ID7000 Series Smart Code Reader User Manual
11
PNP Device
Opto-isolated
Input
Device Power
PWR 48V
Device Power
Ground
PNP
Device
PNP Power
PNP Power
Ground
Signal Line
VCC
GND of PWR
Input Signal
Ground
GND of VCC
Figure 4-5 Input Signal Connects PNP Device
NPN Device
If the VCC of NPN device is 12 VDC or 24 VDC and pull-up resistor is not used, its wiring is as follows.
Opto-isolated
Input
Device Power
PWR 48V
Device Power
Ground
NPN
Device
NPN Power
NPN Power
Ground
Signal Line
VCC
GND of PWR
Input Signal
Ground
GND of VCC
Figure 4-6 Input Signal Connects to NPN Device without Pull-Up Resistor