How to get BACnet B3xx controllers to know whether its parent BCX1 is online with its MSTP network or not.
- BACnet B3xx
- MS/TP Network
There may need to be some action taken if communication is lost with the parent controller.
Use the BACnet attribute of System_Status of the BCX1 with BACnet full path in the B3xxx's PE program. Make sure that you need to delay the program with enough waiting time, otherwise, it could make the MSTP congested. For example:
Line Checking If BACnetDevices\MyBCX4040 System_Status = Operational then Goto Wait10Secs Line Wait10Secs If TS > 10 then Goto Checking Line E 'Do something to process the BCX offline situation in the b3 controller. Goto Wait10Secs