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description: "Instructions on how to connect your SMA Inverter to Home Assistant."
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date: 2015-12-28 21:45
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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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ha_category:
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logo: sma.png
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ha_iot_class: "Cloud Polling"
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ha_release: 0.36
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---
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The `sma` sensor will poll a SMA solar inverter and present the values as sensors (or attributes of sensors) in Home Assistant.
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To enable this sensor, add the following lines to your `configuration.yaml` file:
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```yaml
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# Example configuration.yaml entry
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sensor:
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- platform: sma
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ip:
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password: !secret sma_password
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sensors:
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- CURRENT_POWER:
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- CURRENT_CONSUMPTION: [TOTAL_CONSUMPTION]
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keys:
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-
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```
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Configuration variables:
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- **ip** (*Required*): The IP address of the SMA WebConnect module.
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- **password** (*Required*): The password of the SMA WebConnect module.
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- **group** (*Optional*): The user group, which can be either `user` (the default) or `installer`.
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- **sensors** (*Required*): A list of sensors that will be added.
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- **keys** (*Optional*): A dictionary of `SENSOR_NAME: SENSOR_KEY` values (e.g. `YESTERDAY_CONSUMPTION_KWH: "6400_00543A01"`). These sesnors will be added to the standard ones in the [pysma library](https://github.com/kellerza/pysma/blob/master/pysma/__init__.py#L18)
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Sensor configuration:
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The sensors can be any one of the following:
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- current_power
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- current_consumption
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- total_power
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- total_consumption
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You can also create composite sensors, where the sub-sensors will be attributes of the main sensor, e.g.
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