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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Communication

PROFIBUS vs PROFINET: Complete Industrial Network Comparison

Table of ContentsPROFIBUS vs PROFINET Explained for Industrial AutomationWhy PROFIBUS and PROFINET Still Matter in Real PlantsPROFIBUS Explained: Protocol, Types and Industrial UsesWhat is PROFIBUS DP?What is PROFIBUS PA?Why Engineers Still Trust PROFIBUSPROFINET Explained: Ethernet Based Industrial CommunicationWhy PROFINET Is Used in Modern AutomationWhat...
Commissioning

Loop Checking Field vs Control Room Reading Mismatch Explained

Table of ContentsIntroduction to Field vs Control Room Reading MismatchWhat Is Loop Checking in InstrumentationTypical Loop Checking WorkflowIndustrial Example of Flare Flow Meter Reading MismatchReal Physics Behind Loop Current DeviationMost Common Causes of Field vs DCS Reading MismatchStep by Step Troubleshooting Workflow:  Field vs...
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Calibration

Internal Audit Checklist for ISO Process Instrument Calibration in Process Industries

Table of ContentsISO Instrument Calibration Audits in Process IndustriesWhat is an ISO Instrument Calibration...
Instrumentation Questions

Oxygen Analyzer Basics in Process Industries – Advanced Quiz for Instrumentation Engineers

Why Oxygen Analyzers are Critical in Power Plants and Process Industries Power plants, refineries, and...
Calibration

Calibration Vs Verification: Key Differences, Procedures, Examples and Best Practices In Process Industries

Table of ContentsCalibration vs Verification: a Commonly Confused ConceptWhy Understanding the Difference Between Calibration...
Engineering

Understanding Instrument Earth (IE) in Industrial Automation – Complete Guide for Engineers

Table of ContentsInstrument Earth (IE) and Signal GroundingWhy Instrument Earth Matters in PLC and...
Instrumentation Calculators

Conductivity Liquid Analyzer Probe Resistance Calculator – Complete Guide for Instrumentation Engineers

Table of ContentsConductivity Probe Resistance Calculator for Liquid Analyzers - Instrumentation ToolWhat is Conductivity...
Calibration

Calibration Interval Schedule Procedure for Process Instrumentation Using Risk-Based Method

Table of ContentsCalibration Interval Scheduling in Process IndustriesPurpose of the Calibration Interval Scheduling ProcedureScope...
Instrumentation Questions

Advanced DP Transmitter Calibration Quiz For Instrumentation Engineers And Technicians

Advanced Differential Pressure Transmitter Calibration Quiz Overview For instrumentation engineers, calibration technicians, and EPC professionals...
SIS/ESD

Redundant Transmitters Explained: Reliability, Voting Logic and SIL for Instrumentation Engineers

Table of ContentsWhy Plants Use Multiple Transmitters for the Same Measurement Key Reasons for Using...
Communication

Ethernet-APL (Advanced Physical Layer): Practical Guide for EPC Instrumentation & Process Automation Engineers

Table of ContentsWhy Ethernet-APL Matters for EPC ProjectsWhat is Ethernet-APL and 10BASE-T1L?Basics Every EPC...
Control Valve

Control Valve Body Material Selection Guide for EPC Design Instrumentation Engineers

Table of ContentsWhy Control Valve Body Material Selection MattersValve Body Vs Trim Critical Distinction...
Instrumentation Calculators

Control Valve Sizing Calculator: Complete ISA S75.01 Cv Calculation Guide for Instrumentation Engineers

<!-- ============================================================ ISA-S75.01 Control Valve Sizing Calculator Branded for automationforum.co ...
Instrumentation Questions

Solenoid Valve Troubleshooting – Advanced Quiz for Instrumentation Professionals

Introduction to Solenoid Valve Troubleshooting in Process Industries People who work with instrumentation in process...
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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...