Modbus Workbench icon
Modbus Workbench icon

Modbus Workbench

Free offline desktop tool for Modbus RTU and TCP testing, provides live polling, direct writing, raw traffic logging with export options, and a built-in slave simulator. Supports multiple languages, multi-platform use, and parallel device monitoring.

A free Modbus RTU/TCP master with polling, writes, a traffic log and a built-in slave simulator.

Cost / License

  • Free
  • Open Source (MIT)

Platforms

  • Windows
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traffic
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Features

  1.  Dark Mode
  2.  Portable
  3.  Multiple languages
  4.  Serial-port
  5.  Modbus

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GitHub repository

  •  1 Stars
  •  0 Forks
  •  0 Open Issues
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Modbus Workbench was added to AlternativeTo by K_Haku on and this page was last updated .
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What is Modbus Workbench?

Modbus Workbench is a free desktop tool for commissioning and diagnosing devices. It polls FC01–04 across multiple tabs at different intervals and writes with FC05/06/15/16 directly from the grid.

It records raw TX/RX frames with timestamps and saves them in .txt format, useful for diagnosing unresponsive devices. It includes a slave simulator for testing without hardware, over Modbus TCP or an RTU COM port.

It operates offline, is open-source under the MIT License, and available in English, Korean, Japanese, German, and Simplified Chinese.