1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN ISO 13856-2:2013Safety of machinery Pressure-sensitive protectivedevicesPart 2: General principles for design andtesting of pressure-sensitive edges andpressure-sensitive b
2、ars (ISO 13856-2:2013)BS EN ISO 13856-2:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN ISO13856-2:2013. It supersedes BS EN 1760-2:2001+A1:2009 which iswithdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee MCE/3, Safeguardin
3、g of machinery.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2013. Published
4、by BSI StandardsLimited 2013ISBN 978 0 580 73992 7ICS 13.110Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 April 2013.Amendments issued since publicationDate T
5、ext affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 13856-2 April 2013 ICS 13.110 Supersedes EN 1760-2:2001+A1:2009English Version Safety of machinery - Pressure-sensitive protective devices - Part 2: General principles for design and testing of pressure-sensitive edges and pressure
6、-sensitive bars (ISO 13856-2:2013)Scurit des machines - Dispositifs de protection sensibles la pression - Partie 2: Principes gnraux de conception et dessai des bords et barres sensibles la pression (ISO 13856-2:2013) Sicherheit von Maschinen - Druckempfindliche Schutzeinrichtungen - Teil 2: Allgeme
7、ine Leitstze fr die Gestaltung und Prfung von Schaltleisten und Schaltstangen (ISO 13856-2:2013) This European Standard was approved by CEN on 1 March 2013. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the
8、status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French
9、, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, C
10、roatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey an
11、d United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 13
12、856-2:2013: EBS EN ISO 13856-2:2013EN ISO 13856-2:2013 (E) 3 Foreword This document (EN ISO 13856-2:2013) has been prepared by Technical Committee ISO/TC 199 “Safety of machinery“ in collaboration with Technical Committee CEN/TC 114 “Safety of machinery” the secretariat of which is held by DIN. This
13、 European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by October 2013, and conflicting national standards shall be withdrawn at the latest by October 2013. Attention is drawn to the possibility that some of th
14、e elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 1760-2:2001+A1:2009. This document has been prepared under a mandate given to CEN by the European Commission an
15、d the European Free Trade Association, and supports essential requirements of EU Directive. For relationship with EU Directive, see informative Annex ZA, which is an integral part of this document. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the followi
16、ng countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Nor
17、way, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 13856-2:2013 has been approved by CEN as EN ISO 13856-2:2013 without any modification. BS EN ISO 13856-2:2013EN ISO 13856-2:2013 (E) 4 Annex ZA (informati
18、ve) Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association to provide a means of conforming to Essential Requirement
19、s of the New Approach Directive Machinery 2006/42/EC. Once this standard is cited in the Official Journal of the European Union under that Directive and has been implemented as a national standard in at least one Member State, compliance with the normative clauses of this standard given in Table ZA.
20、1 confers, within the limits of the scope of this standard, a presumption of conformity with the corresponding Essential Requirements of that Directive and associated EFTA regulations. Table ZA.1 Correspondence between this European Standard and Directive 2006/42/EC Clause(s)/sub-clause(s) of this E
21、uropean Standard Essential Requirements (ERs) of Directive 2006/42/EC Qualifying remarks/Notes Clause 4 Annex I, 1.2 Control systems Annex I, 1.3 Protection against mechanical hazards Annex I, 1.4 Required characteristics of (guards and) protection devices Annex I, 1.5 Risks due to other hazards Ann
22、ex I, 1.6 Maintenance Clauses 5 and 6 Annex I, 1.7 Information WARNING Other requirements and other EU Directives may be applicable to the product(s) falling within the scope of this standard. BS EN ISO 13856-2:2013ISO 13856-2:2013(E) ISO 2013 All rights reserved iiiContents PageForeword vIntroducti
23、on vi1 Scope . 12 Normative references 13 Terms and definitions . 24 Requirements for design and testing 74.1 Effective sensing surface 74.2 Actuating force for testing . 94.3 Pre-travel 104.4 Working travel 104.5 Overtravel . 104.6 Force travel relationships 104.7 Minimum operating speed . 124.8 Nu
24、mber of operations 124.9 Sensor output 134.10 Response of output signal switching device to actuating force .134.11 Reset function . 134.12 Environmental conditions 144.13 Power supply variations 154.14 Electrical equipment . 154.15 Hydraulic equipment 164.16 Pneumatic equipment 164.17 Enclosure 164
25、.18 Additional coverings for sensors 174.19 Access . 174.20 Performance levels and categories for SRP/CSs in accordance with ISO 13849-1 .174.21 Adjustments . 184.22 Sensor fixing and mechanical strength . 184.23 Recovery after deformation 184.24 Connections 194.25 Sharp corners, sharp edges and rou
26、gh surfaces .194.26 Mechanical features . 194.27 Inhibition and blocking. 195 Marking .196 Information for selection and use .206.1 General 206.2 Essential data for the selection of suitable pressure-sensitive edge or pressure-sensitive bar . 206.3 Information for use 217 Verification of requirement
27、s .237.1 General 237.2 Test samples . 247.3 Test pieces 247.4 Test No. 1 Safety-related data for selection, installation, commissioning, operation and maintenance of suitable pressure-sensitive edges or pressure-sensitive bars 257.5 Test No. 2 Mounting orientations of sensors 257.6 Test No. 3 Actuat
