Modelling Control Systems Using IEC 61499 by Alois Zoitl

By Alois Zoitl

IEC 61499 is a regular for modelling disbursed regulate platforms to be used in manufacturing unit automation. This average is already having an impression at the layout and implementation of business regulate platforms that contain the mixing of programmable good judgment controllers, clever units and sensors.

Modelling regulate structures utilizing IEC 61499. 2d variation has been considerably up to date to include the adjustments brought within the revisions of the traditional on the grounds that 2001 and to mirror classes realized from the author’s educating of IEC 61499 within the final ten years. consequently this e-book presents a via but concise creation to the most options and versions outlined within the IEC 61499 usual for modelling disbursed keep watch over platforms to be used in manufacturing facility automation.

Topics lined include;

- defining functionality blocks
- structuring applications
- carrier interface functionality blocks
- occasion functionality blocks
- examples of business applications.

Modelling keep watch over structures utilizing IEC 61499. second variation is key examining for educational and research-led keep an eye on and procedure engineers and scholars operating in study fields that require complicated keep watch over structures utilizing networked established disbursed regulate. This ebook may also be of curiosity to researchers in robotics and safeguard platforms.

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Extra info for Modelling Control Systems Using IEC 61499

Sample text

The scheduling function invokes the function block’s execution control, notifying it about the finished execution of the encapsulated functionality and enabling it to generate an output event. Different output events (or also none) may be generated depending on which input events have arrived and the internal state of the execution control. g. sampled onto the connection). The output event is used to trigger the execution of downstream function blocks, signalling that they can now use output values generated by this function block.

G. 10). Although Kruchten has considered applying these design views to the world of object oriented software, the same design views are also applicable to distributed control system design. 1 Logical view This design view is used to depict the functional requirements of the system. It expresses the software functionality as required by the system user. In a distributed system design, it would show the main software function blocks and the main interfaces between them. Issues such as how the system functionality is distributed and executed are not addressed.

STEP is used by CAD stations for storage and exchanging of electronic circuit designs in an implementation independent form. There is clearly a strong synergy between electronic schematics and control system designs based on function blocks. However, finally the eXtensible Markup Language (XML) has been selected in IEC 61499 Part 2 as a means to save and exchange function block definitions. This provides the exciting possibility of being able to transfer designs across the Internet and view them using Web browsers.

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