System Integration & Control Systems Design


Latest Articles

Flow loops behaving badly: case history 70
April 2003, Michael Brown Control Engineering
I have lost count of the number of times I have been told that flow loops are very simple things, that they are easy to tune, that you do not need a tuning package to tune them, that they can be tuned ...

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Maximising grinding mill efficiency with neural networks - Part II
March 2003
The flexibility of SmartGrind's smart modules allows the user to customise the application to address their individual needs of the mill

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Profibus fibre-optic transceiver
March 2003
The ERbic Profibus fibre-optic transceiver converts the electrical signals of the Profibus interface into optical signals. Data transmission is effected bi-directionally, with data transparency in half-duplex ...

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Filters - the great deceivers
March 2003, Michael Brown Control Engineering
Noise on the PV signal was discussed in the previous loop signature article, and it was mentioned that it is generally better to live with the noise rather than filtering it out; provided it does not ...

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Maximising grinding mill efficiency with neural networks - Part 1
February 2003
Optimisation of the grind size, via the throughput/recovery relationship and the control of the grind size, is a vital part of mineral processing operation

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The impact on installation on network performance
February 2003, Rockwell Automation
Industry studies show that installation and media related problems account for 70-90% of the downtime occurrences in operating networks

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Speeding up system implementation at Western Platinum Refinery
February 2003
ProDef, an application that provides a common development environment for the design, configuring, programming and documentation of control systems, has helped system integrator DW Controls to implement ...

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Some unusual integrating processes
February 2003, Michael Brown Control Engineering
As mentioned in previous articles, all industrial processes fall into one of two classes of dynamics, known as self-regulating and integrating. In particular refer to Loop Signature No. 2 for a full description ...

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New system intregrator is formed
January 2003
The birth of Motiontronix was on the cards for quite a while, the process was accelerated by the fact that Control Techniques SA had needed to streamline the company for some time, in particular the sales ...

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Rugged and flexible instrumentation solution: small, rugged, intelligent form factor extends FieldPoint I/O family
December 2002
Engineers and scientists can now perform advanced measurement and control by integrating this intelligent distributed platform on a factory floor, within an industrial machine, or in remote locations

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Control loop case history 68: control mayhem on a mine
December 2002, Michael Brown Control Engineering
I have often written about the dearth of understanding of practical control, which is largely due to the generally purely theoretical teaching of process control at educational institutions. I have also ...

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SA system integrator expands into Botswana
November 2002
Gauteng-based water engineering experts Thuthuka Project Managers has expanded into Botswana with the registration of Thuthuka Project Managers Botswana. Thuthuka Project Managers' project engineer ...

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Internet protocol over Ethernet increases
November 2002
The integration of automation and enterprise systems requires a change in the architecture of open control systems. From Advantech's point of view, the level of integration between automation and enterprise ...

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Load cell technology in practice - Conclusion
October 2002, Instrotech
A lightning strike within a 300 m radius of the geometrical centre of the site will definitely have a detrimental effect on the weighbridge

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Largest annual gathering of South African system integrators
October 2002
All system integrators are welcome at this unique and informative two-day venue as well as at the golf day on 11 October

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Problems encountered in level controls
October 2002, Michael Brown Control Engineering
This month's article deals with a few of the more difficult problems encountered in level controls. Before going into them it would be appropriate to summarise a few important points on integrating processes ...

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CS Holdings wins Wonderware 2002 award
September 2002
"This award ratifies our clients' support of our services and demonstrates industry acknowledgement of our leading edge solutions capabilities."

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Distribution tracking system for vehicle manufacturer
September 2002
"The DTS has provided a realtime, nationwide, low administration, integrated solution to Delta's distribution tracking problems."

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50 years of evolution later - thin client HMI: Conclusion
September 2002
The scope of today's requirements has grown tremendously and now ranges from a single node to dozens of HMIs to control the production lines and interact with other enterprise systems

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Load cell technology in practice - Part IV
September 2002, Instrotech
The installation of load cells into a practical field application requires careful attention if the system is to be safe and accurate

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