1433 numerical designation to en 50 044 this

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Unformatted text preview: 50 044 This standard covers all inductive proximity sensors to standards EN 50 008, EN 50 025, EN 50 026, EN 50 036, EN 50 037, EN 50 038 and EN 50 040. The standard differentiates between polarised and non-polarised proximity sensors. In the case of non-polarised proximity sensors with two connecting wires for DC or AC operation, the wires can be any colour except green/yellow. © Festo Didactic GmbH & Co. KG • FP 1110 217 14. Standards and protection classes In the case of polarised proximity sensors for direct current and two connecting wires, the connecting wire for the positive terminal must be brown and blue for the negative terminal. Where proximity sensors have three or four connecting wires, the wires must be identified as follows Operating voltage Positive terminal Negative terminal Load output for three connecting wires for four connecting wires Brown Blue Black Black White independent of function; for the normally open contact function, for normally closed contact operation. 1...
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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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