Datalogic DS5100-X200 Reference Manual page 83

ELECTRICAL INSTALLATION
EXTERNAL TRIGGER INPUT CONNECTIONS USING EXTERNAL POWER
Figure 44 - NPN External Trigger Using Scanner Power
Figure 45 - PNP External Trigger Using External Power
Figure 46 - NPN External Trigger Using External Power
NPN Photocell
Power to Input
Photocell Signal
Photocell
Reference
PNP Photocell
Input
Signal
Pulled down to External
Input Device Reference
NPN Photocell
Pulled up to External
Input Device Power
Input
Signal
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