IKUSI TM70 Serie Manual De Instalación Y De Utilización página 168

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.
Block diagram of the signals (see figure 3):
+VI
1
IN1
2
IN2
3
IN3
4
5
IN4
6
GND
TM70Bi V4.1 (03/12) 1121174.pdf
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I3
+VI
1
IN1
2
IN2
3
4
IN3
5
IN4
6
GND
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
58