1771-WI Output Module for PLC-5 | Allen-Bradley

Product Description

The 1771-WI is a reliable wiring arm module designed for output connections in PLC-5 systems. It supports low-resistance signal transfer for thermocouple and other low-voltage applications, with gold-plated terminals and conformal coating to ensure long-term durability and signal integrity. The module is compatible with 1771 I/O chassis and provides precise AC/DC signal response.

Technical Specifications

• Manufacturer: Allen-Bradley

• Model Number: 1771-WI

• Product Type: Output Wiring Arm Module

• Module Type: Wiring Arm

• Max Number of I/O Points: 8

• Number of Terminals: 18

• Contact Plating: Gold

• Screw Torque: 7–9 lb·in

• Typical Application: Thermocouple, low-resistance connections

• Protective Coating: Conformal coat

• Required External Power: None

• Typical AC Signal Delay (Off): 29 ± 8 ms

• Typical DC Signal Delay (Off): 30 ± 7 ms

• Compatible Wiring Arm: 1771-WN

• Weight: 0.31 lbs (0.14 kg)

Key Features

• Gold-plated contacts for minimal resistance and reliable connectivity

• Compact rack-mountable design compatible with PLC-5 I/O chassis

• Conformal coating protects against dust, moisture, and corrosion

• Suitable for thermocouple and low-voltage output wiring

Applications

• Output wiring in PLC-5 control systems

• Low-resistance signal distribution for analog and thermocouple modules

• Modular expansion of I/O connectivity