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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Instrumentation Questions

Advanced Guided Wave Radar Level Transmitter Commissioning Quiz for Process Industries

Importance of Guided Wave Radar Level Measurement in Process Industries Guided wave radar level transmitters...
Instrumentation Calculators

Split Range Calculator for Control Valves in PLC and DCS Systems

Table of ContentsIntroduction to Split Range ControlWhat Is Split Range Control in Industrial AutomationWhy...
PLC

Siemens S7 300 PLC Discontinued Migration Guide for Engineers

Table of ContentsWhy Siemens S7 300 Became the Backbone of Industrial AutomationWhy Siemens S7...
SIS/ESD

Advanced Safety Instrumented System (SIS) Inspection Checklist for IEC 61511 Compliance

Table of ContentsIntroduction to Safety Instrumented System (SIS)What Is a Safety Instrumented System?How SIS...
Interview Questions

Instrumentation Designer Interview Questions and Answers for EPC Projects

Table of ContentsIntroduction to Instrumentation Design InterviewsBasic Instrumentation Designer Interview QuestionsInstrument Location and Layout...
Instrumentation Questions

PLC System Commissioning in Process Industries: Advanced Quiz for Automation and Instrumentation Engineers

Introduction to PLC System Commissioning PLC commissioning is a vital step in process industries to...
Instrumentation Calculators

Turndown Ratio Calculator for Flow Meters and Process Instruments

Table of ContentsIntroduction to Turndown Ratio in Process IndustriesWhat Turndown Ratio Means In InstrumentationWhy...
FAT Activities

Factory Acceptance Test Procedure for Distributed Control System DCS

Table of ContentsWhat is Factory Acceptance Test in DCS SystemsPurpose of DCS Factory Acceptance...
Process Control

Why Split Range Control is Used in Industrial Automation

Table of ContentsWhat is Split Range Control in Process Control SystemsHow Split Range Control...
Instrumentation Questions

Flow Measurement Selection in Application Scenarios for Process Industries EPC Design Engineering

Why Flow Measurement Selection is Critical in EPC Design Engineering  In projects in the EPC...
Communication

Why 75 Ohm Termination Resistor is Used in ControlNet?

Table of ContentsWhat is a Termination Resistor in ControlNet?Purpose of a ControlNet Termination ResistorHow...
Engineering

Top 10 Control Valve Sizing Software Used in Process Industries

Table of ContentsWhy Control Valve Sizing Software Is Important in Modern IndustriesAccurate Cv Calculation...
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Latest articles

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,...