F I E L D F O N E I I U S E R S G U I D E
23
23
Appendix C — 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+
15
Relay B, normally open
22
OPB—
16
Relay B, normally closed
11
OPC+
3
Relay B, common
23
OPC—
4
Relay C, normally open
12
OPD+
5
Relay C, normally closed
24
OPD—
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
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