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NEMA IA2.5:2005

NEMA IA2.5:2005 Programmable Controllers - Part 5: Communications Describes communication aspects of a programmable controller. Also specifies from the viewpoint of a PC how any device can communicate with a PC as a server and how a PC can communicate with any devic

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Table of Contents

FOREWORD
Clause
1Scope
2Normativereferences
3Definitions
4Symbolsandabbreviations
5Models
5.1PCnetworkcommunicationmodel
5.2PCfunctionalmodel
5.3PChardwaremodel
5.4Softwaremodel
6PCcommunicationservices
6.1PCsubsystemsandtheirstatus
6.2Applicationspecificfunctions
7PCcommunicationfunctionblocks
7.1Overviewofthecommunicationfunctionblocks
7.2SemanticofcommunicationFBparameters
7.3Deviceverification
7.4Polleddataacquisition
7.5Programmeddataacquisition
7.6Parametriccontrol
7.7Interlockedcontrol
7.8Programmedalarmreport
7.9Connectionmanagement
7.10Examplefortheuseofcommunicationfunction
blocks
8Complianceandimplementerspecificfeaturesand
parameters
8.1Compliance
8.2Implementationspecificfeaturesandparameters
AnnexA(normative)MappingtoISO/IEC9506-5
AnnexB(normative)PCbehaviorusingISO/IEC9506-2
Figures
Tables

Abstract

Describes communication aspects of a programmable controller. Also specifies from the viewpoint of a PC how any device can communicate with a PC as a server and how a PC can communicate with any device.

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