RIEVTECH STUDIO SOFTWARE MANUAL 1 Modbus_RTU § Modbus RTU series RS232 cable § Modbus RTU series RS485-2 cable § Modbus RTU series RS485-4 cable § Registers supported by RTU: 2 Modbus_ RTU _Extend Modbus RTU Extend § Modbus RTU Extend series RS232 cable 55 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