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Sivaranjith

Instrumentation Engineer
Procedures

RTD Checking With a Multimeter: Three Tests, Resistance Calculation and Troubleshooting

Table of ContentsWhat Is an RTD and How Does It Work?Tools Required for RTD Testing and Safety PrecautionsThree Important Checks for RTD Testing With a MultimeterHow to Test an RTD With a Multimeter Step by StepPT100 Resistance Versus Temperature TableHow to Test Two Wire,...
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...
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Communication

Protocol analyzers & analysis

Communication between devices connected to computer networks is controlled by transmission and protocol standards...
Humidity measurement

Humidity Measuring Devices – Psychrometers & Hygrometers

Humidity can be measured using materials that absorb water vapor, giving a change in...
Calibration

HART transmitter calibration procedure – For pressure transmitter

For a conventional 4-20 mA instrument, a multi-point test that simulates the input and...
Electrical

PCB (Prinited Circuit Board) fabrication

 What is PCB? PCB, which means Printed Circuit Boards are assembled and compact model of...
Communication

HART communicator features and connection

A HART communicator is a portable device, based on HART communication protocol. A HART...
Communication

Basics of wirelessHART network protocol

The WirelessHART™ standard provides a robust wireless protocol for the full range of process...
SIS/ESD

SIS (safety instrumented system) basics

What is SIS? An SIS is safety instrumented system, which takes control action to prevent...
Electrical

Electrical safety in power distribution

Electricity is an important energy source in the modern world, it is safe to...
Control System

Continuous control mode- P, PD, PI & PID control modes

The control actions most commonly used in process control are one or a combination...
Communication

HART ( Highway Addressable Remote Transducer) Communication Protocol

What is HART protocol? HART (Highway Addressable Remote Transducer) Protocol is the global standard for...
Interview Questions

Instrumentation interview questions

What is Process control? A process control is continuous changing of a process variable to...
SCADA

Introduction to SCADA

What is SCADA? SCADA stands for Supervisory Control and Data Acquisition. SCADA is a control...
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Latest articles

Procedures

RTD Checking With a Multimeter: Three Tests, Resistance Calculation and Troubleshooting

Table of ContentsWhat Is an RTD and How Does It Work?Tools Required for RTD...
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...