HikRobot SC3000 Series Quick Start Manual page 27

SC3000 Series Vision Sensor Quick Start Guide
NPN Device
If you have available external resistors, and the VCC is 12 VDC or 24 VDC, you should use 1 KΩ pull-
up resistor to wire the device as shown below.
Figure 7-8 Input Signal Connects to NPN Device
Switch
It is recommended to use 1 KΩ pull-down resistor.
Figure 7-9 Input Signal Connects to a Switch
Second Type of Input Wiring
PNP Device
If you do not have available external resistors, you can wire the device as shown below.
VCC
PWR
PNP Device
Device Power
Power
PNP
Input Signal Signal Line
Device
Device Power PNP Device
Ground Power Ground
IN_COM
GND
Figure 7-10 Configurable Input Signal Connects to PNP Device
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