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Industrial Modbus RTU 8-ch Relay Module with RS485 Interface

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$35 USD
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Industrial Modbus RTU 8-ch(Channel) Relay Module with RS485 Interface Multi Isolation Protection Circuits with ABS Enclosure Up to 10A Contact Rating

8-channel Modbus RTU relay module with RS485, configurable device address, and multi-device RS485 cascading. Includes onboard isolation and adaptive relay control features. User insight notes configurable timing and control via commands

Highlights

  • RS485 multi-device support
  • configurable address 1–255
  • isolation-protected power and circuits

Pros

  • configurable device address (1~255)
  • RS485 bus compatibility for multi-device setups
  • onboard isolation and protection circuits
  • relay control with flash-on/flash-off function
  • auto-close after timed activation

Cons

  • customer insight mentions no explicit sentiment
  • limited user feedback available
  • rating shown from a single review

Best For

  • industrial automation
  • machine control relay expansion
  • remote I/O with RS485 network
  • cascaded multi-module installations
  • timed relay operations

Features

  • Configurable device address range 1–255 for flexible network setup
  • RS485 bus supports cascading multiple devices with status flash-on/off
  • Automatic relay control: turn on for a period, then auto-close
  • Onboard unibody power isolation provides stable isolated voltage
  • No external power needed for isolated terminal via onboard isolation

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