Features At A Glance 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 JSON, etc. The module features RS485 and Ethernet ports, uses screw terminals for power input, supports 9~24V wide range power supply. Rail-mount flame-retardant case design, small in size, easy to install. It is suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring... Specifications 1.OUTLINE Communication interface-----RS485, screw terminal, supports 32x slave devices Power supply------9 ~ 24V DC, screw terminal Dimensions-------L × W × H: 87 × 36 × 59 mm 2.COMMUNICATION Ethernet------10 / 100M auto-negotiation RJ45 connector, 2 KV surge protection Serial port------RS485 × 1: RXD, TXD, GND 3.SERIAL SPECIFICATION Baudrate------300 ~ 115200 bps Parity bit------none, odd, even, mark, space Data bit------5 ~ 9 bits Flow contro------lN/A 4.SOFTWARE Protocol------ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS Configuration------host, web browser, device management functions library Communication method------TCP/IP direct communication, VCOM Operating mode------TCP server, TCP client (coexisting with TCP server), UDP, UDP multicast 5.ENVIRONMENT REQUIREMENT Operating temperature------ -40? ~ 85? Storage temperature------ -45? ~ 165? Humidity range------ 5% ~ 95% relative humidity Package Content RS485 TO ETH (B) x1 Note Development Resources is provided , please contact us if you have any problem .