If there are 32 IM in one BDU zone, need to use the Power supply-PC7H
If there are more than 1 door station, DBC4A1 cannot be used,a parallel scheme is recommended
IM in one DBU zone: Normal IM Max.32, DX Max.8, DT47MG Max.12
Upgraded DT821/VD, DT821/T5, BDU are required for the above application
New Settings in T5 Modular
Expand System
The default mode is Normal, which supports 32-users. when more than 32-users, we need first change the mode to Expand. (BDU is Router mode as default in new version, no need additional settings.)
IM setting （New menu)
The 8 zones represent the BDUs in the system
The first BDU is available as default
Click the icon on the right according to the actual project conditions to enable the corresponding BDU.
The button on the left at the bottom is used to search for the online status of the enabled BDU, which will be marked with a new icon after refreshing.