User Manual

IDentity Flex Hardware Manual – Components, Accessories and Options sirit
Version 2.3 Page 65
Opto-Isolated Relay Wiring Guide
The following wiring guide will assist the installer in wiring opto-isolated relays.
The four-module boards are detailed below, and the sixteen-module board
section starts on page 67.
Table 6.3 – Four-Module Board Input Specification
Relay Board Input
Control Terminals Signal Function Notes
1 VCC +5 VDC Input Orange
2 Ground Input from Reader
Discrete I/O Cable
Green / White
3 Relay Module #1 Control Signal
(Active Low)
4 Ground No Connection required
5 Relay Module #2 Control Signal
(Active Low)
6 Ground No Connection required
7 Relay Module #3 Control Signal
(Active Low)
8 Ground No Connection required
9 Relay Module #4 Control Signal
(Active Low)
Table 6.4 – Four-Module Board Output Specification
Relay Board
Output Terminals
Signal Function
1 Relay Module #1 (+)
2 Relay Module #1 (-)
3 Relay Module #2 (+)
4 Relay Module #2 (-)
5 Relay Module #3 (+)
6 Relay Module #3 (-)
7 Relay Module #4 (+)
8 Relay Module #4 (-)