DT821/VD+M4+BDU-V2(max.64)

Owned by Hebe.vtk
Last updated: Jan 20, 2022 by shuaixuerun
2 min read

Application

Projects require direct-press door station with less than 64 users.

It is recommended to use the M4 module of DT821 series and the upgraded BDU-V2


The advantages are:

  • Free configuration on door station and BDU , directly call by buttons (max.2 BDU)

  • Can be used together with other module DR. TFT. FP…


Generally applicable scenarios are as follows:



  • If there are 32 IM in one BDU zone, need to use the Power supply-PC7H

  • Support one door station only ( new branch will issue soon)

  • If more than three BDUs are needed, should use the old rule to set the key value of the button

  • IM in one BDU zone: Normal IM Max.32, DX Max.8, DT47MG Max.12

  • Upgraded DT821/VD, DT821/M4, BDU are required for the above application

 

Call codes rules in M4 under 2pcs of BDUs

Use the DIP on the back of each 821-M4 module to define the room number (monitor address) of the key call, regardless of the installation location and order of the M4 module


The rules are as follows:

The last two bits of DIP set to OFF as default .

 

 

New Feature

Online detection function for monitors via door station when new BDU-V2 as a router in the system

Long press the virtual button beside the unlocking indicator of VD module) to light up the button indicator in turn. If monitor not online, the indicator will not light up, and it will automatically exit after the detection is completed.

This feature can help the installer to test whether the online status and address setting of the monitor are correct after the project installation is completed.