• BS EN 50227:1999

    Current The latest, up-to-date edition.

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

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  17-03-1999

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    1 Scope
    2 Normative references
    3 Definitions
    4 Classification
    5 Characteristics
    6 Product information
    7 Normal service, mounting and transport conditions
    8 Constructional and performance requirements
    9 Tests
    Figure 1 Example of a continuous characteristic of a
               proximity sensor
    Figure 2 Example of discontinuous characteristic of a proximity
               sensor
    Figure 3 Control input of the switching amplifier
    Figure 4 Characteristics of proximity sensor in the high
               impedance state
    Figure 5 Characteristics of proximity sensor in the low
               impedance state
    Table 1 Classification of proximity switches
    Table 2 Connection and wiring identification

    Abstract - (Show below) - (Hide below)

    SHOULD BE READ IN CONJUNCTION WITH BS EN 60947-1 AND BS EN 60947-5-2. Applicable to proximity sensors connected for operating by a two-wire connecting conductor to the control input of a switching amplifier. This amplifier contains a d.c. source for supplying the control circuit and is controlled by the variable internal resistance of the proximity sensor.

    General Product Information - (Show below) - (Hide below)

    Committee PEL/121/1
    Development Note Supersedes 96/202031 DC. (09/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Current

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 50037 : 1987 LOW VOLTAGE SWITCHGEAR & CONTROLGEAR FOR INDUSTRIAL USE - INDUCTIVE PROXIMITY SWITCHES, FORM C FOR ALTERNATING CURRENT, 2 TERMINALS
    EN 50044 : 1981 LOW VOLTAGE SWITCHGEAR & CONTROLGEAR FOR INDUSTRIAL USE - INDUCTIVE PROXIMITY SWITCHES - IDENTIFICATION OF CONNECTIONS
    EN 50008 : 1987 LOW VOLTAGE SWITCHGEAR AND CONTROLGEAR FOR INDUSTRIAL USE - INDUCTIVE PROXIMITY SWITCHES - FORM A, FOR DIRECT CURRENT, 3 OR 4 TERMINALS
    EN 50010 : 1987 LOW VOLTAGE SWITCHGEAR AND CONTROLGEAR FOR INDUSTRIAL USE - INDUCTIVE PROXIMITY SWITCHES - METHODS FOR MEASURING THE OPERATING DISTANCE AND OPERATING FREQUENCY
    EN 50026 : 1987 LOW VOLTAGE SWITCHGEAR AND CONTROLGEAR FOR INDUSTRIAL USE - INDUCTIVE PROXIMITY SWITCHES - FORM D FOR DIRECT CURRENT, 3 OR 4 TERMINALS
    EN 50020:2002 Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i'
    EN 50025 : 1987 LOW VOLTAGE SWITCHGEAR FOR INDUSTRIAL USE - INDUCTIVE PROXIMITY SWITCHES - FORM C, FOR DIRECT CURRENT, 3 OR 4 TERMINALS
    EN 50032 : 1980 LOW VOLTAGE SWITCHGEAR & CONTROLGEAR FOR INDUSTRIAL USE - INDUCTIVE PROXIMITY SWITCHES - DEFINITIONS, CLASSIFICATION & DESIGNATION
    EN 60947-5-2:2007/A1:2012 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 5-2: CONTROL CIRCUIT DEVICES AND SWITCHING ELEMENTS - PROXIMITY SWITCHES (IEC 60947-5-2:2007/A1:2012)
    EN 50040 : 1987 LOW VOLTAGE SWITCHGEAR & CONTROLGEAR FOR INDUSTRIAL USE - INDUCTIVE PROXIMITY SWITCHES, FORM A FOR DIRECT CURRENT, 2 TERMINALS
    EN 50038 : 1987 LOW VOLTAGE SWITCHGEAR & CONTROLGEAR FOR INDUSTRIAL USE - INDUCTIVE PROXIMITY SWITCHES, FORM D FOR ALTERNATING CURRENT, 2 TERMINALS
    EN 50036 : 1987 LOW VOLTAGE SWITCHGEAR & CONTROLGEAR FOR INDUSTRIAL USE - INDUCTIVE PROXIMITY SWITCHES, FORM A, ALTERNATING CURRENT, 2 TERMINALS
    EN 60529:1991/AC:2016-12 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015)
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