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PCI-PDISO8
Isolated Input and Relay Output
User's Guide
Document Revision 10
April 2012
© Copyright 2012
Your new Measurement Computing product comes with a fantastic extra
—
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HM PCI-PDISO8.docx
Table of Contents
Preface
About this User's Guide ....................................................................................................................... 4
What you will learn from this user's guide ......................................................................................................... 4
Conventions in this user's guide ......................................................................................................................... 4
Where to find more information ......................................................................................................................... 4
Register-level programming ............................................................................................................................................. 4
Chapter 1
Introducing the PCI-PDISO8................................................................................................................. 5
Overview: PCI-PDISO8 features ........................................................................................................................ 5
Chapter 2
Installing the PCI-PDISO8 ..................................................................................................................... 6
What comes with your PCI-PDISO8 shipment? ................................................................................................. 6
Hardware .......................................................................................................................................................................... 6
Software ............................................................................................................................................................................ 6
Documentation .................................................................................................................................................................. 6
Optional components ........................................................................................................................................................ 6
Unpacking........................................................................................................................................................... 6
Installing the software ........................................................................................................................................ 6
Installing the hardware ....................................................................................................................................... 6
Signal connections .............................................................................................................................................. 7
P2 pinout ........................................................................................................................................................................... 8
Cabling.............................................................................................................................................................................. 8
Signal termination ............................................................................................................................................................. 9
Chapter 3
Functional Details ............................................................................................................................... 10
Relay outputs .................................................................................................................................................... 10
Form C relay ....................................................................................................................................................................10
Form A relay ....................................................................................................................................................................10
Isolated inputs ................................................................................................................................................... 11
Extending the input range ................................................................................................................................................11
AC input filter ..................................................................................................................................................................11
Mechanical drawing ......................................................................................................................................... 12
Chapter 4
Specifications ...................................................................................................................................... 13
Isolated inputs ................................................................................................................................................... 13
Power consumption .......................................................................................................................................... 13
Environmental .................................................................................................................................................. 13
Main connector and pin out .............................................................................................................................. 14
Declaration of Conformity .................................................................................................................. 15
3
Preface
About this User's Guide
What you will learn from this user's guide
This user's guide describes the Measurement Computing PCI-PDISO8 data acquisition device and lists device specifications.
Conventions in this user's guide
For more information
Text presented in a box signifies additional information and helpful hints related to the subject matter you are reading.
Caution! Shaded caution statements present information to help you avoid injuring yourself and others, damaging your hardware, or losing your data.
bold text
italic text
Bold text is used for the names of objects on a screen, such as buttons, text boxes, and check boxes.
Italic text is used for the names of manuals and help topic titles, and to emphasize a word or phrase.
Where to find more information
Additional information about the PCI-PDISO8 is available on our website at www.mccdaq.com
. You can also contact Measurement Computing Corporation by phone, fax, or email with specific questions.
Phone: 508-946-5100 and follow the instructions for reaching Tech Support
Fax: 508-946-9500 to the attention of Tech Support
Email: [email protected]
Register-level programming
You should use the Universal Library to control your board. Only experienced programmers should attempt register-level programming. If you need to program at the register level in your application, refer to the Register
Map for the PCI-PDISO8. This document is available on our web site at www.mccdaq.com/registermaps/RegMapPCI-PDISO8.pdf
.
4
Chapter 1
Introducing the PCI-PDISO8
Overview: PCI-PDISO8 features
The PCI-PDISO8 is an eight channel-isolated high voltage digital input and eight relay output interface board.
You can use the PCI-PDISO8 for control and sensing applications where high voltages need to be sensed or controlled.
Caution! High voltages are present on the PCI-PDISO8 board when you connect high voltage inputs or outputs to the PCI-PDISO8 connector. Use extreme caution! Never handle the PCI-PDISO8 when signals are connected to the board through the connector.
Never remove the protective plates from the PCI-PDISO8.
The eight inputs are individual, optically-isolated (500 V) inputs that can be read back as a single byte. The inputs are not polarity sensitive and may be driven by either AC (50 - 1000 Hz) or DC. Each input channel has a programmable low-pass filter with a time constant of 5 ms (200 Hz).
