 V
P2 – A31 or B31
Logic Ground
If the voltages are within the specified ranges, your mainframe is functional.
NOTE. Operators may perform exterior surface and fan filter cleaning as
described in the Maintenance chapter.
1–22
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Operating Basics
This chapter provides a brief overview of the VX1411 Mainframe including
illustrations and descriptions of switches, indicators, and connectors.
Figure 2–1 shows the front view of the VX1411 Mainframe. All of the mainframe slots are labeled on the top and bottom of the mainframe. Slot 0 is
reserved for the mainframe controller; all other slots are available for any
VXIbus modules.
IntelliGuides on the bottom of each slot automatically open when you install a
module. The guides remain closed for empty slots to direct airflow only where it
is needed.
Power switch
Figure 2–1: Front view of the VX1411 Mainframe
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2–1
Operating Basics
The On/Standby switch on the top-left corner of the front panel applies DC
voltages to the mainframe. The switch is a momentary contact switch. The
switch is lighted when DC voltages are applied to the mainframe.
Figure 2–3 shows the rear view of the standard VX1411 Mainframe.
The AC power connector is located on the bottom left side on the rear of the
mainframe. The AC fuse holder is located just above the power connector.
The chassis ground screw (if installed) can be used to connect multiple
mainframes to a common ground point.
The fan filter is located on the back of the mainframe. The filter slides easily into
the mainframe; there is no need to remove any covers to replace or clean the fan
filter.
Fan Speed Control
The Fan Speed switch controls the speed of the system cooling fans. When the
switch is set to the low position, the fans are set to a low speed to reduce fan
noise. When the switch is in the FULL position, the fans operate at full speed.
To maintain appropriate power supply cooling, set the fan speed switch
according to Figure 2–2. For high module loads and high ambient temperatures,
set the fan speed switch to full.
500
Full fan speed
400
Output 300
power (W)
200
100
0
Low or full fan
speed
0
10
30
20
40
Ambient temperature (_C)
50 55
60
Figure 2–2: Power output fan Vs temperature for the 2 fan speeds
2–2
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Operating Basics
Fan filter
Fan speed switch
Fuse
AC Power
Figure 2–3: Rear View of the VX1411 Mainframe
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2–3
Reference
This chapter provides reference information on the mainframe and its connectors.
Backplane Connectors
Table 3–1 shows the P1 connector pinouts for all slots in the VX1411 Mainframe. Table 3–2 shows the P2 connector pinouts for slots 1 to 12 and Table 3–3
shows the pinouts for the Slot 0 P2 connector.
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3–1
Reference
Table 3–1: P1 Connector pinouts
3–2
Pin
Row A
Row B
Row C
1
D00
BBSY*
D08
2
D01
BCLR*
D09
3
D02
ACFAIL*
D10
4
D03
BG0IN*
D11
5
D04
BG0OUT*
D12
6
D05
BG1IN*
D13
7
D06
BG1OUT*
D14
8
D07
BG2IN*
D15
9
GND
BG2OUT*
GND
10
SYSCLK
BG3IN*
SYSFAIL*
11
GND
BG3OUT*
BERR*
12
DS1*
BR0*
SYSRESET*
13
DS0*
BR1*
LWORD*
14
WRITE*
BR2*
AM5
15
GND
BR3*
A23
16
DTACK*
AM0
A22
17
GND
AM1
A21
18
AS*
AM2
A20
19
GND
AM3
A19
20
IACK*
GND
A18
21
IACKIN*
SERCLK
A17
22
IACKOUT*
SERDAT*
A16
23
AM4
GND
A15
24
A07
IRQ7*
A14
25
A06
IRQ6*
A13
26
A05
IRQ5*
A12
27
A04
IRQ4*
A11
28
A03
IRQ3*
A10
29
A02
IRQ2*
A09
30
A01
IRQ1*
A08
31
–12 V
+5 V STDBY
+12 V
32
+5 V
+5 V
+5 V
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Reference
Table 3–2: P2 Connector pinouts for slots 1 – 12
Pin
Row A
Row B
Row C
1
ECLTRG0
+5 V
CLK10+
2
–2 V
GND
CLK10–
3
ECLTRG1
RSV1
GND
4
GND
A24
–5.2 V
5
LBUSA00
A25
LBUSC00
6
LBUSA01
A26
LBUSC01
7
–5.2 V
A27
GND
8
LBUSA02
A28
LBUSC02
9
LBUSA03
A29
LBUSC03
10
GND
A30
GND
11
LBUSA04
A31
LBUSC04
12
LBUSA05
GND
LBUSC05
13
–5.2 V
+5 V
–2 V
14
LBUSA06
D16
LBUSC06
15
LBUSA07
D17
LBUSC07
16
GND
D18
GND
17
LBUSA08
D19
LBUSC08
18
LBUSA09
D20
LBUSC09
19
–5.2 V
D21
–5.2 V
20
LBUSA10
D22
LBUSC10
21
LBUSA11
D23
LBUSC11
22
GND
GND
GND
23
TTLTRG0*
D24
TTLTRG1*
24
TTLTRG2*
D25
TTLTRG3*
25
+5 V
D26
GND
26
TTLTRG4*
D27
TTLTRG5*
27
TTLTRG6*
D28
TTLTRG7*
28
GND
D29
GND
29
RSV2
D30
RSV3
30
MODID
D31
GND
31
GND
GND
+24 V
32
SUMBUS
+5 V
–24 V
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3–3
Reference
Table 3–3: P2 Connector pinouts for slot 0
3–4
Pin
Row A
Row B
Row C
1
ECLTRG0
+5 V
CLK10+
2
–2 V
GND
CLK10–
3
ECLTRG1
RSV1
GND
4
GND
A24
–5.2 V
5
MODID12
A25
LBUSC00
6
MODID11
A26
LBUSC01
7
–5.2 V
A27
GND
8
MODID10
A28
LBUSC02
9
MODID09
A29
LBUSC03
10
GND
A30
GND
11
MODID08
A31
LBUSC04
12
MODID07
GND
LBUSC05
13
–5.2 V
+5 V
–2 V
14
MODID06
D16
LBUSC06
15
MODID05
D17
LBUSC07
16
GND
D18
GND
17
MODID04
D19
LBUSC08
18
MODID03
D20
LBUSC09
19
–5.2 V
D21
–5.2 V
20
MODID02
D22
LBUSC10
21
MODID01
D23
LBUSC11
22
GND
GND
GND
23
TTLTRG0*
D24
TTLTRG1*
24
TTLTRG2*
D25
TTLTRG3*
25
+5 V
D26
GND
26
TTLTRG4*
D27
TTLTRG5*
27
TTLTRG6*
D28
TTLTRG7*
28
GND
D29
GND
29
RSV2
D30
RSV3
30
MODID00
D31
GND
31
GND
GND
+24 V
32
SUMBUS
+5 V
–24 V
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Specifications
This chapter contains the complete specifications for the VX1411 Mainframe.
Within each section, the specifications are arranged in functional groups such as:
AC Power Source, Secondary Power, Cooling, Safety, Environmental, Backplane, and Mechanical.
All specifications are warranted unless they are designated typical. DC Voltage
Regulation is a warranted characteristic and can be directly checked by procedures contained in the Performance Verification chapter beginning on page 5–1;
DC Voltage Regulation is listed in boldface under the Characteristics column.
If the characteristic is noted as typical, the characteristic is not warranted.
Typical characteristics describe typical or average performance and provide
useful reference information.
Table 4–1: AC power source
Characteristic
Description
Source Voltage
90 VRMS to 250 VRMS, continuous range
Source Frequency
45 Hz to 66 Hz or 360 Hz to 440 Hz, 115 V operation
45 Hz to 66 Hz, 230 V operation
Power Consumption
800 W line power maximum
Fuse Rating
90 V – 250 V Operation
0.25 in × 1.25 in, Fast Blow, 10 A, 250 V
207 V – 250 V Operation
5 mm × 20 mm, Slow Blow, 4 A, 250 V
Inrush Surge Current
70 A maximum
Input Current
8 A maximum at 90 VRMS
3.5 A maximum at 207 VRMS
Power Factor Correction
Typically 0.99 at 60 Hz operation and 0.95 at 400 Hz
operation
Power Disconnect
Front Panel On/Standby. No primary switch on rear
panel. Power cord provides main power disconnect.
