KNX - Different DPT for rollershutter position set and read GA

[rossko57]

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Design Pattern: Associated Items

Please see Design Pattern: What is a Design Pattern and How Do I Use Them for how to read and use DPs. Problem Statement Often one will have a number of separate Items which are all related to each other in some way. For example, one might have a Contact on a door and a DateTime to represent when the last time the door was opened. This is easy enough to keep track of if there are only one or two such Items, but if one has a lot of similar Items or is using a lot of generically coded rules where…

and see related design patterns like

Design Pattern: Working with Groups in Rules

Please see Design Pattern: What is a Design Pattern and How Do I Use Them for how to read and use DPs. Problem Statement Often one finds a number of Rules that are very similar and that all work on similar Items resulting in a lot of duplicated code. One way to solve this problem is through the use of Groups. Concept [image] This DP is not a standard DP in that it provides a single concrete template to follow to solve a specific problem. Instead this DP is more of a grand exploration of some …

You might end up with a group of rollers each named someroller , otherroller etc.
and a group of properties someroller_feedback , otherroler_feedback
You can write a rule triggered by a member of the properties group changing.
The rule can find out the name of the triggering member - someroller_feedback - work out the associated roller - someroller - and access that by name for a postUpdate