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
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Control Valve

Control Valve Passing Even When Fully Closed: Causes, Symptoms, Troubleshooting and Solutions

Table of ContentsUnderstanding Control Valve Passing and Why It HappensWhat Does It Mean When a Control Valve Is Passing?How a Control Valve Should Close Under Normal ConditionsCommon Symptoms of a Passing Control ValveMajor Causes of Control Valve PassingControl Valve Shutoff Performance by Valve TypeHow...
Instrumentation Calculators

Instrument Range Calculator | Calculate Span, Rangeability, Turndown Ratio & Calibration Range

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Instrumentation Calculators

SLPM to SCFM Conversion Calculator | Standard Liters per Minute to Standard Cubic Feet per Minute

Table of ContentsWhy Use This SLPM to SCFM Calculator?What is Gas Flow Unit Conversion?Definition:...
Engineering

Top 10 Essential Maintenance Metrics Every Reliability Engineer Must Track

Table of Contents1. Mean Time Between Failure (MTBF)2. Mean Time to Repair (MTTR)3. Failure...
Instrumentation Calculators

Gas Flow Unit Conversion Calculator: Normal Cubic Meters per Hour (Nm³/h) to Normal Liters per Minute (NLPM)

The Nm³/h to NLPM Conversion Calculator is a quick and accurate way to change...
Level Measurement

Understanding Boiler Drum Level Transmitters: Accurate DP Measurement Explained

Table of ContentsWhy it's important to measure the Boiler drum level preciselyTypes of Boiler...
SCADA

SCADA Security Checklist: 30+ Essential Tips for Securing Critical Infrastructure

Table of ContentsHow do you secure a SCADA?SCADA Security Checklist for Industrial Automation -...
Instrumentation Questions

Gas Turbine Control Loops Quiz: Troubleshooting & Maintenance for Instrumentation Experts

This advanced quiz is for instrumentation and automation engineers who work with gas turbines...
Instrumentation Calculators

Gas Flow Unit Conversion Calculator: Standard Cubic Feet per Minute (SCFM) to Standard Cubic Feet per Hour (SCFH)

The SCFM to SCFH Conversion Calculator makes it easy for engineers, technicians, and control...
PLC

Step-by-Step Procedure to Troubleshooting Solenoid Valves in PLC Digital Output Loops

Table of ContentsUnderstanding the Complete Digital Output LoopInitial Observations Before TroubleshootingTools you Need for...
Instrumentation Calculators

Maximum PSF( Pulse Scaling Factor) Calculator for Coriolis Flow Meters

Coriolis flow meters produce a pulse signal that corresponds to the measured mass or...
Control Valve

Essential Control Valve Accessories for Reliable Process Control

Table of ContentsWhy are Control Valve Accessories Important?Top Control Valve Accessories Every Process Engineer...
Instrumentation Calculators

Gas Flow Unit Conversion Calculator: Normal Cubic Meters per Hour (Nm³/h) to Standard Liters per Minute (SLPM)

Engineers, process experts, and instrumentation specialists frequently have to convert Normal Cubic Meters per...
Control System

Virtual Redundant Transmitter (VRT) in Honeywell Turbomachinery Control Systems

Table of ContentsWho is VRT for?Problem Statement: Limitations of Simplex TransmittersWhat is VRT and...
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Latest articles

Control Valve

Control Valve Passing Even When Fully Closed: Causes, Symptoms, Troubleshooting and Solutions

Table of ContentsUnderstanding Control Valve Passing and Why It HappensWhat Does It Mean When...
Instrumentation Calculators

Instrument Range Calculator | Calculate Span, Rangeability, Turndown Ratio & Calibration Range

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Communication

Profibus PA Communication Problems: Causes, Symptoms and Troubleshooting Guide

Table of ContentsOverview of Profibus PA Communication Challenges What is Profibus PA Communication?Definition of Profibus...
Engineering

FAT vs SAT vs SIT: Three Critical Tests That Determine Whether Your Plant Is Truly Ready for Startup

Table of ContentsIntroductionPurpose of Factory Acceptance TestingFactory Acceptance Test ObjectivesFactory Acceptance Test ObjectivesPLC FAT...