EN 81-50:2014

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.GYLJDOSicherheitsregeln für die Konstruktion und den Einbau von Aufzügen - Prüfungen - Teil 50: Konstruktionsregeln, Berechnungen und Prüfungen von AufzugskomponentenRègles de sécurité pour la construction et l'installation des élévateurs - Examens et essais - Partie 50: Règles de conception, calculs, examens et essais des composants pour élévateursSafety rules for the construction and installation of lifts - Examinations and tests - Part 50: Design rules, calculations, examinations and tests of lift components91.140.90Lifts. EscalatorsICS:Ta slovenski standard je istoveten z:EN 81-50:2014SIST EN 81-50:2014en,fr,de01-oktober-2014SIST EN 81-50:2014SLOVENSKI
STANDARDSIST EN 81-2:1999SIST EN 81-1:1999+A3:20101DGRPHãþD

EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 81-50
August 2014 ICS 91.140.90 Supersedes EN 81-1:1998+A3:2009, EN 81-2:1998+A3:2009English Version
Safety rules for the construction and installation of lifts - Examinations and tests - Part 50: Design rules, calculations, examinations and tests of lift components
Règles de sécurité pour la construction et l'installation des élévateurs - Examens et essais - Partie 50: Règles de conception, calculs, examens et essais des composants pour élévateurs
Sicherheitsregeln für die Konstruktion und den Einbau von Aufzügen - Prüfungen - Teil 50: Konstruktionsregeln, Berechnungen und Prüfungen von Aufzugskomponenten This European Standard was approved by CEN on 28 May 2014.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the 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, 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, Croatia, 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 and United Kingdom.
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Foreword . 4 Introduction . 5 1 Scope . 6 2 Normative references . 6 3 Terms and definitions . 7 4 List of significant hazards . 7 5 Design rules, calculations, examinations and tests . 8 5.1 General provisions for type examinations of safety components . 8 5.1.1 Object and extent of the tests . 8 5.1.2 General provisions . 9 5.2 Type examination of landing and car door locking devices . 9 5.2.1 General provisions . 9 5.2.2 Examination and tests . 10 5.2.3 Test particular to certain types of locking devices . 12 5.2.4 Type examination certificate . 13 5.3 Type examination of safety gear . 13 5.3.1 General provisions . 13 5.3.2 Instantaneous safety gear . 13 5.3.3 Progressive safety gear . 16 5.3.4 Comments . 19 5.3.5 Type examination certificate . 19 5.4 Type examination of overspeed governors . 19 5.4.1 General provisions . 19 5.4.2 Check on the characteristics of the overspeed governor . 20 5.4.3 Type examination certificate . 21 5.5 Type examination of buffers . 21 5.5.1 General provisions . 21 5.5.2 Samples to be submitted . 21 5.5.3 Test . 22 5.5.4 Type examination certificate . 25 5.6 Type examination of safety circuits containing electronic components and/or programmable electronic systems (PESSRAL) . 26 5.6.1 General provisions . 26 5.6.2 Test samples . 26 5.6.3 Tests . 27 5.6.4 Type examination certificate . 28 5.7 Type examination of ascending car overspeed protection means . 29 5.7.1 General provisions . 29 5.7.2 Statement and test sample . 29 5.7.3 Test . 29 5.7.4 Possible modification to the adjustments . 31 5.7.5 Test report . 31 5.7.6 Type examination certificate . 31 5.8 Type examination of unintended car movement protection means . 31 5.8.1 General provisions . 31 5.8.2 Statement and test sample . 32 5.8.3 Test . 33 5.8.4 Possible modification to the adjustments . 34 5.8.5 Test report . 35 5.8.6 Type examination certificate . 35 SIST EN 81-50:2014

Model form of type examination certificate . 73 Annex B (normative)
Programmable electronic systems in safety related
applications for lifts (PESSRAL) . 74 B.1 Common measures . 74 B.2 Specific measures . 76 B.3 Descriptions of possible measures . 78 Annex C (informative)
Example for calculation of guide rails . 83 C.1 General . 83 C.2 General configuration for lifts with safety gear . 85 C.2.1 Safety gear operation . 85 C.2.2 Normal operation, running . 87 C.2.3 Normal operation, loading . 88 Annex D (informative)
Calculation of traction – Example . 90 Annex E (informative)
Equivalent number of pulleys Nequiv - Examples . 92 Annex ZA (informative)
Relationship between this European Standard and the Essential Requirements of EU Directive 95/16/EC amended by Directive 2006/42/EC . 93 Bibliography . 94
1) Within CEN/TC 10 an interpretation committee has been established to answer questions about the spirit in which the experts have drafted the various clauses of this standard. All such interpretations are published within CEN TS 81-11 until incorporated by amendment into the standards concerned. SIST EN 81-50:2014

