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Instrumentation Design

How to choose between PLC and DCS Systems ?

S Bharadwaj Reddy
PLC or DCS System ? The following steps discuss about How to choose PLC or DCS systems ? Step 1: Does process require implementation of advanced process control (APC)? No doubt,

When to use a Diaphragm Seal ?

S Bharadwaj Reddy
Process measurement sensors are not indestructible. Not even the most rugged device is fully immune to the chemical nature of process media or the kinetic impact associated with fluid composition

Difference between DCS & PLC Systems

S Bharadwaj Reddy
DCS stands for Distributed Control System and PLC stands for Programmable Logic Controller. Do you know the Difference between DCS and PLC Systems ? Difference between DCS & PLC Systems

Important Factors for Thermocouple Selection

S Bharadwaj Reddy
It would be difficult to chart a career course in the industrial process control field without being exposed to thermocouples. They are the ubiquitous basic temperature measuring tools with which

Difference between Intrinsic Safe and Non-Intrinsic Safe Cables

S Bharadwaj Reddy
Difference between IS and Non-IS cables The IS and Non-IS cables are similar in construction like 1 pair, 2 pair or multi-pair cables with shield, insulation, armor etc. The entity

How-to Create Instrument Loop Diagram (ILD) ?

S Bharadwaj Reddy
How to create a instrumentation loop drawing, say for instrument air vessel ? Piping and Instrumentation (P&ID) diagram shows the several instrumentation loops connected with particular equipment. P&ID shows signal path

Failsafe Wiring Practices

S Bharadwaj Reddy
Failsafe wiring practice is one of those topics that separates control system designers and electricians from other technical specialties. This is one of the areas that show up as problems

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