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1、BRITISH STANDARD BS EN 61326-2-5:2006 Electrical equipment for measurement, control and laboratory use EMC requirements Part 2-5: Particular requirements Test configurations, operational conditions and performance criteria for field devices with interfaces according to IEC 61784-1, CP 3/2 The Europe
2、an Standard EN 61326-2-5:2006 has the status of a British Standard ICS 25.040.40; 33.100 ? Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Wed Aug 15 19:50:37 GMT+00:00 2007, Uncontrolled Copy, (c) BSI BS EN 61326-2-5:2006 This British Standard was published under the autho
3、rity of the Standards Policy and Strategy Committee on 31 January 2007 BSI 2007 ISBN 978 0 580 50045 9 National foreword This British Standard was published by BSI. It is the UK implementation of EN 61326-2-5:2006. It is identical with IEC 61326-2-5:2006. Together with BS EN 61326-1:2006, BS EN 6132
4、6-2-1:2006, BS EN 61326-2-2:2006, BS EN 61326-2-3:2006, BS EN 61326-2-4:2006 and BS EN 61326-2-6:2006 supersedes BS EN 61326:1998 which will be withdrawn no later than 1 February 2009. The UK participation in its preparation was entrusted by Technical Committee GEL/65, Measurement and control, to Su
5、bcommittee GEL/65/1, System considerations. A list of organizations represented on GEL/65/1 can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a Briti
6、sh Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. DateComments Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Wed Aug 15 19:50:37 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD EN 61326-2-5 NORME EUROPENNE
7、 EUROPISCHE NORM October 2006 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2006 CENELEC - All rights of exploitation in any f
8、orm and by any means reserved worldwide for CENELEC members. Ref. No. EN 61326-2-5:2006 E ICS 25.040.40; 33.100 Supersedes EN 61326:1997 + A1:1998 + A2:2001 + A3:2003 English version Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 2-5: Particular requiremen
9、ts - Test configurations, operational conditions and performance criteria for field devices with interfaces according to IEC 61784-1, CP 3/2 (IEC 61326-2-5:2006) Matriel lectrique de mesure, de commande et de laboratoire - Exigences relatives la CEM - Partie 2-5: Exigences particulires - Configurati
10、ons dessai, conditions de fonctionnement et critres daptitude la fonction pour les dispositifs en exploitation avec des interfaces conformes la CEI 61784-1, CP 3/2 (CEI 61326-2-5:2006) Elektrische Mess-, Steuer-, Regel- und Laborgerte - EMV-Anforderungen Teil 2-5: Besondere Anforderungen - Prfanordn
11、ungen, Betriebsbedingungen und Leistungsmerkmale fr Feldgerte mit Schnittstellen gem IEC 61784-1, CP 3/2 (IEC 61326-2-5:2006) This European Standard was approved by CENELEC on 2006-09-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for
12、 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 Central Secretariat or to any CENELEC member. This European Standard exists in three offic
13、ial versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical commi
14、ttees of Austria, Belgium, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom
15、. Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Wed Aug 15 19:50:37 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 61326-2-5:2006 2 Foreword The text of document 65A/474/FDIS, future edition 1 of IEC 61326-2-5, prepared by SC 65A, System aspects, of IEC TC 65, Industrial-p
16、rocess measurement and control, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 61326-2-5 on 2006-09-01. The EN 61326 series supersedes EN 61326:1997 + corrigendum September 1998 + A1:1998 + A2:2001 + A3:2003. This part of EN 61326 is to be used in conjunction with E
17、N 61326-1 and follows the same numbering of clauses, subclauses, tables and figures as that standard. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2007-06-01 latest date by
18、 which the national standards conflicting with the EN have to be withdrawn (dow) 2009-09-01 This European Standard has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association and covers essential requirements of EC Directive 89/336/EEC. See A
19、nnex ZZ. Annexes ZA and ZZ have been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 61326-2-5:2006 was approved by CENELEC as a European Standard without any modification. _ Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Wed Aug 15 19:50:
