OH3 - HmIP-BROLL Status Problem

Setup, Configuration and Use Items & Sitemaps
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Hello everyone,

Platform information:

  • Hardware: Pi 4 B + Pi 3 B with RPI-RF-MOD
  • OS: openHABian 3.0.2
  • Java Runtime Environment: OpenJDK Runtime Environment Zulu11.48+21-CA (build 11.0.11+9-LTS)
  • openHAB version: 3.0.2
  • CCU: RaspberryMatic 3.59.6.20210703

Translation:

  • Realer Wert Behanghöhe (grey pictures) = Blinds real height / Blinds real level


Issue:
I’ve connected a HmIP-BROLL (HomeMatic Rollershutter) to openHAB via a RaspberryMatic CCU. The level of the transmitter channel (#3) only shows 0%, even if the blinds are moved down a bit.
The black picture shows the OH output, the grey picture is from RPMatic:

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The commands are received correctly on channel 4:

2021-07-04 20:40:21.385 [INFO ] [openhab.event.ItemCommandEvent      ] - Item 'RolladenWohnzimmer_4_LEVEL' received command UP
2021-07-04 20:40:21.385 [INFO ] [penhab.event.ItemStatePredictedEvent] - Item 'RolladenWohnzimmer_4_LEVEL' predicted to become UP
2021-07-04 20:40:21.386 [INFO ] [openhab.event.ItemStateChangedEvent ] - Item 'RolladenWohnzimmer_4_LEVEL' changed from 100 to 0
2021-07-04 20:40:25.918 [INFO ] [openhab.event.ItemCommandEvent      ] - Item 'RolladenWohnzimmer_4_LEVEL' received command STOP
2021-07-04 20:40:28.502 [INFO ] [openhab.event.ItemCommandEvent      ] - Item 'RolladenWohnzimmer_4_LEVEL' received command DOWN
2021-07-04 20:40:28.503 [INFO ] [penhab.event.ItemStatePredictedEvent] - Item 'RolladenWohnzimmer_4_LEVEL' predicted to become DOWN
2021-07-04 20:40:28.506 [INFO ] [openhab.event.ItemStateChangedEvent ] - Item 'RolladenWohnzimmer_4_LEVEL' changed from 0 to 100
2021-07-04 20:40:31.350 [INFO ] [openhab.event.ItemCommandEvent      ] - Item 'RolladenWohnzimmer_4_LEVEL' received command STOP


If I convert the transmitters level value to % using JavaScript, the value is still 0%:

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rollershutter-level-adjust.js

result = input*100;

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Can anyone help me to get a normal percentage value for the blinds level like RPMatic is showing?

Greetings

P.S.: This is my first post and my first real problem, but i’ve read alot of your guides during setup and just want to thank all of you for your great work. This is a really nice community.