Modbus Slave Simulator 4.4 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. Modbus Simulator.exe, modbusslave.exe and Modbus_Sim.exe are the most frequent filenames for this program's installer.
The following versions: 4.4 and 1.0 are the most frequently downloaded ones by the program users. The software is included in Internet & Network Tools. This tool was originally designed by ModbusTools. We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software.
From the developer:
Modbus Slave is for simulating up to 32 slave devices in 32 windows!. Speed up your PLC programming with this simulating tools. Start programming and test before you receive your slave device from supplier. Data contained with any open document is accessible to the master application. Same user interface as Modbus Poll. Support function 01, 02, 03, 04, 05, 06, 15, 16, 22 and 23.
Monitoring of serial traffic.
You may want to check out more software, such as Modbus Slave, Modbus Plant Simulator or Modbus Poll, which might be related to Modbus Slave Simulator.
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Simulation