IEC 60947-5-6 Low-Voltage Switchgear and Controlgear - Part 5-6: Control Circuit Devices and Switching Elements - DC Interface for Proximity Sensors and Switching Amplifiers (NAMUR)
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IEC 60947-5-6 Document Information:
Title
Low-Voltage Switchgear and Controlgear - Part 5-6: Control Circuit Devices and Switching Elements - DC Interface for Proximity Sensors and Switching Amplifiers (NAMUR)
Appareillage A Basse Tension - Partie 5-6: Appareils Et Elements De Commutation Pour Circuits De Commande - Interface A Courant Continu Pour Capteurs De Proximite Et Amplificateurs De Commutation (NAMUR)
International Electrotechnical Commission
Publication Date:
Dec 1, 1999
Scope:
This International Standard applies to proximity sensors connected for operation by a two-wire connecting cable to the control input of a switching amplifier. The switching amplifier contains a d.c. source to supply the control circuit and is controlled by the variable internal resistance of the proximity sensor.
These devices can be used in an explosive atmosphere if they also comply with IEC 60079-11.
NOTE These devices have been defined by the German organization “Normenausschuß für Meß- und Regelungstechnik (NAMUR)” (Office for Standardization of Measurement and Regulation Techniques).
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