This is a RS485 device data acquisitor / IoT gateway designed for industrial environment. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS485 to HTTPD Client, etc. ^^With RS485, W-i-F--i and Ethernet ports, the module can realize functions such as serial to W-i-F--i, serial to Ethernet, Ethernet to W-i-F--i and so on. Using screw terminals for power input, it supports 5~36V wide range power supply.
^^Support Transparent Transmission Mode: Supports TCP Server / TCP Client / UDP Server / UDP Client.
Serial Command Mode: The user sends data to the server according to the protocol. Send data to different servers without restarting.
^^Support HTTPD Client Mode: After the user has set the HTTP header through AT commands or web page, the module can send data to the HTTP server, or obtain data from the HTTP server.
^^Modbus Gateway support: Support Modbus TCP and Modbus RTU interconversion mode.