ModbusMechanic

Free Open Source Modbus swiss army knife.

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Master simulator

Quickly read a specific register from a Modbus device. Not sure of the byte or word order? Byte and word swap on the fly.

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Slave simulator

Simulate a slave device and manupulate data in real time. Supports float and int data types. No more calculations in Excel and calculator to determine hex values.

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RTU Scanner

Not sure of an RTU node's address? Want to see active nodes on the network? RTU scanner provides a fast visual representation of active nodes.

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  • Free to use

    Built on top of Open Source libraries. Free to use modify and distribute.

  • Platform agnostic

    ModbusMechanic runs on any platform that runs java. Tested on Linux, MacOS and Windows.

  • Built for speed

    Built with a slim codebase for a limited memory footprint. No extra drivers necessary.

  • Fast node scanner

    Find active slave nodes quickly with the node scanner. Scan an entire RTU network in as little as 3 seconds.

  • RTU Bus Monitor

    Observe RTU packets in human readable form to troubleshoot device communications.

  • RTU to TCP gateway

    Gateway function allows RTU devices to be exposed on a TCP network.

Download Java and ModbusMechanic and start troubleshooting.

Download Java
Download ModbusMechanic