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Sivaranjith

Instrumentation Engineer
SIS/ESD

Inhibit vs Bypass in Process Plants: DCS, PLC and ESD/SIS Differences

Table of ContentsWhy Understanding Inhibit vs Bypass in Process Plants MattersWhat Is an Inhibit in Process Automation?What Is a Bypass in Process Automation?What Is Override Control in Process Automation?Inhibit vs Bypass in DCS, PLC and SISHow Inhibit and Bypass Work in Control LogicInhibit and...
Instrumentation Calculators

Advanced Instrument Air Compressor Interlock Logic and Control Quiz for Automation and Instrumentation Professionals

Instrument Air Compressor Interlock Logic Quiz Introduction Instrument air compressors are critical utility equipment controlled through PLC based sequencing, pressure instrumentation, permissives, alarms, trips and automatic standby selection. For automation and instrumentation professionals, understanding this logic is essential for DCS configuration, PLC programming, control panel...
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Electrical

Advantages of Three-phase over single phase transmission

A three-phase generator means instead of a single coil rotating through a magnetic field,...
Control Valve

Control Valve guiding

Valve guiding is necessary for proper alignment with the seat ring and efficient control...
Control Valve

Types of pressure relief valves

Pressure relief valves: Pressure relief valves are safety valves that are designed to prevent internal...
Flow Measurement

What is Cavitation and Flashing?

  Cavitation and flashing are two main kinds of noise in flowmeters and in control...
PLC

How to write a PLC ladder logic program?

The ladder logic programming is commonly used to program PLCs. A PLC takes input from field devices...
Temperature Measurement

Fiber Optic Temperature Sensors

Fiber optic temperature sensors are used where the temperature measurement is made in hostile...
Electrical

3 PHASE Transformers – different connections

What are transformers? The transformer is a static piece of apparatus which transfers electrical energy...
Instrumentation

Electronic and pneumatic Load cells

Load cells are transducers that are used to convert work, force or pressure into...
Control Valve

Slide valves and it’s advantages and disadvantages

Slide valves are one of the many variations of the gate-type valve and were...
Control Valve

Control valve Noise – Cage trim

Noise produced in pipelines may be pump-generated (changes in power and pressure. or varying...
Control System

Manifold Gauges or air conditioning Gauges.

What are manifold gauges?   A manifold gauge is chamber device that is used to control...
Calibration

Industrial Thermometer calibration

The calibration of the industrial thermometer cannot be done. All we can do is...
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SIS/ESD

Inhibit vs Bypass in Process Plants: DCS, PLC and ESD/SIS Differences

Table of ContentsWhy Understanding Inhibit vs Bypass in Process Plants MattersWhat Is an Inhibit...
Instrumentation Calculators

Advanced Instrument Air Compressor Interlock Logic and Control Quiz for Automation and Instrumentation Professionals

Instrument Air Compressor Interlock Logic Quiz Introduction Instrument air compressors are critical utility equipment controlled...
Procedures

Galvanic Isolator Troubleshooting Procedure in an Analog Input Loop

Table of ContentsIntroduction to Galvanic Isolator TroubleshootingUnderstanding a Typical 4 to 20 mA Analog...
Instrumentation Calculators

Pressure Transmitter Overrange Protection Calculator: Calculate Pressure Surge and Overpressure Risk

Table of ContentsWhat Is Pressure Transmitter Overrange Protection?Pressure Transmitter Overrange Protection Calculator ParametersHow to...