HikRobot CA Series User Manual page 59

Line 2 Configured as Output
When the camera uses Line 2 as output signal, wirings are different with different external devices.
 PNP Device
 NPN Device
If the VCC of NPN device is 24 VDC, and it is recommended to use 1 KΩ to 4.7 KΩ pull-up resistor.
If the VCC of NPN device is 12 VDC, and it is recommended to use 1 KΩ pull-up resistor.
CA/CE-Series GigE Area Scan Camera·User Manual
Power Supply
Figure 9-15 Line 2 Connecting to a Switch as Input
Camera Power
Supply
Bi-direction
I/O
Camera Power
Figure 9-16 Line 2 Connecting to PNP Device as Output
Camera Power
Supply
Bi-direction
I/O
Camera Power
Ground
Figure 9-17 Line 2 Connecting to NPN Device as Output
PWR
Camera
Bi-direction
I/O
Camera Power
Ground
GND of PWR
and VCC
PWR VCC
Ground
GND of PWR
and VCC
PWR VCC
Device Power
GND of PWR
and VCC
49
VCC
Switch
Device Power
Supply
Signal Line
Device Power
Ground
Device Power
Supply
Signal Line
Ground
PNP Device
NPN Device