The eight outputs are electromechanical relays. Five relays provide Form C connections, and three relays provide normally-open Form A connections. The relays are controlled by writing to an eight-bit port. The relay control register can be read back from the same port.
Signal conditioning installed
The PCI-PDISO8 is a combination digital I/O board with signal conditioning installed. Most accessory boards provide signal conditioning or easy-to-access signal termination. The PCI-PDISO8 does not require additional signal conditioning.
PCI-PDISO8 functions are illustrated in the block diagram shown here.
Figure 1. PCI-PDISO8 block diagram
5
Chapter 2
Installing the PCI-PDISO8
What comes with your PCI-PDISO8 shipment?
The following items are shipped with the PCI-PDISO8.
Hardware
PCI-PDISO8
Software
MCC DAQ CD
Documentation
In addition to this hardware user's guide, you should also receive the Quick Start Guide. This booklet provides an overview of the MCC DAQ software you received with the device, and includes information about installing the software. Please read this booklet completely before installing any software or hardware.
Optional components
Cables o C37FF-x and C37FFS-x
Signal termination boards
Unpacking
As with any electronic device, you should take care while handling to avoid damage from static electricity. Before removing the PCI-PDISO8 from its packaging, ground yourself using a wrist strap or by simply touching the computer chassis or other grounded object to eliminate any stored static charge.
If any components are missing or damaged, notify Measurement Computing Corporation immediately by phone, fax, or e-mail:
Phone: 508-946-5100 and follow the instructions for reaching Tech Support
Fax: 508-946-9500 to the attention of Tech Support
Email: [email protected]
For international customers, contact your local distributor. Refer to the International Distributors section on our web site at www.mccdaq.com/International .
Installing the software
Refer to the Quick Start Guide for instructions on installing the software on the MCC DAQ CD. This booklet is available in PDF at www.mccdaq.com/PDFmanuals/DAQ-Software-Quick-Start.pdf
.
Installing the hardware
The PCI-PDISO8 is completely plug-and-play. There are no switches or jumpers to set. Configuration is controlled by the system BIOS.
6
PCI-PDISO8 User's Guide Installing the PCI-PDISO8
Install the MCC DAQ software before you install your board
The driver needed to run your board is installed with the MCC DAQ software. Therefore, you need to install the
MCC DAQ software before you install your board. Refer to the Quick Start Guide for instructions on installing the software.
Complete the following steps to install the board:
1. Turn your computer off, open it up, and insert your board into an available PCI slot.
2. Close your computer and turn it on.
When you connect the device for the first time to a computer running Windows, a
Found New Hardware
dialog opens when the operating system detects the device. If the information file for this board is not already loaded onto your PC, you will be prompted for the disk containing this file. The MCC DAQ software contains this file. If required, insert the Measurement Computing Data Acquisition Software CD and click
OK
.
3. To test your installation and configure your board, run the InstaCal utility installed in the previous section.
Refer to the Quick Start Guide that came with your board for information on how to initially set up and load InstaCal.
Signal connections
The table below lists the board connectors, applicable cables and compatible accessory boards.
Board connectors, cables, accessory equipment
I/O connector type
Compatible cable
Compatible accessory products
(with the C37FFS-x and C37FF-x cables)
P2: 37-pin D connector
C37FF-x, where x = length in feet
C37FFS-x, where x =5 or 10 feet
CIO-MINI37
SCB-37
Figure 2 shows the location of the I/O connector P2 and board relays.
Figure 2. P2 connector and relays (shown with protective cover removed)
the protective cover removed – we recommend that the cover always be left in place during use.
7
PCI-PDISO8 User's Guide Installing the PCI-PDISO8
Caution!
Do not remove the protective plate on the PCI-PDISO8
. High voltages are present on the board when you connect high voltage inputs or outputs to the board connector. Use extreme caution!
Never handle the PCI-PDISO8 when signals are connected to the board through the connector.
P2 pinout
Cabling
1
20
Figure 3. P2 connector pinout
The red stripe identifies pin # 1
1
20
19
37
Figure 4. C37FF-x cable
19
37
19
Figure 5. C37FFS-x cable
8
PCI-PDISO8 User's Guide Installing the PCI-PDISO8
Information on signal connections
General information regarding signal connection and configuration is available in the Guide to Signal
Connections. This document is available on our web site at www.mccdaq.com/signals/signals.pdf
.
