ModbusServer provides a Modbus TCP server (and RTU slave as of V3.0) for testing Modbus clients. It simulates a Modbus device with registers.
Main features:
- Modbus Error reply simulation.
- Up to 8 simultaneous client connections.
- RTU Slave for serial ports via USB-Serial converter.
v4.0
Apple Silicone and Big Sur compatible
Now working on port 502 on macOS 10.14 or later
Improved Dark Mode display