20、37 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 3 EN 61326-2-5:2006 ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL AND LABORATORY USE EMC REQUIREMENTS Part 2-5: Particular requirements Test configurations, operational conditions and performance criteria for field devices with interfaces according to IE
21、C 61784-1, CP 3/2 1 Scope In addition to the requirements of IEC 61326-1, this part of IEC 61326 treats the particular features for EMC testing of field devices with interfaces according to IEC 61784-1, CP 3/2. This part of IEC 61326 covers only the field-bus interface of the equipment. NOTE The oth
22、er functions of the equipment are covered by other parts of the IEC 61326 series. This part of IEC 61326 refers only to field devices intended for use in process control and process measuring. For interface operation and the interface parameters, this part of IEC 61326 is in accordance with IEC 6178
23、4-1, CP 3/2. That standard specifies a set of protocol specific communication profiles based on the IEC 61158 series. The manufacturer specifies the environment for which the product is intended to be used and/or selects the appropriate test level specifications of IEC 61326-1. 2 Normative reference
24、s The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. Clause 2 of IEC 61326-1 applies, except as foll
25、ows: Addition: IEC 61326-1:2005, Electrical equipment for measurement, control and laboratory use EMC requirements Part 1: General requirements IEC 61158 (all parts), Digital data communications for measurement and control Field-bus for use in industrial control systems IEC 61158-2, Digital data com
26、munications for measurement and control Field-bus for use in industrial control systems Part 2 :Physical layer specification and service definition IEC 61158-3, Digital data communications for measurement and control Field-bus for use in industrial control systems Part 3 :Data link service definitio
27、n Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Wed Aug 15 19:50:37 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 61326-2-5:2006 4 IEC 61158-5, Digital data communications for measurement and control Field-bus for use in industrial control systems Part 5 : Application lay
28、er service definition IEC 61158-6, Digital data communications for measurement and control Field-bus for use in industrial control systems Part 6 : Application layer protocol specification IEC 61784 (all parts1), Digital data communications for measurement and control IEC 61784-1, Digital data commu
29、nications for measurement and control Part 1 : Profile sets for continuous and discrete manufacturing relative to fieldbus use in industrial control systems 3 Terms and definitions Clause 3 of IEC 61326-1 applies. 4 General Clause 4 of IEC 61326-1 applies. 5 EMC test plan 5.1 General Subclause 5.1 o
30、f IEC 61326-1 applies. 5.2 Configuration of EUT during testing Subclause 5.2 of IEC 61326-1 is applicable, except as follows: Addition: 5.2.101 Test configuration In order to assign any malfunction of the communication during the EMC test to the EUT, the configuration of field devices with interface
31、s according to IEC 61784-1, CP 3/2, shall be limited to the operation of one master and one slave (EUT) during EMC type tests. For the slave, auxiliary connections for power supply or signalling are possible. The slave is connected via a three-port field distributor with the signal coupler. The sign
32、al coupler is connected to the automation system. A standardized field-bus terminator is attached at the third port of the field distributor. The components EUT, signal coupler, field distributor and terminator are connected by means of a standardized field-bus cable. 1 Other parts are under conside
33、ration. Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Wed Aug 15 19:50:37 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 标准分享网 www. b z f x w. c o m 5 EN 61326-2-5:2006 The shield shall be connected at any individual component by a low-impedance grounding strip (connection be
34、tween the shield and the case with a large surface). The individual cable lengths L1, L2, L3 originate from a practice-adjusted setup, such as the one given in Figure 101. The cable length L4 should be in the range of 8 m, in the case where the respective basic standards do not specify other lengths
