Modbus Slave Simulator
You can download Modbus Slave Simulator 4.4 from our software library for free. This program was originally designed by ModbusTools. Modbus Slave Simulator lies within Internet & Network Tools, more precisely Network Tools. The most popular version among Modbus Slave Simulator users is 4.4. Modbus_Sim.exe is the most frequent filename for this program's installer.
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.