Allen-Bradley 1771-IMD/B 16-Channel AC Digital Input Module

Product Description

The 1771-IMD/B AC digital input module from Allen-Bradley is designed for use with PLC-5 controllers and the 1771 Series I/O platform. This module provides 16 input channels for monitoring AC voltage signals, making it suitable for industrial environments where reliable signal detection is required. Compact and lightweight, it integrates seamlessly into existing Allen-Bradley systems while maintaining high accuracy and efficiency.

Technical Specifications

• Manufacturer: Allen-Bradley

• Model Number: 1771-IMD/B

• Compatible Systems: PLC-5 controllers, 1771 Series I/O

• Input Type: AC digital

• Number of Inputs: 16 channels

• Voltage Rating: 220 VAC/DC

• Backplane Requirements: 0.25 A @ 5 V DC

• Dimensions: 1.3 in × 10.3 in × 5.8 in (3.2 cm × 26.0 cm × 14.6 cm)

• Weight: 1 lb 1.6 oz (0.5 kg)

Key Features

• 16 AC Input Channels: Provides reliable monitoring of AC voltage signals

• Compact Design: Slim profile for efficient cabinet installation

• System Compatibility: Fully integrates with Allen-Bradley PLC-5 and 1771 Series I/O systems

• Low Power Requirement: Consumes only 0.25 A at 5 V DC

Application Scenarios

• Industrial automation systems requiring AC signal monitoring

• Power distribution and control applications

• Manufacturing process monitoring with PLC-5 controllers

FAQ

Q: How many input channels does the 1771-IMD/B provide?  A: It supports 16 AC digital input channels.

Q: Which systems are compatible with this module?  A: It is designed for Allen-Bradley PLC-5 controllers and 1771 Series I/O systems.

Q: What is the voltage rating?  A: The module supports 220 VAC/DC input signals.

Comparison with Similar Models

• 1771-IMD/A: Earlier version with similar specifications

• 1771-IMD/B: Updated design with improved reliability