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4–1
Specifications
Table 4–2: Secondary power
Characteristic
Description
Maximum Power Available
Mainframe (Power available to
modules)
DC Current Capacity (IMP)
AC Current Capacity (IMD )
DC voltage regulation
4–2
500 W, 0° C to 55° C
Voltage
IMP (steady-state current)
+24 V
7A
+12 V
6A
+5 V
60 A
–2 V
–10 A
–5.2 V
–20 A
–12 V
–6 A
–24 V
–7 A
Voltage
IMD (dynamic current)
+24 V
5A
+12 V
2A
+5 V
10 A
–2 V
–5 A
–5.2 V
–7 A
–12 V
–2 A
–24 V
–5 A
Voltage
Tolerance, V
+24 V
+1.2 V, –720 mV
+12 V
+600 mV, –360 mV
+5 V
+250 mV, –125 mV
–2 V
–100 mV, +100 mV
–5.2 V
–260 mV, +156 mV
–12 V
–600 mV, +360 mV
–24 V
–1.2 V, +720 mV
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Specifications
Table 4–2: Secondary power (Cont.)
Characteristic
Description
Maximum DC load ripple/noise
Voltage
Ripple/Noise
+24 V
150 mVp-p
+12 V
50 mVp-p
+5V
50 mVp-p
–2 V
50 mVp-p
–5.2 V
50 mVp-p
–12 V
50 mVp-p
–24 V
150 mVp-p
Voltage
Ripple/Noise
+24 V
150 mVp-p
+12 V
50 mVp-p
+5V
50 mVp-p
–2 V
50 mVp-p
–5.2 V
50 mVp-p
–12 V
50 mVp-p
–24 V
150 mVp-p
Maximum DC Induced Ripple/Noise
Protection
Overvoltage and short circuit protection results in the
supply shutting down and trying immediately to come
back on (hic–cup mode). This operation continues until
the supply is shut off or the fault is remedied.
Overtemperature protection results in the supply shutting
down and staying down until the temperature drops
below a threshold at which time the supply will come
back on.
Undervoltage protection results in the supply shutting
down and staying down until the AC line input achieves
high enough voltage at which time the supply will turn on.
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4–3
Specifications
Table 4–3: Cooling
Characteristic
Description
Slot Thermal Capacity
Figure 4–2 on page 4–5 shows the cooling curve of the
mainframe.
Cooling System
Forced air circulation (positive pressurization) with one
removable filter. Two internal DC fans provide cooling for
the power supply and the 13 VXIbus module slots.
Fan Speed Control
A rear panel switch chooses between full speed and low
speed. See Figure 4–1 on page 4-4 for maximum power
that the power supply can deliver while maintaining proper
cooling Vs temperature for the two fan speeds.
Slot Activation
Installing a VXIbus module activates the cooling for the
corresponding occupied slots by opening the IntelliGuide
mechanism. Only provides cooling to installed modules.
Slot Airflow Direction
P2 to P1, bottom of module to the top of module
Mainframe Intake
Bottom rear of mainframe
Mainframe Exhaust
Top sides of mainframe, also on top rear of mainframe
Cooling Clearance
Two inches on both sides and rear of mainframe
Pressurization
Positive (modules pressurized)
Filter Access
Filter accessible from rear of the mainframe
500
Full fan speed
400
Output 300
power (W)
200
100
0
Low or full fan
speed
0
10
30
20
40
Ambient temperature (_C)
50 55
60
Figure 4–1: Power output versus temperature for the 2 fan speeds
4–4
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Specifications
1.00
∆ Pressure
across
module
(mm H2O)
0.75
0.50
0.25
0.00
0
2
4
Note: Proposed VXI–8 cooling methods
6
8
10
Airflow through module (l/s)
Figure 4–2: Mainframe cooling curve
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4–5
Specifications
Table 4–4: Environmental
Characteristic
Description
Classification
The VX1411 Mainframe is suitable for operation in the
Tektronix and MIL-T-28800E (Type III, Class 5,
Style E or F) environments as specified in this table.
Atmospherics
Temperature
Meets the limits stated in MIL-T-28800E for Type III, Class 5
Operating
0° C to 55° C, derated 1° C/1000 ft. (305 m) above
5000 ft. (1524 m)
Nonoperating
–40° C to 75° C
Relative Humidity
Operating
Up to 95% at up to 30° C and up to 45% at up to 55° C
Nonoperating
Up to 95% at up to 55° C
Altitude
Operating
15,000 ft. (4570 m) Operating temperature derated
1° C/1000 ft. (305 m) above 5000 ft. (1524 m)
Nonoperating
40,000 ft. (12,190 m)
Dynamics
Random Vibration
4–6
Three axis, 30 minutes total, 10 minutes per axis
Operating
0.27 gRMS total from 5 Hz to 500 Hz
Nonoperating
2.28 gRMS total from 5 Hz to 500 Hz
Mechanical Shock
Operating
Half sine, 30 g, 11 ms duration, three drops each side, 18
shocks total. Meets functional shock requirements of
MIL-T-28800E, Type-III, Class 5
User Bench Handling
Operating
Each edge lifted four inches and allowed to free fall onto a
solid wooden bench surface. Rear face exempted.
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Specifications
Table 4–5: Certifications and compliances
Characteristic
Description
EC Declaration of Conformity Meets intent of Directive 89/336/EEC for Electromagnetic
Compatibility and Low Voltage Directive 73/23/ECC for Product
Safety. Compliance was demonstrated to the following
specifications as listed in the Official Journal of the European
Communities:
EMC Directive 89/336/EEC:
EN 55011
Class A Radiated and Conductive Emissions
EN60555-2
AC Power Line Harmonic Emissions.
EN 50082-1 Immunity:
IEC 801-2
Electrostatic Discharge Immunity
IEC 801-3
RF Electromagnetic Field Immunity
IEC 801-4
Electrical Fast Transient/Burst Immunity
IEC 801-5
Power Line Surge Immunity
Low Voltage Directive 73/23/EEC:
EN61010-1
Safety requirements for electrical equipment
for measurement, control, and laboratory use
Immunity, Enclosure,
Electrostatic Discharge
(ESD)
Up to 8 kV with no change to control settings or impairment of
normal operation, and up to 15 kV with no loss of stored data or
damage that prevents recovery of normal operation by the user.
(IEC 801-2)
Immunity, Enclosure, Radio
Frequency Electromagnetic
Field
No mainframe failures when the mainframe is subjected to a
3 V/m electromagnetic field over the frequency range of 27 MHz
to 500 MHz. (IEC 801-3)
Immunity, Fast Transients,
Common Mode
No loss of stored data, change to control settings, degradation
of performance, or temporary loss of function will occur when the
mainframe is subjected to the following transients: (IEC 801-4)
Port
Peak Voltage
Signal & Control
DC Power
AC Power
Immunity, AC Power Line
Transients
FCC
0.5 kV
0.5 kV
1.0 kV
Tr/Th Rep Frequency
5/50 ns
5/50 ns
5/50 ns
5 kHz
5 kHz
5 kHz
No loss of stored data, change to control settings, degradation
of performance, or temporary loss of function will occur when the
mainframe is subjected to the transients as described below.
(IEC 801-5)
Mode
Peak Voltage Tr/Th 1
Common
Differential
2 kV
1 kV
1.2/50 s
8/20 s
The mainframe complies with the radiated and conducted
emissions requirements of FCC 47 CFR, Part 15, Subpart B,
Class A equipment
1Open circuit voltage (short circuit current) transient characteristics.
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4–7
Specifications
Table 4–5: Certifications and compliances (Cont.)
Characteristic
Description
Certifications
UL3111-1 Standard for electrical measuring and test equipment
CAN/CSA C22.2 No. 1010.1–Safety requirements for electrical
equipment for measurement, control and laboratory use
IEC 1010-1 Characteristics
Installation CAT II (Local-level mains instrument is cord-connected).
Pollution Degree 2 (rated for indoor use only).
Safety Class I
(grounded product).
Altitude (maximum operating) 2000 meters
Equipment Type: Test and Measuring
Overvoltage Category
Category:
Examples of Products in this category:
CAT III
Distribution-level mains, fixed installation
CAT II
Local-level mains, appliances, portable equipment
CAT I
Signal levels in special equipment or parts of
equipment, telecommunications, electronics
Pollution Degree 2
Do not operate in environments where conductive pollutants
may be present.
Certification Compliance
Altitude (maximum operating) 2000 meters
Equipment Type: Test and measuring
Table 4–6: Backplane
Characteristic
Description
Bus Grant/ Interrupt Acknowledge
Solid state, auto-configuring (jumperless)
VXIbus CLK10 Distribution
Full differential
Table 4–7: Mechanical
Characteristic
Description
Overall Dimensions
Standard Mainframe
4–8
Height (with feet)
14.4 in (36.58 cm)
Width
16.7 in (42.42 cm)
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Specifications
Table 4–7: Mechanical (Cont.)
