National Instruments SCXI-1160 Manual de usuario

SCXI-1160

User Manual

16-Channel Single-Pole Double-Throw (SPDT) Relay Module

March 1999 Edition

Part Number 320513B-01

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Warranty

The SCXI-1160 is warranted against defects in materials and workmanship for a period of one year from the

date of shipment, as evidenced by receipts or other documentation. National Instruments will, at its option,

repair or replace equipment that proves to be defective during the warranty period. This warranty includes parts

and labor.

The media on which you receive National Instruments software are warranted not to fail to execute

programming instructions, due to defects in materials and workmanship, for a period of 90 days from date of

shipment, as evidenced by receipts or other documentation. National Instruments will, at its option, repair or

replace software media that do not execute programming instructions if National Instruments receives notice of

such defects during the warranty period. National Instruments does not warrant that the operation of the

software shall be uninterrupted or error free.

A Return Material Authorization (RMA) number must be obtained from the factory and clearly marked on the

outside of the package before any equipment will be accepted for warranty work. National Instruments will pay

the shipping costs of returning to the owner parts which are covered by warranty.

National Instruments believes that the information in this document is accurate. The document has been

carefully reviewed for technical accuracy. In the event that technical or typographical errors exist, National

Instruments reserves the right to make changes to subsequent editions of this document without prior notice to

holders of this edition. The reader should consult National Instruments if errors are suspected. In no event shall

National Instruments be liable for any damages arising out of or related to this document or the information

contained in it.

EXCEPT AS SPECIFIED HEREIN, NATIONAL INSTRUMENTS MAKES NO WARRANTIES, EXPRESS OR IMPLIED,

AND SPECIFICALLY DISCLAIMS ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR

PURPOSE. CUSTOMERÍS RIGHT TO RECOVER DAMAGES CAUSED BY FAULT OR NEGLIGENCE ON THE PART

OF NATIONAL INSTRUMENTS SHALL BE LIMITED TO THE AMOUNT THERETOFORE PAID BY THE CUSTOMER.

NATIONAL INSTRUMENTS WILL NOT BE LIABLE FOR DAMAGES RESULTING FROM LOSS OF DATA, PROFITS,

USE OF PRODUCTS, OR INCIDENTAL OR CONSEQUENTIAL DAMAGES, EVEN IF ADVISED OF THE POSSIBILITY

THEREOF. This limitation of the liability of National Instruments will apply regardless of the form of action,

whether in contract or tort, including negligence. Any action against National Instruments must be brought

within one year after the cause of action accrues. National Instruments shall not be liable for any delay in

performance due to causes beyond its reasonable control. The warranty provided herein does not cover

damages, defects, malfunctions, or service failures caused by ownerís failure to follow the National

Instruments installation, operation, or maintenance instructions; ownerís modification of the product; ownerís

abuse, misuse, or negligent acts; and power failure or surges, fire, flood, accident, actions of third parties, or

other events outside reasonable control.

Under the copyright laws, this publication may not be reproduced or transmitted in any form, electronic or

mechanical, including photocopying, recording, storing in an information retrieval system, or translating, in

whole or in part, without the prior written consent of National Instruments Corporation.

Trademarks

LabVIEW™, NI-DAQ™, and RTSI™ is a trademark of National Instruments Corporation.

Product and company names mentioned herein are trademarks or trade names of their respective companies.

WARNING REGARDING MEDICAL AND CLINICAL USE OF

NATIONAL INSTRUMENTS PRODUCTS

National Instruments products are not designed with components and testing for a level of reliability suitable

for use in or in connection with surgical implants or as critical components in any life support systems whose

failure to perform can reasonably be expected to cause significant injury to a human. Applications of National

Instruments products involving medical or clinical treatment can create a potential for death or bodily injury

caused by product failure, or by errors on the part of the user or application designer. Because each end-user

system is customized and differs from National Instruments testing platforms and because a user or application

designer may use National Instruments products in combination with other products in a manner not evaluated

or contemplated by National Instruments, the user or application designer is ultimately responsible for

verifying and validating the suitability of National Instruments products whenever National Instruments

products are incorporated in a system or application, including, without limitation, the appropriate design,

process and safety level of such system or application.

