Allen-Bradley 1771-IR/D | RTD Input Module

Overview

The 1771-IR/D is a PLC-5 RTD input module with 6 input channels for Copper and Platinum RTDs, supporting temperature measurements in Celsius and Fahrenheit.

Details

• Manufacturer: Rockwell Automation
• Brand: Allen-Bradley
• Part Number: 1771-IR/D
• Module Type: RTD Input
• Inputs: 6 Three-Wire RTD Channels
• Data Format: Natural Binary, BCD Actual Temperature, or Ohm Readings

Specs

• Voltage Range: 100 Ohms (Platinum), 10 Ohms (Other)
• Channel Update Time: 50 ms (for 6 channels)
• Resolution: 16 bits + sign (1.0°C/1.0°F/bit)
• Backplane Current: 800 mA
• Signal Delay (On): 10 ms (DC)
• Signal Delay (Off): 45 (+/- 15) ms (AC), 50 ms (DC)
• External Power Required: No
• Wiring Arm: 1771-WH
• Mounting: Rack Mountable

Features

• Temperature Measurement: Supports Celsius and Fahrenheit
• Input Compatibility: Copper and Platinum RTDs
• Signal Processing: High-resolution, reliable temperature readings

Applications

Used in temperature monitoring and control for industrial automation systems.

Dimensions

• Width: 3.0 inches (76 mm)
• Height: 5.0 inches (127 mm)
• Depth: 8.0 inches (203 mm)

Certifications

• Certifications: UL Listed, CSA certified, CE compliant