DESCRIPTION

8-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, With Various Isolation And Protection Circuits, Industrial Grade Rail-Mount Case
8-Ch Ethernet Relay Module

Ethernet Port Communication, Modbus Protocol, PoE Power Supply

 
Features At A Glance

This product is an industrial 8-ch relay module controlled via Ethernet port, adopts Modbus RTU/Modbus TCP protocols, supports PoE power supply, also comes with an ABS rail-mount case.

The Modbus POE ETH Relay 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.

  • Features flash-on, flash-off function, by passing argument 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
  • Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection
  • High-quality relay, contact rating: ≤10A 250VAC/30VDC
  • Rail-mounted ABS case, easy to install, safe to use
  • 4 LEDs and Network indicators for indicating the MCU status and signal transceiving status
Specifications
POWER SUPPLYPoE port, DC 5.5*2.1 power port, or Screw terminal (7~36V)
COMMUNICATION INTERFACEPoE port, IEEE 802.3af compliant
RELAY CHANNELS8
CONTACT FORM1NO 1NC
CONTACT RATING≤10A 250VAC/30VDC
MODBUS PROTOCOLModbus RTU Protocol or Modbus TCP Protocol
LED INDICATORSRUN: Ethernet port indicator, blinking in 2-second cycles when Ethernet port normally working
STA: MCU indicator, blinking when the MCU normally working
TXD: TX indicator, lights up when sending data
RXD: RX indicator, lights up when receiving data

Basic Function

Supports Sending Modbus RTU/TCP Protocol Commands Via Ethernet Port To Control Relay And Various Devices

Supports Multiple Communication Modes, Adopts Modbus Protocol

Supports TCP Server / TCP Client / UDP Mode / UDP Multicast / HTTP / MQTT
Supports Modbus RTU Protocol/Modbus TCP Protocol

Multi Configuration Methods

Supports Software And Web Browser Configuration, Obtaining Dynamic IP Via DHCP, Connecting To Domain Name Server Via DNS Protocol

Multi Power Supply Options, Wide Range Power Input

DC Power Port: Directly Uses A Power Plug For Power Supply;
Screw Terminal: DC 7~36V Wide Range Power Input; PoE Port: IEEE 802.3af PoE Compliant

* The external power supply adapter is NOT included by default, it is recommended to purchase 12V power supply if you need it.
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
Directly Controlling 220VAC Home Appliances, Or Devices Below 30VDC

Rail-Mount Case Design

Rail-Mounted ABS Protective Enclosure, Easy To Install, Safe To Use

Application Scenarios

Smart Home Solutions

Control The On/Off Operation Of Household Devices Such As Air Conditioners, Routers, Lighting, Computers, And Door Curtain Motors, Etc.

 

Smart Agriculture Solutions

Control The On/Off Operation Of Agricultural Equipments Such As Solenoid Valves, Motors, Water Pumps, Etc.

Product Show
Outline Dimensions
Resources & Services
Wiki: www.waveshare.com/wiki/Modbus_POE_ETH_Relay
Selection Guide
PRODUCTMODBUS POE ETH RELAYMODBUS RTU RELAYMODBUS RTU RELAY 16CH
 
COMMUNICATION PARAMETERS
Communication interfaceEthernet port (PoE support)RS485 port
Baud rate-4800，9600，19200，38400，57600，115200，128000，256000 (configurable)
Default communication format-9600, N, 8, 1
Communications protocolTCP/UDP/MQTTRS485 protocol
Modbus protocolModbus RTU Protocol or Modbus TCP ProtocolModbus RTU Protocol
Device addressUnconfigurable, identify the devices by IP address1~255 (configurable, supports cascading multiple devices)
CONTROL INTERFACE
Output control (DO)8-ch relay8-ch relay16-ch relay
Contact form1NO 1NC
Contact rating≤10A 250VAC/30VDC
OTHERS
Power SupplyPoE port, DC 5.5*2.1 power port, or screw terminalDC 5.5*2.1 power port, or screw terminal
Power range7~36V wide range5V
Dimensions145×90×40mm200×110×60mm
InstallationStandard DIN 35mm rail mounting, wall mounting

PACKAGE CONTENT

Weight: 0.251 kg

This product supports PoE for power supply and the external power supply adapter is NOT included by default, it is recommended to purchase 12V power supply if you need it.
  1. Modbus POE ETH Relay x1
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