Allen-Bradley PLC-5 I/O Modules (1771)

1771 I/O catalog covers digital, analog and specialty modules for PLC-5 systems and Remote I/O drops.

Within the Allen-Bradley PLC-5 Platform (Legacy) line, PLC-5 I/O Modules (1771) part numbers carry the 1771- prefix. Palm Parts Solution catalogues 45 distinct PLC-5 I/O Modules (1771) part numbers, including 1771-IG, 1771-KG, 1771-OA and 1771-OB.

The catalogued part numbers are classified across 7 product types: PLC CPUs & Processors (22), Digital Output Modules (6), Specialty / High-Speed I/O (5) and Digital Input Modules (4), plus 3 further product types.

Ratings, physical format and revision level differ from one PLC-5 I/O Modules (1771) part number to the next; the individual product page carries the data recorded for that specific item.

Part numbers by product type

• PLC CPUs & Processors — 22 part numbers catalogued (e.g. 1771-IG, 1771-KG, 1771-WH, +19 more)
• Digital Output Modules — 6 part numbers catalogued (e.g. 1771-OA, 1771-OB, 1771-OAD, +3 more)
• Specialty / High-Speed I/O — 5 part numbers catalogued (e.g. 1771-IND, 1771-NIV, 1771-NOV, +2 more)
• Digital Input Modules — 4 part numbers catalogued (e.g. 1771-IBD, 1771-IBN, 1771-IVN, +1 more)
• Analog Input Modules — 3 part numbers catalogued (e.g. 1771-IFE, 1771-IR-D, 1771-IFF-A)
• DIN-Rail Power Supplies — 3 part numbers catalogued (e.g. 1771-P7, 1771-P4S, 1771-P6S-ALLEN-BRADLEY)
• Analog Output Modules — 2 part numbers catalogued (e.g. 1771-OFE1, 1771-OFE2)

How to read these part numbers

Every item in this series is listed under its full Allen-Bradley part number, so the 1771- reference on the nameplate is the reference to search. Where a part number exists in more than one hardware or firmware revision, the revision recorded for the item appears on its product page. Specifications not recorded in our catalogue for a given part number are confirmed with the sourcing team before quoting.