Modbus-Rtu 8 Channel Relay Module Modbus RTU 8 Switch Input RS485 Communication TTL
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Modbus-Rtu 8 Channel Relay Module Modbus RTU 8 Switch Input RS485 Communication TTL

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Key item features

  • 3. Communication interface: Supports RS485/TTL UART interface
  • 1. and stable 8-bit MCU on board: and MAX485 level conversion chip
  • 2. Communication protocol: Supports standard Modbus RTU protocol
  • 4. Communication baud rate: 4800/9600/19200, default 9600bps, supports power-off saving
  • 5. Optocoupler input signal range: DC3.3-30V (this input cannot be used for relay control)

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Current price is $16.83
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  • Free Holiday returns until Jan 31

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