| Brand | Allen‑Bradley |
| Series | PLC‑5 / 1771 Bulletin |
| Status | Discontinued by Manufacturer |
| Mounting | Rack‑Mountable (1771 I/O Chassis) |
| Input Type | AC/DC Digital Inputs |
| Wiring Arm | 1771‑WA |
| Part Number | 1771‑IA |
| Manufacturer | Rockwell Automation |
| Product Type | Digital Input Module |
| Input Voltage | 87–138 V AC (47–63 Hz) or 97–138 V DC |
| Number of Inputs | 8 Channels |
Does the Allen-Bradley 1771-IA come with a warranty?
Yes. The 1771-IA is backed by our 24-Month Replace Industrial Warranty, with no rush fees or hidden warranty charges. If a unit fails under normal use within the warranty period, we repair or replace it.
Is this 1771-IA a genuine Allen-Bradley part?
The 1771-IA is sourced and verified independently. Replace Industrial, LLC is not a Rockwell Automation Authorized Distributor, and all warranties are provided directly by Replace Industrial.
Is the Allen-Bradley 1771-IA new or used?
We offer the 1771-IA in multiple conditions, from unused surplus to professionally reconditioned units. Every option is sourced and verified independently and covered by our 2-year replacement warranty.
What are the key ratings of the 1771-IA?
The 1771-IA runs on 87–138 V AC (47–63 Hz) or 97–138 V DC.
What is the Allen-Bradley 1771-IA?
The 1771-IA is an Allen-Bradley PLC-5 Digital Input Module.
1771-IA
The Allen‑Bradley 1771‑IA is a robust digital input module from the PLC‑5 series, engineered to interface directly with 120V AC or DC field devices. Featuring eight (8) input channels, it supports an operating voltage of 87–138V AC at 47–63 Hz or 97–138V DC, ensuring compatibility with a wide range of industrial sensors and switches. The module is optically isolated to protect internal circuitry and delivers dependable performance in electrically noisy environments. It installs into a single slot in a 1771 I/O chassis and connects via the 1771‑WA wiring arm for secure and efficient field wiring.
All products are covered by our 2-Year (24-Month) Replace Industrial Warranty. If a unit is found defective under normal use within the warranty period, we repair or replace it at no additional cost, and a unit may be returned for a full refund within 30 days if returned in the same condition it was sent.
Replace Industrial is an independent distributor and does not convey the manufacturer's warranty; all warranties are provided by Replace Industrial alone. Read the full warranty policy
We repair a wide range of industrial automation equipment, including PLCs, HMIs, drives, servo motors, switches, and circuit breakers, with rush service for critical downtime. Request a quote, ship your unit, and we diagnose, repair, and return it. Request a repair quote
Our standard shipping method is UPS Ground. We can also ship on your FEDEX or DHL account.
We can ship many items our the same day via Overnight or 2 Day Shipping.
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If you have already placed an order, please send us your form and we can refund the charged taxes.
