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Update Knx switch component configuration variable (#6896)
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@ -29,11 +29,21 @@ switch:
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address: '1/1/6'
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```
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Configuration variables:
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* **address** (*Required*): KNX group address for switching the switch on/off.
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* **name** (*Optional*): A name for this device used within Home Assistant.
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* **state_address** (*Optional*): separate KNX group address for retrieving the switch state.
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{% configuration %}
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address:
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description: KNX group address for switching the switch on/off.
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required: true
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type: string
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name:
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description: A name for this device used within Home Assistant.
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required: false
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default: KNX Switch
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type: string
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state_address:
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description: Separate KNX group address for retrieving the switch state.
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required: false
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type: string
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{% endconfiguration %}
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Some KNX devices can change their state internally without any messages on the KNX bus, e.g., if you configure a timer on a channel. The optional `state_address` can be used to inform Home Assistant about these state changes. If a KNX message is seen on the bus addressed to the given state address, this will overwrite the state of the switch object.
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For switching actuators that are only controlled by a single group address and can't change their state internally, you don't have to configure the state address.
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