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Unformatted text preview: 0.40 Table 4.1.1: Guide values for the reduction factor The above table shows that the largest switching distances achieved are for magnetic materials. The switching distances achieved for non-magnetic materials (brass, aluminium, copper) are clearly smaller. © Festo Didactic GmbH & Co. KG • FP 1110 51 4. Inductive proximity sensors + 24 V DC Load (L) Fig 4.1.3: Connection symbol of an inductive proximity sensor in direct voltage three-wire technology The connection designations of inductive proximity sensors are standardised, see chapter 10 and 14. For further notes on circuit layout see chapter 10. 4.2 Technical characteristics The table below lists the key technical data relating to inductive proximity sensors. The figures listed in this table are typical examples and merely provide an overview. Parameter Value Object material Metals Operating voltage 10 – 30 V Nominal switching distance 0.8 – 10 mm, maximal 250 mm Maximum switching current 75 – 400 mA Vibration 10 – 50 Hz, 1 mm amplitude Sensitivity to dirt insensitive Service life very long Switching fre...
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This note was uploaded on 11/01/2012 for the course CHEMICAL 102 taught by Professor Jamesrodriguez during the Spring '12 term at Universidad Politécnica de Cartagena.

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