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67 lines
2.3 KiB
Markdown
67 lines
2.3 KiB
Markdown
---
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layout: page
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title: "KNX Binary Sensor"
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description: "Instructions on how to setup the KNX binary sensors within Home Assistant."
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date: 2016-07-13 07:00
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sidebar: true
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comments: false
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sharing: true
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footer: true
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logo: knx.png
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ha_category: Binary Sensor
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ha_release: 0.24
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ha_iot_class: "Local Polling"
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---
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The `knx` sensor platform allows you to monitor [KNX](http://www.knx.org) binary sensors.
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## {% linkable_title Configuration %}
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The `knx` component must be configured correctly, see [KNX Component](/components/knx).
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```yaml
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# Example configuration.yaml entry
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binary_sensor:
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- platform: knx
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address: '6/0/2'
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```
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Configuration variables:
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- **address** (*Required*): KNX group address of the binary sensor.
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- **name** (*Optional*): A name for this device used within Home Assistant.
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- **device_class** (*Optional*): HASS device class e.g., "motion".
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- **significant_bit** (*Optional*): Specify which significant bit of the KNX value should be used. Default is 1.
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- **reset_after** (*Optional*): Reset back to OFF state after specified milliseconds.
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You can also attach actions to binary sensors (e.g., to switch on a light when a switch was pressed). In this example, one light is switched on when the button was pressed once and two others when the button was pressed a second time.
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```yaml
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# Example configuration.yaml entry
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binary_sensor:
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- platform: knx
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name: Livingroom.3Switch3
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address: '5/0/26'
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automation:
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- counter: 1
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hook: 'on'
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action:
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- entity_id: light.hue_color_lamp_1
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service: homeassistant.turn_on
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- counter: 2
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hook: 'on'
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action:
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- entity_id: light.hue_bloom_1
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service: homeassistant.turn_on
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- entity_id: light.hue_bloom_2
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service: homeassistant.turn_on
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```
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Configuration variables:
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- **name** (*Optional*): A name for this device used within Home Assistant.
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- **counter** (*Optional*): Set to 2 if your only want the action to be executed if the button was pressed twice. To 3 for three times button pressed. Defaults to 1.
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- **hook** (Optional): Indicates if the automation should be executed on what state of the binary sensor. Values: "on" or "off". Defaults to "on".
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- **action**: Specify a list of actions analog to the [automation rules](/docs/automation/action/).
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