Characteristic
Depth
Description
24 in (60.96 cm)
Mainframe with Rackmount
Height
14.0 in (35.56 cm)
Width
18.9 in (48.01 cm)
Depth
26.4 in (67.06 cm) to 31.4 in (79.76 cm) in 0.5 in (1.27 cm)
increments, user selectable
Cable Tray, Option 1U
(See Figure 4–4 for overall mainframe dimensions)
Height
1.75 in (4.45 cm)
Width
16.6 in (42.16 cm)
Depth
18.4 in (46.74 cm)
Weight
Standard Mainframe
48 lbs (21.8 kg) with no modules installed
Rackmount Option 1R
18 lbs (8.2 kg)
Rackmount Option 2R
20 lbs (9.1 kg)
Cable Tray Option 1U
4 lbs (1.8 kg)
Shipping Weight
Standard Mainframe
75 lbs (34.1 kg) maximum with no modules installed
Cable Tray Option 1U
8 lbs (3.6 kg)
Rackmount Option 1R or 2R
28 lbs (12.7 kg)
Module Size
13 C-size VXI slots. The mainframe also accepts A-size or
B-size modules using the 73A-851 module.
Finish
Tektronix smoke tan and graphite grey paint on an
aluminum chassis
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4–9
Specifications
42.42 cm
(16.7 in)
60.96 cm
(24 in)
36.58 cm
(14.4 in)
33.6 cm
(13.25 in)
Figure 4–3: Front view and side view of standard VX1411 Mainframe
48.0 cm
(18.9 in)
67.06 cm 26.4 in Min
(79.76 cm 31.4 in Max)
38.0 cm
(15.00 in)
40.0 cm
(15.75 in)
44.5 cm
(17.50 in)
Figure 4–4: Front view and side view of VX1411 Mainframe with Option 1U and rackmount option
4–10
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Specifications
Table 4–8: VXI and VXIplug&play
Characteristic
Description
VXI
Fully compatible with VXIbus System Specifications, Rev 1.4
VXIplug&play
Mainframe
VXIplug&play compliant with VPP-8
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4–11
Performance Verification
Use this chapter to verify that the VX1411 Mainframe operates properly. The
checks consist of installing a 73A-850 extender card into slot 0 of the mainframe. Check the power supply voltages with a DMM.
Equipment Required
You will need the following equipment to complete the performance verification
checks in this chapter:
H
Digital Voltmeter (Tektronix DM250 series digital voltmeter)
H
Extender card, 73A-850.
DC Voltage Regulation
The DC voltage regulation can be verified by following the steps listed under
Functional Check beginning on page 1–22.
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5–1
WARNING
The following servicing instructions are for use only by qualified personnel. To
avoid injury, do not perform any servicing other than that stated in the operating
instructions unless you are qualified to do so. Refer to all Safety Summaries before
performing any service.
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Maintenance
This chapter provides procedures for inspecting and cleaning the VX1411
Mainframe, removing and replacing internal mainframe components, and
isolating problems to module levels.
Service Strategy
The service procedures in this manual provide removal and replacement
procedures to repair the VX1411 Mainframe to a module level. Instrument level
repairs are accomplished by exchanging faulty modules with known-good
modules or parts. No component-level repair is provided in this manual.
Preparation
The information in this section is designed for use by qualified service personnel. Read the Safety Summary at the front of this manual and Service Strategy
before attempting any procedures in this chapter. Refer to the Operating Basics
chapter for information on the location of controls, indicators, and connectors
used with the mainframe.
CAUTION. Many components within the mainframe are susceptible to staticdischarge damage. Service the mainframe only in a static-free environment.
Observe standard handling precautions for static-sensitive devices while
servicing the mainframe. Always wear a grounded wrist strap, or equivalent,
while servicing the mainframe.
Observe the following precautions to avoid damaging the mainframe:
H
Do not handle static-sensitive components on boards.
H
Transport and store static-sensitive boards in their original containers or
on conductive foam. Label any package that contains static-sensitive
assemblies.
H
Wear a wrist strap attached to the mainframe while handling the boards to
discharge the static voltage from your body.
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6–1
Maintenance
H
Do not allow anything capable of holding or generating a static charge on the
work surface.
H
Do not slide a board over any surface.
H
Avoid handling boards in areas that have a floor or work surface cover that is
capable of generating a static charge.
NOTE. Always power off the mainframe and disconnect the power cord before
cleaning or servicing the mainframe.
Inspection and Cleaning
The mainframe is inspected mechanically and electrically before shipment. It
should be free of marks or scratches and should meet or exceed all electrical
specifications. To confirm this, inspect the mainframe for physical damage
incurred during transit. Retain the mainframe packaging in case shipment for
repair is necessary. If there is damage or deficiency, contact your local Tektronix
representative.
Cleaning procedures consist of exterior and interior cleaning of the mainframe
and cleaning the fan filter. Periodic cleaning reduces instrument breakdown and
increases reliability. Clean the mainframe as needed, based on the operating
environment. Refer to your module user documentation for information on
cleaning the individual VXIbus modules.
Interior Cleaning
Exterior Cleaning
6–2
Use a dry, low-velocity stream of air to clean the interior of the mainframe. Use a
soft-bristle brush for cleaning around components. If you must use a liquid for
minor interior cleaning, use a 75% isopropyl alcohol solution and rinse with
deionized water.
Clean the exterior surfaces of the mainframe with a dry lint-free cloth or
a soft-bristle brush. If any dirt remains, use a cloth or swab dipped in a 75%
isopropyl alcohol solution. Use a swab to clean narrow spaces around controls
and connectors. Do not use abrasive compounds on any part of the mainframe.
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Maintenance
CAUTION. Avoid getting moisture inside the mainframe during exterior cleaning;
use just enough moisture to dampen the cloth or swab.
Do not wash the front-panel On/Standby switch. Cover the switch while washing
the mainframe.
Use only deionized water when cleaning. Use a 75% isopropyl alcohol solution
as a cleanser and rinse with deionized water.
Do not use chemical cleaning agents; they may damage the mainframe. Avoid
chemicals that contain benzene, toluene, xylene, acetone, or similar solvents.
Cleaning the Fan Filter
The fan filter easily removes from the rear of the mainframe. The filter slides out
of the rear of the mainframe as shown in Figure 6–1.
Fan filter
Figure 6–1: Removing the fan filter
Clean the fan filter by vacuuming or blowing air through the filter. Rinse the
filter in cool water and dry it before replacing it in the mainframe.
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6–3
Maintenance
Removal and Replacement
The following procedures describe how to remove and replace module-level
components of the VX1411 Mainframe. Refer to the exploded view illustrations
in Replaceable Parts for an overview of the assembly and disassembly of the
mainframe.
WARNING. To avoid electric shock, always power off the mainframe and
disconnect the power cord before cleaning or servicing the mainframe.
Tools Required
Procedure 1: Removing
the Fan Assembly
The following tools are required to disassemble the VX1411 Mainframe to the
module level:
H
Small flat blade screwdriver
H
Diagonal cutters (for removing cable ties)
H
Torx screw driver with T-15 and T-20 tips
H
Phillips screw driver
H
Pozidrive screw driver
H
3/32 inch hex (Allen) wrench
To remove the fan assembly, refer to Figure 6–3 and Figure 6–4 while performing the following steps:
1. From the back of the mainframe, loosen the five captive screws using a
Phillips screw driver (refer to Figure 6–2 for the screw locations).
2. Remove the Chassis Ground screw (if installed).
3. Gently pivot the fan assembly outward from the mainframe far enough to
access the fan cables on the right side of the mainframe.
4. Unplug the fan cables and set the fan assembly aside on a clean working
surface.
5. Remove the fan filter from the fan assembly if you need to replace one of
the fans.
6. To remove the two fans, remove the three 6-32 screws (with a Pozidrive
driver) holding each fan to the inside of the fan assembly as shown in
Figure 6–4.
7. Remove the cable tie holding the fan cables to the fan.
6–4
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Maintenance
NOTE. When reconnecting the fan cables to the mainframe, verify that you
connect the fan cables to their respective connectors. Match the labels on the fan
cables to their respective connector on the rear of the mainframe.
8-32 Captive screw
8-32 Captive screw
Chassis ground
(8-32 screw not
installed)
8-32 Captive screw
8-32 Captive screw
8-32 Captive screw
Figure 6–2: Location of fan assembly screws on the rear of the mainframe
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6–5
Maintenance
Power supply
Captive Screws (5)
Ledge
Handle
Fan cables
Fan assembly
Figure 6–3: Removing the fan assembly
Fans
Cable tie
6-32 Screws (6)
Fan assembly
Figure 6–4: Removing the fans
6–6
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Maintenance
Procedure 2: Removing
the Fan Control Board
To remove the fan control board , perform Procedure 1: Remove Fan Assembly
and then refer to Figure 6–5 to remove the fan assembly.
