Waveshare 4-Channel RS485 to RJ45 Ethernet Serial Server w/ Common Network Port

WaveshareSKU: RB-Wav-771
Manufacturer #: 4-CH RS485 TO ETH (B)

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Description

  • Waveshare 4-Channel RS485 to RJ45 Ethernet Serial Server with Common Network Port
  • Equipped with four independent RS485 channels and an Ethernet port
  • Features power isolation, signal isolation, and IEEE 802.3af-compliant PoE support
  • Supports multiple configuration methods and protection features
  • Housed in a durable, stylish aluminum alloy enclosure

The Waveshare 4-Channel RS485 to RJ45 Ethernet Serial Server w/ Common Network Port is a compact, multi-functional device that serves as a data acquirer or an Internet of Things (IoT) gateway. It is equipped with four channels of RS485 and an Ethernet port, with an optional Power over Ethernet (PoE) version. This device is ideal for various applications such as data acquisition, IoT gateway, safety and security IoT, and intelligent instrument monitoring.

Each of the four RS485 channels can operate independently, ensuring efficient data transmission without mutual interference. This device integrates several functions, including a serial server, Modbus gateway, MQTT gateway, and RS485 to JSON converter. It utilizes a screw terminal for stable power input and features a wall-mount and rail-mount case design for easy installation and rapid deployment.

Two versions of this product are available: one with a common network port and electrical isolation, and another with a PoE network port and electrical isolation. This device supports bi-directional transparent data transmission between RS485 and Ethernet, with a communication interface consisting of four RS485 ports and one Ethernet port. It also features power isolation, signal isolation, and compliance with IEEE 802.3af for PoE support.

Multiple configuration methods are supported, including web browser configuration, dynamic IP acquisition via DHCP, and DNS protocol-connected domain server address. The device also boasts multiple protection features, such as an onboard power supply and signal isolation, a built-in transient voltage suppression tube, a resettable fuse, and a protection diode.

It is housed in a durable aluminum alloy enclosure, treated with sandblasting and anodic oxidation for a solid, stylish finish.

  • 1x 4-CH RS485 TO ETH (B)
  • 1x Rail-mount buckle
  • 1x Screwdriver
  • 1x Screws Pack

  • 91 x 84.5 x 24.2 mm (L x W x H)
  • Product Type: Serial server, Modbus Gateway, MQTT Gateway
  • Basic Function: Bi-directional transparent data transmission between RS485 and Ethernet
  • Communication interface: RS485 port x4, Ethernet port x1
  • Power supply: DC 6 ~ 45V screw terminal
  • Isolation Protection: Power isolation, Signal isolation

Serial

  • Baudrate: 300 ~ 115200 bps
  • Parity Bit: none, odd, even, mark, space
  • Data Bit: 5 ~ 9 bits

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

Communication

  • Ethernet: RJ45 | 10 / 100M auto-negotiation RJ45 connector, 2 KV surge protection
  • Serial port: Isolated RS485 (the 4 channels can receive and transmit independently at the same time)

Other

  • Operating Temperature: -40 °C ~ 85 °C
  • Humidity Range°C5% ~ 95% relative humidity
  • Weight: 23 g

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