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Receive BACnet binding limit error when attempting to add new data sharing points in a Plain English program


When saving program changes adding new data sharing points an error is displayed; Infinity controller error: The controller has reached its BACnet binding limit.

Product Line

Andover Continuum


Continuum Cyberstation


The controller has reached its known devices limit and is rejecting any further target devices from being added. The known device limits are 255 for bCX controllers and 32 for b3 controllers. See Limit of how many devices a Bacnet controller can know about (Known devices)  for more details.


Make a change in the controllers to reduce this number of known controllers by modifying how much data is shared and/or reduce the number of Workstations that alarms are delivered to. Once this is done then restart the controller for the known devices table to be rebuilt.

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