Overview
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 control : N/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 and Technical Support are provided, please feel free to contact us if you have any problem!