Allen Bradley 1771-WI Field Wiring Arm for IXE

Product Overview

The Allen-Bradley 1771-WI is a field wiring arm designed for the 1771-IXE thermocouple/millivolt input module. It provides screw terminal connections for thermocouple and millivolt field wiring, allowing the module to be removed without disconnecting wires.

Technical Specs

• Compatibility: 1771-IXE thermocouple/millivolt input module
• Terminal type: Screw terminals on swing arm
• Function: Field wiring termination with module removal capability
• Platform: PLC-5 / 1771 I/O chassis

Key Features

• Allows module replacement without disturbing field wiring
• Swing-arm design provides clear access during installation
• Keyed to prevent incorrect module insertion
• Maintains proper thermocouple wiring polarity

FAQ

• Which module uses the 1771-WI? It is specifically designed for the 1771-IXE thermocouple/millivolt input module.
• Is it fused? No, the standard WI has no fuse holders.
• Can I use it with other 1771 modules? No, the WI is keyed specifically for the IXE module connector.

Installation Guide

1. Wire all thermocouple and millivolt signals to the terminals on the wiring arm.
2. Observe correct polarity for thermocouple connections.
3. Align the wiring arm with the module connector and press firmly until it latches.
4. Swing the arm into its operating position against the module face.
5. Verify terminal screws are torqued to specification.

Selection Tips

• Order the 1771-WI when installing a new 1771-IXE module.
• Keep spare wiring arms on hand to minimize downtime during maintenance.
• Use thermocouple-grade extension wire for all field connections.