Vieweg DC 3000 Bedienungsanleitung Seite 34

DC 1200
VCC
Input
Microcontroller
GND
DC 1200
Output
Microcontroller
DC 1200
Input
Microcontroller
34
VCC
Opto-
coupler
D2
GND
Opto-
coupler
GND GND
4k7
33R
WS
SW
GND
I/O-Port
Input
I/O-Port
Output
Foot
switch