Page 189 - Advanced Course

KNX ADVANCED COURSE

Figure 26: Lighting – Control dependent on external light

Required devices:

Brightness sensor e.g. Siemens 5WG1 254 3 AB 02 to record the brightness level
(external light)
Brightness control module e.g. Siemens 5WG1 342 1 AB 01
2-fold push button

Project design
Define the following new group addresses

 Brightness value of sensor (control module, sensor)
 Calibration request (control module)
 Dimming value for calibration (control module)
 Brightness value for calibration (control module)
 L1 Value set (--> switch/dim actuator + control module)
 L2 Value set (--> switch/dim actuator + control module)
 L1 Value status (--> switch/dim actuator + control module)
 L2 Value status (--> switch/dim actuator + control module)
 Control L1 enable / block (2-fold push button, automatic)
 Control L2 enable / block (2-fold push button, automatic)

Link the bus devices (Control 1 and 2 for L1 and L2).
Check the read flag in the brightness sensor GE 253.
Use the default parameter setting of the bus devices.
Commissioning

Put the brightness control module and brightness sensor into operation.

You can now determine the control characteristics using the calibration objects.

Home and Building Management Systems KNX Association
Lighting Control Lighting Control_E0310a.doc 30/34