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Identify the Components of a Redundant Power Supply System
Table 1 Redundant Power Supply System Components
Catalog Number
1756-PA75R/A and/or
1756-PB75R/A
1756-CPR2
1756-PSCA2
(1)
User-supplied
(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.
The components are shown below in a typical system configuration:
Figure 2
1756-CPR2
1756-PSCA2
Description
Redundant power supply
Redundant power supply cables
(Length = 0.91m [3ft])
Redundant power supply chassis
adapter module
Annunciator wiring
(Maximum length = 10m [32.8ft])
1756-PA75R/A
Allen-Bradley H
ControlLogix Redundant Power Supply
1756-PA75R/A
Publication 1756-IN573C-EN-P - October 2003
Quantity
2
2
1
2
Annunciator wiring
1756 Input module
42655
7
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