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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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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...
Procedures

Galvanic Isolator Troubleshooting Procedure in an Analog Input Loop

Table of ContentsIntroduction to Galvanic Isolator TroubleshootingUnderstanding a Typical 4 to 20 mA Analog Input LoopCommon Symptoms of Galvanic Isolator ProblemsStep by Step Galvanic Isolator Troubleshooting ProcedureIndustrial Troubleshooting Case Study: Incorrect DCS Pressure ReadingSafety Precautions for Galvanic Isolator TroubleshootingGalvanic Isolator Selection and Maintenance Best...
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Documentation

Instrument Index Generator for EPC Instrumentation Projects

Table of ContentsInstrument Index Generator for Efficient Instrumentation Documentation ManagementWhat is an Instrument Index...
Instrumentation Calculators

Control Valve Flow Characteristic Calculator: Linear, Equal Percentage, and Quick Opening Guide

Table of ContentsWhy Use a Control Valve Flow Characteristic Calculator? What Is a Control Valve...
Instrumentation Questions

Troubleshooting Coriolis Flowmeter in Process Industries Advanced Quiz for Instrumentation Engineers

Real World Coriolis Flowmeter Troubleshooting Scenarios from Refineries, Chemical Plants, Power Plants, and Process...
Instrumentation Calculators

Calibration Interval Risk Calculator for Industrial Instrument Calibration Planning

Table of ContentsIntroduction to Calibration Interval Risk CalculatorWhat Is a Calibration Interval Risk Calculator?Why...
Instrumentation Calculators

Transmitter Calibration Calculator: How to Calculate Span, LRV, URV, and 4 to 20 mA Signal Percentage

Table of ContentsIntroduction to Transmitter Calibration CalculatorTransmitter Calibration CalculatorWhat Is a Transmitter Calibration Calculator? How...
Instrumentation Calculators

DP Calculator for Zero Suppression in Open Tank Level Measurement

Table of ContentsUnderstanding DP Calculator for Zero Suppression in Open Tank Level MeasurementDP Calculator...
IoT

OT Cybersecurity Norms: Complete Guide to IEC 62443, NIST SP 800 82 and Industrial Control System Security

Table of ContentsIntroduction to OT Cybersecurity Norms and Industrial Control System SecurityWhat Is OT...
Instrumentation Questions

Top 25 Advanced Safety PLC MCQs for Instrumentation and Functional Safety Engineers

Introduction to Safety PLC and Functional Safety Engineering Safety PLC systems are essential to modern...
Communication

PROFIBUS vs PROFINET: Complete Industrial Network Comparison

Table of ContentsPROFIBUS vs PROFINET Explained for Industrial AutomationWhy PROFIBUS and PROFINET Still Matter...
Commissioning

Loop Checking Field vs Control Room Reading Mismatch Explained

Table of ContentsIntroduction to Field vs Control Room Reading MismatchWhat Is Loop Checking in...
Checklist

What Causes 80% of Instrument Failures in Industry? Top 10 Causes and Prevention Methods

Table of ContentsIntroduction on Instrument Failures Seen Most Frequently in Process. PlantsWhy Instrument Reliability...
Instrumentation Calculators

Impulse Line Freezing Risk and Heat Tracing Calculator for Instrumentation Engineers

Table of ContentsIntroduction to Impulse Line Freezing Risk and Heat TracingImpulse Line Freezing Risk...
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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...
Instrumentation Questions

Advanced Instrument Logic Diagram Quiz for Process Control Systems in Process Industries

Instrument Logic Diagram Quiz Introduction An Instrument Logic Diagram displays the interaction of process conditions,...