28、ing force 267.7 Test No. 4 Force.travel relationship(s) 327.8 Test No. 5 Number of operations 327.9 Test No. 6 Output state of sensor and output signal switching device .33BS EN ISO 13856-2:2013ISO 13856-2:2013(E)iv ISO 2013 All rights reserved7.10 Test No. 7 Response of output signal switching devi
29、ce to actuating force, reset and state of power supply . 337.11 Test No. 8 Environmental conditions 337.12 Test No. 9 Power supply variation . 357.13 Test No. 10 Electrical, hydraulic and pneumatic equipment .367.14 Test No. 11 Enclosure 367.15 Test No. 12 Additional coverings for sensors .367.16 Te
30、st No. 13 Access 367.17 Test No. 14 Performance Level (PL) according to ISO 13849-1 .367.18 Test No. 15 Adjustments . 377.19 Test No. 16 Sensor fixing and mechanical strength 377.20 Test No. 17 Recovery after deformation . 377.21 Test No. 18 Connections . 377.22 Test No. 19 Sharp corners, sharp edge
31、s and rough surfaces .377.23 Test No. 20 Mechanical features 377.24 Test No. 21 Inhibition and blocking 387.25 Test No. 22 Marking 387.26 Test No. 23 Information for selection and use .38Annex A (normative) Timing diagrams for pressure-sensitive edges/bars with/without reset39Annex B (informative) O
32、perating speed, force and travel Explanatory remarks and recommendations .43Annex C (informative) Device selection guidance for machinery manufacturer/user .46Annex D (informative) Design guidance 48Annex E (informative) Application guidance 51Annex F (informative) Guidance on commissioning and test
33、ing after installation 52Annex G (informative) General considerations for systems meeting ISO 13849-1, category 2 .54Bibliography .55BS EN ISO 13856-2:2013ISO 13856-2:2013(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO m
34、ember bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governm
35、ental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.International Standards are drafted in accordance with the rules given in the ISO/IEC Dire
36、ctives, Part 2.The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodi
37、es casting a vote.Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights.ISO 13856-2 was prepared by Technical Committee ISO/TC 199, Safety of machinery and
38、by Technical Committee CEN/TC 114, Safety of machinery in collaboration.This second edition cancels and replaces the first edition (ISO 13856-2:2005), which has been technically revised.ISO 13856 consists of the following parts, under the general title Safety of machinery Pressure-sensitive protecti
39、ve devices: Part 1: General principles for design and testing of pressure-sensitive mats and pressure-sensitive floors Part 2: General principles for design and testing of pressure-sensitive edges and pressure-sensitive bars Part 3: General principles for design and testing of pressure-sensitive bum
40、pers, plates, wires and similar devices ISO 2013 All rights reserved vBS EN ISO 13856-2:2013ISO 13856-2:2013(E)IntroductionThe structure of safety standards in the field of machinery is as follows:a) Type-A standards (basic safety standards) giving basic concepts, principles for design, and general
41、aspects that can be applied to all machinery;b) Type-B standards (generic safety standards) dealing with one safety aspect or one type of safeguard that can be used across a wide range of machinery: Type-B1 standards on particular safety aspects (e.g. safety distances, surface temperature, noise); T
42、ype-B2 standards on safeguards (e.g. two-hand controls, interlocking devices, pressure-sensitive devices, guards);c) Type-C standards (machine safety standards) dealing with detailed safety requirements for a particular machine or group of machines.This document is a type-B2 standard as stated in IS
43、O 12100.The requirements of this document can be supplemented or modified by a type-C standard.For machines which are covered by the scope of a type-C standard and which have been designed and built according to the requirements of that standard, the requirements of that type-C standard take precede
44、nce.The safeguarding of machinery (see ISO 12100:2010, 3.21) can be achieved by many different means. These means include guards which prevent access to the hazard zone by means of a physical barrier (for example, interlocking guards according to ISO 14119 or fixed guards according to ISO 14120) and
45、 protective devices (for example, electro-sensitive protective equipment according to IEC 61496-1 or pressure-sensitive protective devices according to this part of ISO 13856).Type-C standards makers and designers of machinery/installations should consider the best way to achieve the required level
46、of safety taking into account the intended application and the results of the risk assessment (see ISO 12100).The required solution can also be to combine several of these different means. The machinery/installation supplier and the user examine together carefully the existing hazards and constraint
47、s before making their decision on the choice of safeguarding.Pressure-sensitive edges and pressure-sensitive bars are safeguards of the mechanically-actuated trip device type. General requirements for these safeguards (as well as others) are given in ISO 12100:2010, 6.3.1 and 6.3.2.Pressure-sensitiv
48、e edges and pressure-sensitive bars are used in a wide range of applications with different conditions of use relating, for example, to extremes of loading or electrical, physical and chemical environments. They are interfaced with machine controls to ensure that the machine reverts to a safe condit
49、ion if the sensitive protective equipment is actuated.This part of ISO 13856 is restricted to the design of pressure-sensitive edges and pressure-sensitive bars so that they can be used when the risk assessment carried out by the machine manufacturer and/or relevant type-C standard, when available, shows this to be appropriate.Pressure-sensitive edges and pressure-sensitive bars can be fitted to a fixed or moving part of a machine or an obstacle to prevent trapping or crushing hazards from another par
