Homematic IP weather station - rain sensor - change zeroing time

akrea · January 2, 2020, 9:30pm

Hi

I have a weathersensor plus. The problem is that the rain sensor zeros at 0700. So following situation arises:

It rains 10mm on day x and stops at 2200. Max value on day x is 10mm. Then on day y it does not rain at all. But since the sensor zeros on 0700 on day y I get max value 10mm (from day x) for day y (instead of 0mm).

I think there might the possibility to use scirpts to change zeroing from 0700 to 0000. With the integrated script editor in HASS I can get to the point where I should start writing commands. But I have trouble finding relevant information on how to do this. Has anyone ever tried this or can point me to where I might get help?

Thanks
akrea

danielperna84 · January 2, 2020, 10:29pm

I don’t know that specific device, but I would actually look if it is possible to configure the device itself to do this at a different time. I’m pretty sure it’s not Home Assistant that’s doing this, so ideally it should also not work around the problem if there is a better solution. Thinking of devices like thermostats or energy-meters, it’s usually possible to program the devices directly. In case of HomeMatic that would be on the CCU to which you have paired it. Take a look of you find anything related in the settings of the device.

akrea · January 4, 2020, 11:20pm

Thanks for your answer. For the ease of use (for the level I need it except the rain sensor) I use the AccessPoint of HomematicIP and not CCU2. The AccessPoint does not provide the possibilities of the CCU2. Hence my approach with the script.

danielperna84 · January 5, 2020, 2:27am

But it still should provide some way of configuring the devices. If we take a switch with energy measuring for example, it would be a huge loss of functionality if it wasn’t possible to configure energy prices etc… Or the weekly programs of a thermostat. Since I don’t own the device I can’t really make statements about this. But other devices I had access to typically provided quite some options for the devices. Hiding those options from people that use the Access Point seems odd to me.

SukramJ · January 11, 2020, 12:18pm

I already talked to eQ-3 about the zeroing time, and they told me it 's not possible to change, and will not be changeable in the future. I don’t know if it can be controlled by a CCU, but it’s definitly not controllable by an AP.

danielperna84 · January 11, 2020, 3:03pm

If they told you it’s not possible, then it doesn’t matter if it’s the AP or CCU. They seem to have hardcoded that value. So I guess you have no other choice than figuring out some workaround.

fedot · February 22, 2020, 2:59pm

Okay, so I’ve got the “Wetterstation Pro”, which I think might be your device?
I just worked on that issue for a few hours and figured it out:
Since I’m running RaspberryMatic on my CCU3, this might not apply to you.

Go to “Programs and connections” in the top bar -> Programs and RaspMatic connections
On the bottom bar, click on “Show intrinsic programs”
There is now a program showing up called “prgDailySunshineRainCounter_1588”, edit it and change the trigger time to 0:00.

As far as fetching the value is concerned, I’ve found that the auto-discovered entity just keeps counting up. You have to create a template sensor and get the “svHmIPRainCounterToday_1588” attribute from your CCU.