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waveshare 8-CH Modbus RTU Relay Module with RS485 Interface, Modbus RTU Protocol, 7~36V Power Supply, Multi Isolation Protection Circuits Such as Power Isolation, Magnetical Isolation, TVS Diode etc.

KWD 16
Brand
waveshare
Weight
241 g
All electronics ship with US style plugs. You may need a voltage converter or a plug adapter.
– 1 +

Special Features

  • Industrial Modbus RTU 8-ch Relay Module with RS485 interface, configurable device address (1~255), multi devices can be cascaded on RS485 bus; 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
  • RS485 8-ch Relay Module onboard unibody power supply isolation, unibody magnetical isolation, resettable fuse and TVS, Optocoupler isolation, Reverse-proof circuit etc. multi isolation protection circuits
  • Adopts dedicated relay driver chip, with built-in flyback diode protection, for stronger and more stable driving ability
  • High quality relay, contact rating: ≤10A 250VAC/30VDC
  • 3 LEDs for indicating the MCU status and signal transceiving status, rail-mounted ABS plastic enclosure, easy to install, safe to use

Description

Overview
Industrial Modbus RTU 8-ch Relay Module (B) with RS485 Interface, Modbus RTU Protocol, Multi Isolation Protection Circuits, 7~36V Power Supply, Safe & Stable & Reliable

Specifications
Power Supply: 7~36V
Communication Interface: RS485
Baudrate: 4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000
Default Communication Format: 9600, N, 8, 1
Relay Channels: 8
Contact Form: 1NO 1NC
contact Rating: ≤10A 250VAC/30VDC
Communication Protocol: Standard Modbus RTU protocol
RS485 Address: 1~255
LED Indicators:
STA: MCU indicator, keeps flashing when the MCU normally working
TXD: TX indicator, lights up when sending data
RXD: RX indicator, lights up when receiving data

Package Content
Modbus RTU Relay (B) x1

NOTE: Online Development Resources and Technical Support are provided, please feel free to contact us if you have any problem!

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