vitocal.json question about value_tamplating for Home Assistent

[lellem]

I try to adapt the vitocal.json from the wiki.

I want to define a binary sensor that tells me whether the compressor is running. My idea is to derive this from the compressor performance in %.

{ "domain": "binary_sensor", "name": "Compressor running", "icon": "mdi:pump", "payload_on": "1", "payload_off": "0", "value_template": "{{ \"1\" if states(\"sensor.vitocal_compressor\") | float > 0 else \"0\" }}" },

I tested the template in Home Assistent and it works fine, but not as mqtt topic. The binary sensor entity value in ha is "unbekannt".

Does anyone have an idea what the template should be?

[FransOv]

It will never get a value as Optolink-Splitter will never send an mqtt message with .../compressor_running.
The way to create this sensor is by creating a template helper in Homeassistant.
Settings->Devices and Services->Helpers tab->Add helper->Template helper->create binary sensor

[lellem]

Yes, I was mistaken. The way is to create the sensor as a template in HA, for example. I created the sensor directly in the yaml configuration.