R
pu
CPU_adc
R
1
R
2
UIN
C
1
CPU_pull-up
VDD
Figure 21. Connection of normally open (NO-) sensors
R
pu
CPU_adc
R
1
R
2
UIN
C
1
CPU_pull-up
VDD
Figure 22. Connection of normally closed (NC-) sensors
Profiles "Discrete NC+" and "Discrete NO+" allow to work with sensors, which, when turned on or off, close the input
to “+” supply voltage.
CPU_adc
R
1
R
2
UIN
C
1
+U
R
pu
CPU_pull-up
VDD
Figure 23. Connection of normally open (NO+) sensors
Summary of Contents for SMART S-2433
Page 11: ...Figure 14 Figure 15...
