Search Results for: Distributed Control Systems (DCS)

What are the different kinds of transmitters?

INTRODUCTION Transmitters are referred to as “analog,” “microprocessor based,” “intelligent,” “smart,” “fieldbus,” etc. depending on the technology used. An “analog” transmitter has no microprocessor and therefore its linearization, temperature compensation, and diagnostics are rudimentary. An analog transmitter is configured by switches and jumpers and adjusted using potentiometers. A “microprocessor-based” transmitter is capable of much more …

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What is FOUNDATION Fieldbus ?

Introduction FOUNDATION Fieldbus is a standard for digital field instrumentation enabling field instruments to not only communicate with each other digitally, but also to execute all continuous control algorithms (such as PID, ratio control, cascade control, feedforward control, etc.) traditionally implemented in dedicated control devices. In essence, FOUNDATION Fieldbus extends the general concept of a …

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