The Allen Bradley 1771-WF is a PLC-5 series field wiring arm module engineered for the 1771 I/O platform. It serves as a detachable wiring interface between field devices and compatible I/O modules, allowing fast maintenance, simplified installation, and secure signal termination in industrial automation systems.
Designed for long-term industrial reliability, the 1771-WF helps reduce downtime during module replacement while maintaining organized cabinet wiring for PLC-5 architectures.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen Bradley (Rockwell Automation) |
| Catalog Number | 1771-WF |
| Module Type | Field Wiring Arm |
| System Family | PLC-5 / 1771 I/O |
| Function | Field signal termination and wiring interface |
| Compatible Modules | Selected 1771 analog and digital I/O modules |
| Terminal Style | Screw-clamp terminals |
| Wiring Access | Front-facing terminal access |
| Connection Type | Swing-arm detachable interface |
| Mounting Method | Direct connection to I/O module |
| Field Wiring Support | Standard industrial control wiring |
| Maintenance Feature | Module replacement without disconnecting field wires |
| Construction | Industrial-grade molded assembly |
| Backplane Connection | Through attached I/O module |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Weight | ~0.14 kg |
| Dimensions (L×W×H) | 167 mm × 37 mm × 131 mm |
System Role Overview
The 1771-WF is designed to provide a reliable and maintainable field wiring connection system within PLC-5 automation cabinets. It acts as the physical interface between field-side wiring and the installed 1771 I/O module.
Core functions include:
- Secure field wiring termination
- Simplified I/O module servicing
- Organized industrial cabinet wiring
- Reduced maintenance downtime
- Stable electrical connectivity for industrial signals
Its detachable swing-arm structure makes it especially useful in systems requiring fast service access.
Recommended Related Modules
| Model | Function |
|---|---|
| 1771-IFE | Analog input module |
| 1771-OFE2 | Analog current output module |
| 1771-OBD | DC output module |
| 1771-IAD | AC input 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-DMC | Communication module |
| 1771-SN | Remote I/O scanner module |
| 1771-ALX | Local I/O adapter module |
| 1771-P6S | PLC-5 power supply module |
