1771-WN | Allen Bradley | PLC-5 32-Point Field Wiring Arm

Product Description

The Allen Bradley PLC-5 1771-WN Field Wiring Arm provides a reliable interface for connecting field devices to PLC-5 I/O modules. With 40 tin-plated terminals and conformal coating for environmental protection, it ensures secure and low-resistance connections. Supporting up to 32 I/O points, this wiring arm is designed for digital applications in the 10–32 VDC range and is rack-mount compatible.

Technical Specifications

• Model / Part Number 1771-WN

• Manufacturer Allen Bradley (Rockwell Automation)

• Product Line PLC-5 Series

• Product Type Field Wiring Arm

• Weight 0.2–0.5 lbs (0.1–0.23 kg)

• Maximum I/O Supported 32 points

• Number of Terminals 40 terminals

• Contact Plating Tin for durability and conductivity

• Screw Torque 7–9 lb·in

• Coating Conformal coat for added protection

• Typical Application Digital signals (10–32 VDC)

• External Power Requirement None

• Signal Delay

• AC Off: 29 ms ± 8 ms

• DC Off: 30 ms ± 7 ms

• Dimensions 4.5 × 12.4 × 6.3 in (115 × 317 × 160 mm)

• Mounting Rack mountable

Application Scenarios

• Digital signal wiring in PLC-5 automation systems

• Industrial environments requiring conformal-coated wiring arms for added protection

• Systems needing secure and reliable field connections for up to 32 I/O points

FAQ

Q: How many I/O points does the 1771-WN support?  A: It supports up to 32 I/O points.

Q: What type of terminals are included?  A: 40 tin-plated terminals for secure connections.

Q: Does the wiring arm require external power?  A: No, it operates without external power.

Q: What is the typical application of the 1771-WN?  A: It is primarily used for digital signals in the 10–32 VDC range.

Comparison with Similar Models

• 1771-WN: 32-point wiring arm, 40 terminals, tin-plated contacts

• 1771-WG: 16-point wiring arm, 21 terminals, gold-plated contacts

• 1771-WI: 8-point wiring arm, 18 terminals, thermocouple-specific design