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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PLC

Critical Flaw in Rockwell ControlLogix CVE-2024-6242 – Trusted Slot Bypass Vulnerability

Table of ContentsBackground on Rockwell ControlLogix 1756 DevicesWhat is the Trusted Slot Feature?The Vulnerability...
Commissioning

Commissioning Procedure for Differential Pressure Transmitters in Pressurized Boiler Steam Drums

Table of ContentsImportance of Accurate Boiler Drum Level MeasurementComponents in a DP Transmitter Installation...
Instrumentation Questions

Cybersecurity in PLC Systems – Advanced 25 MCQ Quiz

Cybersecurity in PLC systems is now one of the most important problems in the...
Engineering

Thermowell Selection Procedure – Complete Guide for EPC design Engineers

Table of ContentsWhy Thermowells Are EssentialBasic Components of a ThermowellTypes of ThermowellsStep-by-Step Thermowell Selection...
Automation

Emerging and Future Concepts in Functional Safety: AI, Digital Twins and Industry 4.0

Table of Contents1. Convergence of Cybersecurity and Functional Safety2. Dynamic Safety Instrumented Systems (DSIS)3....
Instrumentation Calculators

Failure Rate (λ) Calculator for Process Instrumentation and Industrial Maintenance

Table of ContentsWhat Is Failure Rate (λ) in Reliability Engineering?Failure Rate in Predictive Maintenance...
Automation

Fieldbus Intrinsically Safe Concept (FISCO) Model for Foundation Fieldbus H1 and Profibus PA

Table of ContentsHazardous Area - Safe Area IS LoopWhat is the FISCO Model?Fieldbus Network...
Instrumentation Questions

Zero Elevation Level Measurement Troubleshooting Quiz for Process Industries (Advanced 25 MCQs with Answers)

In closed tank differential pressure (DP) transmitter applications, especially when using wet leg arrangements,...
Industrial Automation

Top Causes of Intrinsically Safe (IS) Loop Failure and How to Avoid Them

Table of ContentsWhy Intrinsic Safety is ImportantRegulatory Framework for Intrinsic SafetyTop Causes of Intrinsically...
PLC

Difference Between Standard and Safety PLCs: Features, Applications & Future Trends

Table of ContentsWhat is a Standard PLC?What is a Safety PLC?Standard PLC vs. Safety...
Engineering

Method Statement for Instrumentation Cable Termination

Table of ContentsImportance of Proper Cable Termination in InstrumentationIndustry Codes and Standards for Cable...
Instrumentation Tools

Instrument Power Consumption Calculation Guide – Complete Reference with Excel Download

Table of ContentsWhy Instrument Power Consumption Calculation Important?Typical Instrument Power Ratings (Reference Table)Step-by-Step Method...
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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,...