Grasp the cable tie loop and pull the fan control board until it comes loose from
the backplane. Then slide the board out of the right side of the mainframe.
Fan control
board
Cable tie loop
Figure 6–5: Removing the fan control board
Procedure 3: Removing
the Power Supply
To remove the power supply from the mainframe, refer to Figure 6–3 and
perform steps 1 through 4 of Procedure 1 to remove the fan assembly. Then
continue with the following steps:
1. Using the handle on the power supply, firmly pull out the power supply from
the rear of the mainframe.
2. Set the power supply assembly on a clean working surface.
NOTE. Step 3 is necessary only if you intend to replace the Power Supply
Interface board. This step is normally not necessary because the Power Supply
and the Power Supply Interface board can be replaced as a single unit.
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6–7
Maintenance
3. Refer to Figure 6–6 and remove the Power Supply Interface board from the
power supply module as shown.
8-32 Screws (4)
Power supply
interface board
Figure 6–6: Removing the power supply interface board
6–8
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Maintenance
Procedure 4: Removing
the Card Guides
The card guides at the top and bottom of the mainframe are very similar. The
main difference is that the bottom guides (IntelliGuides) include the springloaded shutters to redirect air into the mainframe. The procedure for removing
both guides is identical. Refer to Figure 6–7 while performing the following
steps:
1. Use a small flat blade screw driver to pry up the tab of the card guide at the
front of the mainframe being careful not to damage the card guide or the
mainframe.
2. Gently pull the card guide forward until it pops out of place.
3. Remove the card guide.
NOTE. The bottom card guides (IntelliGuides) are replaced as a unit. The
IntelliGuides are not intended to be disassembled.
To replace a card guide, slide the card guide towards the rear of the mainframe
and allow the front of the card guide to snap into place.
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6–9
Maintenance
Gently pull the card guide
forward until it pops out of place.
Slide the card guides toward the rear of
the mainframe and allow the front of the
card guide to snap into place.
Figure 6–7: Removing the top and bottom card guides
6–10
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Maintenance
Procedure 5: Replacing
the Top and Bottom Nut
Rails
The nut rails at the top and the bottom of the front of the VX1411 Mainframe
allow the user to securely install the modules in the mainframe by screwing the
top and bottom of the modules to the front of the mainframe. Refer to Figure 6–8
to remove these nut rails.
1. Loosen all module retaining screws (it may be necessary to slide the modules
partially out of the mainframe).
2. Remove the 12 screws holding the top cover to the mainframe using a
3/32-inch Allen wrench.
3. Slide the top cover of the mainframe back far enough to expose the hole just
inside the top and bottom extrusions.
4. Slide the nut rail out of hole on the side of mainframe.
Replace the nut rail by sliding it back in the side of the mainframe and pushing it
into place.
Top cover
Nut rail
8-32 Screws (12)
Remove module
retaining screws.
Nut rail
Figure 6–8: Replacing the top and bottom nut rails
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6–11
Maintenance
Procedure 6: Remove the
Backplane
To remove the backplane, perform Procedures 1, 2, and 3. Refer to Figure 6–9
and then complete the following steps:
1. Remove the top cover of the mainframe (see Figure 6–8 on page 6–11, if
necessary).
2. Disconnect the power switch cable at J22 at the top of the backplane.
3. From the rear of the mainframe, remove the five 6-32 screws on the top of
the backplane, seven 6-32 screws from the center, and five 6-32 screws from
the bottom.
4. After removing all screws from the backplane, remove the backplane from
the mainframe by sliding it out of the right side.
Install the backplane by reversing the disassembly procedure.
6–12
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Maintenance
Power switch
connector
6-32 Screws (17)
Backplane
Figure 6–9: Removing the backplane
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6–13
Maintenance
Troubleshooting Procedures
The troubleshooting procedures are designed to isolate problems to a module
level. No component-level procedures are provided.
Equipment List
Diagnostic Information
Fuses
The following test equipment is recommended for troubleshooting procedures.
H
Digital Voltmeter (Tektronix DM250 series digital voltmeter)
H
Oscilloscope, 20 MHz BW, with 10x Probe (Tektronix TDS400A or
TDS500A series oscilloscope)
The VX1411 Mainframe does not include diagnostics. The functionality of the
mainframe can be verified by following the performance verification procedures
as described in Performance Verification beginning on page 5–1.
The mainframe has two fuses for normal operation, the line fuse and a 5 V fuse
on the backplane. The line fuse can be one of two different kinds depending on
the operating voltage of the mainframe. Table 6–1 summarizes the different fuses
in the mainframe.
Table 6–1: Fuses
Fault Isolation
Voltage
Rating
Tektronix replacement
part number
90 V to 250 V operation
10 A, Fast Blow, 250 V
159-0047-00
207 V to 250 V operation
4 A, Slow Blow, 250 V
159-0397-00
5 V Backplane
4 A, Fast Blow, 250 V
159-0320-00
The main focus of the troubleshooting procedures is to isolate problems to one of
the major modules within the mainframe. You may find it helpful to refer to the
functional block diagram in Figure 6–10 on page 6–17 to isolate problems to one
of the modules within the mainframe.
Power Supply Problems. Use the following information to isolate power supply
problems to the power supply or to other modules.
6–14
H
Isolate the problem to either the mainframe or to one of the installed VXIbus
Modules. Remove the modules from the mainframe and check that the
problem still exists.
H
Try isolating the problem to a module by either replacing the module with an
known-good module or moving the module to a different slot.
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Maintenance
H
Check the fuses in the mainframe and on the backplane.
H
Perform the procedures as described in Performance Verification beginning
on page 5–1 to verify the power supply voltages are present and within the
specified limits. If the voltages are not present, replace the power supply. If
any of the voltages are not within the specified limits, replace the power
supply.
Inadequate Cooling. Cooling problems can be due to one or more of the following
problems:
H
Verify that the air filter is clean. If not, remove the air filter and clean it.
H
One or both fans may not be operating properly. Check that both fans rotate.
H
Verify that each fan is properly connected to the fan control board (see
Figure 6–3 on page 6–6).
H
Check that both fans are working at low and high speeds.
H
Verify that all of the IntelliGuides of empty slots within the mainframe
are closed when no modules are installed. If necessary replace the faulty
assembly.
H
Verify that each VXIbus modules have front panel that activates the
IntelliGuides (shutters).
Repackaging Instructions
If you need to send the VX1411 Mainframe to a Tektronix field center for repair,
attach a tag to the mainframe with the owner name and address, the serial
number, and a brief description of the problem(s) encountered or the service
required. Always return all accessories so that the entire system can be tested.
When repacking the mainframe for shipment, use the original packaging. If the
packaging is unavailable or unfit for use, contact your local Tektronix representative to obtain new packaging.
Theory of Operation
This section provides a brief overview of the theory of operation for the VX1411
Mainframe. Figure 6–10 shows the functional block diagram of the mainframe
and the major components.
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6–15
Maintenance
The VX1411 Mainframe contains the following major components:
H
Power supply
H
Backplane
H
Fan Control board
Power Supply. The power supply provides all voltages and currents to the
mainframe. The power supply connects to the backplane at J1 and J2 through the
Power Supply Interface board. The power supply and the Power Supply Interface
board can be replaced as a single unit.
Backplane. The backplane (A4) provides all the connections to module slots 0
through 12 in the mainframe. It also has connections to all other circuit boards
and modules in the mainframe.
The front panel On/Standby DC switch connects to J22 at the top of the
backplane.
The backplane connects to the Power Supply Interface board at J20 and J21.
Connector 0J2 supplies power to the fans from the backplane via fan control
board.
6–16
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Maintenance
Fan speed switch
4
Fan 2
AC in
3
Fan 1
4
S1 J7 J8
A1
P1
Power supply
interface
board P2
Fan control board
(A3)
Power supply
J2
P21
P20
0J3
J1
0P2
96
30
3
3
0J4 0P3 0J1 0J2
0P1
3
0P2
Slot 0
3
J23 J22
1P1
J20
1P2
Slot 1
J21
2P1
2P2
Slot 2
Backplane board
A4
J24
3P1
4P1
3P2
Slot 3
5P1
4P2
Slot 4
6P1
5P2
Slot 5
7P1
6P2
Slot 6
8P1
7P2
Slot 7
9P1
8P2
Slot 8
10P1
9P2
Slot 9
11P1
10P2
12P1
11P2
12P2
Slot 10 Slot 11 Slot 12
On / Standby
switch
Figure 6–10: Mainframe block diagram
Fan Control Board. The fan control board (A3) controls the speed of the two fans,
full or low. The fan control board connects directly to the backplane at 0J3 and
0P2.
