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RETRAGREEN RESOURCE LIBRARY // BMS DATA GUIDE

How to Scan a BMS System

Use YABE to connect to a BACnet building management system, discover visible controllers, inspect objects and collect live building data.

Start the visual guide
READ-ONLY FIRST

Only connect with site approval. Confirm the network, BACnet settings and target controller before scanning, and do not write values to a live system unless you are authorised.

10-PART VISUAL INSTALLATION GUIDE

Connect. Discover. Read. Analyse.

Follow the diagrams in order from overview and preparation through discovery, live data collection, export and troubleshooting.

  1. 00

    Guide overview — connect a BMS and read BACnet data

    Overview of using YABE to connect to a BMS and read BACnet data
  2. 01

    Before you connect

    Step 1: prepare the network and BMS details before connecting
  3. 02

    Create a BACnet/IP connection

    Step 2: create a BACnet IP connection in YABE
  4. 03

    Send Who-Is and discover devices

    Step 3: send a Who-Is broadcast and discover BACnet devices
  5. 04

    Identify the correct BMS controller

    Step 4: identify and verify the correct BMS controller
  6. 05

    Open Address Space and browse objects

    Step 5: open the YABE Address Space and browse BACnet objects
  7. 06

    Read Present Value and key properties

    Step 6: read Present Value, units, status flags and reliability
  8. 07

    Subscribe to live data with COV

    Step 7: subscribe to live BACnet data using Change of Value
  9. 08

    Export data, log activity and save the session

    Step 8: export BACnet data, review logs and save the YABE session
  10. 09

    Routed networks, MS/TP and troubleshooting

    Step 9: troubleshoot routed networks, BBMD, MS TP and BACnet discovery