5.3.3 Relay Interface Assembly Front Access Connections
1. NC = Normally Closed. NO = Normally Open. COM = Common.
2. Relay contact conditions refer to the no power state of the relay.
EXPANSION CARD
Left Right
36 Not Used 35 Not Used
34 Ground 33 Ground
32 RL16-COM (CH4 A2) 31 RL16-NO (CH4 A2)
30 RL15-COM (CH3 A2) 29 RL15-NO (CH3 A2)
28 RL14-COM (CH2 A2) 27 RL14-NO (CH2 A2)
26 RL13-COM (CH1 A2) 25 RL13-NO (CH1 A2)
24 RL12-NO (CH4 A1) 23 RL12-NC (CH4 A1)
22 RL12-COM (CH4 A1) 21 RL11-COM (CH3 A1)
20 RL11-NO (CH3 A1) 19 RL11-NC (CH3 A1)
18 RL10-NO (CH2 A1) 17 RL10-NC (CH2 A1)
16 RL10-COM (CH2 A1) 15 RL9-COM (CH1 A1)
14 RL9-NO (CH1 A1 13 RL9-NC (CH1 A1)
12 RL8-NO (CH4 Fault) 11 RL8-NC (CH4 Fault)
10 RL8-COM (CH4 Fault) 9 RL7-COM (CH3 Fault)
8 RL7-NO (CH3 Fault) 7 RL7-NC (CH3 Fault)
6 RL6-NO (CH2 Fault) 5 RL6-NC (CH2 Fault)
4 RL6-COM (CH2 Fault) 3 RL5 - COM (CH1 Fault)
2 RL5-NO (CH1 Fault) 1 RL5-NC (CH1 Fault)
QUAD RELAY CARD
Left Right
36 0V Input 35 +24V Input
34 Remote Inhibit 33 Remote Reset
32 Analogue CH4 31 Analogue CH3
30 Analogue CH2 29 Analogue CH1
28 Analogue 0V 27 Analogue 24V
26 Channel 4 (NS) 25 Channel 3 (NS)
24 Channel 4 (01) 23 Channel 3 (01)
22 Channel 4 (S) 21 Channel 3 (S)
20 Channel 2 (NS) 19 Channel 1 (NS)
18 Channel 2 (01) 17 Channel 1 (01)
16 Channel 2 (S) 15 Channel 1 (S)
14 Ground 13 Ground
12 RL4-NO (Master A3) 11 RL4-NC (Master A3)
10 RL4-COM (Master A3) 9 RL3-COM (Master A2)
8 RL3-NO (Master A2) 7 RL3-NC (Master A2)
6 RL2-NO (Master A1) 5 RL2-NC (Master A1)
4 RL2-COM (Master A1) 3 RL1-COM (Master Fault)
2 RL1-NO (Master Fault) 1 RL1-NC (Master Fault)
Expansion
Card
Quad Relay
Card
Slot
Location
Label
Label for
User Terminal
Reference
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