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