Recent content by mokashiswapnil11

DCS to Modbus communication issues are often caused by timing and configuration mismatches. Things to check: - Response timeout on the DCS side - Modbus devices can be slow, especially over serial. Try increasing the timeout to 2-3 seconds. - Polling rate - too fast can overwhelm the slave...

For Modbus testing and simulation, here are a few tools that work well: - QModMaster (free, open-source) - good for basic master testing - modpoll (free CLI) - great for scripting automated tests - ModbusSimulator (modbussimulator.com) - combines master + slave with TCP/RTU/ASCII in one tool...