ControlLogix Redundant Power Supply 7
Publication 1756-IN573C-EN-P - October 2003
Identify the Components of a Redundant Power Supply System
The components are shown below in a typical system configuration:
Figure 2
Table 1 Redundant Power Supply System Components
Catalog Number Description Quantity
1756-PA75R/A and/or
1756-PB75R/A
Redundant power supply 2
1756-CPR2 Redundant power supply cables
(Length = 0.91m [3ft])
2
1756-PSCA2 Redundant power supply chassis
adapter module
1
User-supplied
(1)
(1)
Optional user-provided annunciator wiring can be connected to the solid state relay for status and troubleshooting
purposes. For more information, see pages 15 and 20.
Annunciator wiring
(Maximum length = 10m [32.8ft])
2
1756-PA75R/A 1756-PA75R/A
1756-CPR2
1756-PSCA2
42655
Annunciator wiring
1756 Input module
Allen-Bradley HMIs
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