| Brand | Allen‑Bradley |
| Series | PLC‑5 |
| Status | Discontinued by Manufacturer |
| Mounting | Rack‑Mountable (1771 I/O Chassis) |
| Part Number | 1771‑IB |
| Signal Type | Digital DC |
| Manufacturer | Rockwell Automation |
| Product Type | Digital DC Input Module |
| Number of Inputs | 8 Channels |
| Input Voltage Range | 10–27 VDC |
| Nominal Input Current | 8 mA @ 12 VDC, 24 mA @ 24 VDC |
Does the Allen-Bradley 1771-IB come with a warranty?
Yes. The 1771-IB 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-IB a genuine Allen-Bradley part?
The 1771-IB 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-IB new or used?
We offer the 1771-IB 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-IB?
The 1771-IB runs on 10–27 VDC and draws 8 mA @ 12 VDC, 24 mA @ 24 VDC.
What is the Allen-Bradley 1771-IB?
The 1771-IB is an Allen-Bradley PLC-5 Digital DC Input Module.
1771-IB
The Allen‑Bradley 1771‑IB is a digital DC input module from the PLC‑5 series, designed to interface field devices with a programmable controller. This module features 8 input channels and supports a voltage range of 10–27 VDC. It draws 8 mA at 12 VDC and 24 mA at 24 VDC nominal input voltage. The 1771‑IB module converts DC input signals into compatible logic levels for use by the PLC-5 processor. Designed for rack-mounted installation in any standard 1771 I/O chassis, the module is a compact, reliable solution for applications requiring low-density discrete DC signal acquisition.
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
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