PID loop tuning tips pocket guide
PID Loop Tuning Tips Pocket Guide has been expanded. Now it includes both open and closed loop tuning procedures, in addition to the original reference material of the first version. This eight-page publication was created to give engineers a short easy-to-use guide to tuning PID loops, and it includes a reference section that summarizes many of the more common controllers available.
PID Control (proportional-integral-derivative) is by far the widest type of automatic control used in industry. Even though it has a relatively simple algorithm/structure, there are many subtle variations in how it is applied in industry. This has probably resulted in confusion for plant engineers and operators, who are happy to leave control loops in a sub-optimal configuration.
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Object oriented programming in control system software engineering
While it was initially esoteric, Object Oriented Programming (OOP) crept into mainstream Information Technology (IT) applications by the mid 1980s. A decade later, the very popular incarnation of these object-based process control applications has arrived in the form of OPC client/server technology.
Wireless security on the plant floor
Most papers written on wireless security concerns address corporate LAN access. This paper discusses both corporate and industrial wireless concerns but places an emphasis on the industrial automation wireless security aspects.
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Download this white paper and learn whether you should specify a sealed, industrially hardened computer that's ready to deploy in a washdown environment, or to specify an appropriately sealed industrial enclosure into which a more general‐purpose computer can be placed.
Information about the health of a control system, the I/O systems, field devices and final control elements can be critical for plant operation and uptime. Timely diagnostic information can mean the difference between a quick repair and hours or days of unplanned downtime.