8-ch Ethernet Relay Module (B) With Digital Input, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, With Various Isolation And Protection Circuits

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

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

User Manual / Datasheet / Example Codes Etc.

• 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
• 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 Ethernet Port, DC 5.5*2.1 Power Port Or Power Supply Screw Terminal (7~36V)
• Communication Interface: PoE Ethernet Port, Support IEEE 802.3af Standard
• Relay Channels: 8 Channels
• Touch Contact: 1NO, 1NC
• Touch Contact Load: ≤10A 250V AC  Or  ≤10A 30V DC
• Digital Input: 8DI, 5~36V, Passive Input/Active Input (NPN or PNP) - Built-in Bidirectional Optocoupler
• Modbus Protocol: Modbus RTU Protocol Or Modbus TCP Protocol

Package Includes 

• 1x Modbus POE ETH Relay (B)

Primary Function

Supports Reading Digital Input By Sending Modbus RTU Protocol Commands Via Ethernet For Relay Output Control

Supports Multiple Communication Modes, Adopts Modbus Protocol

Multi Power Supply Options, Wide Range Power Input

Digital Input

Supports Passive (Dry Contact) And Active (Wet Contact) Digital Input, With Bi-Directional Optocoupler Isolation

Interfaces & Indicators

• RUN: Ethernet port indicator, blinking 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
• ETHERNET PORT GREEN INDICATOR: Lights up when the connection is established
• ETHERNET PORT YELLOW INDICATOR: Data activity indicator, blinking when transmitting data

Relay Connection

Contact Rating Of The Onboard Relay Up To 10A 250VAC/30VDC

Directly Controlling 220VAC Home Appliances, Or Devices Below 30VDC

Dimensions