pystiebeleltron 0.2.5
Python API for interacting with the Stiebel Eltron ISG web gateway via Modbus for controlling integral ventilation units and heat pumps.
Requires Python: <4,>=3.10
Keywords: modbus, stiebel-eltron, tecalor

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# python-stiebel-eltron
Python API for interacting with the STIEBEL ELTRON ISG web gateway via modbus for controlling integral ventilation units and heat pumps.

This module is based on the STIEBEL ELTRON [modbus user manual](https://www.stiebel-eltron.ch/content/dam/ste/ch/de/downloads/kundenservice/smart-home/Modbus/Modbus%20Bedienungsanleitung.pdf), but is not official, developed, supported or endorsed by Stiebel Eltron GmbH & Co. KG. For questions and other inquiries, use the issue tracker in this repo please.

## Requirements
You need to have [Python](https://www.python.org) installed.

* STIEBEL ELTRON Internet-Service Gateway [ISG WEB](https://www.stiebel-eltron.com/en/home/products-solutions/renewables/controller_energymanagement/internet_servicegateway/isg_web.html) with enabled [modbus module](https://www.stiebel-eltron.ch/de/home/service/smart-home/modbus.html)
  * You can call the STIEBEL ELTRON support, if your ISG does not have the modbus module enabled. They upgraded mine for free.
* STIEBEL ELTRON heatpumpt (compatible). Successfully used devices:
  * LWZ504e
  * LWZ304
* Network connection to the ISG WEB

## Installation
The package is available in the [Python Package Index](https://pypi.python.org/).

```bash
    $ pip install pystiebeleltron
```

## Example usage of the module
The sample below shows how to use this Python module (api for wpm heat pumps).

```python
    import asyncio
    from pystiebeleltron.wpm import WpmStiebelEltronAPI, WpmSystemParametersRegisters

    async def main():
      api = WpmStiebelEltronAPI('IP_ADDRESS_ISG')
      await api.connect()

      await api.async_update()

      print("water comfort target temperature: {}".format(api.get_register_value(WpmSystemParametersRegisters.COMFORT_TEMPERATURE)))

      await api.close()

    asyncio.run(main())
```

## Example usage of the module
The sample below shows how to use this Python module (old api for lwz heat pumps).

```python
    from pystiebeleltron import pystiebeleltron as pyse
    from pymodbus.client.sync import ModbusTcpClient as ModbusClient

    client = ModbusClient(host='IP_ADDRESS_ISG', port=502, timeout=2)
    client.connect()

    unit = pyse.StiebelEltronAPI(client, 1)
    unit.update()

    print("get_target_temp: {}".format(unit.get_target_temp))

    client.close()
```

## License

``python-stiebel-eltron`` is licensed under MIT, for more details check LICENSE.