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ID2000 Series Smart Code Reader User Manual
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PNP Device
Opto Input
DB9 Connector
PNP
Device
PNP Device Power
PNP Power Ground
Signal Line
VCC
GND of PWR
Input Signal Ground
GND of VCC
Figure 3-20 Input Signal Connecting to PNP Device
NPN Device
If the VCC of NPN device is 12 VDC or 24 VDC, and the pull-up resistor of the supplied 17-pin cable
is used.
Opto Input
DB9 Connector
NPN Device
NPN Device Power
NPN Power Ground
Signal Line
VCC
GND of PWR
Input Signal Ground
GND of VCC
Internal Resistor
of Cable
●
Figure 3-21 Input Signal Connecting to NPN Device (Pull-Up Resistor of 17-Pin Cable Used)
If the VCC of NPN device is 12 VDC or 24 VDC and the external pull-up resistor is used, it is
recommended to use 1 KΩ pull
-up resistor.
Opto Input
DB9 Connector
NPN
Device
NPN Device Power
NPN Power Ground
Signal Line
VCC
GND of PWR
Input Signal Ground
GND of VCC
●
●
Figure 3-22 Input Signal Connecting to NPN Device (External Pull-Up Resistor Used)
3.2.4 Output Signal Wiring
The device can output signal to external device via I/O interface, and this section introduces