waveshare RS485 to Ethernet Converter Industrial Serial Device Server TCP/IP to Serial Module Support Modbus Gateway, MQTT/JSON to Modbus, and TCP Server/TCP Client/UDP Mode/UDP Multicast

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!

• ★【Industrial Serial Server】RS485 to RJ45 Ethernet Module for bi-directional transparent data transmission between RS485 and Ethernet, with rail-mount flame-retardant case design, supports 9~24V wide range power supply
• ★【Support Modbus Gateway 】Suitable for Modbus gridding upgrade, can be used with 3D configuration software, Support MQTT/JSON to Modbus, more flexible conversion between different protocols
• ★【Multi communication modes】Supports TCP server / TCP client / UDP mode / UDP multicast
• ★【Support Multi Hosts Roll-polling】Different network devices will be identified and responsed respectively, no more crosstalk issue while communicating with multi network devices. User-defined heartbeat/registration packet, easy for cloud communication and device identification, support NTP protocol, getting network time info for serial output or data upload
• ★【Multi Configuration Methods】Supports Web browser configuration, obtaining dynamic IP via DHCP, DNS protocol connected domain server address