Industrial Modbus RS485 Bus 8-channel RTU Relay Module with Protection Circuits

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€55,25 €44,20

The Industrial Modbus 8-channel RS485 Bus RTU Relay Module has been designed to work with a variety of industrial control applications, especially the applications for which high communication is needed. The Modbus RS485 Bus 8-ch RTU Relay Module comes with multiple embedded protection circuits which include power isolation, ADI magnetic isolation, and TVS diode, etc. The Industrial Modbus RTU Relay Module features a reliable protective cover made of ABS plastic. It is a reliable, stable, and safe Relay Module that has been designed as per the requirements of highly demanding applications.  

Features of Industrial Modbus RS485 Bus 8-channel RTU Relay Module

  • RS485 Bus supports cascading of multiple devices
  • Configurable device address – 1~255
  • Flash-On and Flash-Off functions via Argument to Command | The relay is capable of turning itself OFF when not in use
  • Reverse-Proof Circuit | protection from accidental damage in the case of reverse or incorrect connection
  • On-board Optocoupler Isolation | protecting of the relay from high current/voltage interfaces
  • On-board Transient Voltage Suppressor (TVR) | Lightning-proof, anti-electrostatic | suppresses surge voltage and transient spike
  • On-board Unibody ADI Magnetic Isolation | strong and reliable anti-interference | signal isolation | less power consumption
  • On-board Unibody Power Supply Isolation | no need for extra power supply | stably isolated voltage
  • 3x LEDs for MCU and Signal Transceiving
  • Relay Contact Rating: ≤10A 250VAC/30VDC
  • ABS Plastic Enclosure | Reliable and Safe | Rail-Mounted

Specifications of Industrial Modbus RS485 Bus 8-channel RTU Relay Module

  • Compatible Power Supply: Designed to work with a 5V Power Supply
  • RS485 Bus Communication Interface
  • 1~255 RS485 Address (Configurable)
  • Default Communication Format: 9600, N, 1
  • Number of Channels: 8 Relay Channels
  • Baudrate: 4800, 9600, 19200, 38400, 57500, 115200, 128000, 256000
  • 1NO 1NC Contact Form
  • Modbus RTU Standard Communication Protocol
  • RS485 Bus Terminal Protection: 600W lightning-Proof and Surge-Suppress | 15KV ESD Protection | 120R Reserved Balancing Resistor (Solder Pads)
  • TX LED Indicator: TXD – turns on when data is being sent out
  • RX LED indicator: RXD – turns on when data is being received
  • MCU LED indicator: STA – Flashes constantly when MCU is working

Applications of Industrial Modbus RS485 Bus 8-channel RTU Relay Module

  • Farming and Breeding: Feeding system, ventilation control, light control, water supply control
  • Intelligent agriculture: Control door curtain motor and air blower
  • Smart homes: Control purifiers, air conditioners, and water heaters
  • Industrial control: Unattended industrial control system, valve control, and pump station control

Weight and Dimensions

  • Weight: 0.344 kg | 344 grams
  • Dimensions: 14.5cm x 9cm x 4cm | 145mm x 90mm x 40mm

Items Included

  • 1x Industrial Modbus RS485 Bus 8-channel RTU Relay Module
  • 1x 5V/2A | 5.5/2.1 Power Adapter (US Plug)
  • 1x EU Power Adapter Head

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