Issue
When upgrading the MNB-1000 firmware from v1.32 to v1.4, the value of property APDU Retries changes to 0. This will cause problems with any MNB-1000 that make BACnet requests.
Environment
- MNB-1000 v1.32
Cause
Firmware v1.4 change APDU Retries to 0, which the value needs to be to 2 or 3.
Resolution
Set the value of APDU Retries to 2 or 3 using WorkPlace Commissioning Tool or any other tool capable of changing that property.
To change the APDU retries follow these steps:
- Open WorkPlace Commissioning Tool
- Discover MNB-1000 and select its properties
- Select the Advance Tab
- Change the APDU retries to 3
- Select OK then restart the MNB-1000
Note: If there problems with COV, make sure this property is set to a value of 2 or 3.