ADH400 communication management machine is a new industrial data acquisition and forwarding equipment, is a set of communication interface server, protocol processing in one of the intelligent equipment. As the Internet of Things access gateway, protocol gateway, protocol converter and other products, support a variety of communication links, such as :RS485, CAN, Ethernet, SPI(optional); Support to collect a variety of industrial equipment protocols in industrial sites, and provide data distribution services to other systems or equipment with a variety of industrial equipment protocols, such as :Modbu, PLC, CANOpen; With advanced data synchronization, data alarm and other functions, with a system voltage acquisition channel (optional).