Waveshare Dual Ethernet Ports 8-ch Relay Module (C), Modbus RTU Protocol, PoE Power Supply, With Various Isolation And Protection Circuits, Industrial Grade Rail-Mount Case

Waveshare Dual Ethernet Ports 8-ch Relay Module (C), Modbus RTU Protocol, PoE Power Supply, With Various Isolation And Protection Circuits, Industrial Grade Rail-Mount Case

This product is an 8-ch relay module designed for industrial environments, featuring dual Ethernet interfaces control and 8 digital inputs. It adopts Modbus RTU / Modbus TCP protocols, supports Ethernet port cascade and PoE power supply, also comes with an ABS rail-mount case.

The Modbus POE ETH Relay (C) is very easy to use. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipments and/or applications with high communication requirements.

User Manual / Datasheet / Example Codes Etc.

Features

• Dual Ethernet ports design, supports Ethernet port communication cascade and PoE power supply cascade
• Features flash-on, flash-off function, by passing arguments to the command, it is possible to turn on the relay for a while and then close it automatically
• Supports DC 7~36V wide range power input and PoE power supply
• Supports relay control through MQTT protocol, comes with Alibaba Cloud MQTT application demo
• Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit
• Adopts dedicated relay driver chip, with built-in flyback diode protection, for stronger and more stable driving ability
• Supports passive and active digital input, with bi-directional optocoupler isolation, built in debouncing algorithm. The relay supports digital input linkage control or toggle control
• Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection
• High quality relay, contact rating: ≤10A 250VAC/30VDC
• Rail-mounted ABS plastic enclosure, easy to install, safe to use
• 4 LEDs and Network indicators for indicating the MCU status and signal transceiving status

Specifications

• Power Supply: PoE network port, DC 5.5*2.1 power connector or terminal block (7~36V)
• Communication Interface: PoE network port, supports IEEE 802.3af standard
• Relay Channels: 8 Channels
• Contact Form: 1NO 1NC
• Contact Load: ≤10A 250V AC 或 ≤10A 30V DC
• Digital Input: 8DI, 5~36V, passive/active input (NPN or PNP), built-in bi-directional optocoupler
• Modbus Protocol: Modbus RTU protocol or Modbus TCP protocol

Package Includes

• 1x Modbus POE ETH Relay (C)

Primary function

Supports reading digital input by sending Modbus protocol commands via Ethernet for relay output control

Supports Multiple Communication Modes, Adopts Modbus Protocol

Supports TCP Server / TCP Client / UDP Mode / UDP Multicast / MQTT

Supports Modbus RTU / Modbus TCP protocols

Interfaces & Indicators

With Multiple LED Indicators, Easy To Monitor The Operating Status

Relay connection

Contact rating of the onboard relay up to 10A 250VAC/30VDC

Dimensions