ABB Busch-Universal 6591U-101-500 Betriebsanleitung Seite 52

Fig.2
1.1.1.52
Busch Universal Master Dimmer 6591U-101-500 with
pushbutton
mode and Extension unit operation with 6592U-500
6592U-500
D N L
5 extension units maximum can be operated in parallel.
N-connection is only required for illuminated extension
units.
6591U-101-500
1
S L
G