Contents

About This Manual ..........................................................................................................xi

Organization of This Manual .......................................................................................xi

Conventions Used in This Manual............................................................................... xii

Related Documentation................................................................................................ xiii

Customer Communication ........................................................................................... xiii

Chapter 1

Introduction ........................................................................................................................1-1

What Your Kit Should Contain.................................................................................... 1-2

Optional Software ........................................................................................................1-2

Optional Equipment .....................................................................................................1-3

Custom Cables ................................................................................................. 1-3

Unpacking .................................................................................................................... 1-4

Chapter 2

Configuration and Installation.....................................................................................2-1

Module Configuration.................................................................................................. 2-1

Jumper Configuration ...................................................................................... 2-5

Jumper W1 ........................................................................................... 2-5

Jumper W5 ........................................................................................... 2-5

Using Jumpers W1 and W5 ................................................................. 2-5

Using Jumpers W2, W3, and W4.........................................................2-7

Hardware Installation...................................................................................................2-7

Signal Connections ......................................................................................................2-8

Front Connector ............................................................................................... 2-9

Front Connector Signal Descriptions...............................................................2-10

Contact Protection for Inductive Load Connections........................................ 2-10

Terminal Block ................................................................................................ 2-12

SCXI-1324 Terminal Block .....................................................2-12

Signal Connection. ......................................................2-13

SCXI-1324 Installation. ...............................................2-15

Rear Signal Connector .....................................................................................2-15

Rear Signal Connector Signal Descriptions.....................................................2-17

Digital I/O Signal Connections ............................................................2-17

Timing Requirements and Communication Protocol....................................... 2-19

Communication Signals ....................................................................... 2-19

Chapter 3

Theory of Operation ........................................................................................................3-1

Functional Overview....................................................................................................3-1

SCXIbus Connector ......................................................................................... 3-2

SCXIbus Connector Signal Descriptions.........................................................3-4

Digital Interface ........................................................................................................... 3-5

Digital Control Circuitry..............................................................................................3-6

Relay Channels ............................................................................................................3-7

SCXI-1160 User Manual vi © National Instruments Corporation

Chapter 4

Register Descriptions ....................................................................................................... 4-1

Register Description..................................................................................................... 4-1

SCXI-1160 Registers ....................................................................................... 4-1

Address Handler ............................................................................................... 4-1

Module ID Register.............................................................................. 4-3

Data Register........................................................................................ 4-4

Status Register......................................................................................4-5

Parking Register...............................................................................................4-6

Slot 0 Register Descriptions............................................................................. 4-7

Slot-Select Register.............................................................................. 4-8

Chapter 5

Programming ......................................................................................................................5-1

Programming Considerations....................................................................................... 5-1

Notation............................................................................................................5-1

Initialization .........................................................................................5-3

Examples......................................................................................................................5-3

Example 1 ........................................................................................................ 5-4

Example 2 ........................................................................................................ 5-4

Example 3 ........................................................................................................ 5-5

Appendix A

Specifications .......................................................................................................................A-1

Contact Ratings ........................................................................................................... A-1

Physical ........................................................................................................................A-2

Operating Environment................................................................................................ A-2

Storage Environment....................................................................................................A-2

Appendix B

Rear Signal Connector ....................................................................................................B-1

Rear Signal Connector Signal Descriptions.....................................................B-2

Appendix C

SCXIbus Connector .........................................................................................................C-1

SCXIbus Connector Signal Descriptions.........................................................C-3

Appendix D

SCXI-1120 Front Connector .........................................................................................D-1

