an integrator in Brisbane has noticed that the Zone open/close information on C-Bus application 01, was no longer being sent out from the UCM/CBUS.
Can you please confirm my recollection about the implementation of this feature. If the UCM/CBUS does not receive an acknowledgement of the sent zone open/close event, the UCM/CBUS interface stops sending this information, until it is reset. This is to prevent the interface repeating the command several times and causing a delay or even missing other CBUS commands.
Devices on the CBUS network that send the ACK command ( Acknowledgement of the sent zone open/close event) include the C-BUS PCI interface and the Cbus touch screen.
Can this expain why the zone open/close events will stop. For example if these devices were present, them removed ( or powered down) , the zone open close events would stop being sent. Now reconnect a C-BUS PCI to monitor the traffic and it could be seen that the zone open close events are no longer being sent. Reset the UCM/CBUS and the zone open close events start again.
Is the above a correct explaination of what is happening.
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