Owner's manual
154 Rockwell Automation Publication 1756-UM058G-EN-P - November 2012
Chapter 8 Wiring Diagrams
1756-OA8D
ControlLogix AC (74...132V) diagnostic output module
12
34
5
6
7
8
910
11
12
1314
1516
1718
19
20
Daisy
Chain to
Other
RTBs
Daisy Chain to
Other RTBs
Group 0Group 0
Group 1Group 1
L2
1756-OA8D
Not Used
L1-0
L1-0
L1-0
L1-1
L1-1
L1-1
L1-1
L1-0
L1-1
L2-0
OUT-0
OUT-1
OUT-2
OUT-4
OUT-5
OUT-6
OUT-7
OUT-3
L2-1
L1
ControlLogix
Backplane
Interface
Diagnostic Control Block with Opto
and Transformer Isolation
Surge Current Chart
Continuous @ 30 °C (86 °F)
Current
Display
Simplified Schematic
OUT
L1
Continuous @ 60 °C (140 °F)
Time
Surge @ 30 °C (86 °F)
Surge @ 60 °C (140 °F)
Loss of Field Power
Short
Verify/
No Load
VAC
GATE
L2
500 mA
043 ms
1 A
5 A
8 A