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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Procedures

Hydraulic System Pressure Switch Troubleshooting: Step by Step Safe Procedure

Table of ContentsWhat Is a Hydraulic Pressure Switch and How Does It Work?Hydraulic Pressure Switch Operating PrinciplePressure Switch Hysteresis. Set Point and Reset PointNormally Open and Normally Closed Pressure Switch ContactsHydraulic Pressure Switch vs Pressure TransmitterCommon Hydraulic Pressure Switch Problems and SymptomsPressure Switch Not...
Instrumentation Questions

Advanced PLC Interlock Troubleshooting Quiz for Process Industries | 25 Practical PLC Diagnostics Questions for Instrumentation and Automation Engineers

Why PLC Interlock Troubleshooting Matters in Modern Process Industries  Modern process industries depend on reliable PLC interlock systems to protect personnel, equipment, and production. Troubleshooting PLC interlocks requires strong knowledge of process control, field instrumentation, PLC diagnostics, permissive logic, shutdown sequences, and industrial automation practices....
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Instrumentation Calculators

Gas Flow Unit Conversion Calculator: Standard Cubic Feet per Minute (SCFM) to Standard Liters per Minute (SLPM)

Engineers, technicians, and system designers can use the SCFM to SLPM Conversion Calculator to...
Instrumentation Questions

Top 25 Advanced MCQs on Boiler Control & Interlock Logic for Instrumentation and Control Engineers

This advanced quiz on Boiler Control Systems and Interlocks is for instrumentation and control...
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...
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Procedures

Hydraulic System Pressure Switch Troubleshooting: Step by Step Safe Procedure

Table of ContentsWhat Is a Hydraulic Pressure Switch and How Does It Work?Hydraulic Pressure...
Instrumentation Questions

Advanced PLC Interlock Troubleshooting Quiz for Process Industries | 25 Practical PLC Diagnostics Questions for Instrumentation and Automation Engineers

Why PLC Interlock Troubleshooting Matters in Modern Process Industries  Modern process industries depend on reliable...
Instrumentation Calculators

Capacitance Level Sensor Calculator: Calculate Liquid Level and Capacitance for Instrumentation Applications

Capacitance Level Sensor Calculator :root{ --bg:#F2F5F3; --panel:#FFFFFF; ...
SIS/ESD

How are ESD Signals Selected? Complete ESD Signal Selection Guide

Table of ContentsWhat Is an ESD Signal in an Emergency Shutdown System?Why Is ESD...