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1、 IEC 61496-1 Edition 2.0 2007-09 INTERNATIONAL STANDARD NORME INTERNATIONALE Safety of machinery Electro-sensitive protective equipment Part 1: General requirements and tests Scurit des machines Equipements de protection lectro-sensibles Partie 1: Prescriptions gnrales et essais IEC 61496-1 A1:2007
2、AMENDMENT 1 AMENDEMENT 1 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Spiller, Kevin Not for Resale, 10/07/2007 22:12:30 MDTNo reproduction or networking permitted without license from IHS -,-,- THIS PUBLICATION IS
3、COPYRIGHT PROTECTED Copyright 2007 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from eithe
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17、ou contactez-nous: Email: csciec.ch Tl.: +41 22 919 02 11 Fax: +41 22 919 03 00 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Spiller, Kevin Not for Resale, 10/07/2007 22:12:30 MDTNo reproduction or networking permit
18、ted without license from IHS -,-,- IEC 61496-1 Edition 2.0 2007-09 INTERNATIONAL STANDARD NORME INTERNATIONALE Safety of machinery Electro-sensitive protective equipment Part 1: General requirements and tests Scurit des machines Equipements de protection lectro-sensibles Partie 1: Prescriptions gnra
19、les et essais INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE H ICS 13.110; 29.260.99 PRICE CODE CODE PRIX ISBN 2-8318-9316-X AMENDMENT 1 AMENDEMENT 1 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees
20、/1111111001, User=Spiller, Kevin Not for Resale, 10/07/2007 22:12:30 MDTNo reproduction or networking permitted without license from IHS -,-,- 2 61496-1 Amend. 1 IEC:2007 FOREWORD This amendment has been prepared by IEC technical committee 44: Safety of machinery Electrotechnical aspects. The text o
21、f this amendment is based on the following documents: FDIS Report on voting 44/560/FDIS 44/568/RVD Full information on the voting for the approval of this amendment can be found in the report on voting indicated in the above table. The committee has decided that the contents of this amendment and th
22、e base publication will remain unchanged until the maintenance result date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. _ Page 11 1
23、 Scope Add, after the third paragraph, the following new paragraph: While a data interface can be used to control optional safety-related ESPE functions (Annex A), this standard does not provide specific requirements. Requirements for these safety-related functions can be determined by consulting ot
24、her standards (for example, IEC 61508, IEC/TS 62046, IEC 62061, and ISO13849-1). 2 Normative references Add, to the existing list, the title of the following standard: IEC 62061, Safety of machinery Functional safety of safety-related electrical, electronic and programmable electronic control system
25、s Page 15 3 Terms and definitions Replace definition 3.5 by the following new definition: 3.5 electro-sensitive protective equipment ESPE assembly of devices and/or components working together for protective tripping or presence- sensing purposes and comprising as a minimum Copyright International E
26、lectrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Spiller, Kevin Not for Resale, 10/07/2007 22:12:30 MDTNo reproduction or networking permitted without license from IHS -,-,- 61496-1 Amend. 1 IEC:2007 3 a sensing device; controlling/monitoring d
27、evices; output signal switching devices and/or a safety-related data interface NOTE 1 The safety-related control system associated with the ESPE, or the ESPE itself, may further include a secondary switching device, muting functions, stopping performance monitor, etc. (see Annex A). NOTE 2 A safety-
28、related communication interface can be integrated in the same enclosure as the ESPE. Replace, on page 19, definitions 3.16 and 3.17 by the following new definitions: 3.16 OFF-state state of the output(s) of the ESPE in which the machine under control is caused to stop running and is prevented from s
29、tarting (for example, the output circuit is interrupted and disables the flow of current) 3.17 ON-state state of the output(s) of the ESPE in which the machine under control is allowed to run (for example, the output circuit is complete and enables the flow of current) 3.21 response time Add, after
30、the text of definition 3.21, the following new notes: NOTE 1 When an ESPE includes a safety-related data interface, the response time is defined at the output of the safety-related data interface. NOTE 2 When a safety-related communication interface is included in the ESPE enclosure, then the respon
31、se time is defined at the output of the safety-related communication interface. In this case, the response time is also dependent on the protocol and architecture of the communication network. NOTE 3 If an ESPE has both a safety-related data interface and OSSDs, the ESPE can have a different respons
