USR-W630 Industrial Serial to WIFI and Ethernet Converter supports two ethernet ports, modbus RTU – USRIOT

2 Ethernet ports Serial To WiFi and Ethernet Converter USR-W630, which can realize bidirectional transparent transmission between RS232/RS485 and WIFI, WiFi and Ethernet, Serial and Ethernet.

  • Two Ethernet ports, WAN /LAN Port
  • Supports Modbus RTU to TCP, Modbus Polling
  • Hardware watchdog to keep working stable
  • DC adapter and terminal power supply 5-36 V
  • Serial to WIFI or WIFi to Ethernet

Product Description

Industrial Serial To WiFi and Ethernet Converter
2 Ethernet ports Serial To WiFi and Ethernet Converter USR-W630, which can realize bidirectional transparent transmission between RS232/RS485 and WIFI, WiFi and Ethernet, Serial and Ethernet. 


  • Two Ethernet ports: 1x LAN, 1x LAN/WAN. Two Ethernet ports (WAN and LAN) can be worked simultaneously
  • Modbus gateway: Modbus TCP to Modbus RTU in bi-directional; Modbus Polling
  • Electrostatic protection
  • Hardware WatchDog, 24 hours stable operation.
  • Timeout reset function, timing reset function.
  • Supports identity packet function.
  • Supports heartbeat packet function.
  • Websocket function
  • Supports Web Server, setup software, serial/network AT command to configure module.
  • Hardware reload.
  • WIFI Standard: 2.4GHz 802.11b/g/n
  • Work Mode:TCP Server/TCP Client/UDP Server/UDP Client/HTTP Client mode.
  • Supports AP, STA, AP+STA.
  • Supports usrlink.
  • EFT: Passed EFT test, when there is instantaneous high current in the circuit (such as lightning, power switch, etc.), it can ensure that the device hardware is not damaged. Power: 2KV, Ethernet interface 232 485: 2KV

Special Features

Modbus Polling Mode

In this mode, it supports Modbus TCP and Modbus RTU mutual conversion.

Heartbeat Packet Function

USR-W630 supports network heartbeat packet and serial heartbeat packet. The network heartbeat packet notifies the server that it is in an active state, and it maintains the normal connection with the server by continuously sending the heartbeat packet.Serial port heartbeat packet notifies the serial device that USR-W630 is in an active state, and takes the initiative to grab the sensor data can not be initiative to push.

Socket Distribution Protocol

USR-W630 suppports SDP, you can add certain header in serial data. It will send the data to differetnt socket by different header. The data received from different socket will be added different header before they are sent to serial.

Regular Restart Function

USR-W610 supports timing and timeout restart function, which makes the system run more stable.


Smart Argriculture

  • Monitoring the situation in the greenhouse,such as utilization rate about water resources, fertilizers and so on.
  • To obtain farmland information and monitor sudden natural disasters.
  • Fully automated operation without human intervention, achieving the precise control of agriculture.

Industrial Detection

  • According to the site environment to choose WiFi or wired networking.
  • Real-time detection of air leakage products mixed in bottle buckles.
  • High sensitivity transmission monitoring data, the accurate data can ensure that monitoring without omission

Distribution box


Port Number

2 ethernet ports: 1 x WAN, 1 x WAN/LAN


Rx/TX: Max 16K bytes

Network Protocol IP/TCP/UDP/DHCP/DNS/HTTP/ ARP/ICMP/Web socket/Httpd client

2 KV Electromagnetic isolation for Ethernet port

Speed Rate

10/100 Mbps, MDI/MDIX




802.11 b/g/n

Frequency Range


Receive Sensitivity
802.11b: -89dBm
802.11g: -81dBm
802.11n: -73dBm
Interface StandardRS232:300~460.8Kbps
Input Voltage


Operating Temp


Storage Temp




Network Mode






Work Mode

Transparent transmission / serial AT command/
HTTP Client、Modbus TCP<=>Modbus RTU
HTTP Client/Modbus TCP<=>Modbus RTU
Setting CommandAT+ command

Networking Protocol


Max Client Numberin TCP Server Mode



Web server+AT command

Warranty2 years