18 CompactLogix Packaged Controllers
Publication 1769-IN082A-EN-P - July 2008
DC Outputs Wiring Diagram
(1)(2)
(1)
Recommended Surge Suppression - Use a 1N4004 diode reverse-wired across the load for transistor outputs switching 24V
DC inductive loads. For additional details, refer to Industrial Automation Wiring and Grounding Guidelines, Allen-Bradley
publication 1770-4.1
.
(2)
Sourcing Output - Source describes the current flow between the I/O and the field device. Sourcing output circuits supply
(source) current to sinking field devices. Field devices connected to the negative side (DC Common) of the field power
supply are sinking field devices. Field devices connected to the positive side (+V) of the field supply are sourcing field
devices. Europe: DC sinking input and sourcing output circuits are the commonly used options.
+DC
24V dc (source)
-DC
DC COM
OUT 14
OUT 12
OUT 10
OUT 8
OUT 6
OUT 4
OUT 2
OUT 0
OUT 15
OUT 13
OUT 11
OUT 9
OUT 7
OUT 5
OUT 3
OUT 1
+VDC
CR
CR
CR
CR
CR
CR
CR
CR
CR
CR
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