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Unformatted text preview: y sensors as a rule are equipped with a light emitting diode for
status indication and very often with a potentiometer for setting of the operating
range. There are also designs with two potentiometers for setting a switching
window as well as special programmable designs, with which different operating
ranges can be selected via an electronic interface.
Some ultrasonic proximity sensors are equipped with synchronised inputs, whereby
trouble free and alternating operation is possible if several adjacent proximity
sensors are used. 110 © Festo Didactic GmbH & Co. KG • FP 1110 7. Ultrasonic proximity sensors 7.3
Notes on application 7.3.1 Minimum distances
With the installation of ultrasonic proximity sensors, as with that of inductive and
capacitive sensors, different minimum distances must be observed between
adjacent proximity sensors.
When assembling ultrasonic proximity sensors without the option for
synchronisation, make sure that mutual influence of the proximity sensors does not
occur. Observe the following listed minimum distances in relation to the detection
range of the proxi...
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