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Unformatted text preview: ctic GmbH & Co. KG • FP 1110 1. General notes Measuring distance Application for approximate distance measuring (distance x). Fig. 1.6.9: Measuring distances Measuring speed Application for measuring speed (speed v). Fig. 1.6.10: Measuring the speed of a moving object © Festo Didactic GmbH & Co. KG • FP 1110 23 1. General notes Accident protection Application for protecting machinery against dangerous contact. Fig. 1.6.11: Accident prevention, e.g. by means of sensors Note Light barriers used for accident prevention often have to satisfy certain conditions,
which are laid down in specific regulations as required by the individual countries. Contour recognition Applications for the detection of the shape of an object by means of several
proximity sensors arranged to sense the contours. Fig. 1.6.12: Detecting the shape of an object 24 © Festo Didactic GmbH & Co. KG • FP 1110 2. Mechanical position switches 2.1
position switches 2.1.1 Function description
With mechanical limit switches an electrical contact is established or interrupted by
means of an external force. The contact se...
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- Spring '12