EN ISO 23125:2010/A1:2012

SLOVENSKI STANDARD
SIST EN ISO 23125:2010/oprA1:2011
01-maj-2011
Obdelovalni stroji - Varnost - Stroji za struženje - Dopolnilo 1 (ISO 23125:2010/DAM
1:2011)
Machine tools - Safety - Turning machines - Amendment 1 (ISO 23125:2010/DAM
1:2011)
Werkzeugmaschinen - Sicherheit - Drehmaschinen - Änderung 1 (ISO 23125:2010/DAM
1:2011)
Machines-outils - Sécurité - Machines de tournage - Amendement 1 (ISO
23125:2010/DAM 1:2011)
Ta slovenski standard je istoveten z: EN ISO 23125:2010/prA1
ICS:
13.110 Varnost strojev Safety of machinery
25.080.10 Stružnice Lathes
SIST EN ISO 23125:2010/oprA1:2011 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

SIST EN ISO 23125:2010/oprA1:2011

SIST EN ISO 23125:2010/oprA1:2011

EUROPEAN STANDARD
DRAFT
EN ISO 23125:2010
NORME EUROPÉENNE
EUROPÄISCHE NORM
prA1
January 2011
ICS 25.080.01
English Version
Machine tools - Safety - Turning machines - Amendment 1 (ISO
23125:2010/DAM 1:2011)
Machines-outils - Sécurité - Machines de tournage -
Amendement 1 (ISO 23125:2010/DAM 1:2011)
This draft amendment is submitted to CEN members for parallel enquiry. It has been drawn up by the Technical Committee CEN/TC 143.

This draft amendment A1, if approved, will modify the European Standard EN ISO 23125:2010. If this draft becomes an amendment, CEN
members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of this amendment
into the relevant national standard without any alteration.

This draft amendment was established by CEN 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,
Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to
provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2011 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 23125:2010/prA1:2011: E
worldwide for CEN national Members.

SIST EN ISO 23125:2010/oprA1:2011
EN ISO 23125:2010/prA1:2011 (E)
Contents Page
Foreword .3

SIST EN ISO 23125:2010/oprA1:2011
EN ISO 23125:2010/prA1:2011 (E)
Foreword
This document (EN ISO 23125:2010/prA1:2011) has been prepared by Technical Committee ISO/TC 39
"Machine tools" in collaboration with Technical Committee CEN/TC 143 “Machine tools - Safety” the
secretariat of which is held by SNV.
This document is currently submitted to the parallel Enquiry.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association, and supports essential requirements of EU Directive(s).
Endorsement notice
The text of ISO 23125:2010/DAM 1:2011 has been approved by CEN as a EN ISO 23125:2010/prA1:2011
without any modification.
SIST EN ISO 23125:2010/oprA1:2011

SIST EN ISO 23125:2010/oprA1:2011

DRAFT AMENDMENT ISO 23125:2010/DAM 1
ISO/TC 39/SC 10 Secretariat: SNV
Voting begins on Voting terminates on

2011-01-20 2011-06-20
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION  •  МЕЖДУНАРОДНАЯ ОРГАНИЗАЦИЯ ПО СТАНДАРТИЗАЦИИ  •  ORGANISATION INTERNATIONALE DE NORMALISATION

Machine tools — Safety — Turning machines
AMENDMENT 1
Machines-outils — Sécurité — Machines de tournage
AMENDEMENT 1
ICS 25.080.01
ISO/CEN PARALLEL PROCESSING
This draft has been developed within the International Organization for Standardization (ISO), and
processed under the ISO-lead mode of collaboration as defined in the Vienna Agreement.
This draft is hereby submitted to the ISO member bodies and to the CEN member bodies for a parallel
five-month enquiry.
Should this draft be accepted, a final draft, established on the basis of comments received, will be
submitted to a parallel two-month approval vote in ISO and formal vote in CEN.

To expedite distribution, this document is circulated as received from the committee
secretariat. ISO Central Secretariat work of editing and text composition will be undertaken at
publication stage.
Pour accélérer la distribution, le présent document est distribué tel qu'il est parvenu du
secrétariat du comité. Le travail de rédaction et de composition de texte sera effectué au
Secrétariat central de l'ISO au stade de publication.

