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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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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Control Valve

What is Partial Stroke Test (PST)? A Complete Guide for Shutdown and Control Valves

Table of ContentsWhy Partial Stroke Testing is ImportantWhat is a Partial Stroke Test?Full Stroke...
SIS/ESD

Testing and Repair Deferral – IEC Guidelines, Procedure, and Best Practices

Table of ContentsIntroduction to SIS Testing and Repair DeferralWhat Is SIS Proof Testing?Why SIS...
Instrumentation Questions

Instrumentation Design Deliverables Quiz – 25 Advanced MCQs for Engineers

Welcome, engineers and designers! In the intricate world of process industries like oil &...
Instrumentation Calculators

RTD Callendar–Van Dusen Calculator | Accurate PT100, PT500, and PT1000 Conversion

Table of ContentsEmbedded Interactive CalculatorWhat is the Callendar–Van Dusen Equation?Understanding Different RTD TypesHow the...
Engineering

How to Select the Right Temperature Transmitter: A Practical Guide for Industrial Applications

Table of ContentsWhat is a Temperature Transmitter?Advantages of Using Temperature TransmittersTypes of Temperature Transmitters...
Instrumentation Questions

Advanced Control Valve Hunting Troubleshooting Quiz – Test Your Control Loop Expertise

Why Control Valve Hunting Important The Importance of Control Valve Hunting One of the most...
Instrumentation Calculators

PLC Power Supply Calculator – Complete Guide for Accurate PLC Power Sizing

Table of ContentsWhy You Need a PLC Power Supply Calculator?Understanding PLC Power Consumption CalculationKey...
PLC

Difference Between Triconex PLC and Other PLCs: A Complete Guide

Table of ContentsWhat is a Triconex PLC?What are Conventional PLCs?Key Differences Between Triconex PLC...
Instrumentation Questions

Advanced Electromagnetic Flowmeter Troubleshooting Quiz – 25 Expert Questions

Electromagnetic flowmeters are the most important tools in process industries. They monitor the volumetric...
Engineering

Avoiding Mistakes in Instrumentation Cable Tray Installation: A Guide for EPC Projects

Table of ContentsWhat is an Instrumentation Cable Tray?Common Mistakes in Instrumentation Cable Tray InstallationAdditional...
Commissioning

Pressure Gauge vs Pressure Transmitter: When Readings Don’t Match, Who Should You Trust?

Table of ContentsWhy Do Pressure Gauges and Transmitters Sometimes Disagree?Step-by-Step Troubleshooting GuideScenario 1: The...
Instrumentation Tools

Zirconia Oxygen Analyzer Nernst mV Output Online Calculator – Free Excel Tool

Zirconia Oxygen...
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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,...