Installation manual

DS2400N REFERENCE MANUAL
50
4
Power to Input
Photocell Signal
Photocell
Reference
NPN Photocell
Figure 50 - NPN External Trigger Using DS2400N Power
EXTERNAL TRIGGER INPUT CONNECTIONS USING EXTERNAL POWER
Pulled down to External
Input Device Reference
Input
Signal
PNP Photocell
Figure 51 - PNP External Trigger Using External Power
Pulled up to External
Input Device Power
Input
Signal
NPN Photocell
Figure 52 - NPN External Trigger Using External Power