ActronAir MWC-B01CS Operation Manual page 54

Check list content:
1. Query of wired controller address
Parameter Code
Query of active IDU addresses for wired
1
controller (one-to-more)
Historical record query of IDU addresses for
2
wired controller (one-to-more)
Wired controller program version No.
3
Parameter Name
51
Remarks
Each address is displayed for 1.5s. Addresses are
alternatively displayed. To clear historical addresses,
restore the wired controller to factory settings.