An inductive proximity sensor is to be used what

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Unformatted text preview: 4.5.1 and 4.5.2. The steel cylinders are to be counted by means of an inductive proximity sensor, which is to be connected to a programmable logic controller. Due to conveyor vibrations, the steel cylinders also effect a slight vibration movement with amplitude "a". An inductive proximity sensor is to be used. What problems can occur with the counting of the steel cylinders? The proximity sensor has a nominal switching distance of 8 mm. The hysteresis can be 1 % to 5 % of the switching distance. This is on the assumption that these hysteresis values also apply for lateral approach of the proximity sensor, as in this case. What is the maximum vibration amplitude "a" permitted without causing the problems which occur in paragraph 1? Fig. 4.5.1: Counting of steel cylinders on a conveyor belt by means of an inductive proximity sensor 1 2 Vibration amplitude (1) Cylinder (2) Fig. 4.5.2: Vibratory movement of the steel cylinders © Festo Didactic GmbH & Co. KG • FP 1110 59 60 © Festo Didacti...
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