1771-WN | Allen-Bradley PLC-5 Wiring Arm With 32 I/O And 40 Terminals
1771-WN | Allen-Bradley PLC-5 Wiring Arm With 32 I/O And 40 Terminals
1771-WN | Allen-Bradley PLC-5 Wiring Arm With 32 I/O And 40 Terminals
    1771-WN | Allen-Bradley PLC-5 Wiring Arm With 32 I/O And 40 Terminals
1771-WN | Allen-Bradley PLC-5 Wiring Arm With 32 I/O And 40 Terminals

1771-WN | Allen-Bradley PLC-5 Wiring Arm With 32 I/O And 40 Terminals

Part #: 1771-WN Manufactured by: Allen-Bradley
Regular price
$155.00
Sale price
$155.00
Regular price
32 in Stock
Condition: New – Open box
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Product Overview
Allen-Bradley 1771-WN PLC-5 Field Wiring Arm for Input/Output Modules, 32-Point (Max), 40 Terminals, Tin Plated Contacts
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Product Description P/N: 1771-WN

Description / Specifications

Description 

The Allen-Bradley 1771-WN is a wiring arm designed to provide organized, reliable terminal connections for PLC-5 I/O modules. With 32 I/O support and 40 terminals, it ensures stable and efficient field wiring integration in industrial automation systems.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Allen-Bradley
Manufacturer Rockwell Automation
Category Pilot Devices
Part Number 1771-WN
Subcategory Wiring Arm
Module Type PLC-5 wiring arm
Max Number of I/O 32
Number of Terminals 40
Contact Plating Tin
Screw Torque 7–9 lb*in
Typical Application 10–32 VDC digital signals
Coating Conformal coat
Required External Power None
Typical AC Signal Delay (Off) 29 ± 8 ms
Typical DC Signal Delay (Off) 30 ± 7 ms
Dimensions 4.5 × 12.4 × 6.3 in (115 × 317 × 160 mm)

 

 

Information About 1771-WN

The 1771-WN is a wiring arm developed for Allen-Bradley 1771 Series I/O modules, offering a structured interface for connecting field devices to PLC-5 systems. Its 40-terminal layout supports up to 32 input or output points, helping maintain clean, organized wiring within control panels. Built with durable industrial-grade materials and tin-plated contacts, the wiring arm provides long-term connection reliability under demanding operating conditions. Designed for quick installation and module replacement, the 1771-WN helps reduce maintenance time and improve operational efficiency in automation environments.

Key Features

  • 32 I/O Support: accommodates up to 32 digital input or output signals for PLC-5 modules.
  • 40-Terminal Wiring Interface: provides organized, clearly arranged screw terminals for secure field wiring connections.
  • Tin Contact Plating: enhances conductivity and protects connection points from corrosion in industrial environments.
  • Rated Screw Torque: supports 7–9 lb*in torque for stable and secure terminal tightening.
  • Conformal Coating: offers additional protection against dust, humidity, and environmental contaminants.
  • No External Power Required: operates entirely through the attached 1771 module without additional power input.
  • Suitable for Industrial DC Applications: supports 10–32 VDC digital signal wiring across automation systems.
  • Reduced Maintenance Time: allows quick module replacement without rewiring the field connections.

The 1771-WN delivers the reliability and precision required for structured, long-lasting wiring connections in Allen-Bradley PLC-5 control systems.

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Frequently Asked Questions about 1771-WN
Question: What is the 1771-WN wiring arm used for?
Date Update:18/06/2025
Answer:

The Allen-Bradley 1771-WN is a wiring arm specifically designed to connect field wiring to 1771 series I/O modules in PLC-5 systems. It provides a secure terminal interface that simplifies both installation and maintenance. By allowing direct connection without altering module internals, it helps minimize downtime during module swaps or service. This component is essential for creating organized, efficient control panels in industrial automation systems.

Question: Which modules is this wiring arm compatible with?
Date Update:18/06/2025
Answer:

The 1771-WN is compatible with all standard Allen-Bradley 1771 series I/O modules. This includes digital and analog cards used in PLC-5 systems. It supports up to 32 I/O points and interfaces with modules through a plug-style front connection. Always verify the module’s terminal configuration to ensure alignment with the arm’s terminal layout.

