Control and Instrumentation articles from November 1995

Control and Instrumentation archives from November 1995

Interkama on the fieldbus trail.(Column)
November 1, 1995... If you're ever in any doubt about the scale and scope of our industry, get along to Interkama in Dusseldorf, Germany -- the world's biggest instrumentation and control event. Staged once every three years, and something like five times the...

Volume or mass flow. (flowmeters)
November 1, 1995... Flowmeters cover everything from local indication (low accuracy but reasonable repeatability), to fiscal transfer metering (high accuracy transmitters). Although traditionally, local direct indicating meters have been applied throughout...

Independent safety systems; should all safety functions now be incorporated in the DCS? (distributed control system)
November 1, 1995... Should all safety functions now be incorporated in the DCS? Many users are under pressure to incorporate safety functions (emergency shutdown, interlock, fire & gas control, etc) into a single distributed control system (DCS). ...

Using PESs within safety systems. (programmable electronic systems)
November 1, 1995... In many industries world-wide, competitive pressures to design more efficient industrial processes have increased. The need to include safety adds another dimension to the trade-offs that must be made by a design engineer. Many...

Giving the works the treatment. (North West Water's Southport waste water treatment works)
November 1, 1995... Water could hardly have been more in the headlines this summer. The extraordinary drought, leading to low levels, low pressure and public outcry culminated in accusations of under-investment and mis-management, with excessive leakage rates...

Advanced control: identification to management.
November 1, 1995... Advances in Control IV, the IChemE Process Control Subject Group conference held in York recently, provided considerable food for thought, not least because the organisers interpreted the term `advanced control' widely. Just capturing...

Control systems go modular.
November 1, 1995... How do you ensure your system will be supported for as long as you need and that it will interoperate with third party software? When choosing a control system, one of the most important questions is `which system will have guaranteed...

The lull before the electrical storm.
November 1, 1995... The incidence of thunderstorms and lightning-related damage has been increasing over the last decade. Theories abound. One says that it's a consequence of global warming -- the increase in temperature causes more saturation and hence storms....