Table of Contents
FOREWORD
INTRODUCTION
1Scope
2Normativereferences
3Termsanddefinitions
4Functionalcharacteristics
4.1Basicfunctionalstructureofaprogrammable
controllersystem
4.2CharacteristicsoftheCPUfunction
4.3Characteristicsoftheinterfacefunctionto
sensorsandactuators
4.4Characteristicsofthecommunicationfunction
4.5Characteristicsofthehuman-machineinterface
(HMI)function
4.6Characteristicsoftheprogramming,debugging,
monitoring,testinganddocumentationfunctions
4.7Characteristicsofthepower-supplyfunctions
5Availabilityandreliability
Bibliography
Figures
Table Abstract
Applies to programmable controllers (PLC) and their associated peripherals such as programming and debugging tools, human-machine interfaces, etc., which have as their intended use the control and command of machines and industrial processes.