1 Scope This European Standard specifies the design rules, calculations, examinations and tests of lift components which are referred to by other standards used for the design of passenger lifts, goods passenger lifts, goods only lifts, and other similar types of lifting appliances. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 81-20:2014, Safety rules for the construction and installation of lifts – Lifts for the transport of persons and goods – Part 20: Passenger and goods passenger lifts EN 10025 (all parts), Hot rolled products of non-alloy structural steels - Technical delivery conditions EN 12385-5, Steel wire ropes - Safety - Part 5: Stranded ropes for lifts EN 60068-2-6, Environmental testing - Part 2: Tests - Test Fc: Vibration (sinusoidal) (IEC 60068-2-6) EN 60068-2-14, Environmental testing - Part 14: Tests –Test N. Change of temperature (IEC 60068-2-14) EN 60068-2-27, Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock (IEC 60068-2-27) EN 60112, Method for the determination of the proof and the comparative tracking indices of solid insulating materials (IEC 60112) EN 60664-1:2007, Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests (IEC 60664-1:2007) EN 60947-4-1, Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters (IEC 60947-4-1) EN 60947-5-1, Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices (IEC 60947-5-1) EN 61508-1:2010, Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 1: General requirements (IEC 61508-1:2010) EN 61508-2:2010, Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 2: Requirements for electrical/electronic/programmable electronic safety-related systems (IEC 61508-2:2010) EN 61508-3:2010, Functional safety of electrical/electronic/programmable electronic safety related systems - Part 3: Software requirements (IEC 61508-3:2010) EN 61508-7:2010, Functional safety of electrical/electronic/programmable electronic safety related systems - Part 7: Overview of techniques and measures (IEC 61508-7:2010) EN ISO 12100:2010, Safety of machinery - General principles for design - Risk assessment and risk reduction (ISO 12100:2010) SIST EN 81-50:2014

organization or manufacturer, operating an approved full quality assurance system to undertake testing of safety components 3.2 safety component
component provided2) to fulfil a safety function when in use 3.3 type examination certificate
document issued by an approved body carrying out a type-examination in which it certifies that the product example under consideration complies with the provisions applicable to it 4 List of significant hazards This clause contains all the significant hazards, hazardous situations and events, as far as they are dealt with in this standard, identified by risk assessment as significant for this type of machinery and which require action to eliminate or reduce the risk (see Table 1).
2) Under the Lifts Directive there is a list of items considered as safety components including safety gear, speed governor, landing door locks, etc. For the purposes of this standard other components may also be regarded as safety components where the aim is to certify their safe operation by type testing.
as listed in Annex B of EN ISO 12100:2010 Relevant clauses 1 Mechanical hazards due to:
Acceleration, deceleration (kinetic energy) 5.3; 5.4; 5.5; 5.7; 5.8; 5.9 Approach of a moving element to a fixed part 5.2 1 Mechanical hazards due to: (continued)
Elastic elements 5.10; 5.11; 5.12; 5.13 Falling objects 5.3; 5.4; 5.5; 5.9 Gravity (stored energy) 5.3; 5.4; 5.5; 5.9 Height from the ground 5.3; 5.4; 5.5; 5.9 High pressure 5.13 Moving elements 5.2; 5.3; 5.4; 5.5; 5.6; 5.7; 5.8; 5.9; 5.10; 5.11; 5.12; 5.13; 5.14; 5.15; 5.16 Rotating elements 5.4; 5.11; 5.12 Stability 5.10; 5.11; 5.12; 5.13; 5.14 Strength 5.10; 5.11; 5.12; 5.13; 5.14 2 Electrical hazards
Arc 5,2; 5.4; 5.6; 5.7; 5.8; 5.15; 5.16 Electrostatic phenomena 5,2; 5.4; 5.6; 5.7; 5.8; 5.15; 5.16 Live parts 5,2; 5.4; 5.6; 5.7; 5.8; 5.15; 5.16 Not enough distance to live parts under high voltage 5,2; 5.4; 5.6; 5.7; 5.8; 5.15; 5.16 Overload 5,2; 5.4; 5.6; 5.7; 5.8; 5.15; 5.16 Parts which have become live under faulty conditions 5,2; 5.4; 5.6; 5.7; 5.8; 5.15; 5.16 Short-circuit 5,2; 5.4; 5.6; 5.7; 5.8; 5.15; 5.16 6 Hazards generated by radiation
Low frequency electromagnetic radiation 5.6; 5.15; 5.16 Radio frequency electromagnetic radiation 5.6; 5.15; 5.16 9 Hazards associated with the environment in which the machine is used 5.2; 5.3; 5.4; 5.5; 5.6; 5.7; 5.8; 5.9; 5.10; 5.11; 5.12; 5.13; 5.14; 5.15; 5.16
5 Design rules, calculations, examinations and tests 5.1 General provisions for type examinations of safety components 5.1.1 Object and extent of the tests The safety component/device is submitted to a test procedure to verify that insofar as construction and operation are concerned, it conforms to the requirements imposed by this standard. It shall be checked in particular that the mechanical, electrical and electronic components of the device are properly rated and that in the course of time the device does not lose its effectiveness, particularly through wear or aging. If the safety component is needed to satisfy particular requirements (waterproof, dust proof or explosion proof construction) supplementary examinations and/or tests under appropriate criteria shall be made. SIST EN 81-50:2014

5.3.2.3.2 Permissible mass The permissible mass in kilograms will be: a) If the elastic limit has not been exceeded: hg2K2 = )Q + P(n1⋅⋅⋅ K is calculated by the integration of the area defined in 5.3.2.2.3.2 a); 2 is taken as the dividing safety coefficient. b) If the elastic limit has been exceeded, two calculations shall be made and the higher permissible mass may be selected: 1) hg2K2
)Q + P(n11⋅⋅⋅= K1 is calculated by the integration of the area defined in 5.3.2.2.3.2 b) 1); SIST EN 81-50:2014
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