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1、BRITISH STANDARD BS EN 60870-6-601: 1995 IEC 870-6-601: 1994 Telecontrol equipment and systems Part 6: Telecontrol protocols compatible with ISO standards and ITU-T recommendations Section 601: Functional profile for providing the connection-oriented transport service in end system connected via per
2、manent access to a packet switched data network The European Standard EN 60870-6-601:1995 has the status of a British Standard Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 09:23:45 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60870-6-601:1995 This British Standard, having been prepared
3、 under the direction of the Electrotechnical Sector Board, was published under the authority of the Standards Board and comes into effect on 15 September 1995 BSI 11-1999 The following BSI references relate to the work on this standard: Committee reference PEL/57 Draft for comment 93/205001 DC ISBN
4、0 580 24633 7 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee PEL/57, Power system control and associated communications, upon which the following bodies were represented: Association of Consulting Engineers BEAMA Ltd. BE
5、AMA Metering Association (BMA) EEA (Association of Electronics, Telecommunications and Business Equipment Industries) Electricity Association GAMBICA (BEAMA Ltd.) Transmission and Distribution Association (BEAMA Ltd.) Amendments issued since publication Amd. No.DateComments Licensed Copy: sheffieldu
6、n sheffieldun, na, Sat Nov 11 09:23:45 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60870-6-601:1995 BSI 11-1999i Contents Page Committees responsibleInside front cover National forewordii Foreword2 Text of EN 60870-6-6013 List of referencesInside back cover Licensed Copy: sheffieldun sheffieldu
7、n, na, Sat Nov 11 09:23:45 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60870-6-601:1995 ii BSI 11-1999 National foreword This British Standard has been prepared by Technical Committee PEL/57 and is the English language version of EN 60870-6-601:1995 Telecontrol equipment systems Part 6: Telecon
8、trol protocols compatible with ISO standards and ITU-T recommendations Section 601. Functional profile for providing the connection-oriented transport service in end system connected via permanent access to a packet switched data network published by the European Committee for Electrotechnical Stand
9、ardization (CENELEC). It is identical with IEC 870-6-601:1994 published by the International Electrotechnical Commission (IEC). A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Complia
10、nce with a British Standard does not of itself confer immunity from legal obligations. Cross-references Publication referred toCorresponding British Standard ISO 7776:1986BS 5397: High-level data link control (HDLC) procedures Part 7:1990 Specification for X.25 LAPB-compatible DTE data line procedur
11、es ISO 8072:1994aBS ISO/IEC 8072:1994 Information technology. Open Systems Interconnection. Transport service definition EN 28073:1993BS EN 28073:1994 Information technology. ISO/IEC 8073:1992Telecommunications and information exchange between systems. Open Systems Interconnection. Protocol for prov
12、iding the connection-mode transport service ISO/IEC 8208:1990BS ISO/IEC 8208:1990 Information technology. Data communications. X.25 packet layer protocol for data terminal equipment ISO/IEC 8348:1993BS ISO/IEC 8348:1993 Information technology. Open systems interconnection. Network service definition
13、 ISO/IEC 8878:1992BS ISO/IEC 8878:1992 Information technology. Telecommunications and information exchange between systems. Use of X.25 to provide the OSI connection-mode network service ISO/IEC TR 10029: 1989 BS 7267:1990 Open systems interconnection: guide to operation of an X.25 interworking unit
14、 BS ISO/IEC ISP 10609 Information technology. International Standardized Profiles TB, TC, TD and TE. Connection-mode Transport Service over connection-mode Network Service ISO/IEC ISP 10909-1: 1992 Part 1:1992 Subnetwork-type independent requirements for Group TB ISO/IEC ISP 10609-5: 1992 Part 5:199
15、2 Definition of profiles TB1111/TB1121 ISO/IEC ISP 10609-9: 1992 Part 9:1992 Subnetwork-type dependent requirements for Network Layer, Data Link Layer and Physical Layer concerning permanent access to a packet switched data network using virtual calls a ISO 8072:1994 has superseded the 1986 edition.