35、. The cable installation shall be in accordance with the appropriate basic standard. The connection of the shield at the shield grounding point may be produced by partially removing the isolation of the cable shield and fixing the cable shield with a metal clamp or by means of conductive leading-in
36、conductors such as a metallic cable gland at the ground plane or at the shielding metal wall, respectively. The location and execution of the shield grounding point depends on the given test facility; for example, by use of an anechoic chamber or a shielded cabin, it is the metal wall penetration; a
37、nd with tests on tables with ground plane the shield grounding point is on the ground plane. 5.2.102 Connection line A standard bus cable type A shall be used as the communication line (see 11.8.2 of IEC 61158-2:2003). The cable lengths L1 to L3 are given in Figure 101 and L4 is described in 5.2.101
38、. 5.2.103 Connections at the EUT The grounding of the EUT and the shield connections shall be in accordance with the manufacturers specification. 5.2.104 Field-bus network for EMC test The field-bus network includes the terminator of the bus line, a field distributor, a signal coupler, the automatio
39、n system and the EUT. The evaluation and conditioning of the data in the signal coupler and the automation system is not the object of this part of IEC 61326. The field distributor and the bus terminator are passive components only. Licensed Copy: Institute Of Technology Tallaght, Institute of Techn
40、ology, Wed Aug 15 19:50:37 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 61326-2-5:2006 6 L1 = 8 m A C D E F B 2 L2 = 2 m L3 = 2 m 4 1 3 5 L4 IEC 1063/06 Key A automation system (master) 1 shield grounding point (SGP) B field device (EUT, slave) 2 shield connected with low impedance C signal coupler
41、 (actual version) 3 connection (see 5.2.101) D EMC test place 4 cable from distributor to SGP E three-port field distributor 5 cable from SGP to field device F terminator Figure 101 Test setup for EMC testing Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Wed Aug 15 19:50:
42、37 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 标准分享网 www. b z f x w. c o m 7 EN 61326-2-5:2006 5.3 Operation conditions of EUT during testing Subclause 5.3 of IEC 61326-1 is applicable, except as follows: Addition: 5.3.101 Operational conditions The operating conditions describe the software settings
43、 at the field device (EUT) and at the automation system. The master connected to the signal coupler is set as “master class 1“, the EUT as “slave“. The cyclic operating mode shall be used. The parameter “retry limit“ shall be set to 2 at the master. This means that, after three consecutive transmiss
44、ion errors (bus-line break down or slave not working), the master (automation system) sets the status to “0“. The general bus parameters for the cyclic data exchange in Table 84 of IEC 61158-3:2003 shall be taken into account. 5.3.102 Status The field bus controller, in conjunction with the automati
45、on system, monitors the received data of the EUT. The received data is of the data type QualifiedFloat32 or QualifiedUnsigned8 as defined in 5.3.3.12 or 5.3.3.13 of IEC 61158-5. Those data types are of the format STRUCTURE and have a field named Status. For the automation system and the test evaluat
46、ion, the quality in the Status is significant. In the case of received data, only four qualities can appear (extract taken from 13.1.1.3.2.2 of IEC 61158-6): “Good (Cascade)“ means that the Status is in the range between 192 and 255 “Good (Non Cascade)“ means that the Status is in the range between
47、128 and 191 “Uncertain“ means that the Status is in the range between 64 and 127 “Bad“ means that the Status is in the range between 0 and 63 The EUT shall preferably be configured so that the value of the Status is 128. Other values for the Status are allowed if they enable the evaluation of the fu
48、nction of the EUT. However, values of the Status indicating a disturbed communication shall be avoided. If a Status value deviating from 128 is chosen, the reasons for this decision shall be given in the test report. 5.3.103 Monitoring a) The Status shall be monitored. b) The measuring value shall b
49、e monitored. If the allowed tolerances are not specified in an appropriate part of IEC 61326, the values specified by the manufacturer may be used. Licensed Copy: Institute Of Technology Tallaght, Institute of Technology, Wed Aug 15 19:50:37 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 61326-2-5:2006 8 5.4 Specification of performance criteria Subclau