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Overview
New technologies and standards are emerging which will have a dramatic effect on the design and implementation of future industrial control systems. PLCs and PC-based soft controllers are beginning to use software components, such as object-oriented technology, to bring together the hitherto different worlds of factory automation and business systems. New tools and techniques are needed to design and model these systems, such as UML and modern fieldbus technology. The new IEC 61499 standard has been developed specifically to model distributed control systems, defining concepts and models so that software in the form of function blocks can be interconnected to define the behavior of a distributed control system.Tools based on IEC 61499 are likely to emerge soon to model, validate and simulate the behaviour of complex networks of function blocks and it is expected that this standard will become key to complex distributed systems.
Author Biography: Robert Lewis is the UK expert on two IEC working groups defining new standards for industrial control software, covering distributed control systems (IEC 61499) and PLCs (IEC 61131). He is a fellow of the IEE and had been involved with the development of software for industrial control applications for over 15 years. Recently, he has been working in the field of design and verification of safety critical systems. He is also the author of the book Programming Industrial Control Systems Using IEC 61131 (IEE, 1998).
Synopsis
New technologies and standards are emerging which will have a dramatic effect on the design and implementation of future industrial control systems. PLCs and PC-based soft controllers are beginning to use software components, such as object-oriented technology, to bring together the hitherto different worlds of factory automation and business systems. New tools and techniques are needed to design and model these systems, such as UML and modern fieldbus technology. The new IEC 61499 standard has been developed specifically to model distributed control systems, defining concepts and models so that software in the form of function blocks can be interconnected to define the behavior of a distributed control system.
Tools based on IEC 61499 are likely to emerge soon to model, validate and simulate the behaviour of complex networks of function blocks and it is expected that this standard will become key to complex distributed systems.
Author Biography: Robert Lewis is the UK expert on two IEC working groups defining new standards for industrial control software, covering distributed control systems (IEC 61499) and PLCs (IEC 61131). He is a fellow of the IEE and had been involved with the development of software for industrial control applications for over 15 years. Recently, he has been working in the field of design and verification of safety critical systems. He is also the author of the book Programming Industrial Control Systems Using IEC 61131 (IEE, 1998).
Booknews
The IEC 61499 standard was developed to model distributed control systems. This book introduces the main concepts and models defined in the IEC 61499 standard, particularly the use of function blocks, covering service interface function blocks, event function blocks, industrial application examples, and future development. The book is written as a user guide for the application of the standard for modeling distributed systems, and will useful for those working in industrial control, software engineering, and manufacturing systems. Lewis is the UK expert on two IEC working groups. Annotation c. Book News, Inc., Portland, OR (booknews.com)