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How many BACnet objects can a Niagara R2 UNC / Niagara G3 ENC station support?

Issue

How many BACnet objects can a Niagara R2 UNC / Niagara G3 ENC station support?

Environment

  • Niagara R2 UNC 
  • Niagara G3 ENC
  • BACnet

Cause

Performance degradation will occur if exceed the BACnet objects quantity limits.

Resolution

A limit of 1500 applies to UNC BACnet point shadow objects and to ENC proxy points. This limit refers to all BACnet point shadow objects and proxy points, regardless of type (BACnet/MSTP, BACnet/IP, or BACnet/Ethernet). Exceeding this limit will result in degraded performance.

For more information, review Appendix A of the MicroNet BACnet Wiring, Networking, and Best Practices Guide (F-27360).

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