Control and Instrumentation articles from May 1995

Control and Instrumentation archives from May 1995

Integrated control systems.
May 1, 1995... With the convergence of distributed control systems, PLCs and PCs, how do you select what you need? We live in an era when open systems, the scale and cheapness of processor power and the rapid pace of hardware and software development are...

Distributed controls.(Control Systems)
May 1, 1995... 'the most under-used resource' You can now make great sayings for modest investment in applications and technologies facilitated by digital systems Distributed control systems must be among the most under-utilised of plant assets on sites...

Drugs updated. (pharmaceutical industry)
May 1, 1995... Long the laggard, the pharmaceutical industry is working to catch up in the integration stakes Ask anyone in the pharmaceutical industry how it is doing as a whole in terms of automation, and they will tell you that it's behind the rest of...

Validation of PLC software. (automation in the pharmaceutical industry)
May 1, 1995... How do you go about validating a PLC system in the pharmaceutical industry? When a pharmaceutical manufacturer realises that validation of either an existing or new computer system is required, and enters into a contract with a supplier, it's...

Hygrometry is cool with digital control. (includes related article)
May 1, 1995... Developments in optical chilled mirror hygrometry are improving stability over a wide range Chilled mirror optical hygrometers are highly valued for their accuracy, stability and freedom from drift. Two factors determine this performance....

Goal setting for safety. (offshore petroleum operations)
May 1, 1995... Two new offshore safety regulations - which come into force next month - will impact control systems and instrumentation Outdated and prescriptive regulations for offshore safety are being replaced by new goal setting legislation. The offshore...

Selecting CEM systems. (Continuous Emission Monitoring)
May 1, 1995... Advantages and disadvantages of different types of in-line emission monitoring systems are examined More stringent pollution abatement legislation has increased the need to continuously monitor pollutant gases discharged from power stations....

Fieldbus routes and timetables.
May 1, 1995... Buses are arriving and beginning to fill up - we look at the choices, on Frank McKenna's review and papers at Fieldbus '95 at C&I In recent years the term Fieldbus has been applied to a wide variety of products and concepts. This has come...

Smart field units. (smart instrumentation)
May 1, 1995... Smart field instrumentation will provide new freedoms The advent of intelligent devices should provide a shorter route to making money for the majority of users in the manufacturing and processing industries. Virtues extolled by vendors...