32、e time for the safety-related data interface and for the OSSDs. Add, on page 21,after definition 3.28, the following new definitions: 3.29 safety-related data interface direct connection (peer-to-peer) interface between the output of the ESPE and the safety- related communication interface that is u
33、sed to represent the status of the OSSD(s) NOTE 1 A data interface will not have addressing capability. NOTE 2 The safety-related data interface can be bi-directional. 3.30 safety-related communication interface safety-related connection to a standardized communication network intended for safety- r
34、elated control functions Page 23 4 Functional, design and environmental requirements 4.1.3 Types of ESPE Add, at the end of this subclause, the following last sentence: Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=S
35、piller, Kevin Not for Resale, 10/07/2007 22:12:30 MDTNo reproduction or networking permitted without license from IHS -,-,- 4 61496-1 Amend. 1 IEC:2007 When a single safety-related data interface is used to perform the functions of the OSSD(s), then the data interface and associated safety-related c
36、ommunication interface shall meet the requirements of 4.2.4.4. In this case, a single safety-related data interface can substitute for two OSSDs in a type 3 or type 4 ESPE. 4.2.2.1 General Add, on page 24, at the end of the subclause, the following text: When an ESPE uses a safety-related communicat
37、ion interface to perform the OSSD functions, the fault-detection requirements in 4.2.2.3 to 4.2.2.5 can be modified to include requirements given in IEC 62061/IEC 61508 in accordance with the appropriate SIL (for example, SIL 3 for Type 4, SIL 2 for Type 3 and SIL 1 for Type 2). 4.2.4.1 General Add,
38、 on page 31, the following last paragraph: A reference to an OSSD action (for example, go to the OFF-state) will also mean a corresponding action of a safety-related data interface. A single safety-related data interface can meet the requirements of having two OSSDs. 4.2.4.4 Data communication inter
39、faces (I/O) Replace, on page 33, the title and text of this subclause by the following: 4.2.4.4 Safety-related data interface and safety-related communication interface When the sensing device is actuated during normal operation, the ESPE shall respond by sending information indicating the status of
40、 the sensing device or ESPE through a safety- related data interface. The status information is converted to a data telegram by a safety- related communication interface. The safety-related data interface shall have the same protection against faults as is appropriate for the type of ESPE. Depending
41、 on the ESPE design, the safety-related communication interface can either be external in a separate enclosure (Figure 1a) or it can be integrated in the same enclosure of the ESPE (Figure 1b). The safety-related communication interface shall meet the relevant requirements of IEC 62061/IEC 61508 for
42、 an appropriate SIL (for example, SIL 3 for Type 4, SIL 2 for Type 3 and SIL 1 for Type 2) in addition to the requirements of this standard (IEC 61496-1). When the safety-related communication interface is integrated in the ESPE, the entire ESPE shall meet the relevant requirements of IEC 62061/IEC
43、61508. NOTE Because of the specific technology of communication interfaces, different standards from IEC 61496-1 apply. To avoid overlapping with other standards, functional requirements for the safety-related communication interface are not defined in this standard. Copyright International Electrot
44、echnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Spiller, Kevin Not for Resale, 10/07/2007 22:12:30 MDTNo reproduction or networking permitted without license from IHS -,-,- 61496-1 Amend. 1 IEC:2007 5 Safety-related communication interface Sensing de
45、vice Control/monitoring device Safety-related data interface ESPE Safety-related communication interface Sensing device Control/monitoring device Safety-related data interface a) b) IEC 1798/07 Figure 1 Examples of ESPEs using safety-related communication interfaces 4.2.6 Adjustment means Replace th
46、is subclause with the following text: All adjustment means shall be so designed that a failure to danger is not possible at any point in the range of adjustment. A failure in the adjustment means shall not cause an unintended change to the configuration of the ESPE. 4.2.11.2 Requirements Replace, on
47、 page 35, item a) of this subclause by the following new item a): a) The software, device programme and the device function design shall be developed in accordance with IEC 61508-3 for the appropriate SIL (for example, SIL3 for Type 4, SIL2 for Type 3 or SIL1 for Type 2). 4.3.2.2 Supply voltage inte
48、rruptions Add, on page 39, at the end of the subclause, the following new paragraph: When the ESPE is designed to be supplied from a specific type of power supply(s) (for example, supplied direct from a safety-related communication interface), the supply interruptions in this clause may be applied to the primary input of the specified power supply instead of direct to the ESPE. Copyright International Electrotechnical Commission Provided by IHS under licen