The Allen Bradley 1771-WC is a PLC-5 series field wiring arm module designed for the 1771 I/O platform. It provides a secure and organized interface between field wiring and compatible 1771 I/O modules, allowing fast module replacement without disconnecting field-side wiring.
This wiring arm is widely used in industrial automation cabinets to simplify installation, reduce maintenance time, and improve wiring reliability within PLC-5 systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen Bradley (Rockwell Automation) |
| Catalog Number | 1771-WC |
| Module Type | Field Wiring Arm |
| System Family | PLC-5 / 1771 I/O |
| Function | Field wiring termination interface |
| Compatible Modules | Selected 1771 analog and output modules |
| Terminal Type | Screw-clamp terminal connections |
| Wiring Capacity | Industrial control wiring |
| Connection Style | Detachable swing-arm interface |
| Mounting Method | Direct attachment to 1771 I/O module |
| Field Wiring Access | Front-access terminal design |
| Backplane Connection | Through connected I/O module |
| Maintenance Feature | Hot-swappable field wiring retention |
| Construction | Industrial-grade molded assembly |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Weight | ~0.15 kg |
| Dimensions (L×W×H) | 165 mm × 35 mm × 130 mm |
System Role Overview
The 1771-WC is designed to provide a removable field wiring interface for PLC-5 I/O modules. It enables technicians to replace or service modules without disconnecting field wires, minimizing downtime during maintenance procedures.
Core functions include:
- Secure field wire termination
- Simplified module replacement
- Organized control cabinet wiring
- Reduced maintenance downtime
- Reliable connection between field devices and I/O modules
It is commonly used in industrial systems where serviceability and wiring stability are critical.
Recommended Related Modules
| Model | Function |
|---|---|
| 1771-OFE2 | Analog current output module |
| 1771-IFE | Analog input module |
| 1771-IFF | High-resolution analog input module |
| 1771-OBD | DC output module |
| 1771-OQ16 | High-density DC output module |
| 1771-A4B | 16-slot I/O chassis |
Popular Allen Bradley PLC-5 Modules
| Model | Function |
|---|---|
| 1785-L40B | PLC-5 processor |
| 1771-SN | Remote I/O scanner module |
| 1771-DMC | Data Highway communication module |
| 1771-ALX | Local I/O adapter module |
| 1771-P6S | PLC-5 power supply module |