The two fans connect to the fan control board at J7 (Fan2) and J8 (Fan1). The
Fan Speed switch (S1) selects either low fan speed (LOW) or full speed (FULL).
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6–17
Replaceable Parts
This section contains a list of the replaceable modules for the VX1411 Mainframe. Use this list to identify and order replacement parts.
Parts Ordering Information
Replacement parts are available through your local Tektronix field office or
representative.
Changes to Tektronix products are sometimes made to accommodate improved
components as they become available and to give you the benefit of the latest
improvements. Therefore, when ordering parts, it is important to include the
following information in your order.
H
Part number (see Part Number Revision Level below)
H
Instrument type or model number
H
Instrument serial number
H
Instrument modification number, if applicable
If you order a part that has been replaced with a different or improved part, your
local Tektronix field office or representative will contact you concerning any
change in part number.
Change information, if any, is located at the rear of this manual.
Part Number Revision
Level
Tektronix part numbers contain two digits that show the revision level of the
part. For most parts in this manual, you will find the letters XX in place of the
revision level number.
Part Number Revision Level
670-7918-03
Revision Level May Show as XX
670-7918-XX
When you order parts, Tektronix will provide you with the most current part for
your product type, serial number, and modification (if applicable). At the time of
your order, Tektronix will determine the part number revision level needed for
your product, based on the information you provide.
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7–1
Replaceable Parts
Module Servicing
Modules can be serviced by selecting one of the following two options. Contact
your local Tektronix service center or representative for repair assistance.
Module Repair and Return. You may ship your module to Tektronix, Inc. for
repair, after which we will return it to you.
New Modules. You may purchase replacement modules in the same way as other
replacement parts.
VX1411 Mainframe Common Replaceable Parts
Table 7–1 provides a quick reference list of parts that you are most likely to
replace. The table only provides a summary of information on the parts. For
more detailed information refer to the individual parts lists in this chapter.
Table 7–1: VX1411 Mainframe common replaceable parts
7–2
Name
Description
Tektronix Part
Number
Power Supply
Module
Power supply and power supply interface board
020-2116-01
Air Filter
Air filter:Woven Polypropylene, black, 0.125 thick, 2
layer, vinyl,edging
378-2075-00
Fuse
Fuse, cartridge:10A,250V,Fast
159-0047-00
Fuse
Fuse, cartridge:5MM X 20MM,250V,4A, Time Delay
High Breaking capacity,ceramic;VDE
159-0397-00
Fuse (Backplane) Fuse, cartridge:5 X 20MM,4.0A,250V,30 MIN MAX
159-0320-00
Bottom Card
Guide with Shutters
Baffle,VXI Slot:0.040 AL,Formed Sheet Metal with
Perforations
378-2074-01
Card Guide
Guide:Plastic Guide,ECB,VXI Molded Ckt Bd Guide, VXI
Form Factor
351-0962-00
Fan
Fan,DC:48V;TUBEAXIAL,Programmable with Tach Out,
15W,2500 RPM,170 CFM,48DBA,6.75” X 5.9” X 2.0”
119-4801-00
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Replaceable Parts
Using the Replaceable Parts List
This section contains a list of the mechanical and/or electrical components that
are replaceable for the VX1411 Mainframe. Use this list to identify and order
replacement parts. The following table describes each column in the parts list.
Table 7–2: Parts list column descriptions
Column
Column name
Description
1
Figure & Index Number
Items in this section are referenced by figure and index numbers to the exploded view
illustrations that follow.
2
Tektronix Part Number
Use this part number when ordering replacement parts from Tektronix.
3 and 4
Serial Number
Column three indicates the serial number at which the part was first effective. Column four
indicates the serial number at which the part was discontinued. No entries indicates the part is
good for all serial numbers.
5
Qty
This indicates the quantity of parts used.
6
Name & Description
An item name is separated from the description by a colon (:). Because of space limitations, an
item name may sometimes appear as incomplete. Use the U.S. Federal Catalog handbook
H6-1 for further item name identification.
7
Mfr. Code
This indicates the code of the actual manufacturer of the part.
8
Mfr. Part Number
This indicates the actual manufacturer’s or vendor’s part number.
Abbreviations
Mfr. Code to Manufacturer
Cross Index
Abbreviations conform to American National Standard ANSI Y1.1–1972.
The table titled Manufacturers Cross Index shows codes, names, and addresses
of manufacturers or vendors of components listed in the parts list.
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7–3
Replaceable Parts
Manufacturers Cross Index
Mfr.
Code
Manufacturer
Address
City, State, Zip Code
TK1499
TK1547
AMLAN INC
MOORE ELECTRONICS INC.
97 THORNWOOD RD
19500 SW 90TH CT
PO BOX 1030
STAMFORD CT 06903–2617
TUALATIN OR 97062
TK1943
TK2208
TK2469
NEILSEN MANUFACTURING INC
NORTHWEST RUBBER EXTRUDERS INC
UNITREK CORPORATION
SALEM, OR 97303
PORTLAND OR 97223
VANCOUVER WA 98601
0B445
ELECTRI–CORD MFG CO INC
3501 PORTLAND RD NE
16748 SW 77TH AVE
3000 LEWIS & CLARK HWY
SUITE 2
312 EAST MAIN ST
0J9P4
0KB01
06383
DELTA ENGINEERING & MFG. CO.
STAUFFER SUPPLY
PANDUIT CORP
19500 SW TETON
810 SE SHERMAN
17303 RIDGELAND AVE
TUALATIN, OR 97062
PORTLAND OR 97214
TINLEY PARK, IL 60477–3048
06540
NEW HAVEN MFG CORPORATION
AMATOM ELECTRONIC HARDWARE DIV
446 BLAKE ST
NEW HAVEN, CT 06515–1238
06666
GENERAL DEVICES CO INC
INDIANAPOLIS IN 46239–9632
22589
ELECTRO–SPACE FABRICATORS INC
5Y921
51506
SAN YSIDRO, CA 92073
NUTLEY NY 07110–1303
61081
61935
COMAIR ROTRON
ACCURATE SCREW MACHINE COMPANY
(ASMCO)
ELECTRONIC SOLUTIONS
SCHURTER INC
1410 S POST RD
PO BOX 39100
300 W HIGH ST
PO BOX 67
2675 CUSTOMHOUSE CT
19 BALTIMORE STREET
6790 FLANDERS DRIVE
1016 CLEGG COURT
SAN DIEGO, CA 92121
PETALUMA CA 94952–1152
73893
MICRODOT INC
50631 E RUSSELL SCHMIDT BLVD
MT CLEMENS, MI 48045
74594
COMPONENT RESOURCES INC
BUSSMAN PARTS
C/O CASEY LAKEY
14525 SW WALKER ROAD
BEAVERTON, OR 97006
75915
80009
LITTELFUSE INC
TEKTRONIX INC
800 E NORTHWEST HWY
14150 SW KARL BRAUN DR
PO BOX 500
DES PLAINES IL 60016–3049
BEAVERTON OR 97077–0001
8X345
NORTHWEST SPRING MFG CO
5858 SW WILLOW LANE
LAKE OSWEGO, OR 97035
7–4
WESTFIELD PA 16950
TOPTON PA 19562–1420
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Replaceable Parts
Replaceable Parts List
Fig. &
Index
Number
Tektronix Part
Number
Serial No.
Effective
Serial No.
Discont’d
Qty
Name & Description
Mfr.
Code
Mfr. Part Number
CABINET AND CHASSIS ASSEMBLY
1–1
212–0193–00
12
SCREW,EXT:8–32 X 0.375 BUTTON HEAD,HEXDRIVE,STAINLESS STEEL,BLACK OXIDE FINISH
0KB01
212–0193–00
–2
200–4206–00
1
COVER:0.050 ALUMINUM,SMOKE TAN
80009
200420600
–3
441–2064–00
1
CHASSIS:VXI MAINFRAME SHEET METAL ASSY
80009
441206400
–4
426–2524–00
2
RAIL,FOOT:ALUM SHEET METAL,SMOKE TAN
80009
426252400
–5
348–0001–00
4
FOOT,CABINET:BLACK RUBBER
TK2208
ORDER BY DESC
–6
212–0193–00
4
SCREW,EXT:8–32 X 0.375 BUTTON HEAD,HEXDRIVE,STAINLESS STEEL,BLACK OXIDE FINISH
0KB01
212–0193–00
–7
212–0158–00
8
SCREW,MACHINE:8–32 X 0.375,PNH,STL,CDPL,T–20
0KB01
ORDER BY DESC
STANDARD ACCESSORIES
7–6
070–9602–00
161–0213–00
1
1
MANUAL TECH:INSTRUCTION MANUAL,VX1411
CABLE ASSY,PWR,3,16 AWG,2.5 METER,GREY, 13A/250V
80009
0B445
070–9602–00
ECM–161–0213–00
159–0397–00
1
FUSE,CARTRIDGE:5 X 20MM, 4A, 250V, CER
75915
215004
200–2265–00
1
CAP,FUSEHOLDER:5 X 20MM FUSES
61935
031.1663
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Replaceable Parts
2
1
3
4
5
5
4
6
7
6
7
Figure 7–1: Cabinet and Chassis Assembly
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7–7
Replaceable Parts
Replaceable Parts List
Fig. &
Index
Number
Tektronix Part
Number
Serial No.
