12
Transfer protocol
KNX B4 Universal Interface
• Version: 13.09.2021 • from application 1.0 • Technical changes and errors excepted.
16
Dimming
Input D
This object is used to dim
brighter or darker (one-
button dimming).
4 bit
DPT3
CR-T-
16
Scene
Input D
This object is used to stop
movement and adjust the
blinds (one-button shutter).
1 bit
DPT18
CR-T-
17
Counter
limit
Input D
This object is used to recall
or learn the configured 8-bit
scene (1-64).
1 byte
DPT1
CR-T-
17
1-bit
Scene
Input D
This object is used to recall
or learn the configured 1-bit
scene (1 or 2).
1 bit
DPT1
CR-TU
18
Counter
Input D
This object is used as
counter (8-bit, 16-bit or 32-
bit) for rising edge, falling
edge or both edges.
1 byte,
2 bytes,
4 bytes
DPT5,
DPT7,
DPT12
CRWTU
19
Interlock
Input D
This object is used to lock/
unlock functioning on
receiving the value 1.
1 bit
DPT1
C-WTU
No.
Name
Function
Description
Lenght
DPT
Flags