RoadRunner
U S E R S G U I D E
74
Appendix B —
Rear Panel Pin Outs
Relay outputs and opto-inputs:
1
Relay A, normally open
8
OPA+
2
Relay A, normally closed
21
OPA-
14
Relay A, common
10
OPB+
22
OPB-
15
Relay B, normally open
11
OPC+
16
Relay B, normally closed
23
OPC-
3
Relay B, common
12
OPD+
24
OPD-
4
Relay C, normally open
5
Relay C, normally closed
17
Relay C, common
18
Relay D, normally open
19
Relay D, normally closed
6
Relay D, common
20, 25 Ground
12, 13 +5 VDC
Remote Control / Software Upgrade:
2
TD
3
RD
5
Gnd