1、INTERNATIONALSTANDARDIEC60870-5-101Second edition2003-02Telecontrol equipment and systems Part 5-101:Transmission protocols Companion standard for basic telecontrol tasksMatriels et systmes de tlconduite Partie 5-101:Protocoles de transmission Norme daccompagnement pour les tches lmentairesde tlcond
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9、TIONALSTANDARDIEC60870-5-101Second edition2003-02Telecontrol equipment and systems Part 5-101:Transmission protocols Companion standard for basic telecontrol tasksMatriels et systmes de tlconduite Partie 5-101:Protocoles de transmission Norme daccompagnement pour les tches lmentairesde tlconduite IE
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12、SE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 60870-5-101 IEC:2003(E)CONTENTSFOREWORD.71Scope and object.82Normative references.83Terms and definitions.94General rules.104.1Protocol structure.104.2Physical layer.114.3Link layer.124.4Application layer.124.5User process.125Physical layer.1
13、25.1Selections from ISO and ITU-T standards.125.1.1ITU-T V.24 or ITU-T V.28 unbalanced interchange circuit.135.1.2ITU-T X.24 or ITU-T X.27 balanced interchange circuit.145.1.3Interfaces to switched communication networks.145.1.4Other compatible interfaces.146Link layer.146.1Selections from IEC 60870
14、-5-1:Transmission frame formats.146.2Selections from IEC 60870-5-2:Link transmission procedures.156.2.1State transition diagrams.156.2.2Definitions of time out interval for repeated frame transmission.246.2.3The use of the different resets.267Application layer and user process.277.1Selections from I
15、EC 60870-5-3:General structure of application data.277.2Selections from IEC 60870-5-4:Definition and coding of applicationinformation elements.297.2.1Type identification.297.2.2Variable structure qualifier.337.2.3Cause of transmission.367.2.4COMMON ADDRESS OF ASDUs.417.2.5INFORMATION OBJECT ADDRESS.
16、427.2.6INFORMATION ELEMENTS.447.3Definition and presentation of the specific ASDUs.587.3.1ASDUs for process information in monitor direction.597.3.2ASDUs for process information in control direction.987.3.3ASDUs for system information in monitor direction.1037.3.4ASDUs for system information in control direction.1047.3.5ASDUs for parameter in control direction.1097.3.6ASDUs for file transfer.1137.4Selections from IEC 60870-5-5:Basic application functions.1207.4.1Selections from station initializ
