Pepperl+Fuchs FUQ-B8 Manual page 60

VB24
CBX100/500
+V
I2A
I2B
-V
INPUT 2 CONNECTIONS USING VB24 POWER
INPUT 2 CONNECTIONS USING EXTERNAL POWER
50
Function
Power Source - Inputs
Input 2 A (polarity insensitive)
Input 2 B (polarity insensitive)
Power Reference - Inputs
Input Device
Power to
Input Device
Input
Signal
PNP Input 2 Using VB24 Power
Input Device
Power to
Input Device Signal
NPN Input 2 Using VB24 Power
Input Device
Input
Signal
Figure 37 - PNP Input 2 Using External Power
Input Device
Pulled up to External
Input Device Power
Figure 38 - NPN Input 2 Using External Power
Input Device
Reference
Input
Input Device
Reference
Pulled down to External
Input Device Reference
Input
Signal