Effective
Serial No.
Discont’d
Qty
Name & Description
Mfr.
Code
Mfr. Part Number
CIRCUIT BOARD AND CHASSIS PARTS
2–1
260–2618–00
1
SWITCH,PUSH:SPST;MOM,GOLD CONTACTS,0.4V
TK2469
260-2618-00
–2
386–6947–00
1
EXTRUSION,ASSY:UPPER EXTRUSION ASSY,ASSY OF
EXT,LABEL,POWER SWITCH,& NUT BAR
80009
386686500
–3
211–0720–00
17
SCR,ASSEM WSHR:6–32 X 0.500,PNH,STL,CDPL,T–15
0KB01
ORDER BY DESC
–4
118–9142–00
1
BACKPLANE,VXI:13 SLOT,C–SRE,W/ELECTRONIC
AUTOMATIC BUS GRANTSENSING
61081
V1213J1J2X–7059
–5
213–0882–00
12
SCREW,TPG,TR:6–233 X 0.437,PNH,STL,CDPL,TYPE TT,T–15
0KB01
ORDER BY DESC
–6
220–0199–01
2
NUT BAR,VXI:VME/VXI NUT BAR,M2.5 THREADS
22589
120 15.580 LENG
–7
386–6867–00
1
EXTRUSION,ASSY:LOWER EXTRUSION ASSY,LABEL,&NUT
BAR
80009
386686700
–8
378–2074–01
13
BAFFLE,VXI SLOT:0.040 AL,FORMED SHEET METAL
W/PERFORATIONS
80009
378207401
–9
351–0962–00
13
GUIDE:PLASTIC GUIDE,ECB,VXI MOLDED CKT BD GUIDE,
VXI FORM FACTOR
80009
351096200
TK1943
TK1943
80009
80009
333409201
333409200
333416900
333417000
OPTIONAL ACCESSORIES
2–10
2–11
2–12
2–13
7–8
333–4092–01
333–4092–00
333–4169–00
333–4170–00
1
1
1
1
PANEL,FRONT:DOUBLE WIDE BLANK VXI, EMI GASKET
PANEL,FRONT:SINGLE WIDE BLANK VXI, EMI GASKET
PANEL,FRONT:DOUBLE WIDE BLANK, STANDARD
PANEL,FRONT:SINGLE WIDE BLANK, STANDARD
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Replaceable Parts
3
2
4
1
6
5
13
12
11
10
8
9
6
7
5
Figure 7–2: Circuit Boards and Chassis Parts
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7–9
Replaceable Parts
Replaceable Parts List
Fig. &
Index
Number
Tektronix Part
Number
Serial No.
Effective
Serial No.
Discont’d
Qty
Name & Description
Mfr.
Code
Mfr. Part Number
POWER SUPPLY AND FAN ASSEMBLY
3–1
343–0549–00
2
STRAP,TIEDOWN,,E:0.098 W X 4.0 L,ZYTEL
TK1499
HW–047
–2
407–4331–00
1
BRACKET:0.062 ALUM SHEET,MOUNTS MONITOR ECB
80009
407433100
–3
–4
671–3901–00
211–0747–00
1
4
CIRCUIT BD ASSY:FAN CONTROL BOARD
SCREW,MACHINE:6–32 X 0.188,PNH,STL,CDPL,T–15
80009
0KB01
671390100
ORDER BY DESC
–5
020–2116–02
1
80009
020211602
–6
200–4207–00
1
COMPONENT KIT:POWER SUPPLY INTERFACE BOARD KIT
(KIT CONTAINS ITEMS 6 THROUGH 10 AND 15)
COVER:0.050 AL,COVER,ECB,PWR SPLY I/F,SHEET METAL,
MOUNT PWRSPLY I/F ECB TO PWR SPLY
80009
200420700
–7
212–0158–00
6
SCREW,MACHINE:8–32 X 0.375,PNH,STL,CDPL,T–20
0KB01
ORDER BY DESC
–8
671–3216–01
1
CIRCUIT BD ASSY:POWER SUPPLY INTERFACE
80009
671321601
–9
119–4783–03
1
POWER SUPPLY:VX1411
80009
119478303
–10
–11
367–0466–00
119–4801–00
1
2
HANDLE:WIREFORM,0.125 SST,ELECTRO POLISH, 1 X 2 IN.
FAN,DC:48V;TUBEAXIAL
80009
5Y921
367321600
JQ48R7
–12
380–1088–02
1
HOUSING:0.062 AL,FAN VXI MAINFRAME SHEET METAL
MOUNT FANS
80009
380108802
–13
211–0512–00
6
SCREW,MACHINE:6–32 X 0.5,FLH,100 DEG,STL CD PL POZ
73893
ORDER BY
DESCRIPTION
–14
378–2075–00
1
AIR FILTER:WOVEN POLYPROPYLENE,BLACK,0.125 THICK,
2 LAYER,VINYL EDGING
80009
378207500
–15
211–0846–00
4
SCREW:SCREW,SHLDR,6–32 X 0.156,HEX SOCKET
SHOULDER SCREW,0.156 DIA X 0.125 SHANK
51506
67515–S–12–VT
7–10
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Replaceable Parts
1
2
3
14
4
6
13
7
5
12
11
8
13
10
9
7
15
11
Figure 7–3: Power Supply and Fan Assembly
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7–11
Replaceable Parts
Replaceable Parts List
Fig. &
Index
Number
Tektronix Part
Number
Serial No.
Effective
Serial No.
Discont’d
Qty
Name & Description
Mfr.
Code
Mfr. Part Number
80009
020211700
80009
0KB01
80009
0KB01
950099100
ORDER BY DESC
407436300
ORDER BY DESC
06666
CTS–424
1R RACKMOUNT ASSEMBLY
4–0
020–2117–00
1
–1
–2
–3
–4
950–0991–00
212–0157–00
407–4363–00
212–0671–00
2
14
2
4
–5
351–0800–00
1
7–12
COMPONENT KIT:RACKMOUNT KIT 1R
(KIT CONTAINS ITEMS 1 THROUGH 5)
HANDLE ALUMINUM BLK
SCREW,MACHINE:8–32 X 0.5,FLH,100 DEG,STL CDPL,TORX
BRACKET:RACKMOUNT,2R
SCREW,MACHINE:10–32 X 0.625,FLH,100 DEG,STL,CDPL,
TORX
GUIDE,SLIDE:CHASSIS TRACK, (PAIR)
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Replaceable Parts
4
3
2
1
3
2
2
5
5
2
Figure 7–4: 1R Rackmount Assembly
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7–13
Replaceable Parts
Replaceable Parts List
Fig. &
Index
Number
Tektronix Part
Number
Serial No.
Effective
Serial No.
Discont’d
Qty
Name & Description
Mfr.
Code
Mfr. Part Number
80009
020211800
80009
0KB01
80009
80009
0KB01
950099100
ORDER BY DESC
214467800
407436300
211–0718–00
2R RACKMOUNT AND DOOR ASSEMBLY
5–0
020–2118–00
1
–1
–2
–3
–4
–5
950–0991–00
212–0157–00
214–4678–00
407–4363–00
211–0718–00
2
14
2
2
8
–6
212–0671–00
4
SCREW,MACHINE:10–32 X 0.625,FLH100 DEG,STL,CD PL,
TORX
0KB01
ORDER BY DESC
–7
212–0158–00
2
SCREW,MACHINE:8–32 X 0.375,PNH,STL,CD PL,T–20
0KB01
ORDER BY DESC
–8
200–4243–01
1
DOOR ASSY:LEXAN DOOR,W/LATCH HARDWARE
ATTACHED
80009
200424301
–9
351–0800–00
1
GUIDE,SLIDE:CHASSIS TRACK, (PAIR)
06666
CTS–424
7–14
COMPONENT KIT:RACKMOUNT KIT 2R
(KIT CONTAINS ALL THE FOLLOWING ITEMS EXCLUDING
ITEMS 3, 5 & 8)
HANDLE ALUMINUM BLK
SCREW,MACHINE:8–32 X 0.5,FLH,100 DEG,STL CD PL
HINGE LIFT OFF, BLACK
BRACKET:RACKMOUNT,2R
SCREW,MACHINE:6–32 X 0.312,FLH100 DEG,STL,CD
PL,T–10
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Replaceable Parts
5
6
4
3
2
1
5
3
6
7
8
8
2
1
2
4
9
9
2
Figure 7–5: 2R Rackmount and Door Assembly
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7–15
Replaceable Parts
Replaceable Parts List
Fig. &
Index
Number
Tektronix Part
Number
6–0
Serial No.
