Electrical Interface
31 LRP2000 Passive Reader/Writer
Figure 26: Input from NPN Sensor
Figure 26 shows an Open Collector NPN output from a photosensor switching to ground. It can be wired
as a sinking or low-side contact.
Figure 27: Input from NPN Sensor
Figure 27 shows an Open Collector PNP output from a photosensor switching to a positive supply. It can
be wired as a sourcing or high-side contact.