Control configuration for BACnet MS/TP - Metasys - LIT-12012005 - Field Device - N2 Controller - 13.0

Modernization Guide for N2 Controllers - Metasys

Brand
Metasys
Product name
N2 Controller
Document type
User Guide
Document number
LIT-12012005
Version
13.0
Revision date
2023-10-16
Language
English

About this task

When you are ready to move to a BACnet MS/TP configuration, use CCT to switch the equipment controllers' field bus network to BACnet MS/TP and then re-download the controller application files (*.caf) to the desired CGM, CVM, and FEC family controllers.

As you convert CGM, CVM, and FEC family controllers to BACnet MS/TP, it is best practice to keep the controllers disconnected from the Field Controller (FC) Bus network until all have been converted to BACnet MS/TP and the supervisory controller has been reconfigured for BACnet MS/TP. Follow these steps to convert N2-configured CGM, CVM, and FEC family controllers to BACnet MS/TP:

Procedure

  1. Disconnect the FC Bus connector from the CGM, CVM, and FEC controller.
  2. Ensure there is 24 VAC supply to the CGM, CVM, and FEC controller.
  3. Use CCT and an SA bus connection to upload the CGM, CVM, and FEC controller's application file.
  4. Clear the N2 Mapping Table and save the application file.
  5. Disconnect the 24 VAC supply from the CGM, CVM, and FEC controller.
  6. Set the address switch to the desired BACnet MS/TP address. See Device addressing for details about N2 and BACnet MS/TP device addressing.
    Note: When configured for BACnet MS/TP, the address dip switch segment labeled 128 establishes the FEC controller for wireless mode. If you do not use the FEC controller in a wireless network, then set the 128 segment to OFF.
  7. Connect the 24 VAC supply to the CGM, CVM, and FEC controller.
  8. Using the CCT tool and an SA bus connection, download the BACnet-configured application to the CGM, CVM, and FEC controller.
  9. For an FEC controller, when the download process asks to confirm switching the communication protocol to BACnet, click Accept.
    Note: The CVM and CGM controllers automatically detect the correct FC Bus protocol and do not need to be switched by the tool.
  10. Reconnect the FC Bus connector to the CGM, CVM, and FEC controller.