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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.


Product Description
The ABB 940-181-103 is a robust and reliable digital input/output module designed for industrial automation systems. This module provides 16 digital input channels and 16 digital output channels, each engineered for 24 V DC operation, ensuring seamless integration with a wide array of sensors, actuators, and control devices. The 940-181-103 features advanced diagnostics capabilities, including short-circuit and overload detection, which guarantees system uptime and simplifies troubleshooting. Its rugged construction and wide operating temperature range ensure dependable performance in harsh industrial environments. Installation is straightforward due to its compact design and standard DIN rail mounting. This module is an essential component for building efficient and dependable control systems.
Is Your Device Showing These Signs?
ABB 940-181-103, a critical component in industrial automation systems, frequently requires attention for issues such as resolver signal degradation, often stemming from wiring harness failures or resolver malfunction. Encoder feedback problems, including quadrature signal errors or complete signal loss, necessitate thorough inspection of the encoder and associated cabling. Power supply fluctuations, indicated by erratic voltage readings, demand immediate power supply replacement to prevent system instability. Communication failures, particularly with serial communication protocols like RS-485, require evaluation of the communication interface and cable integrity. Finally, memory corruption within the module leads to program errors and system crashes, mandating memory module replacement or firmware reflashing.
Technical specifications
The ABB 940-181-103 is a robust, high-performance AC drive designed for precise motor control in demanding industrial applications. This drive features advanced sensorless vector control, delivering exceptional torque and speed regulation across a wide range of motor types and operating conditions. It incorporates comprehensive protection functions, including overcurrent, overvoltage, and thermal overload protection, ensuring reliable operation and minimizing downtime. The 940-181-103 supports multiple communication protocols, facilitating seamless integration with existing automation systems. Configuration and monitoring are achieved through an intuitive interface, simplifying commissioning and maintenance. This drive is engineered for extended service life in harsh environments, providing a cost-effective and dependable solution for motor control needs.
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.
Buying Options
To receive a quote within 2 hours, please provide us with the details of your requirements. Our team will promptly review your request and send you a custom offer.

Ships from Rochester, NY