Read reaction
When you read a Group Address from the bus, this request is sent to all devices that use this Group Address, and within all these devices, to all Communication Objects that are assigned to this Group Address, at least, to those for which the read-flag is set.
As for both Communication Objects the read-flag is set, you also get two answers, even from the same device. There are in the EIB specifications no requirements on the sequence (Reihenfolge) in which the answers shall be sent. Apparantly, your device first send it for Eingang A and then for Eingang B.
So far for the explanation.
Now, it depends on how you want the device to react on what you have to change.
- You may need to clear (löschen) the read(-Lese-) flag for one of the Communication Objects.
Mr. Steven De Bruyne
System Department - KNX Association
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