Features
This is a 2-ch RS485 device data acquisitor / IoT gateway designed for the industrial environment. Dual RS485 can work simultaneously without interfering with each other. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS485 to JSON, and network switch. The module features dual RS485 and dual Ethernet ports. The case with rail-mount support, is small in size, easy to install, and cost-effective. It is suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring...

Specifications

1. Product Type: Serial server, Modbus Gateway, MQTT Gateway
Basic Function: Bi-directional transparent data transmission between RS485 and Ethernet
Communication interface: RS485 port × 2, Ethernet port × 2
Power supply: DC 5.5 power port, 6 ~ 45V DC screw terminal
Isolation Protection: Power isolation, Signal isolation

2. Communication
RJ45 Ethernet: 10 / 100M auto-negotiation RJ45 connector, 2 KV surge protection
Serial Port: Isolated RS485 (the 2 channels can receive and transmit independently at the same time)

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℃
Humidity range : 5% ~ 95% relative humidity
Dimensions : L × W × H: 78.0 × 72.5 × 24.2 mm

Package Content
2-CH RS485 TO ETH (B) x1