16、 Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 10, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendme
17、nt table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 09:23:45 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60870-6-601 February 1995 ICS 33.200 Descriptors: Telecontrol, data transmission, protocol, functional p
18、rofile, Open Systems Interconnection, connection-oriented transmission, service English version Telecontrol equipment and systems Part 6: Telecontrol protocols compatible with ISO standards ITU-T recommendations Section 601: Functional profile for providing the connection-oriented transport service
19、in end system connected via permanent access to a packet switched data network (IEC 870-6-601:1994) Matriels et systmes de tlconduite Partie 6: Protocoles de tlconduite compatibles avec les normes ISO et les recommandations de lUIT-T Section 601: Profil fonctionnel pour fournir le service de transpo
20、rt en mode connexion dans un systme dextrmit connect par un accs permanent un rseau de commmutation de paquets (CEI 870-6-601:1994) Fernwirkeinrichtungen und -systeme Teil 6: Fernwirkprotokolle, die mit ISO-Normen und ITU-T Empfehlungen kompatibel sind Hauptabschnitt 601: Funktionsprofil fr den verb
21、indungsorientierten Transportdienst in einem Endsystem mit Festlanschlu an ein paketvermittelndes Datennetz (IEC 870-6-601:1994) This European Standard was approved by CENELEC on 1995-02-15. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions
22、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 Central Secretariat or to any CENELEC member. This European Standard exists in three of
23、ficial 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 co
24、mmittees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique
25、Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels 1995 Copyright reserved to CENELEC members Ref. No. EN 60870-6-601:1995 E Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 09:23:45 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 60870-6-60
26、1:1995 2 BSI 11-1999 Foreword The text of document 57(CO)74, future edition 1 of IEC 870-6-601, prepared by IEC TC 57, Power system control and associated communications, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60870-6-601 on 1995-02-15. The following dates w
27、ere fixed: Contents Page Foreword2 Introduction3 1Scope3 2Normative references4 3Definitions and abbreviations5 3.1Definitions5 3.2Abbreviations5 4Scenario description5 5Profile protocol stacks5 6Conformance requirements6 6.1Transport Layer6 6.2Network Layer7 6.3Data Link Layer8 6.4Physical Layer8 A
28、nnex A (informative) Bibliography9 latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement(dop) 1996-02-15 latest date by which the national standards conflicting with the EN have to be withdrawn(dow) 1996-02-15 Licensed
29、Copy: sheffieldun sheffieldun, na, Sat Nov 11 09:23:45 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 60870-6-601:1995 BSI 11-19993 Introduction This section of IEC 870-6 defines functional profiles to be used in telecommunication networks for electric power systems. It is largely based on existing I
30、SO/IEC International Standards and International Standardized Profiles (ISP). The notion of Functional Profile is fundamental in the organization of IEC 870-6. A description of Functional Profiles, their classification scheme, and the manner of defining them are laid down in Part 6, Section 1. The p
31、resent section is a Transport-class Profile providing the COnnection-mode Transport Service (COTS) over the COnnection-mode Network Service (CONS) for the specific case of permanent access to a Packet Switched Data Network (PSDN). ISO defined a multi-part ISP for specification of COTS over CONS or C
32、LNS profiles: the ISP 10609. In the ISO taxonomy, it corresponds to Transport Profiles TB1111 for analog permanent access and TB1121 for digital permanent access to a PSDN. It makes frequent reference to the International Standardized Profiles ISO/IEC ISP 10609-1, ISO/IEC ISP 10609-5 and ISO/IEC ISP
33、 10609-9. 1 Scope This Functional Profile (FP) defines the provision of the OSI Connection-mode Transport Service between an End System (“The Reference End System”) which uses a Permanent Analog or Digital Circuit to access a Packet Switched Data Network (PSDN) and another End System (“The Compatibl
34、e End System”) which is accessible, by permanent or switched methods, either directly from the same PSDN, or indirectly through the provided OSI Connection-mode Network Service. This FP also defines the provision of the OSI Connection-mode Network Service between the Reference End System and the Com
