RS232/485 To WiFi/Ethernet Module (Modbus/MQTT Gateway)

WaveshareSKU: WAV-25222
Price:
Sale price £28.50
incl. VAT
excl. VAT
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Only 17 units left
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This serial server combines functions like a serial server, Modbus gateway, and MQTT gateway, and also enables serial port data to be converted to HTTPD Client. With interfaces for RS232, RS485, WiFi, and Ethernet, it supports various data transfer methods, including from serial port to WiFi and Ethernet to WiFi.

It includes multiple power supply interfaces, accepting a wide range of 6~36V, and has an optional PoE function. Its metal case allows for both wall-mount and rail-mount installations and its compact size makes it easy to install. It is ideal for data acquisition and serving as an IoT gateway in safety and security projects.

We also stock a PoE version here

Note: The power supply is NOT included, it is recommended to use this 12V Power Adapter

Features

  • RS232/485 to Network
  • Multi Transparent Transmission Modes
  • HTTPD/MQTT
  • Modbus Gateway
  • RJ45 Ethernet Port
  • Host/Webpage/Serial Configuration
  • Wall-Mount and Rail-Mount Support

Specifications

Power supply DC 6~36V
Power supply method DC 5.5 power port, screw terminal
Dimensions 
(L x W x H) 84.00 x 64.00 x 24.00mm
Communication
Ethernet 10 / 100M auto-negotiation RJ45 connector
WIFI 802.11b/g/n compliant
Serial port RS232 (ESD/EFT)
RS485 (ESD/EFT/surge protection)
Wireless Specifications
Frequency Band 2.412 ~ 2.484 GHz
Wireless network Station / AP / AP+Station Mode
Security mechanism WPA-PSK / WPA2-PSK
Encryption type TKIP / AES
Transmitting power 802.11b: +19dBm (Max.@11Mbps)
802.11g: +18dBm (Max.@54Mbps)
802.11n: +17dBm (Max.@HT20, MCS7); +17dBm (Max.@HT40, MCS7)
Receiving sensitivity 802.11b: -89dBm (@11Mbps)
802.11g: -81dBm (@54Mbps)
802.11n: -73dBm (@HT20, MCS7); -71dBm (@HT40, MCS7)
Serial Specifications
Baudrate 300 ~ 460800 bps
Parity bit None, odd, even, mark, space
Data bit 5 ~ 9 bits
Flow control RTS/CTS
Software
Protocol TCP / UDP / ARP / ICMP / DHCP / DNS / HTTP / MQTT
Configuration Host, web browser, serial AT command
Communication method TCP/IP direct communication, VCOM
Operating mode Transparent transmission, serial command, HTTPD Client, Modbus TCP to Modbus RTU
Environment Requirements
Operating temperature -40℃ ~ 85℃
Humidity range 5% ~ 95% relative humidity

Resources

Pinout

Package Contents

  1. 1x RS232/485 Serial Server
  2. 1x 2.4G WiFi antenna
  3. 1x Rail-mount buckle
  4. 1x Screwdriver
  5. 1x Screws pack

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