Overview
Manuals
Power Function
System Compatibility
Commissioning Checks
Features:
- Nominal Voltage is 120 V AC for the documented 1771-P4R execution.
- The complete catalog identity and hardware revision must match the approved receiving-system record.
- Connector allocation, paired assemblies and configuration data must be preserved during replacement.
1771-P4R is an Allen-Bradley Power Supply selected by its complete product identity and documented equipment role. Correct selection depends on the installed controller, hardware execution, connected assemblies and approved 1771 Series I/O configuration rather than appearance alone.
Before installing 1771-P4R, record the original nameplate, slot or mounting position, terminal or connector allocation, paired assemblies and relevant settings. Compare the supplied unit with approved documentation, isolate affected energy sources, preserve configuration data and complete controlled diagnostics and functional checks before return to service.
The 1771-P4R Allen-Bradley Power Supply is listed as Obsolete / Discontinued by OEM. Current revision, availability and supplied scope are confirmed in the written quotation.
Allen-Bradley 1771-P4R documentation and reference links.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
1771-P4R performs the documented power supply role within the 1771 Series I/O platform. Nominal Voltage is 120 V AC; Line Frequency is 50/60 Hz; Equipment Function is Power Supply
Replacement of 1771-P4R requires a verified match to the receiving 1771 Series I/O hardware, controller revision, connected assemblies and configuration record. Preserve the installed slot, connectors and required settings before removal, then verify every affected function after installation.
After installing 1771-P4R, confirm power, communication, I/O or motion interfaces as applicable; review controller diagnostics; restore approved configuration data; and complete the documented functional test before production release.
