Manner Of Dimming - ABB tacteo KNX Product Manual

11.5.13.2

Manner of dimming

Options:
Start-stop dimming:
■
– At the press of a button the command "dim brighter" or "dim darker" is sent. When the
button is released, the command "Stop dimming" is sent.
Step-wise dimming:
■
– A defined value, e.g. "Dim brighter by 6.25%" is always sent out for triggering of a
dimming command.
The parameter is used to specify the way a light is dimmed with a press of a button.
For "Start-Stop dimming" two 3-bit telegrams for dimming are sent. At a press of the button the
first telegram with the command "Dim 100% brighter" or "Dim 100% darker" is sent to the linked
dimming actuator. When the button is released, the second telegram with the command "Stop
dimming" is sent. Hence, a connected dimming actuator can be halted at any time during the
dimming phase.
For step-wise dimming, a defined value, e.g. "Dim brighter by 6.25%", is sent to the linked
dimming actuator after triggering a dimming command. This type of dimming is especially
suitable for systems in which dimming sensors and dimming actuators are installed in different
lines. In this case couplers could cause a delay in telegrams, which could lead to different
brightness values.
Product manual 2CKA001473B9488
Description of application and parameters
Start-stop dimming
Step-wise dimming
Application "Function block x"
│110