Front Connector Signal Descriptions...............................................................D-2

Appendix E

SCXI-1160 Cabling...........................................................................................................E-1

SCXI-1340 Cable Assembly........................................................................................E-1

SCXI-1340 Installation ....................................................................................E-2

SCXI-1341 Lab-NB, Lab-PC, or Lab-PC+ and SCXI-1344 Lab-LC

Cable Assembly ........................................................................................................... E-3

SCXI-1341 and SCXI-1344 Installation .......................................................... E-4

SCXI-1342 PC-LPM-16 Adapter Board...................................................................... E-5

SCXI-1342 Installation ....................................................................................E-6

DIO-96 Board Connection AT-MIO-16D, and AT-MIO-64F-5 Board Connection...................E-6

SCXI-1351 and NB5 Cable Installation..........................................................E-7

SCXI-1348 DIO-32F Adapter Board...........................................................................E-8

SCXI-1348 Installation ................................................................................................E-10

SCXI-1180 Feedthrough Panel ....................................................................................E-10

SCXI-1180 Installation ....................................................................................E-10

SCXI-1302 50-Pin Terminal Block ............................................................................. E-12

SCXI-1302 Wiring Procedure.......................................................................... E-12

SCXI-1302 Installation ....................................................................................E-13

SCXI-1351 One-Slot Cable Extender .......................................................................... E-13

SCXI-1351 Installation ....................................................................................E-14

Multiple-Chassis Connections for the SCXI-1160 ...................................................... E-14

SCXI-1350 Multichassis Adapter ................................................................................ E-14

SCXI-1350 Installation ....................................................................................E-14

SCXI-1343 Rear Screw Terminal Adapter ..................................................................E-15

SCXI-1343 Installation ....................................................................................E-16

Appendix F

Aromat Relay Technical Data ......................................................................................F-1

Appendix G

Customer Communication.............................................................................................G-1

Glossary .......................................................................................................................Glossary-1

Index ..................................................................................................................................Index-1

SCXI-1160 User Manual viii © National Instruments Corporation

Figures

Figure 1-1. SCXI-1160 Relay Module ............................................................................... 1-1

Figure 2-1. SCXI-1160 General Parts Locator Diagram ....................................................2-2

Figure 2-2. Detailed Parts Locator Diagram....................................................................... 2-3

Figure 2-3. SCXI-1160 Front Connector Pin Assignment .................................................2-9

Figure 2-4. Contact Protection Using a Flyback Diode for DC Inductive Loads...............2-11

Figure 2-5. Arc Suppressor Pad Locations ......................................................................... 2-12

Figure 2-6. SCXI-1324 Parts Locator Diagram.................................................................. 2-14

Figure 2-7. SCXI-1160 Rear Signal Connector Pin Assignment .......................................2-16

Figure 2-8. Slot-Select Timing Diagram ............................................................................ 2-20

Figure 2-9. Serial Data Timing Diagram ............................................................................ 2-21

Figure 2-10. Address Handler Timing Diagram...................................................................2-22

Figure 2-11. Data Register Write Timing Diagram..............................................................2-23

Figure 2-12. SCXI-1160 Module ID Register Timing Diagram .......................................... 2-24

Figure 2-13. SCXI-1160 Status Register Timing Diagram ..................................................2-25

Figure 3-1. SCXI-1160 Block Diagram.............................................................................. 3-1

Figure 3-2. SCXIbus Connector Pin Assignment...............................................................3-3

Figure 3-3. Digital Interface Circuitry Block Diagram ...................................................... 3-5

Figure 3-4. SCXI-1160 Digital Control..............................................................................3-6

Figure B-1. SCXI-1160 Rear Signal Connector Pin Assignment .......................................B-1

Figure C-1. SCXIbus Connector Pin Assignment...............................................................C-2

Figure D-1. SCXI-1160 Front Connector Pin Assignment .................................................D-1

