Rockwell Automation 1756-XXXX ControlLogix Digital I/O Modules - Manual (Page 170)

170 Rockwell Automation Publication 1756-UM058G-EN-P - November 2012
Chapter 8 Wiring Diagrams
1756-OH8I
ControlLogix DC (90...146V) isolated output module
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
+
+
-
-
+ –
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
Cu
rr
en
t
Time
0 10 ms
2 A
4 A
OUT-0
Continuous @ 60 °C (140 °F)