Signal termination
You can use the following screw terminal board with the C37FF-x cable:
CIO-MINI37 – 37-pin screw terminal board.
SCB-37 – 37-conductor, shielded signal connection/screw terminal box.
Details on these products are available on our web site at www.mccdaq.com/products/screw_terminal_bnc.aspx
.
Caution! Do not use exposed-screw terminal boards if your field voltage is more than 24 volts. Using a screw terminal board with high voltage inputs or outputs exposes you and others to those high voltage signals. Construct a safe cable to carry your signals directly from your equipment to the
PCI-PDISO8 connector.
Additional information about digital interfacing
Detailed information about digital interfacing is contained in the Guide to Signal Connections. This document is available on our web site at www.mccdaq.com/signals/signals.pdf
.
9
Chapter 3
Functional Details
Relay outputs
Form C relay
schematic for a Form C relay, like those connected at relay 0 through relay 4.
Figure 6. Form C Relay (0) contacts
When 0 is written to the output, the common and NC are in contact.
When 1 is written to the output, the common and NO are in contact.
Form A relay
relay, like those connected at relay 5 through relay 7.
Figure 7. Form A Relay (5) contacts
When 0 is written to the output, the common and NO are NOT in contact.
When 1 is written to the output, the common and NO are in contact.
The Form A and Form C relays on the PCI-PDISO8 board are the same type. Only the connections to the relay poles differ.
10
PCI-PDISO8 User's Guide Functional Details
Isolated inputs
signals are routed through a bridge rectifier so that the inputs are not polarity sensitive.
Figure 8. Isolated input schematic - simplified
Extending the input range
and the equations used to calculate resistor values for a given V in
.
Figure 9. Input range-extending resistor
For more information on digital signal connections
For more information on digital signal connections and digital I/O techniques, refer to the Guide to Signal
Connections. This document is available on our web site at available on our web site at www.mccdaq.com/signals/signals.pdf
).
AC input filter
The inputs are eight individual, optically isolated (500 V) inputs that can be read back as a single byte. The inputs are not polarity sensitive and may be driven by either AC (50 Hz to 1000 Hz) or DC.
Each input has a software enabled/disabled low-pass filter with a time constant of 5 ms (200 Hz). You enable or disable each input with InstaCal. The filter is required for AC inputs, and should be used for almost all DC inputs. Unless you have reason to turn off a filter, you should enable it.
11
PCI-PDISO8 User's Guide
Mechanical drawing
Functional Details
Figure 10. PCI-PDISO8 board dimensions
12
Specifications
Typical for 25°C unless otherwise specified.
Specifications in italic text are guaranteed by design.
Relay specifications
Table 1. Relay specifications
Number
Contact configuration
Contact rating
Contact resistance
Operate time
Release time
Vibration
Shock
Dielectric isolation
Life expectancy
Power on RESET state
8
5 FORM C (SPDT) RELAY 0 through RELAY 4
3 FORM A (SPST) RELAY 5 through RELAY 7
6 A @ 120 VAC or 28 VDC resistive (see connector rating below)
100 milliohms max
20 milliseconds max
10 milliseconds max
10 to 55 Hz (Dual amplitude 1.5 mm)
10 G (11 milliseconds)
500 V (1 minute)
10 million mechanical operations, min
Not energized. NC in contact to Common.
Chapter 4
Isolated inputs
Number
Isolation
Resistance
Voltage range
Input ‘High’ level
Input ‘Low’ level
Response
Filters
Power consumption
+5 V Power
Table 3. Power consumption specifications
All relays off:
All relays on:
0.4 A typical
1 A typical
Environmental
Table 2. Isolated input specifications
8
500 V
1.6 k Ohms min.
