Velleman VM129 Manuel D'instructions page 7

USB Interface Card 'VM110' :
VM110
GND
PWM2
DAC2
PWM1
DAC1
GND
CLAMP
08
07
06
05
04
03
02
01
0
VM129
IN
0
+12V
0
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
Connection with regular switches :
RS232
V out
INPUTS
Figure 2.0
Input connection examples
0
RS232
IN
V out
0
+12V
0
1
0
2
0
3
0
INPUTS
4
0
5
0
6
0
7
0
Figure 3.0
8
7