Rockwell Automation 1756-XXXX ControlLogix Digital I/O Modules - Manual (Page 159)

Rockwell Automation Publication 1756-UM058G-EN-P - November 2012 159
Wiring Diagrams Chapter 8
1756-OB8EI
ControlLogix DC (10...30V) electronically-fused, isolated output module
1 2
3 4
5 6
7 8
0 1 9
2 1 1 1
4 1 3 1
6 1 5 1
8 1 7 1
0 2 9 1
2 2 1 2
4 2 3 2
6 2 5 2
8 2 7 2
0 3 9 2
2 3 1 3
4 3 3 3
6 3 5 3
+
+
-
-
+ –
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
1756-OB8EI
Daisy Chain to
Other RTBs
Nonisolated
Wiring
Daisy Chain to
Other RTBs
Continuous @ 60 °C (140 °F)
ControlLogix Backplane Interface
Display
Output
Device
OUT-0
RTN
OUT-0
DC-0(+)
OUT-0
Surge Current Chart
Simplified Schematic
Surge
+5V
Cu
rr
en
t
Time
0 10 ms
2 A
4 A