Isolated safety barrier/One_in_out RS_485 full duplex input RS_485 half duplex output isolated safety barrier

General power distribution, this product needs independent power supply, power supply, input and output three isolation. Convert the RS-485 full duplex digital signal generated by the field instrument into RS-485 digital signal isolation and output to the safety zone, realize two-way communication between the dangerous zone and the safety zone, and provide the field instrument with isolated power supply.