Official binary releases for MBSim, a freeware Modbus RTU/TCP slave simulator for PLC, HMI, SCADA, and industrial communication testing.
windows modbus plc hmi testing-tools freeware industrial-automation rs485 scada modbus-tcp modbus-rtu modbus-slave serial-communication fieldbus modbus-server automation-tools modbus-simulator modbus-tools mbsim modbus-testing
-
Updated
May 20, 2026