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Comtrol’s DeviceMaster UP with Modbus Router Firmware Provide Advanced Modbus Connectivity

MINNEAPOLIS,Minnesota — April 21, 2011—Comtrol Corporation, a leading manufacturer of industrial device connectivity products, today announced Modbus Router, the latest firmware application for the DeviceMaster UP Industrial Gateway family of products. The Modbus Router firmware was developed to provide network-wide Modbus connectivity between a wide variety of Modbus masters and local and remote Modbus slaves. With simplified configuration and advanced routing, Modbus Router provides a highly flexible and easy-to-use connectivity solution.

Modbus Router provides functionality that:

  • Simultaneously connects up to 123 Modbus masters to as many as 255 Modbus slave device(s)
  • Automatically detects local slave devices and routes messages
  • Connects serial Modbus masters to Modbus/TCP networks and remote Modbus slave devices
  • Automatically converts Modbus protocols, such as Modbus/TCP to Modbus RTU/ASCII
  • Delivers advanced diagnostics and status pages that enhance maintenance and problem solving capabilities
  • Quickly and easily solves common Modbus problems such as relocating devices or connecting additional Modbus masters to an existing installation

“Modbus Router on Comtrol’s DeviceMaster UP has already proven to be the perfect solution for a wide variety of industries and applications. Industrial automation, food & beverage, wind energy, pipelines and oil platforms – Modbus Router is providing the Modbus connectivity that customer’s need.” says Bradford Beale, President of Comtrol. “Our customers have found the simplified configuration pages and diagnostics information to be especially helpful. Modbus Router provides them all the tools they need for their Modbus environments.”

Modbus Router can provide the solution for many projects involving PLCs, SCADA systems, HMIs, and OPC servers that require simple or complex Modbus connectivity. For more information about Modbus Router and other Modbus applications, please visit­ Comtrol’s Modbus Solutions web page.

About Comtrol Corporation

Comtrol Corporation is an expert network advisor in device connectivity, industrial Ethernet gateways, and intelligent embedded device connectivity products for a wide range of enterprise, industrial, security, power utility, oil, and traffic automation applications. The company’s RocketPort multi‐port serial card, DeviceMaster Ethernet device server, and RocketLinx industrial grade Ethernet and Power over Ethernet switch product lines are sold through regional, national and international distributors and by thousands of resellers and integrators worldwide. For more information, contact Comtrol Corporation at 800‐926‐6876 or visit

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