Product Description
The Allen-Bradley 1771-WH field wiring arm, designed for PLC-5 I/O modules, simplifies plant wiring connections with its 16 I/O points, 21 gold-plated terminals, thermoplastic construction, and conformal coating, while ensuring reliable signal integrity; it measures 4.5 x 12.4 x 6.3 inches and weighs 0.1 kg (0.2 lbs).
Is Your Device Showing These Signs?
The Allen Bradley 1771-WH I/O wiring arm commonly experiences issues such as corrosion on terminal blocks, leading to intermittent signal loss and communication failures within the PLC system. Technicians address broken or damaged housing, ensuring proper environmental protection and preventing short circuits. Field repairs include tightening terminal screws to eliminate loose connections, which cause erratic I/O behavior and system downtime. Replacement of the 1771-WH is necessary when physical damage is extensive or internal components degrade, affecting overall system reliability and performance.
Technical specifications
The Allen-Bradley 1771-WH field wiring arm simplifies plant wiring for PLC-5 I/O modules. It features 16 I/O points, 21 gold-plated terminals, thermoplastic construction, conformal coating, and compact dimensions (4.5 x 12.4 x 6.3 inches) and light weight (0.1 kg), ensuring reliable signal integrity.
Our Repair Process for the
1771-WH
Our repair process for the Allen Bradley 1771-WH I/O wiring arm begins with a thorough inspection to identify corrosion on terminal blocks, housing damage, and loose connections. Technicians meticulously clean corroded terminal blocks to ensure optimal signal transmission and restore proper communication within the PLC system. Damaged housings are repaired or replaced to guarantee environmental protection and prevent short circuits. All terminal screws are tightened to eliminate loose connections, thereby stabilizing I/O behavior and minimizing system downtime. In cases of extensive physical damage or internal component degradation, the entire 1771-WH unit is replaced to maintain overall system reliability and performance.
Your Guarantee: Warranty & Lifetime Support
Your satisfaction is our top priority, and we confidently stand behind the quality of our repairs. That's why every repair service is covered by our comprehensive 24-month warranty. Furthermore, we offer lifetime phone support – if you have questions or need assistance related to our repair down the road, we're here to help. Our service commitment is straightforward: we guarantee our work, and if you're not satisfied, we will make it right. Learn More about our Repair process.
Comprehensive Repairs You Can Depend On
We take immense pride in the quality and reliability of our work. Our process goes beyond simply fixing the immediate problem. We perform a comprehensive inspection of your main board (or other equipment) and proactively replace components known to be failure-prone or showing signs of potential future failure. Before any item is returned, it undergoes rigorous functional testing to ensure it meets performance specifications and operates flawlessly. Visit our main Repair Services page to learn more.
Save Significantly
Our primary goal is to save you hundreds, or even thousands, of dollars compared to the cost of new equipment replacement. By repairing existing components, we provide an economical solution that is also eco-friendly. At Roc Industrial, our commitment to integrity and community drives our consistent growth and ensures you receive a reliable, cost-effective solution.

Please Note: Roc Industrial operates as an independent service provider and is not an authorized distributor for the manufacturers or brands mentioned. Consequently, the original manufacturer's warranty is not applicable to items repaired or sold by us. Roc Industrial provides its own 2-year warranty on all repair services performed.

