THIS DOCUMENT IS A DRAFT CIRCULATED FOR COMMENT AND APPROVAL. IT IS THEREFORE SUBJECT TO CHANGE AND MAY NOT BE
REFERRED TO AS AN INTERNATIONAL STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS BEING ACCEPTABLE FOR INDUSTRIAL, TECHNOLOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON OCCASION HAVE TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL TO BECOME
STANDARDS TO WHICH REFERENCE MAY BE MADE IN NATIONAL REGULATIONS.
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT, WITH THEIR COMMENTS, NOTIFICATION OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPORTING DOCUMENTATION.
©  International Organization for Standardization, 2011

SIST EN ISO 23125:2010/oprA1:2011
ISO 23125:2010/DAM 1
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ii © ISO 2011 – All rights reserved

SIST EN ISO 23125:2010/oprA1:2011
ISO 23125:2010/PDAM 1
Contents Page
Foreword .iv
Introduction.v

DRAFT 2011
SIST EN ISO 23125:2010/oprA1:2011
ISO 23125:2010/PDAM 1
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member 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, governmental 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 Directives, 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 bodies 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.
Amendment 1 to ISO 23125:2010 was prepared by Technical Committee ISO/TC 39, Machine Tools - Safety,
Subcommittee SC 10, and by Technical Committee CEN/TC 143, Machine tools - Safety in collaboration.
iv © ISO 2010 – All rights reserved

DRAFT 2011
SIST EN ISO 23125:2010/oprA1:2011
ISO 23125:2010/PDAM 1
Introduction
During the FDIS voting period the validity of EN 954-1, Safety of machinery — Safety related parts of control
systems, has been prolonged. Therefore several ISO members commented for re-introducing reference to EN
954-1 in ISO 23125.
In the WG meeting after the FDIS vote it was accepted to re-introduce reference to EN 954-1. However, these
th
comments were discussed and accepted at the 7 meeting of the ISO/ TC 39/ SC 10/ WG3 in Frankfurt
(2010-02-15) but not accepted by ISO/CS as editorial comments. Therefore this amendment has been
produced, which follows comments and proposals of the ISO members in their FDIS vote to ISO 23125.
DRAFT 2011
SIST EN ISO 23125:2010/oprA1:2011

SIST EN ISO 23125:2010/oprA1:2011
ISO 23125:2010/PDAM 1
Machine tools — Safety — Turning machines
AMENDMENT 1
th
Introduction, replace 5 paragraph, “This International standard replaces … per hour.” by
This International Standard references the “safety categories” in EN 954-1:1996 as resistance to faults and
their subsequent behaviour in the fault condition together with the “performance level” defined in ISO 13849-
1:2006 in terms of probability of dangerous failure per hour. It is the decision of the user of the standard to
1)
apply “safety categories” or “performance levels” .
Clause 2, add
ISO 11161:2007+A1:2010, Safety of machinery — Integrated manufacturing systems — Basic requirements.
EN 954-1:1996, Safety of machinery — Safety related parts of control systems — Part 1: General principles
for design.
All other references shall be checked and updated, if appropriate.
Clause 3, replace 1st paragraph by
For the purposes of this document, the terms and definitions given in ISO 12100-1:2003,
ISO 13849-1:2006 and EN 954-1:1996 and the following apply.
Clause 3.1, add clause 3.1.10 after clause 3.1.9
3.1.10
category
classification of safety-related parts of a control system in respect of its resistance to fault and its subsequent
behaviour in the fault condition , and which is achieved by the structural arrangement of the parts and/or their
reliability
[EN 954-1:1996, definition 3.2.]
Clause 3.3.1, delete the NOTE.
Clause 4.2, Table 3, line “A.4”, column “relevant type B standard”,
(page 2 of Table 3, page 18 of the standard):
Introduce EN 954-1 before EN 982.

1)
The application of EN 954-1:1996 in harmonized standards has been prolonged until 2011-12-31. After that

date, "performance levels" according to ISO 13849-1:2006 are to be applied.
DRAFT 2011
SIST EN ISO 23125:2010/oprA1:2011
ISO 23125:2010/PDAM 1
Clause 5.1, replace 3rd and 4th paragraphs, “The designer shall … considered individually.” by
The designer shall take into account hazards which can occur during the life of the machine to both operator
and other persons who have access to the hazard zone(s) for conditions of intended use, including reasonably
foreseeable misuse of the machine (see ISO 12100-1:2003, 3.22 and 3.23). The hazards for both machining
operation and/or operations requiring intervention by the operator and/or other persons (e. g. setting, cleaning,
maintenance and repair) shall be considered. An analysis of the failure of machine components, including
failure in the control system(s), is part of the risk assessment and guidance on this subject and is given in
ISO 13849-1:2006 or in EN 954-1:1996. Therefore, reliability requirements for safety functions are defined as
performance level (PL), in accordance with ISO 13849-1:2006, or as category, in accordance with EN 954-
1:1996. [see 5.11 b)].
Each machine shall be designed and safeguarded in accordance with the specific requirements and/or
protective measures listed in Clause 5. For some of the requirements, this International Standard offers the
choice between two performance levels or two categories [see 5.11 b)]. In cases not specified in 5.11 b)
categories according to EN 954-1 or performance levels according to ISO 13849-1 shall be determined based
on an appropriate risk
...