QModbusExplorer is a fork from QModMaster application. It is a free Qt-based implementation of a ModBus master application. A graphical user interface allows easy communication with ModBus RTU and TCP ...
KUKA not provide modbus TCP protocol, kukavarproxy only support 1 var request, it very slow. C3bridge support multi variables, But it not easy trans to different PLC's. They all based on CROSS3 ...