IEEE 488-1-2004 en Higher performance protocol for the standard digital interface for programmable instrumentation C Part 1 General (Replaces IEEE 488 2)《可编程仪表用.pdf

1、 INTERNATIONAL STANDARD IEC60488-1First edition2004-07IEEE 488.1 Higher performance protocol for the standard digital interface for programmable instrumentation Part 1: General Reference number IEC 60488-1(E):2004 IEEE Std. 488.1(E):2003 Publication numbering As from 1 January 1997 all IEC publicati

2、ons are issued with a designation in the 60000 series. For example, IEC 34-1 is now referred to as IEC 60034-1. Consolidated editions The IEC is now publishing consolidated versions of its publications. For example, edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the base publication, the b

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8、ance protocol for the standard digital interface for programmable instrumentation Part 1: General INTERNATIONAL STANDARD IEC60488-1First edition2004-07IEEE 488.1 Commission Electrotechnique InternationaleInternational Electrotechnical Commission Copyright IEEE 2004 All rights reserved IEEE is a regi

9、stered trademark in the U.S. Patent any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the I

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14、 declared to be in conformity with an IEC Publication. 6) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC/IEEE 6048

15、8-1 has been processed through subcommittee 65C: Digital communications, of IEC technical committee 65: Industrial-process measurement and control. This standard cancels and replaces the second edition of IEC 60625-1 (1993). At times in this standard, specific reference is made to IEEE Std 488.1-198

16、7, which constituted an earlier version of IEEE Std 488.1-2003, the IEEE edition upon which this standard is based. Where specific dated references were made to the 1987 edition, these references have been maintained. Furthermore, it is to be noted that full compatibility of this standard with IEC/I

17、EEE 60488-2:2004 requires implementation of all revisions indicated previously in the IEEE Introduction. Therefore, readers of this standard are encouraged to read also the companion standard IEEE Std 488.2-1987, which constitutes an earlier edition of IEC 60488-2:2004. The text of this standard is

18、based on the following documents: IEEE Std FDIS Report on voting 488.1 (2003) 65C/319A/FDIS 65C/343/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. IEC 60488-1:2004(E)IEEE 488.1-2003(E) 4 Published by IEC under l

19、icence from IEEE. 2003 IEEE. All rights reserved. This publication has been drafted in accordance with the ISO/IEC Directives. The committee has decided that the contents of this publication will remain unchanged until 2009. IEC/IEEE 60488 consists of the following publications: Higher performance p

20、rotocol for the standard digital interface for programmable instrumentation Part 1: General (60488-1). Standard digital interface for programmable instrumentation Part 2: Codes, formats, protocols and common commands (60488-2). IEC 60488-1:2004(E)IEEE 488.1-2003(E) 5 Published by IEC under licence f

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40、C 60488-1:2004(E)IEEE 488.1-2003(E) 6 Published by IEC under licence from IEEE. 2003 IEEE. All rights reserved. SponsorTechnical Committee on Automated Test Systems and Instrumentation (TC-8)of theIEEE Instrumentation and Measurement SocietyApproved 10 October 2003American National Standard Institut

41、eApproved 12 June 2003IEEE-SA Standards BoardProgrammable InstrumentationIEEE Standard for HigherPerformance Protocol for theStandard Digital Interface forAbstract: This standard applies to interface systems used to interconnect both programmable andnonprogrammable electronic measuring apparatus wit

42、h other apparatus and accessories neces-sary to assemble instrumentation systems. It applies to the interface of instrumentation systems, orportions of them, in which thea) Data exchanged among the interconnected apparatus is digital (as distinct from analog)b) Number of devices that may be intercon

43、nected by one contiguous bus does not exceed 15c) Total transmission path lengths over the interconnecting cables does not exceed 20 md) Data rate among devices does not exceed 8 000 000 B/sThe basic functional specifications of this standard may be used in digital interface applicationsthat require

44、 longer distances, more devices, increased noise immunity, or combinations of these.Different electrical and mechanical specifications may be required (for example, symmetrical cir-cuit configurations, high threshold logic, special connectors, or cable configurations) for theseextended applications.

45、Keywords: GPIB, HPIB, HS488, non-interlocked handshake, three-wire handshake IEC 60488-1:2004(E)IEEE 488.1-2003(E) 7 Published by IEC under licence from IEEE. 2003 IEEE. All rights reserved. IEEE Std 488has enjoyed continuous and widespread use since its initial publication in 1975. The firstrevisio

46、n occurred in 1978 as a result of practical experience and recognition that certain clauses neededclarification to improve compatibility among independently designed products. No major changes weremade in 1978; many changes were pure editorial; however, 20 clauses had textual changes with technicali

47、mplications, although none contradicted the concepts as defined in the original publication. Supplement Awas introduced in 1980 to correct one minor deficiency in the controller function related to “take controlsynchronously.”In 1987, a systematic review was undertaken as a result of both the normal

48、 5-year review cycle and relatedwork on IEEE 488 device-dependent message syntax structures. In addition, there was a strong desire on thepart of both IEEE participants and our IEC colleagues to bring equivalent standards (IEC 625-1) into closeralignment. IEEE Std 488.1-1987 represents the culminati

49、on of this review cycle. Again, no major technicalchanges were made, and care was exercised to preserve compatibility with earlier versions of IEEE Std 488.The IEEE Std 488.1-2003 specification adds new interface functions to allow designers the option ofimplementing noninterlocked handshake transfers.In preparing this specification, several stylistic changes to IEEE Std 488.1-1987 were necessary to bring thedocument up to IEEE standards. The following changes were made: Clause 1, which previously consis