Figure E-1. SCXI-1340 Installation .................................................................................... E-3

Figure E-2. SCXI-1351 and NB5 Cable Installation........................................................... E-8

Figure E-3. SCXI-1180 Rear Connections..........................................................................E-11

Figure E-4. SCXI-1180 Front Panel Installation.................................................................E-12

Figure E-5. SCXI-1350 Cover Removal .............................................................................E-13

Tables

Table 2-1. Digital Signal Connections and Jumper Settings............................................. 2-6

Table 2-2. COM to NO Arc Suppressor Placement ..........................................................2-11

Table 2-3. COM to NC Arc Suppressor Placement .......................................................... 2-12

Table 2-4. SCXIbus to SCXI-1160 Rear Signal Connector to Data Acquisition Board

Pin Equivalences .............................................................................................. 2-19

Table 3-1. SCXIbus Equivalents for the Rear Signal Connector ...................................... 3-5

Table 4-1. Register Addresses...........................................................................................4-2

Table 4-2. Truth Table for Resetting and Setting Relays..................................................4-4

Table 5-1. SCXIbus to SCXI-1160 Rear Signal Connector to Data Acquisition

Board Pin Equivalences ...................................................................................5-2

Table E-1. SCXI-1160 and Board Pinout Equivalences.................................................... E-2

Table E-2. SCXI-1341 and 1344 Pin Translations ...........................................................E-4

Table E-3. SCXI-1342 Pin Translations ............................................................................E-5

Table E-4. SCXI-1160 and DIO-96 Board Pinout Equivalences ......................................E-7

Table E-5. SCXI-1348 Pin Translations ............................................................................E-9

Table E-6. SCXI-1343 Pin Connections............................................................................ E-15

About This Manual

This manual describes the electrical and mechanical aspects of the SCXI-1160 and contains

information concerning its operation and programming. The SCXI-1160 is a member of the

National Instruments Signal Conditioning eXtensions for Instrumentation (SCXI) Series modules

for the National Instruments data acquisition plug-in boards. This module is designed for

switching and controlling low-level and power signals. The SCXI-1160 operates as 16 relay

channels. Each channel is isolated and independently configurable.

This manual describes the installation, basic programming considerations, and theory of

operation for the SCXI-1160.

Organization of This Manual

The SCXI-1160 User Manual is organized as follows:

• Chapter 1, Introduction, describes the SCXI-1160; lists the contents of your SCXI-1160 kit;

describes the optional software, optional equipment, and custom cables; and explains how to

unpack the SCXI-1160 kit.

• Chapter 2, Configuration and Installation, describes the SCXI-1160 jumper configurations,

installation of the SCXI-1160 into the SCXI chassis, signal connections to the SCXI-1160,

and cable wiring.

• Chapter 3, Theory of Operation, contains a functional overview of the SCXI-1160 module

and explains the operation of each functional unit making up the SCXI-1160.

• Chapter 4, Register Descriptions, describes in detail the SCXI-1160 Address Handler, the

Module ID Register, the Data Register, the Status Register, and the Slot 0 registers.

• Chapter 5, Programming, contains a functional programming description of the SCXI-1160

and Slot 0.

• Appendix A, Specifications, lists the specifications for the SCXI-1160.

• Appendix B, Rear Signal Connector, describes the pinout and signal names for the

SCXI-1160 50-pin rear signal connector, including a description of each connection.

• Appendix C, SCXIbus Connector, describes the pinout and signal names for the SCXI-1160

96-pin SCXIbus connector, including a description of each connection.

• Appendix D, SCXI-1160 Front Connector, describes the pinout and signal names for the

SCXI-1160 front connector, including a description of each connection.

• Appendix E, SCXI-1160 Cabling, describes how to use and install the hardware accessories

for the SCXI-1160.

• Appendix F, Aromat Relay Technical Data, contains technical data on Aromat Corporation

relays.

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