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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 ProSoft MVI56-S3964R module provides a Siemens 3964R network interface for Allen-Bradley ControlLogix processors, enabling point-to-point communication with Siemens devices using the 3964R protocol. It features dual, independent RS-232/422 ports, performs BCC checksum verification, and integrates seamlessly into a ControlLogix chassis as an I/O module for fast data transfer via ladder logic. The module, which supports up to 512-byte data packets, includes example ladder programs, LED indicators, and acknowledgment telegrams for monitoring communication status, and ships with cables, an adapter, and a CD.
Technical specifications
The ProSoft MVI56-S3964R module allows Allen-Bradley ControlLogix processors to communicate with Siemens devices using the Siemens 3964R protocol. It features dual RS-232/422 ports, BCC checksum verification, and integrates into the ControlLogix chassis for fast data transfer. It supports up to 512-byte packets and includes example ladder logic, LEDs, acknowledgment telegrams, and comes with necessary accessories.
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