Features
Wessex Water cleans up with Rotork
The Wessex Water sewage treatment works at Swanage, UK, claims its effluent not only exceeds EU standards but is cleaner than the sea into which it is discharged. The water company has implemented membrane bioreactor technology as part of a plant-wide upgrade.
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Understanding PID loop dynamics
When you watch your PID controller trying to move a process variable, do you understand the interaction of the three factors at each point on the curve?
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Scottish Power selects PAS to improve automation at twelve sites
Scottish Power has selected PAS to provide its comprehensive alarm management and control performance software and services for twelve sites comprising gas-fired, coal-fired, and hydro-electric power generation stations.
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SafetyBridge Technology (08 March 2010)
This new idea in safety technology uses what looks like standard safety I/O modules distributed across a wide area. But, there's a big difference: for one thing, there's no safety bus such as Profisafe or Interbus Safety connecting them. And for another, there isn't any safety PLC to control their operation.
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OPC simplifies integration of process vision, quality control systems (08 March 2010)
Logicpark, a Swiss engineering and system integration company, recently used the OPC DataHub from Cogent Real-Time Systems to network an ABB quality control system to a new Viconsys process vision system at the Kimberly-Clark production facility in Niederbipp, Switzerland.
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Advantages of FPGAs (05 March 2010)
FPGA design tools are increasingly available, allowing embedded control system designers to more quickly create and adapt FPGA hardware.
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Chevron signs Invensys (04 March 2010)
Chevron has selected Invensys Operations Management to provide Wonderware IntelaTrac mobile workforce and decision support system. The mobile solution is designed to help Chevron’s upstream operations with configurable software and ruggedised mobile hardware solutions.
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A warning from GAMBICA (04 March 2010)
GAMBICA has welcomed the recent publication of IEC 61439 but warned that manufacturers working to the new standard still need to exercise a high level of skill and caution in relation to the ratings they adopt for components used in their assemblies.
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Water company thickens sludge to save costs (04 March 2010)
Severn Trent Water, UK water company, undertook a de-sludging trial in a bid to reduce costs and energy by producing thicker sludge in its Primary Settlement Tank (PST). Hach Lange supplied advanced monitoring instrumentation for the nine month project.
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Puls issues weather caution (04 March 2010)
Puls UK has cautioned electrical equipment manufacturers, asking them to consider the effects cold weather has on the operation of products. The company claims power supplies used to run equipment outdoors are particularly vulnerable to freezing temperatures.
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