Effective
Serial No.
Discont’d
Mfr.
Code
Mfr. Part Number
COMPONENT KIT:CABLE TRAY 1U KIT
80009
020–2119–00
2
SCREW,MACHINE:8–32 X 0.375,PNH,STL,T–20
0KB01
ORDER BY
DESCRIPTION
333–4158–00
1
PANEL,CONN:0.09ALUM
0J9P4
333–4158–00
407–4361–00
1
CABLE TRAY:0.09 ALUMINUM,PAINTED SMOKE TAN
0J9P4
407–4361–00
Qty
Name & Description
020–2119–00
1
–1
212–0158–00
–2
–3
OPTION 1U CABLE TRAY
7–16
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Replaceable Parts
1
2
3
Figure 7–6: Option 1U Cable Tray
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7–17
Appendix A: Power Budget Worksheet
Use the Power Budget Worksheet to determine the operating parameters of the
VX1411 Mainframe and any installed modules. Enter the steady-state current (IMP) and the dynamic current (IMD) for each module. Add the individual
currents to determine the total current needed for each power rail. Calculate the
total power for the mainframe.
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A–1
Appendix A: Power Budget Worksheet
A–2
Power Requirements
Slot
+5V
Module
+12V
–12V
+24V
–24V
–5.2V
–2V
0
1
2
3
4
5
6
7
8
9
10
11
12
VX1411 MainFrame Instruction Manual
Total Current of All Modules
( ,
)
VX1411 Current Limit
Individual Current Sums
Less Than VX1411
Current Limits?
60A
10A
6A
2A
6A
2A
7A
5A
7A
5A
20A
7A
Power Calculation
(V x total
)
Total Power
< 500W
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10A
5A
Glossary
The terms in this glossary are defined as used in the VXIbus System. Although
some of these terms may have different meanings in other systems, it is
important to use these definitions in VXIbus applications. Terms which apply
only to a particular instrument module are noted. Not all terms appear in every
manual.
ACFAIL*
A VMEbus backplane line that is asserted under these conditions: 1) by the
mainframe Power Supply when a power failure has occurred (either ac line
source or power supply malfunction), or 2) by the front panel ON/
STANDBY switch when switched to STANDBY.
A-Size Card
A VXIbus instrument module that is 100.0 × 160 mm × 20.32 mm (3.9 ×
6.3 in × 0.8 in), the same size as a VMEbus single-height short module.
Asynchronous Communication
Communications that occur outside the normal “command-response” cycle.
Such communications have higher priority than synchronous communication.
Backplane
The printed circuit board that is mounted in a VXIbus mainframe to provide
the interface between VXIbus modules and between those modules and the
external system.
B-Size Card
A VXIbus instrument module that is 233.4 × 160 mm × 20.32 mm (9.2 ×
6.3 in × 0.8 in), the same size as a VMEbus double-height short module.
Bus Arbitration
In the VMEbus interface, a system for resolving contention for service
among VMEbus Master devices on the VMEbus.
Bus Timer
A functional module that measures the duration of each data transfer on the
Data Transfer Bus (DTB) and terminates the DTB cycle if the duration is
excessive. Without the termination capability of this module, a Bus Master
attempt to transfer data to or from a non-existent Slave location could result
in an infinitely long wait for the Slave response.
Butch Plate
A connector plate that optionally connects to the rear of the cable tray
options. The plate can be modified to accept cable connectors thus reducing
the number of cables under the VX1411 Mainframe.
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Glossary–1
Glossary
Client
In shared memory protocol (SMP), that half of an SMP channel that does not
control the shared memory buffers.
CLK10
A 10 MHz, ±100 ppm, individually buffered (to each module slot),
differential ECL system clock that is sourced from Slot 0 and distributed to
Slots 1–12 on P2. It is distributed to each module slot as a single source,
single destination signal with a matched delay of under 8 ns.
CLK100
A 100 MHz, ±100 ppm, individually buffered (to each module slot),
differential ECL system clock that is sourced from Slot 0 and distributed to
Slots 1–12 on P3. It is distributed to each module slot in synchronous with
CLK10 as a single source, single destination signal with a maximum system
timing skew of 2 ns, and a maximum total delay of 8 ns.
Commander
In the VXIbus interface, a device that controls another device (a servant). A
commander may be a servant of another commander.
Command
A directive to a device. There are three types of commands:
In Word Serial Protocol, a 16-bit imperative to a servant from its commander.
In Shared Memory Protocol, a 16-bit imperative from a client to a server, or
vice versa.
In a Message, an ASCII-coded, multi-byte directive to any receiving device.
Communication Registers
In word serial protocol, a set of device registers that are accessible to the
commander of the device. Such registers are used for inter-device communications, and are required on all VXIbus message-based devices.
Configuration Registers
A set of registers that allow the system to identify a (module) device type,
model, manufacturer, address space, and memory requirements. In order to
support automatic system and memory configuration, the VXIbus standard
specifies that all VXIbus devices have a set of such registers, all accessible
from P1 on the VMEbus.
C-Size Card
A VXIbus instrument module that is 340.0 × 233.4 mm × 30.48 mm (13.4 ×
9.2 in × 1.2 in).
Glossary–2
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Glossary
Custom Device
A special-purpose VXIbus device that has configuration registers so as to be
identified by the system and to allow for definition of future device types to
support further levels of compatibility.
Data Transfer Bus
One of four buses on the VMEbus backplane. The Data Transfer Bus allows
Bus Masters to direct the transfer of binary data between Masters and Slaves.
Device Specific Protocol
A protocol for communication with a device that is not defined in the
VXIbus specification.
D-Size Card
A VXIbus instrument module that is 340.0 × 366.7 mm × 30.48 mm (13.4 ×
14.4 in × 1.2 in).
DTB
See Data Transfer Bus.
DTB Arbiter
A functional module that accepts bus requests from Requester modules and
grants control of the DTB to one Requester at a time.
DUT
Device Under Test.
ECLTRG
Six single-ended ECL trigger lines (two on P2 and four on P3) that function
as inter-module timing resources, and that are bussed across the VXIbus
subsystem backplane. Any module, including the Slot 0 module, may drive
and receive information from these lines. These lines have an impedance of
50 W; the asserted state is logical High.
Embedded Address
An address in a communications protocol in which the destination of the
message is included in the message.
ESTST
Extended STart/STop protocol; used to synchronize VXIbus modules.
Extended Self Test
Any self test or diagnostic power-on routine that executes after the initial
kernel self test program.
External System Controller
The host computer or other external controller that exerts overall control
over VXIbus operations.
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Glossary–3
Glossary
IACK Daisy Chain Driver
The circuit that drives the VMEbus Interrupt Acknowledge daisy chain line
that runs continuously through all installed modules or through jumpers
across the backplane.
ID-ROM
An NVRAM storage area that provides for non-volatile storage of diagnostic
data.
Instrument Module
A plug-in printed circuit board, with associated components and shields, that
may be installed in a VXIbus mainframe. An instrument module may
contain more than one device. Also, one device may require more than one
instrument module.
IntelliGuides
The card guides used in the VX1411 Mainframe. The card guides on the
bottom of the mainframe shut off airflow when no modules are installed in
the respective slots.
Interface Device
A VXIbus device that provides one or more interfaces to external equipment.
Interrupt Handler
A functional module that detects interrupt requests generated by Interrupters
and responds to those requests by requesting status and identity information.
Interrupter
A device capable of asserting VMEbus interrupts and performing the
interrupt acknowledge sequence.
IRQ
The Interrupt ReQuest signal, which is the VMEbus interrupt line that is
asserted by an Interrupter to signify to the controller that a device on the bus
requires service by the controller.
Local Bus
A daisy-chained bus that connects adjacent VXIbus slots.
