New adjust: Update period = 50ms Timeout (ms) = 100ms retries 2 test with Modbus read data: No response from slave 1 Enable Data Source and Data Points with 1 slave and work fine. Enable Data Source and Data Points with 2 or 3 slaves and i get the follow message: 'Data Source': com.serotonin.modbus4j.exception.ModbusTransportException: com.serotonin.messaging.TimeoutException: request=com.serotonin.modbus4j.serial.rtu.RtuMessageRequest@42ea05a3 get updated readings in 2 second changing retries = 0 sometimes with any munber of slave , when i set some data point, the message triggers again. get updated readings in 1 second In the slave, all routines are executed in 20ms.