1、NEMA Standards PublicationNational Electrical Manufacturers AssociationNEMA ICS 5 ANNEX B-2002 (R2008)Industrial Control and Systems: Typical Proximity Switch SpecificationsNEMA Standards Publication ICS 5, Annex B-2002 (R2008) Industrial Control and Systems: Typical Proximity Switch Specifications
2、Published by National Electrical Manufacturers Association 1300 North 17th Street, Suite 1752 Rosslyn, Virginia 22209 www.nema.org Copyright 2008 by the National Electrical Manufacturers Association. All rights including translation into other languages, reserved under the Universal Copyright Conven
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10、to someone else. Anyone using this document should rely on his or her own independent judgment or, as appropriate, seek the advice of a competent professional in determining the exercise of reasonable care in any given circumstances. Information and other standards on the topic covered by this publi
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12、ducts, designs, or installations for safety or health purposes. Any certification or other statement of compliance with any health or safetyrelated information in this document shall not be attributable to NEMA and is solely the responsibility of the certifier or maker of the statement. ICS 5, Annex
13、 B-2002 (R2008) Page i Copyright 2008 by the National Electrical Manufacturers Association. CONTENTS Page Forewordii 1 Type IA, Inductive Cylindrical Proximity Switches with Threaded Barrel 1 1.1 Dimensions of Type IA 1 1.2 Rated Operating Distances for Type IA . 1 1.3 Installation (Mounting) of Typ
14、e IA 1 1.4 Standard Frequency of Operation f, of Type IA 2 Tables B11 Type IA Dimensions 1 B12 Type IA Proposed Rated Minimum Operating Distances (MM) Inductive Cylindrical Proximity Switches with Threaded Barrel .1 B13 Type IA Standard Frequency of Operation Inductive Cylindrical Proximity Switches
15、 with Threaded Barrel 4 Figures B11 Dimensions of Type IA 1 B12 Installation (Mounting) of Type IA3 ICS 5, Annex B-2002 (R2008) Page ii Copyright 2008 by the National Electrical Manufacturers Association. Foreword This Standards Publication was prepared by a technical committee of the NEMA Industria
16、l Automation Control Products and Systems Section. It was approved in accordance with the bylaws of NEMA and supersedes the indicated NEMA Standards Publication. This Standards Publication is an addition part to ICS 5-2000 Control-Circuit and Pilot Devices and will be included into that standards pu
17、blication when it is next revised. Annex B provides common dimensions and operating characteristics for a typical proximity switch. NEMA Standards Publications are subject to periodic review. They are revised frequently to reflect user input and to meet changing conditions and technical progress. Pr
18、oposed revisions to this Standards Publication should be submitted to: Vice President, Engineering Department National Electrical Manufacturers Association 1300 North 17th Street, Suite 1752 Rosslyn, Virginia 22209 This standards publication was developed by the Industrial Automation Control Product
19、s and Systems Section. Section Approval of the standard does not necessarily imply that all section members voted for its approval or participated in its development. At the time it was approved, the Section was composed of the following members: ABB Control, Inc.Wichita Falls, TX Alstom Power Conve
20、rsionPittsburgh, PA Automatic Switch CompanyFlorham Park, NJ Balluff, Inc.Florence, KY Carlo Gavazzi, Inc.Buffalo Grove, IL Control Concepts Corp.Beaver, PA Cooper BussmanSt. Louis, MO Cummins, Inc.Minneapolis, MN Cyberex LLCRichmond, VA Eaton CorporationMilwaukee, WI Echelon Corporation San Jose, C
21、A Electro Switch CorporationWeymouth, MA Emerson Process ManagementAustin, TX Entrelec, Inc.Irving, TX GE Industrial SystemsPlainville, CT Hubbell IncorporatedMadison, OH Joslyn Clark Controls, Inc.Lancaster, SC Lexington Switch it does not take into account either manufacturing tolerances or variat
22、ions due to external conditions such as voltage and temperature. Extended Range Inductive Proximity Switch: A proximity switch that meets the minimum requirements given in Table B-1-2 under the stated standard test conditions. B.1.3 Installation (Mounting) of Type IA Embeddable proximity switches, w
23、hen installed in damping material, shall be according to Figure B-1-2 (a). Non-embeddable proximity switches, when installed in damping material, shall be according to Figure B-1-2(c). Semi-embeddable (unshielded) proximity switch is a variation of a non-embeddable proximity switch, when installed i
24、n damping material, shall be according to Figure B12 (b). Across flats (AF) Sensing face Target I2I1SnI3d2d1d3d2m mFigure B-1-1 ICS 5, Annex B-2002 Page 3 Copyright 2008 by the National Electrical Manufacturers Association. Table B12 TYPE IA PROPOSED RATED MINIMUM OPERATING DISTANCES (MM) INDUCTIVE
25、CYLINDRICAL PROXIMITY SWITCHES WITH THREADED BARREL Figure B-1-2 INSTALLATION (MOUNTING) OF TYPE IA Type I1Embeddable Type I2Non-embeddable (and semi-embeddable) Rated Operating Distance (mm) Rated operating Distance (mm) Form and Size Standard Extended Range Form and Size Standard Extended Range A0
26、8 A12 A18 A30 1 2 5 10 2 4 8 15 A08 A12 A18 A30 2 4 8 15 3 6 12 22 Free Zone or Non-Damping Material i.e. (a non-metallic material) (a) Embedded in Metal d13 sn(b) Semi-embedded in Metal d1 2 d13 sn0.2 d1(c) Not Embedded in Metal d1 3 d13 snFree Zone or Non-Damping Material i.e. (a non-metallic mate
27、rial) 2 SnICS 5, Annex B-2002 Page 4 B.1.4 Standard Frequency of Operation f, of Type IA The standard frequency of operation shall be according to Table B13. Table B13 TYPE IA STANDARD FREQUENCY OF OPERATION INDUCTIVE CYLINDRICAL PROXIMITY SWITCHES WITH THREADED BARREL Switching element function: A
28、or B Form and Size Installation Type of Output P or N Hz D Hz F Hz A08 1 2 500 300 300 200 5 A12 1 2 400 200 200 100 A18 1 2 200 100 100 50 A30 1 2 70 50 50 30 NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION 1300 NORTH 17TH STREET, SUITE 900 ROSSLYN. VA 22209www.NEMA.orgTO ORDER ADDITIONAL NEMA STANDARDS VISITWWW.GLOBAL.IHS.COM OR CALL 1-800-854-7179/1-303-397-79565612_0514TB
