Electrical connection
Leuze electronic
BCL 95
19
+ 5 V DC
SW_IN
GND
4.75 … 5.5 V DC
GND
2.2 k
1
2
3
1
Pin 1 / red
2
Pin 2 / orange
3
Pin 3 / violet
Connection version NPN: standard setting (low = active); input resistance: 36 kΩ
Fig. 5.2:
Switching input for connection variant NPN (standard setting)
PNP actuation: With the "inverted" setting (high = active), you can trigger a read process by applying a volt-
age of +5 V DC (pin 1 / red) at SW IN (pin 2 / orange).
+ 5 V DC
SW_IN
GND
GND
4.75 … 5.5 V DC
1
2
3
1
Pin 1 / red
2
Pin 2 / orange
3
Pin 3 / violet
Connection version PNP: inverted setting (high = active); input resistance: 36 kΩ
Fig. 5.3:
Switching input for connection variant PNP ("inverted" setting)
5.5
Switching output
The NPN switching output connection between SW OUT (pin 4 / black) and GND (pin 3 / violet) can be acti-
vated in the scanner setup.
In the basic setting, the SW OUT switching output is switched to GND if a code is detected.
