the following steps are to be taken keep the

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Unformatted text preview: ating status cannot be guaranteed. + 24 V DC BN(1) BK(4) BU(3) V V1 BN(1) BK(4) BU(3) V2 L 0V Load (L) Fig. 10.3.4: Series connection in three-wire technology 152 © Festo Didactic GmbH & Co. KG • FP 1110 10. Connection and circuit technology 10.4 Connection technology under conditions of strong electro-magnetic influence As far as connection is concerned, it should be ensured that proximity sensor cables are installed separately from supply lines to motors, switching valves etc. If proximity sensor connection cables run over long distances in cable ducting or cable trays parallel to other cables which conduct alternating currents or strong current pulses, this can lead to interference with the proximity sensor via the connection cable. If the proximity sensors are used in areas of high interference (welding equipment, motors, magnetic couplings, ...), the following steps are to be taken: • Keep the connection cables of proximity sensors short • Screen the sensor connection c...
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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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