Allen-Bradley 1771-WC PLC-5 Wiring Arm Module
$123.00
$320.00
Description
Overview
The 1771-WC field wiring arm is an interface accessory developed for Allen-Bradley Bulletin 1771 PLC-5 systems. It is specifically designed to connect with compatible low-current and TTL-based I/O modules, including the 1771-OFE analog output module.
This wiring arm provides a secure field termination point while simplifying module replacement and maintenance procedures inside PLC racks. The unit incorporates gold-plated terminal contacts to improve electrical reliability in sensitive signal applications. Its conformal-coated construction offers additional resistance against humidity, airborne contaminants, and corrosive industrial conditions.
Key Features
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Designed for Allen-Bradley PLC-5 and Bulletin 1771 systems
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Compatible with 1771-OFE analog output modules
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Supports TTL and low-current I/O applications
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10-terminal field wiring configuration
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Gold-plated contacts for improved conductivity
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Swing-arm style wiring interface for simplified servicing
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Conformal-coated housing for environmental protection
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No separate external power source required
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Supports up to 8 I/O points
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Model Number | 1771-WC |
| Product Family | PLC-5 |
| Bulletin Series | 1771 |
| Product Type | Field Wiring Arm |
| Supported I/O Capacity | 8 I/O |
| Terminal Quantity | 10 Terminals |
| Contact Finish | Gold-Plated |
| Wiring Arm Style | Swing Arm |
| Typical Application | TTL and Low-Current Signals |
| Protective Coating | Conformal Coating |
| External Power Requirement | None |
| Recommended Screw Torque | 7–9 lb-in |
| Typical AC Off Delay | 29 ms ±8 ms |
| Typical DC Off Delay | 30 ms ±7 ms |
| Weight | 0.15 lb |
Application Information
The 1771-WC is commonly installed in PLC systems requiring stable low-level signal transmission and analog output connectivity. Typical application environments include:
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Analog output interface systems
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TTL signal processing applications
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Manufacturing automation panels
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Process control systems
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Motion and positioning control equipment
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PLC retrofit and maintenance projects
Its removable swing-arm configuration allows wiring to remain in place during module replacement, reducing maintenance time and minimizing wiring errors.
Compatibility
The 1771-WC field wiring arm is intended for use with compatible Allen-Bradley Bulletin 1771 analog and low-current modules, particularly the 1771-OFE analog output module. Verification of rack and module compatibility is recommended before installation.
FAQ
What modules are compatible with the 1771-WC?
The wiring arm is commonly used with the Allen-Bradley 1771-OFE analog output module and other compatible low-current PLC-5 I/O modules.
Why are gold-plated contacts used in this model?
Gold-plated terminals improve conductivity and help prevent oxidation, which is important in low-current and TTL-level signal applications.
Does the module require an external power source?
No. The 1771-WC operates without a dedicated external power supply.
What is the advantage of the swing-arm design?
The swing-arm configuration allows easier access during maintenance and supports faster module replacement without disconnecting all field wiring.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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