| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Allen Bradley 1771-WN Field Wiring Arm
- Product Details
- FAQs
- Related
- Contact Us
- Packing & Delivery
- Product Ratings

Product Introduction
The Allen-Bradley 1771-WN Field Wiring Arm is a field wiring accessory developed for the Allen-Bradley 1771 PLC-5 I/O System. It provides a structured interface between PLC modules and external field devices, enabling efficient and organized wiring in industrial automation systems.
The wiring arm is designed with a 40-pin connection interface and 32 field wiring terminals, allowing reliable connection between PLC modules and external equipment such as sensors, switches, and actuators. Its design simplifies installation while ensuring secure electrical contact for stable signal transmission.
The 1771-WN is commonly used in industrial control cabinets, automation systems, and process control installations, where well-organized wiring and reliable connectivity are essential for maintaining system performance and simplifying maintenance tasks.
Product Specifications
| Parameter | Specification |
|---|---|
| Model | 1771-WN |
| Brand | Allen-Bradley |
| Module Type | Field Wiring Arm |
| Series | 1771 PLC-5 I/O Series |
| Connector Type | 40-Pin Interface |
| Number of Terminals | 32 |
| Installation Method | 1771 I/O Chassis Mount |
| Application Type | Field wiring interface for PLC modules |
| Dimensions | 100 × 25 × 80 mm |
| Weight | 0.23 kg |
Applications
• PLC module field wiring interface
Provides a reliable interface between PLC I/O modules and field devices, ensuring stable signal transmission.
• Industrial automation systems
Used to connect sensors, limit switches, actuators, and control devices to PLC racks.
• Process control installations
Facilitates wiring for systems managing valves, pumps, and monitoring instruments.
• Control cabinet wiring organization
Helps maintain structured and organized wiring layouts inside industrial control panels.
• System maintenance and troubleshooting
Simplifies identification of field wiring connections, making diagnostics and service tasks more efficient.
Advantages
• High-density terminal design
Provides 32 terminals to accommodate multiple field wiring connections.
• 40-pin interface compatibility
Ensures reliable integration with compatible 1771 PLC modules.
• Improved wiring organization
Centralizes field connections, reducing clutter and improving accessibility.
• Reliable industrial connectivity
Designed to maintain stable electrical connections in demanding automation environments.
• Simplified installation
Attaches directly to compatible PLC modules, reducing wiring complexity.
• Efficient maintenance support
Structured terminal layout allows faster troubleshooting and easier wiring modifications.
FAQ
-
What is the purpose of the 1771-WN field wiring arm?
It provides a structured interface for connecting PLC modules to field wiring devices. -
How many terminals are available on the module?
The wiring arm includes 32 terminals for field connections. -
What type of connector does the module use?
It uses a 40-pin connector interface for connection to compatible PLC modules. -
Which systems commonly use this wiring arm?
It is typically used in PLC-5 based industrial automation systems. -
What devices can be connected through this wiring arm?
Sensors, switches, actuators, and other field devices connected to PLC I/O modules. -
How does it help improve control cabinet organization?
It groups field wiring connections into a single structured interface. -
Is the wiring arm compatible with other 1771 accessories?
Yes, it works with compatible PLC modules and accessories in the 1771 system. -
Can it support both digital and analog signals?
Yes, it can be used with different types of I/O modules depending on system configuration. -
Does the module include electrical protection components?
No, the wiring arm is designed for connectivity rather than circuit protection. -
How does it simplify system maintenance?
The clearly arranged terminals allow technicians to quickly locate and service wiring connections.
Related Models
| Model | Module Type | Terminals | Connector |
|---|---|---|---|
| 1771-WB | Field Wiring Arm | 12 | Standard PLC Interface |
| 1771-WC | Field Wiring Arm | 10 | Standard PLC Interface |
| 1771-WD | Field Wiring Arm | 12 | Standard PLC Interface |
| 1771-WF | Field Wiring Arm | 18 | I/O Connection Interface |
| 1771-WN/B | Field Wiring Arm | 32 | 40-Pin Interface |
| 1771-WN/C | Field Wiring Arm | 32 | 40-Pin Interface |
Popular Models
| Model | Product Type | Series | Application |
|---|---|---|---|
| 1771-WN | Field Wiring Arm | 1771 PLC-5 | High-density field wiring |
| 1771-WB | Field Wiring Arm | 1771 PLC-5 | Standard terminal wiring |
| 1771-WC | Field Wiring Arm | 1771 PLC-5 | 8 I/O wiring interface |
| 1771-WD | Field Wiring Arm | 1771 PLC-5 | Tin-plated terminal wiring |
| 1771-WF | Field Wiring Arm | 1771 PLC-5 | 8 I/O connection interface |
| 1771-WB/C | Field Wiring Arm | 1771 PLC-5 | Expanded terminal wiring |
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Excellent PLC Co., Ltd. has a large number of brand new and original PLC and DCS spare parts, with more than 60 cooperative countries. All products are guaranteed for 1 year and delivered to you by high-quality express. We are committed to using the best products and the most favorable prices to meet the needs and friendship of our customers. We have won the trust of thousands of customers, including these excellent customers.
As for the delivery time, when we receive your order requirements, we will arrange for warehouse personnel to test and verify the products. After you place the order, we will send it to you within 24 hours.
Excellent PLC