35、patible End System using the X.25 subnetwork procedures to a PSDN. This FP is applicable to environments which support the OSI Network Service. In the ISO taxonomy four options are defined as a function of the transport protocol classes operated: Implementation of the option TD (class 0 only) requir
36、es that the End System does not operate any of the multiplexing classes (class 2, 3, or 4) of the Transport Protocol procedures. Such End Systems will only interwork with End Systems that also implement class 0 Transport Protocol procedures. Implementation of the other options (groups TB, TC, TE) in
37、 one End System, enables that End System to interwork with any End System conforming to ISO 8073. This FP recommends the implementation of classes 0, 2 and 4 in End Systems. In the ISO taxonomy such End Systems with permanent access to a PSDN are referenced with profiles TB1111 (for analog access) o
38、r TB1121 (for digital access). NOTEThe FP specifies a set of protocols to be used in the Reference End System in order to provide the function defined above. It does not specify total End System capability. The requirements placed on an End System in this section of IEC 870-6 are solely those necess
39、ary for operation of the protocol set specified. The format of this section is in conjunction with one of the ISO/IEC ISPs. These ISPs are defined in a multi-part way. For example, to define the profiles TB1111 and TB1121, the present section refers to the three different ISO/IEC ISPs, listed in cla
40、use 2. When applicable the present section follows ISO/IEC ISP 10609-1, ISO/IEC ISP 10609-5 and ISO/IEC ISP 10609-9. The present section defines some complementary specifications to ISP 10609. Those specifications mainly concern the priority management and the transport class negotiation. Group TB:i
41、ncludes transport protocol classes 0, 2 and 4, Group TC:includes transport protocol classes 0 and 2, Group TD:includes transport protocol class 0, Group TE:includes transport protocol class 2. Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 09:23:45 GMT+00:00 2006, Uncontrolled Copy, (c) BSI
42、EN 60870-6-601:1995 4 BSI 11-1999 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this section of IEC 870-6. At the time of publication, the editions indicated were valid. All normative documents are subject
43、to revision, and parties to agreements based on this section of IEC 870-6 are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. 57/201/DIS, T
44、elecontrol equipment and systems Part 6: Telecontrol protocols compatible with ISO standards and ITU-T recommendations Section 2: Use of base standards Layers 1 to 4 (future IEC 870-6-2). ISO 7776:1986, Information processing systems Data communications High-level data link control procedures Descri
45、ption of the X.25 LAPB-compatible DTE data link procedures. ISO 8072:1986, Information processing systems Open Systems Interconnection Transport service definition. ISO/IEC 8073:1992, Information technology Telecommunications and information exchange between systems Open Systems Interconnection Prot
46、ocol for providing the connection-mode transport service. ISO/IEC 8208:1990, Information technology Data communications X.25 Packet Layer Protocol for Data Terminal Equipment Amendment 3:1991, Conformance requirements. ISO 8348:1993, Information technology Open Systems Interconnection Network Servic
47、e Definition. ISO/IEC 8878:1992, Information technology Telecommunications and information exchange between systems Use of X.25 to provide the OSI Connection-mode Network Service. ITU-T X.21:1988, Interface between data terminal equipment (DTE) and data-terminating equipment (DCE) for synchronous op
48、eration on public data networks (PDNs). ITU-T X.21 bis:1988, Use on PDNs of DTE which is designed for interfacing to synchronous V-series modems. ITU-T X.25:1988, Interface between DTE and DCE for terminals operating in the packet mode and connected to public data networks by dedicated circuit. ISO
49、DIS 10732:1992, Information technology Telecommunications and information exchange between systems Use of X.25 Packet Layer Protocol to provide the OSI Connection-mode Network Service over the telephone network. ISO DIS 10588:1992, Information technology Telecommunications and information exchange between systems Use of X.25 Packet Layer Protocol in conjunction with X.21/X.21 bis to provide the OSI Connection-mode Network Service. ISO/IEC TR 10029:1989, Information technology Telecommunications and