DS4800 REFERENCE MANUAL
54
4
Power to
Input
Photocell Signal
Photocell
Reference
NPN Photocell
Figure 39 - NPN External Trigger Using DS4800 Power
EXTERNAL TRIGGER INPUT CONNECTIONS USING EXTERNAL POWER
Pulled down to External
Input Device Reference
Input
Signal
PNP Photocell
Figure 40 - PNP External Trigger Using External Power
Pulled up to External
Input Device Power
Input
Signal
NPN Photocell
Figure 41 - NPN External Trigger Using External Power
