Issue
- Graphics updates are very slow, it takes over 1 minutes to load a graphic,
- Opening objects from Continuum Explorer is slow, sometimes it will failed to open an object if clicked too frequently.
- When using the BACnet path for objects on graphics it is fast.
Product Line
Andover Continuum
Environment
- b4920 version 4.2000026
- b3s version 4.5000035
- Cyberstation 1.81 or above
Cause
- For the old BACnet IP controller b4920, versions prior to 4.200029 could have some communication issue with b3s
- MSTP enhance mode not enabled on b4920,
Resolution
- Upgrade b4920 to version 4.2000029 or above, preferably the latest version
- Go to the webpage of b4920, check "MSTP Enhance Mode" and then click submit
- Wait for b4920 to go back online and test graphics operation
