KH702U RS485/RS232 to USB converter module High Safety, isolated,University Sampling rate: 0.5sec. Modubus Protocol KH702RRS232/RS485 to RS232 isolated ... based on standard MODBUS-RTU protocol, can easily communicate with modern DCS, HMI, PLC etc Intelligent equipment SpecificationTechnologyIdentify automatic ... -GNDRS-485 connection485A-485A, 485B-485B KH702U RS485/RS232 to USB Communication Converter