ELECTRICAL CONNECTIONS
5
33
OUTPUT CONNECTIONS USING READING DEVICE POWER
CAUTION
Power is available directly to the Output Device, independently from the
Power Supply Switch inside the SC4000.
Power to
Output
Output device
Signal
Output device
Reference
Output Device
Figure 39 - Open Emitter Output Using SC4000 Power
Power to
Output device
Output device
Reference
Output Device
Output
Signal
Figure 40 - Open Collector Output Using SC4000 Power
OUTPUT CONNECTIONS USING EXTERNAL POWER
Pulled up to External
Output Device Power
Output
Signal
Output Device
Figure 41 - Output Open Emitter Using External Power
Pulled down to External
Output Device Reference
Output
Signal
Output Device
Figure 42 - Output Open Collector Using External Power
