Unslave is a software tool that allows you to easily simulate any number of Modbus RTU or Modbus TCP devices.
In addition, Unslave cleanly displays and logs all requests, which makes debugging Modbus networks a breeze.Download Now
Add any number virtual Modbus slaves, registers and even simulate Modbus exceptions by editing a simple JSON file.
Alternatively, you can use the HTTP API provided by Unslave to update configuration at runtimeDownload Now
Download and use Unslave for free, forever.
Download, unzip and you are ready to go.
Simulate any Modbus network you can imagine. HTTP API support.
The configuration process only takes a few seconds.
A download link will be sent to you immediately. No payment required. Don't worry - we do not spam.