... RTU protocol 1000V DC-DC isolation KH701L 4Channels Analog Input Module4 channesl 4-20mA, 0-10mA, 0-5vdc, ... -DC inner isolation KH701T4 channels isolated thermocouple input moduleKH701L4channels isolated thermocouple input moduleHigh SafetySafeguider built-in to ensure system ... communicate with modern DCS, HMI, PLC etc intelligent equipment Input TypeKH701TDC Voltage: (0-5VDC, 1-5VDC), DC Current: ...