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MNB-1000 COV links using "link builder" in WorkPlace Commissioning Tool do not work


When using "link builder" in WorkPlace Commissioning Tool, MNB-V2s and MNB-300s link OK but links to MNB-1000s do not work.

Product Line

 TAC IA Series


  • WorkPlace Commissioning Tool
  • I/A Series MNB VAV
  • I/A Series MNB 70
  • I/A Series MNB 300
  • I/A Series MNB 1000


An incorrect value set for APDU retries in the MNB-1000.


  1. Use WorkPlace Commissioning Tool to display the devices, and double click the MNB-1000 in question to display the Device Properties window.
  2. Select the Advanced tab and ensure APDU retries is not set to 0. If it is, set it to 3, reboot the controller and the links will function properly.
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