how can i update a new homatic HG-HM-CC-RT-DN (heating actor) with my defaults. I have a lot of heating actors and it is a unnecessary work to put the new default values in hundreds of input fields.
Access to the actors are vie homegear and OH Webinterface possible.
It would be enough with php and the REST API.
Assuming this is a value exposed to OH, you could add the items to a Group, you could use an Item to use to set your new default value, and create a Rule based upon change to this Item which can iterate through all members of the group and send the new default.
No, sorry, i would set the device specific defaults heating times and temperatures.
This is much more battery effcient as to send all the rules again and again and so on every day / week/ …