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EVS-EN 50227:2002

Control circuit devices and switching elements proximity sensors, d.c. interface for proximity sensors and switching amplifiers (NAMUR)

General information

Withdrawn from 02.06.2011
Base Documents
EN 50227:1997
Directives or regulations
None

Standard history

Status
Date
Type
Name
This standard applies to proximity sensors connected for operation by a two-wire connecting conductor 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.

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