HikRobot CA Series - Line 2 Wiring

CA/CE-Series GigE Area Scan Camera·User Manual
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9.2.3 Line 2 Wiring
As bi-direction I/O Circuit, Line 2 can be used as both input signal and output signal.
Line 2 Configured as Input
When the camera uses Line 2 as hardware trigger source, wirings are different with different
external devices of input signal.
 PNP Device
It is recommended to use 330 Ω pull-down resistor.
Camera Power
Supply
Bi-direction
I/O
Camera Power
Ground
PWR VCC
Device Power
Supply
Signal Line
PNP Device
GND of PWR and
VCC
Device Power
Ground
Figure 9-13 Line 2 Connecting to PNP Device as Input
 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.
Camera Power
Supply
Bi-direction
I/O
Camera
Power Ground
PWR VCC
Device Power
Supply
Signal Line
NPN Device
GND of PWR
and VCC
Device Power
Ground
Figure 9-14 Line 2 Connecting to NPN Device as Input
 Switch
If the VCC of switch is 24 VDC, and it is recommended to use 1 KΩ to 4.7 KΩ resistor to protect
circuit.