There are some MODBUS/TCP slave implementations around in this world with a limitation to serve only one concurrent master. Multiple masters accessing such a slave implementation may cause all kind of havoc, from aborted TCP connections to packet loss and transmission errrors. Modbusmplex provides a way to work around such a limitation by multiplexing MODBUS/TCP connections from multiple masters into one MODBUS/TCP connection towards a single slave.
Modbusmplex is primarily developed under...