
Technical Reference Manual – SB-293
Printing Date 01838-002 Rev. 3.0
July-1998 Page 3of 32
CONTENTS
Features................................................................................................................................................. 5
Specifications......................................................................................................................................... 8
Cable Requirements .............................................................................................................................. 8
System Cautions.................................................................................................................................... 9
Transient Suppression........................................................................................................................ 9
SB-293 Board Installation .................................................................................................................... 10
Jumper Settings................................................................................................................................ 10
Installing the SB-293 Satellite Board................................................................................................ 10
Understanding Inputs and Outputs................................................................................................... 11
Inputs ............................................................................................................................................ 11
Door Status Switch Input........................................................................................................... 12
Request to Exit Switch .............................................................................................................. 12
General Purpose Inputs ............................................................................................................ 12
Auxiliary RTE Input.................................................................................................................... 13
Output Relays............................................................................................................................... 13
Lock Relay................................................................................................................................. 13
Alarm Out Relay........................................................................................................................ 14
Door Held Open Relay.............................................................................................................. 14
General Purpose Output Relay................................................................................................. 14
Wiring Connections.............................................................................................................................. 15
Terminal Block Connections............................................................................................................. 15
Two-Door Configuration................................................................................................................ 16
TB-7 – Lock Relay Connection ................................................................................................. 16
TB-7 – Alarm Relay Connection................................................................................................ 17
TB-8 – Door Status Switch Connection..................................................................................... 18
TB-8 – Request to Exit Connection........................................................................................... 18
TB-8 – Auxiliary Request to Exit Connection............................................................................ 19
TB-8/TB-9 – General Purpose Input Connection...................................................................... 20
TB-10 – Door Held Open Alarm Relay Connection .................................................................. 21
TB-10 – General Purpose Output Relay Connections.............................................................. 22
Additional Inputs/Outputs Configuration....................................................................................... 24
TB-8/TB-9 – General Purpose Input Connection...................................................................... 24
TB-7/TB-10 – General Purpose Output Relay Connections..................................................... 25
System Operation ................................................................................................................................ 27
I/O Configuration........................................................................................................................... 27
System Maintenance............................................................................................................................ 27
Glossary............................................................................................................................................... 28
Index..................................................................................................................................................... 30
Appendix .............................................................................................................................................. 31