Owner's manual

170 Rockwell Automation Publication 1756-UM058G-EN-P - November 2012
Chapter 8 Wiring Diagrams
1756-OH8I
ControlLogix DC (90...146V) isolated output module
12
34
56
78
910
1112
1314
1516
1718
1920
2122
2324
2526
2728
2930
3132
3334
3536
+
+
-
-
+
–
DC-0 (+)
RTN OUT-0
DC-1 (+)
RTN OUT-1
DC-4 (+)
DC-2 (+)
RTN OUT-2
DC-3 (+)
RTN OUT-3
Not used
RTN OUT-4
DC-5 (+)
RTN OUT-5
DC-6 (+)
RTN OUT-6
DC-7 (+)
RTN OUT-7
Not used
OUT-0
OUT-0
OUT-1
OUT-1
OUT-4
OUT-2
OUT-2
OUT-3
OUT-3
Not used
OUT-4
OUT-5
OUT-5
OUT-6
OUT-6
OUT-7
OUT-7
Not used
DC COM
Isolated Wiring
Daisy
chain to
other
RTBs
Non-Isolated
Wiring
1756-OH8I
Daisy
chain to
other
RTBs
ControlLogix Backplane Interface
RTN
OUT-0
DC-0
Display
Surge Current Chart
Simplified Schematic
Surge
+5V
Current
Time
0
10 ms
2 A
4 A
OUT-0
Continuous @ 60 °C (140 °F)