Question: How is the 1771-WN installed?
Date Update:18/06/2025
Answer:

Installation involves:

  1. Aligning the wiring arm with the front face of a compatible 1771 I/O module
  2. Attaching it using the integrated latch system
  3. Securing all field wiring to the 40 screw terminals with 7–9 lb·in torque
  4. Verifying each connection point and labeling wires if required

No special tools are needed beyond a torque screwdriver.

Question: Can the wiring arm affect signal delay?
Date Update:18/06/2025
Answer:

The 1771-WN does not actively process signals but may introduce minor delay due to physical wiring characteristics. Typical delays:

  • AC Signal Off Delay: ~29 ±8 ms
  • DC Signal Off Delay: ~30 ±7 ms

These values are minimal and within normal operating ranges for PLC-5 systems.

Question: Does this wiring arm support analog modules?
Date Update:18/06/2025
Answer:

While primarily designed for digital applications (10–32V DC), the 1771-WN can be used with certain analog modules in the 1771 series if the terminal configuration aligns. However, some analog modules may require different wiring arm models optimized for signal type or isolation. Always check the module’s datasheet for wiring compatibility.

IQElectro is not an authorized distributor.
IQElectro LLC (IQElectro) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens, or any other Manufacturers. IQElectro is NOT an Authorized Dealer of this product. The product may be of older version, date codes, or design than that available from authorized dealers. As IQElectro is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. IQElectro sells SURPLUS only and DOES NOT SELL SOFTWARE or FIRMWARE licenses For more detailed information, please refer to the full version of our disclaimer policy Disclaimer Policy.
Description / Specifications

Description 

The Allen-Bradley 1771-WN is a wiring arm designed to provide organized, reliable terminal connections for PLC-5 I/O modules. With 32 I/O support and 40 terminals, it ensures stable and efficient field wiring integration in industrial automation systems.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Allen-Bradley
Manufacturer Rockwell Automation
Category Pilot Devices
Part Number 1771-WN
Subcategory Wiring Arm
Module Type PLC-5 wiring arm
Max Number of I/O 32
Number of Terminals 40
Contact Plating Tin
Screw Torque 7–9 lb*in
Typical Application 10–32 VDC digital signals
Coating Conformal coat
Required External Power None
Typical AC Signal Delay (Off) 29 ± 8 ms
Typical DC Signal Delay (Off) 30 ± 7 ms
Dimensions 4.5 × 12.4 × 6.3 in (115 × 317 × 160 mm)

 

 

Information About 1771-WN

The 1771-WN is a wiring arm developed for Allen-Bradley 1771 Series I/O modules, offering a structured interface for connecting field devices to PLC-5 systems. Its 40-terminal layout supports up to 32 input or output points, helping maintain clean, organized wiring within control panels. Built with durable industrial-grade materials and tin-plated contacts, the wiring arm provides long-term connection reliability under demanding operating conditions. Designed for quick installation and module replacement, the 1771-WN helps reduce maintenance time and improve operational efficiency in automation environments.

Key Features

  • 32 I/O Support: accommodates up to 32 digital input or output signals for PLC-5 modules.
  • 40-Terminal Wiring Interface: provides organized, clearly arranged screw terminals for secure field wiring connections.
  • Tin Contact Plating: enhances conductivity and protects connection points from corrosion in industrial environments.
  • Rated Screw Torque: supports 7–9 lb*in torque for stable and secure terminal tightening.
  • Conformal Coating: offers additional protection against dust, humidity, and environmental contaminants.
  • No External Power Required: operates entirely through the attached 1771 module without additional power input.
  • Suitable for Industrial DC Applications: supports 10–32 VDC digital signal wiring across automation systems.
  • Reduced Maintenance Time: allows quick module replacement without rewiring the field connections.

The 1771-WN delivers the reliability and precision required for structured, long-lasting wiring connections in Allen-Bradley PLC-5 control systems.

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