RIEVTECH STUDIO SOFTWARE MANUAL § Registers supported by Modbus UDP: Modbus RTU Server - Serial port service § Modbus RTU Server series RS232 cable § Modbus RTU Server series RS485-2 cable § Modbus RTU Server series RS485-4 cable 58 Device Bit Address Word Address Format Notes System internal/external output node 0X1-65535 —— DDDDD System internal/external input node 1X1-65535 —— DDDDD Analog input data register —— 3X1-65535 DDDDD Data register —— 4X1-65535 DDDDD