Introduction
S12 gateway is a small gateway device that can collect multiple communication protocols and upload data to the local monitoring system. Its supporting SmartHMl supports the configuration, monitoring or debugging of the attached devices. It is mainly used to collect data of intelligent measurement and control, power quality and electrical safety products, realize Modbus RTU or DL/T645 communication through RS485 for the down side, and realize Modbus TCP communication with the local monitoring system through Ethernet port for the up side.