Product features:1.High precision, high stability, high reliability, low power consumption, strong anti-interference, support 0-10V, 4-20mA, 0-5V, RS485, Modbus-RTU, Modbus-TCP, Profibus DP, DeviceNet and other multiple signal input; 2.With 4 RS485 communication ports, multiple units can be connected in parallel to improve system reliability and meet the needs of different users; 3.Support multiple input channels and multiple output types; 4.Support free combination of I/O points and flexible configuration; 5.Support Modbus-RTU, Modbus-TCP, Profibus DP, DeviceNet and other protocols.