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 Questions

Safety PLC Basics in Process Industries: 25 Advanced MCQs on Functional Safety, SIL and SIS

Safety PLC Quiz Introduction Safety Programmable Logic Controllers play an important role in protecting personnel, equipment and industrial processes from hazardous operating conditions. In process industries, Safety PLCs form part of the Safety Instrumented System, executing Safety Instrumented Functions designed to reduce identified risks. Understanding...
PLC

Best AI Tools for PLC Programming: ChatGPT vs Claude vs PLC AI Agents

Table of ContentsWhat Is AI Based PLC Programming and How Does It Work?How AI Is Changing Industrial PLC ProgrammingTypes of AI Tools Available for PLC ProgrammingBest AI Tools for PLC ProgrammingAI Tools for PLC Programming Comparison: Features and CompatibilityAI Ladder Logic vs Structured Text...
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Level Measurement

Hybrid Level Measurement: Capacitance + Guided Wave Radar (GWR) Technology

Table of ContentsWhat is Hybrid Level Measurement?Explaining the Hybrid Level Measurement DiagramCapacitance Principle in...
Instrumentation Calculators

RTD Class C Tolerance Calculator – IEC 60751 Standard Accuracy

Table of ContentsWhat is RTD Accuracy Class According to IEC 60751?IEC 60751 Accuracy Class...
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...
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Instrumentation Questions

Safety PLC Basics in Process Industries: 25 Advanced MCQs on Functional Safety, SIL and SIS

Safety PLC Quiz Introduction Safety Programmable Logic Controllers play an important role in protecting personnel,...
PLC

Best AI Tools for PLC Programming: ChatGPT vs Claude vs PLC AI Agents

Table of ContentsWhat Is AI Based PLC Programming and How Does It Work?How AI...
PLC

PLC Analog Output Wiring Procedure: 4 to 20 mA and 0 to 10 V in Process Automation

Table of ContentsUnderstanding PLC Analog Output Wiring for 4 to 20 mA and 0...
Instrumentation Calculators

Thermocouple Extension Cable Selection: Types, Colour Codes, Insulation and Resistance Calculation

Table of ContentsWhat Is Thermocouple Extension Cable and Why Is Correct Selection Important?Thermocouple Extension...