Allen Bradley 1771-IBD Digital DC Input Module

Overview

The Allen Bradley 1771-IBD is a digital DC input module designed for PLC-5 and 1771 series control systems. It is used to interface DC field devices such as proximity sensors, push buttons, and limit switches with the PLC system. The module ensures reliable signal acquisition in industrial automation environments with stable performance and noise resistance.

General Information

Part Number: 1771-IBD

Manufacturer: Allen-Bradley (Rockwell Automation)

Brand: Allen-Bradley

Country of Origin: USA

Series: 1771 I/O System / PLC-5

Product Type: DC Digital Input Module

Mounting Type: Installed within 1771 I/O chassis

Function: Receives and processes DC digital input signals from field devices

Design: Industrial-grade discrete input module

Power Specifications

Input Voltage: 24 V DC (typical field input level)

Backplane Power: Supplied via 1771 chassis

Power Consumption: Low-power electronic module

Isolation: Optical isolation between field inputs and backplane

Protection: Surge protection and industrial noise filtering

Communication & Interface

Interface Type: 1771 backplane I/O communication bus

Input Channels: Multiple DC digital input points

Signal Type: ON/OFF DC control signals

Diagnostics: LED indicators for each input channel

System Integration: Compatible with PLC-5 and 1771 I/O systems

Environmental

Operating Temperature: 0 to 60 °C

Storage Temperature: -40 to 85 °C

Humidity: 5% to 95% non-condensing

Vibration Resistance: Industrial cabinet installation standard

Protection Rating: IP20 when installed in enclosure

Installation Environment: Industrial control cabinet required

Dimensions & Weight

Dimensions (H × W × D): 165 × 51 × 89 mm

Weight: 0.45 kg

FAST DELIVERY – READY FOR INDUSTRIAL USE