LCN-Binding: temperature values are not up to date

Hi everyone,
I’m using OH3 with LCN for a while, and the binding works nearly perfect for me!
Theres just one thing that I can’t solve:

I’m using the “old” Modules (<2013) which do not tell their own temperature values by themselves an need to be triggert. Unfortunately, my Items are updated only once at system startup and then never again.
In the “old” world (with v1-binding) I had the possibility to send regulary PCK-commands to trigger the update, but I did not found this option in the v2-binding.

Can anyonehelp me?

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