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Waveshare

Waveshare Rail-Mount Serial Server RS485 to WiFi/Ethernet Converter Module, Modbus TCP/RTU & MQTT Protocol Gateway for Industrial IoT Applications - RS9771

Waveshare Rail-Mount Serial Server RS485 to WiFi/Ethernet Converter Module, Modbus TCP/RTU & MQTT Protocol Gateway for Industrial IoT Applications - RS9771

SKU:RS9771

Low stock: 6 left

Regular price Rs. 4,080.00
Sale price Rs. 4,080.00 Regular price
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Description:

Waveshare Rail-Mount Serial Server is a compact RS-485 to WiFi/Ethernet module designed for industrial data acquisition and IoT gateway applications. It supports multiple functions, including Modbus gateway, MQTT gateway, RS485 to HTTPD client, and serial-to-WiFi/Ethernet conversions. Featuring RS-485, WiFi, and Ethernet interfaces, it enables versatile connectivity options. The module offers 5–36V wide-range power input via screw terminals and comes in a V0 flame-retardant rail-mountable case. Ideal for IoT integration, smart instrumentation, security systems, and remote monitoring in industrial environments.

Specification:

Outline
Communication interface RS485, screw terminal
Power supply 5~36V DC, screw terminal
Case PC + ABS, V0 flame retardant grade
Dimensions L × W × H: 109.66 × 28 × 64.71 mm
Communication
Ethernet 10 / 100M auto-negotiation RJ45 connector
WIFI 802.11b/g/n compliant
Serial port RS485 interface (Anti-surge, Lightningproof, Over-current protection)
Wireless specification
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 specification
Baudrate 300 ~ 460800 bps
Parity bit none, odd, even, mark, space
Data bit 5 ~ 9 bits
Flow control N/A
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 requirement
Operating temperature -40℃ ~ 85℃
Storage temperature -45℃ ~ 125℃
Humidity range 5% ~ 95% relative humidity

Features:

  • Support 802.11b/g/n wireless standards.
  • Support WAVESHARE-link.
  • Support route and bridge modes.
  • Support RS485 to Wifi/ Ethernet communication.
  • Rich indicator LED: Power, link, RXD, TXD.
  • Wide voltage DC 5~36V, supports terminal power

Product Interface:

Useful Link:

Waveshare Rail-Mount Serial Server RS485 to WiFi/Ethernet Converter Module

Package Includes:

  • 1 x RS485 TO WIFI/ETH
  • 1 x Antenna