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ProDAQ 3940 Relay Function Card User Manual
3940-XX-UM
Table of Contents
GLOSSARY ......................................................................................................................... 4
REFERENCE DOCUMENTS ............................................................................................... 4
1.
INTRODUCTION .......................................................................................................... 5
2.
INSTALLATION ........................................................................................................... 6
2.1
2.2
2.3
3.
UNPACKING AND INSPECTION .................................................................................... 6
RESHIPMENT INSTRUCTIONS ..................................................................................... 6
INSTALLATION .......................................................................................................... 6
THEORY OF OPERATION .......................................................................................... 7
3.1
RELAY TYPES AND PROTECTION ................................................................................ 7
3.1.1
Board versions ............................................................................................... 7
3.1.2
Reed relays .................................................................................................... 7
3.1.3
Photovoltaic relays ......................................................................................... 7
3.1.4
Overcurrent protection .................................................................................... 8
3.1.5
Overvoltage protection ................................................................................... 9
3.2
RELAYS CONTROL AND SYNCHRONOUS UPDATE .......................................................... 9
3.3
TRIGGER SYSTEM ..................................................................................................... 9
3.3.1
Input trigger .................................................................................................... 9
3.3.2
Output trigger ............................................................................................... 10
3.4
REGISTER DESCRIPTION ......................................................................................... 11
3.4.1
Address map and registers........................................................................... 11
3.5
REGISTER DETAILS ................................................................................................ 12
3.5.1
FCID ............................................................................................................. 12
3.5.2
FCVER ......................................................................................................... 12
3.5.3
FCCSR ......................................................................................................... 12
3.5.4
FCLEN.......................................................................................................... 13
3.5.5
OTRI ............................................................................................................. 13
3.5.6
ITRI .............................................................................................................. 15
3.5.7
TEST ............................................................................................................ 16
3.5.8
UPDATE ....................................................................................................... 17
3.5.9
RELG1.......................................................................................................... 17
3.5.10 RELG2.......................................................................................................... 18
3.5.11 FCSUB ......................................................................................................... 19
3.5.12 FCSERH....................................................................................................... 19
3.5.13 FCSERL ....................................................................................................... 20
4.
SOFTWARE UTILITIES ............................................................................................. 21
4.1
INTRODUCTION ...................................................................................................... 21
4.2
SOFT FRONT PANEL ............................................................................................... 21
4.3
PROGRAMMING CONCEPTS ..................................................................................... 23
4.3.1
Instrument Driver Overview .......................................................................... 23
4.3.2
Error/Status Information ............................................................................... 23
4.3.3
Connecting to the instrument........................................................................ 24
4.3.4
API Layout .................................................................................................... 25
4.3.5
Programming instrument .............................................................................. 25
5.
TECHNICAL SPECIFICATION .................................................................................. 27
6.
FRONT PANEL CONNECTOR AND SIGNAL ASSIGNMENTS ................................ 29
Copyright, © 2002 Bustec Production Ltd.
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