2-2 Example System
2
2
Designing Systems
20 NP Introduction Manual
2-2 Example System
This section gives the example system of shutter control.
■ Operation
The example system opens and closes a garage shutter according to inputs
from the NP and sensors.
• When the sensor detects 3 headlight flashes within 10 seconds, the shutter
opens.
a Light sensor
bOPEN switch
cSTOP switch
d CLOSE switch
• The NP will indicate the status of the shutter.
• The switches on the NP can also open, close and stop the shutter.
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