Local Controller
The instrument module that performs system control and external interface
functions for the instrument modules in a VXIbus mainframe or several
mainframes. See Resource Manager.
Local Processor
The processor on an instrument module.
Logical Address
The smallest functional unit recognized by a VXIbus system. It is often used
to identify a particular module.
Glossary–4
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Glossary
Mainframe
Card Cage. For example, the Tektronix VX1411 Mainframe, an operable
housing that includes 13 C-size VXIbus instrument module slots.
Memory Device
A storage element (such as bubble memory, RAM, and ROM) that has
configuration registers and memory attributes (such as type and access time).
Message
A series of data bytes that are treated as a single communication, with a well
defined terminator and message body.
Message Based Device
A VXIbus device that supports VXI configuration and communication
registers. Such devices support the word serial protocol, and possibly other
message-based protocols.
MODID Lines
Module/system identity lines.
Physical Address
The address assigned to a backplane slot during an access.
Power Monitor
A device that monitors backplane power and reports fault conditions.
P1
The top-most backplane connector for a given module slot in a vertical
mainframe such as the Tektronix VX1411. The left-most backplane
connector for a given slot in a horizontal mainframe.
P2
The bottom backplane connector for a given module slot in a vertical C-size
mainframe such as the VX1411; or the middle backplane connector for a
given module slot in a vertical D-size mainframe.
P3
The bottom backplane connector for a given module slot in a vertical D-size
mainframe.
Query
A form of command that allows for inquiry to obtain status or data.
READY Indicator
A green LED indicator that lights when the power-on diagnostic routines
have been completed successfully. An internal failure or failure of +5 V
power will extinguish this indicator.
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Glossary–5
Glossary
Register Based Device
A VXIbus device that supports VXI register maps, but not high level
VXIbus communication protocols; includes devices that are register-based
servant elements.
Requester
A functional module that resides on the same module as a Master or
Interrupt Handler and requests use of the DTB whenever its Master or
Interrupt Handler requires it.
Resource Manager
A VXIbus device that provides configuration management services such as
address map configuration, determining system hierarchy, allocating shared
system resources, performing system self test diagnostics, and initializing
system commanders.
Self Calibration
A routine that verifies the basic calibration of the instrument module circuits,
and adjusts this calibration to compensate for short- and long-term variables.
Self Test
A set of routines that determine if the instrument module circuits will
perform according to a given set of standards. A self test routine is performed upon power-on.
Servant
A VXIbus message-based device that is controlled by a commander.
Server
A shared memory device that controls the shared memory buffers used in a
given Shared Memory Protocol channel.
Shared Memory Protocol
A communications protocol that uses a block of memory that is accessible to
both client and server. The memory block operates as a message buffer for
communications.
Slot 0 Controller
See Slot 0 Module. Also see Resource Manager.
Slot 0 Module
A VXIbus device that provides the minimum VXIbus slot 0 services to slots
1 through 12 (CLK10 and the module identity lines), but that may provide
other services such as CLK100, SYNC100, STARBUS, and trigger control.
SMP
See Shared Memory Protocol.
Glossary–6
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Glossary
STARX
Two (2) bi-directional, 50 W, differential ECL lines that provide for
inter-module asynchronous communication. These pairs of timed and
matched delay lines connect slot 0 and each of slots 1 through 12 in a
mainframe. The delay between slots is less than 5 ns, and the lines are well
matched for timing skew.
STARY
Two (2) bi-directional, 50 W, differential ECL lines that provide for
inter-module asynchronous communication. These pairs of timed and
matched delay lines connect slot 0 and each of slots 1 through 12 in a
mainframe. The delay between slots is less than 5 ns, and the lines are well
matched for timing skew.
STST
STart/STop protocol; used to synchronize modules.
SYNC100
A Slot 0 signal that is used to synchronize multiple devices with respect to a
given rising edge of CLK100. These signals are individually buffered and
matched to less than 2 ns of skew.
Synchronous Communications
A communications system that follows the “command-response” cycle
model. In this model, a device issues a command to another device; the
second device executes the command; then returns a response. Synchronous
commands are executed in the order received.
SYSFAIL*
A signal line on the VMEbus that is used to indicate a failure by a device.
The device that fails asserts this line.
System Clock Driver
A functional module that provides a 16 MHz timing signal on the Utility Bus.
System Hierarchy
The tree structure of the commander/servant relationships of all devices in
the system at a given time. In the VXIbus structure, each servant has a
commander. A commander may also have a commander.
Test Monitor
An executive routine that is responsible for executing the self tests, storing any
errors in the ID-ROM, and reporting such errors to the Resource Manager.
Test Program
A program, executed on the system controller, that controls the execution of
tests within the test system.
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Glossary–7
Glossary
Test System
A collection of hardware and software modules that operate in concert to test
a target DUT.
TTLTRG
Open collector TTL lines used for inter-module timing and communication.
VXIbus Subsystem
One mainframe with modules installed. The installed modules include one
module that performs slot 0 functions and a given complement of instrument
modules. The subsystem may also include a Resource Manager.
Word Serial Protocol
A VXIbus word oriented, bi-directional, serial protocol for communications
between message-based devices (that is, devices that include communication
registers in addition to configuration registers).
Word Serial Communications
Inter-device communications using the Word Serial Protocol.
WSP
See Word Serial Protocol.
10-MHz Clock
A 10 MHz, ±100 ppm timing reference. Also see CLK10.
100-MHz Clock
A 100 MHz, ±100 ppm clock synchronized with CLK10. Also see CLK100.
488-To-VXIbus Interface
A message based device that provides for communication between the
IEEE-488 bus and VXIbus instrument modules.
Glossary–8
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Index
A
environmental specifications, 4–7
exterior cleaning, 6–2
accessories
optional, 1–5
standard, 1–4
B
backplane, 1–2, 6–12–6–14, 6–16
jumpers, 1–2
removing, 6–12–6–14
specifications, 4–9
C
cable tray, 1–2, 1–6–1–9
card guides, 6–9–6–10, 6–15
removing, 6–9–6–10
chassis ground, 2–2
cleaning
exterior, 6–2
fan filter, 6–3
interior, 6–2
cleaning procedures, 6–2–6–3
compliances
VXIplug&play, 4–11
VXI, 4–11
configuration, 1–17
EMI, 1–20
connectors
backplane, 3–1–3–4
P1, 3–1
P2, 3–2, 3–3
cooling, 1–1, 4–4
fault isolation, 6–15–6–16
cooling curve, 4–5
D
diagnostics, 6–14
disassembly procedures, 6–4–6–13
tools required, 6–4
F
fan control board, removing 6–7
fan control board, 6–17
fan assembly, removing, 6–4–6–6
fan filter, 2–2, 6–3
fan filter cleaning, 6–3
fan speed switch, 2–2
fans, removing, 6–4–6–6
fault isolation procedures, 6–14–6–17
cooling, 6–15–6–16
power supply, 6–14–6–15
functional check procedure, 1–22
fuses, line, 6–14
G
ground
chassis, 1–19
safety, 1–19
I
incoming inspection, 1–22
installation, 1–6–1–16
cable trays, 1–6–1–9
Option 1U, 1–7–1–22
rackmount, 1–10–1–15
site considerations, 1–6
interior cleaning, 6–2
M
mainframe, fuses, 6–14
maintenance, 6–1–6–17
mechanical, specifications, 4–9
module selection guidelines, 1–17
N
E
EMI configuration, 1–20
nut rails, 6–11
removing, 6–11
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Index–1
Index
O
On/Standby switch, 2–2, 6–16
P
packaging, 6–15
performance verification procedures, 5–1
DC voltage regulation, 5–1
VXIplug&play compliances, 4–11
power connector, 2–2
power cord, selecting, 1–5
power cords, 1–4
power supply, 1–1, 6–7, 6–16
fault isolation, 6–14–6–15
removing, 6–7–6–8
power supply interface board, 6–16
service strategy, 6–1
shutters. See card guides
slot fillers, 1–18
specifications, 4–1–4–11
AC power source, 4–1
backplane, 4–9
cooling, 4–4
cooling curve, 4–5
environmental, 4–7
mechanical, 4–9
safety, 4–6
secondary power, 4–2
static precautions, 6–1
switches, fan speed, 2–2
T
theory of operation, 6–15–6–17
troubleshooting procedures, 6–14–6–15
equipment required, 6–14
R
rackmount door, 1–15
rackmount kits, 1–2, 1–10
removal and replacement procedures, 6–4–6–13
tools required, 6–4
U
S
V
safety ground, 2–2
safety specifications, 4–6
secondary power, 4–2
VXI compliance, 4–11
VXIplay&play compliance, 4–11
Index–2
upgrade kits, 1–2
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