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CONTACT
The relay contact of the switch provides C, NC and NO connections. The relay
contacts changeover when the surface of the switch is touched. This change over is
timed so that it will not hold even if the triggering object is not removed from the
surface.
Figure 8
LED's
There are two bi-colour LED's on the reader. The lower LED flashes red until the front
surface of the switch is touched. The LED will then stay green until the hand or finger is
removed. The upper LED is controlled from the LED input.
10
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