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Control loop: Case History 181 - Understand the basics of the components in the loop
March 2022, Michael Brown Control Engineering, System Integration & Control Systems Design
To my amazement I find that people seem to think that because these days we are using ‘smart’ transmitters, the basic rules can be ignored.

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The devil is in the detail – the importance of design engineering
March 2022, Iritron
Years of study and implementation have proven numerous times that the detailed design and engineering process is a critical phase in a project.

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Moxa sets out to redefine futureproof industrial networks
March 2022, RJ Connect, IT in Manufacturing
Moxa’s brand-new EDS-G4000 series of Ethernet switches aims to unite networking and OT cybersecurity with a layered defence-in-depth approach.

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Loop Signatures 10: Digital controllers – Part 2: Testing controller operation
February 2022, Michael Brown Control Engineering
There is a commonly held belief in control circles that all PID controllers are similar and relatively simple. This is a dangerous fallacy.

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Total 3D linearisation: Best performance under all process conditions for DP transmitters
February 2022, KROHNE, Flow Measurement & Control
Whether it be for pressure, flow, level, density or interface, applications with gases, liquids or steam: differential pressure (DP) measurement technology is suitable for nearly all processes while covering an extreme range of process temperatures and pressures.

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A review of the 2021 MESA Africa conference
January 2022, MESA Africa NPC
The overarching lesson from this year’s conference: yes, we have problems now and solutions are on the table, but we need collective action!

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Cybersecurity for operational technology: Part 5: Cybersecurity threats to critical information infrastructure.
January 2022
CII describes infrastructure that is essential to the functioning of a country’s society and economy(2). Local examples include energy (Eskom), government (SARS, judiciary), police and defence (SAPS, ...

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The ultimate control valve
January 2022, Valve & Automation, Valves, Actuators & Pump Control
Zwick has designed its TRI-SHARK range of Triple Eccentric Valves to be used in control or throttling applications as well as for pure on/off functionality.

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From the editor's desk: 2022 must be the year SA gets its vaccination act together
January 2022, Technews Publishing (SA Instrumentation & Control), News
This is his last "From the editor's desk" that Steven Meyer wrote before his death in early January 2022.

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What to do when fragmented systems get too complex
November 2021
With proper planning, a strategic approach, careful vendor selection and a systematic project methodology, you can successfully upgrade to a future-proof ICT infrastructure that supports ongoing digital transformation.

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Control loop: Case History 180 - Fuel gas pressure control problem
November 2021, Michael Brown Control Engineering
The problem with the pressure control was that it seemed to work intermittently and seldom got to setpoint, resulting in large and unacceptable variance on the control.

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Cybersecurity for operational technology: Part 4: Practical recommendations to reduce cybersecurity risks for OT systems
November 2021, Wolfpack Information Risk
It is essential that IT professionals are able to clearly articulate cybersecurity risks to management.

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Loop Signatures 9: Digital controllers – Part 1: Introduction to the simple PID controller
October 2021, Michael Brown Control Engineering
There is a commonly held belief in control circles that all PID controllers are similar and relatively simple. This is a dangerous fallacy.

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Totally Integrated Automation – added value in three dimensions
October 2021, Siemens South Africa, System Integration & Control Systems Design
Discover everything that’s in TIA, the leading automation concept from Siemens, and how it all works together to create a unique product for machine builders and industrial enterprises.

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Cybersecurity for operational technology: Part 3: Third-party supplier risks to OT Systems
October 2021, Wolfpack Information Risk
As supply chains have become integrated, interconnected and increasingly complex, supply chain cyber-attacks are on the increase as they are very effective.

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Control loop: Case History 179 - Some unusual measurement and control problems
September 2021, Michael Brown Control Engineering
The example given in this article illustrates some mistakes made by the system integrators and control engineers at a metals extraction plant that used a well-known make of PLC and scada for its controls.

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Tag-specific requirements in RFID systems for track and trace
September 2021, Turck Banner Southern Africa, Industrial Wireless
The BL ident complete RFID system from Turck Banner offers solutions in the HF or UHF range with interfaces for use in a plant or switch cabinet.

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Security for operational technology: Part 2: How much of a cyber threat are people to OT systems and what can be done?
September 2021, Wolfpack Information Risk
The recent cyber-attack on Transnet is a wake-up call that South African companies are not immune from cyber threats.

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Loop Signatures 8: Final control elements – Part 4: the infamous stick-slip cycle
August 2021, Michael Brown Control Engineering
An inherent phenomenon occurring in most control valves that few people are aware of is ‘stick-slip’.

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OT the executor, IT the overseer, IIoT the enabler
August 2021
It is a fascinating and daunting time to be working as professionals in the OT and IT worlds.

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