DC:
AC:
5 to 28 V (Not TTL compatible)
5 to 28 V (50 to 1000 Hz)
>5V min (positive or negative input voltage - not TTL compatible)
<2.5V max (positive or negative input voltage) w/o filter: 20 µS w/filter: 5 mS
Time constant: 5 mS (200 Hz)
Filter control: Software programmable at each input
Power-up /reset: Filters off
Operating temperature range
Storage temperature range
Humidity
Table 4. Environmental specifications
0 to 70 °C
-40 to 100 °C
0 to 90% non-condensing
13
PCI-PDISO8 User's Guide
Main connector and pin out
Table 5. Main connector specifications
I/O connector type
Compatible cable
Compatible accessory products (with the
C37FFS-x and C37FF-x cables)
Max current
12
13
14
15
16
17
6
7
8
9
10
11
18
19
Pin Signal Name
1
2
3
4
5
Input 7A
Input 6A
Input 5A
Input 4A
Input 3A
Input 2A
Input 1A
Input 0A
Relay 7 (C)
Relay 6 (C)
Relay 5 (C)
Relay 4 (NC)
Relay 4 (NO)
Relay 3 (C)
Relay 2 (NC)
Relay 2 (NO)
Relay 1 (C)
Relay 0 (NC)
Relay 0 (NO)
37-pin D connector
C37FF-x, where x = length in feet
C37FFS-x, where x =5 or 10 feet
CIO-MINI37
SCB-37
5 A
Table 6. Connector pin out
31
32
33
34
35
36
25
26
27
28
29
30
37
Pin Signal Name
20
21
22
23
24
Input 7B
Input 6B
Input 5B
Input 4B
Input 3B
Input 2B
Input 1B
Input 0B
Relay 7 (NO)
Relay 6 (NO)
Relay 5 (NO)
Relay 4 (C)
Relay 3 (NC)
Relay 3 (NO)
Relay 2 (C)
Relay 1 (NC)
Relay 1 (NO)
Relay 0 (C)
Specifications
14
Declaration of Conformity
Manufacturer:
Address:
Category:
Measurement Computing Corporation
10 Commerce Way
Suite 1008
Norton, MA 02766
USA
Information technology equipment.
Measurement Computing Corporation declares under sole responsibility that the product
PCI-PDISO8
to which this declaration relates is in conformity with the relevant provisions of the following standards or other documents:
EC EMC Directive 2004/108/EC: Electromagnetic Compatibility, EN 61326-1:2006 (IEC 61326-1:2005)
Emissions: Group 1, Class B
EN55022 (1995)/CISPR 22: Radiated and Conducted emissions.
Immunity: EN61326-1:2006, (IEC 61326-1:2005)
EN61000-4-2 (2001): Electrostatic Discharge immunity.
EN61000-4-3 (2002): Radiated Electromagnetic Field immunity.
EN61000-4-4 (2004): Electric Fast Transient Burst immunity.
EN61000-4-5 (2001): Surge immunity.
EN61000-4-6 (2003): Radio Frequency Common Mode immunity.
EN61000-4-11 (2004): Voltage Dip and Interrupt immunity.
Declaration of Conformity based on tests conducted by Chomerics Test Services, Woburn, MA 01801, USA in
September, 2001. Test records are outlined in Chomerics Test Report #EMI3053.01. Further testing was conducted by Chomerics Test Services, Woburn, MA. 01801, USA in December, 2008. Test records are outlined in Chomerics Test report #EMI5241.08.
We hereby declare that the equipment specified conforms to the above Directives and Standards.
Carl Haapaoja, Director of Quality Assurance
Measurement Computing Corporation
10 Commerce Way
Suite 1008
Norton, Massachusetts 02766
(508) 946-5100
Fax: (508) 946-9500
E-mail: [email protected] www.mccdaq.com
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Table of contents
- 4 What you will learn from this user's guide
- 4 Conventions in this user's guide
- 4 Where to find more information
- 4 Register-level programming
- 5 Overview: PCI-PDISO8 features
- 6 What comes with your PCI-PDISO8 shipment?
- 6 Hardware
- 6 Software
- 6 Documentation
- 6 Optional components
- 6 Unpacking
- 6 Installing the software
- 6 Installing the hardware
- 7 Signal connections
- 8 P2 pinout
- 8 Cabling
- 9 Signal termination
- 10 Relay outputs
- 10 Form C relay
- 10 Form A relay
- 11 Isolated inputs
- 11 Extending the input range
- 11 AC input filter
- 12 Mechanical drawing
- 13 Isolated inputs
- 13 Power consumption
- 13 Environmental
- 14 Main connector and pin out