home-assistant.io/source/components/modbus.markdown

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layout	title	description	date	sidebar	comments	sharing	footer
page	Modbus	Instructions how to integrate Modbus within Home Assistant.	2015-04-25 9:16	false	false	true	true

Modbus is a serial communication protocol to control PLCs. It currently supports sensors and switches which can be controlled over serial, TCP and UDP connections.

# Example configuration.yaml entry
modbus:
  type: serial
  method: rtu
  port: /dev/ttyUSB0
  baudrate: 9600
  stopbits: 1
  bytesize: 8
  parity: N

sensor:
  platform: modbus
  slave: 1
  registers:
    16:
      name: My integer sensor
        unit: C
    24:
      bits:
        0:
          name: My boolean sensor
        2:
          name: My other boolean sensor

switch:
  platform: modbus
  slave: 1
  registers:
    24:
      bits:
        0:
          name: My switch
        2:
          name: My other switch