IKUSI T70/1 Operation & Installation Manual page 61

If there is no external voltage range available, the card provides through pin number 1 (+VI), a
voltage between 12 and 20 volts, to activate the inputs as shown in the figure 2.
+VI
IN1
IN2
IN3
IN4
GND
Block diagram of the signals (see figure 3):
+VI
1
IN1
2
IN2
3
IN3
4
5
IN4
6
GND
TM70Bi V3.2 (11/02) 1121174 L0.pdf
IKUSI reserves the right to change this information without prior notice.
I3
1
2
3
4
5
6
I3
IN4D
Figure 3
I1
IN4D
Figure 2
I1
GND
1
+VI
2
3.3V
3
GND
4
5
GND
6
IN
1
2
3
4
5
6
LR70
P16
1
2
3
4
5
6
57