Homematic Binding channels vs channels acc. to HmIP device document

Add-ons Bindings
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1

Hi there,

I’m actually setting up a simple Temperature control for my HmIP-eTRV-B1 via OH 2.5.
My idea is to control the Offset Temperature of the actuator according to it’s differntial temperature, like in the forum-link below.
So simplified:

newOffset= XiaomiTemp - (ACTUAL_TEMPERATURE - [actual]TEMPERATURE_OFFSET)

The problem is, that the new Offset cannot be send to the piVCCU.

In the Log the following lines were written:

2020-02-27 15:30:00.115 [ome.event.ItemCommandEvent] - Item ‘WoZi_Heizung_Offset’ received command 2
2020-02-27 15:30:00.120 [nt.ItemStatePredictedEvent] - WoZi_Heizung_Offset predicted to become 0

In PaperUI I can’t find the channel “TEMPERATURE_OFFSET”, but regarding to the HmIP Device Document it should be possible, cz it’s read/write.
An Error " Datapoint not found" does not appear.

Is it possible do add this channel to the binding?
According to this Thread:
https://forum.iobroker.net/topic/20873/vorlage-homematic-ip-thermostate-mit-ccu-externe-temperatursensoren-xiaomi-etc-einbinden-mittels-offset-setzen/2, it’s possible via ioBroker. So in general it should be possible via OH as well, shouldn’t it?

Thx for your replies!

cheers Hannes

PS: I can post my code as well if you’re interested.

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Hi Hannes,

the offset is probably available as thing configuration parameter, because the offset is normally a setting that you won’t have to change regularly. You should see it if you edit the thing itself. There are quite a lot of settings.
I don’t have an HMIP thermostat but for my older thermostat I found it under the thing configuration parameters.

Martin

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Hi Martin,

thanks, just saw it after your hint. This overview is really confusing, gosh!

Seems to be hard to change this out of a rule. I need something like a setConfig - command.

Does someone got an idea how to change the config dynamically?

Hannes

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Hi Hannes,

tight, the display is really a bit messy. But these are usually settings that you rarely change. I have never seen the need to change them via rules.
Most of the time there are other ways to do this in rules.

Here is a thread that explains how you can change thing configuration via the REST API: Thing configuration from rules

Martin

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