HomeAuthorsPosts by Sundareswaran Iyalunaidu

Sundareswaran Iyalunaidu

With over 24 years of dedicated experience, I am a seasoned professional specializing in the commissioning, maintenance, and installation of Electrical, Instrumentation and Control systems. My expertise extends across a spectrum of industries, including Power stations, Oil and Gas, Aluminium, Utilities, Steel and Continuous process industries. Tweet me @sundareshinfohe
twitter
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...
spot_img

Keep exploring

Instrumentation Calculators

Mean Time To Failure (MTTF) Calculator for Instrumentation Reliability Assessment

This Mean Time To Failure (MTTF) Calculator is a powerful tool for instrumentation engineers,...
Instrumentation Questions

Radiometric Level Measurement: 25 MCQs for Engineers & Technicians

This assessment will test your knowledge of radiometric level systems, including how to fix...
Temperature Measurement

Why Install Thermowells at a 45° Angle? Engineering Logic Explained

Table of ContentsWhat is a Thermowell?Why Install a Thermowell at a 45° Angle?Importance of...
PLC

Hot Standby in PLC Systems: Architecture, Working, and Benefits

Table of ContentsWhat is Hot Standby in PLC?Need for Redundancy in PLC SystemsVisualizing Hot...
How to

How to Read a Datasheet of a Temperature Transmitter ?

Table of ContentsPractical Guide using Rosemount 3144P as a Case StudyHow to read the...
Instrumentation Calculators

Online PT1000 RTD Calculator – Convert Resistance (Ω) to Temperature (°C) Instantly

A Resistance Temperature Detector (RTD) is a very accurate temperature sensor that works by...
Instrumentation Questions

Process Instrument Calibration MCQ Challenge – NIST, ISO 17025, ISA Standards & Calculations

In industrial settings, mastering process instrumentation calibration is very important for making sure that...
Calibration

Smart Pressure Transmitter Sensor Trim Guide with Diagrams & Calibration Steps

Table of ContentsSmart Pressure Transmitter Signal Flow DiagramWhat is Sensor Trim?Types of Sensor TrimsZero...
Control Valve

How to Troubleshoot a Control Valve Passing Problem after Overhauling: Complete Root Cause Analysis

Table of ContentsCase Summary: Control Valve Passing After OverhaulUnderstanding Control Valve PassingRoot Cause Exploration:...
Engineering Standards

30+ International Standards for Control Systems: The Complete Guide for Automation & Instrumentation Engineer

Table of ContentsProgrammable Controllers and Industrial LogicIndustrial Communication and Data IntegrationFunctional Safety and Risk...
Instrumentation Calculators

Mean Time To Repair (MTTR) Calculator for Process Instrumentation Downtime Analysis

This Mean Time To Repair (MTTR) Calculator is a must-have for instrumentation and maintenance...
Instrumentation Questions

Test Your Knowledge: Instrument Logic Diagram Quiz Based on Real DCS to MCC Logic Diagram

This advanced quiz is for professionals and students who want to learn how to...
Load more

Latest articles

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...