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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Engineering

FRL Unit Selection Procedure for On Off Instrumentation Control Valves

Table of ContentsWhat Is an FRL Unit in Pneumatic On Off Control Valve Service?Why FRL Selection Matters for On Off Control Valve ApplicationsApplication Background of FRL Units in Pneumatic Valve PackagesStep by Step FRL Selection ProcedureStep 1. Identify the Valve and Actuator TypeStep 2....
Instrumentation Calculators

Advanced HART Loop Calculator for Reliable 4 to 20 mA and HART Communication

Table of ContentsWhat Is a HART Loop Calculator and Why It Matters in Field InstrumentationWhy HART Loop Calculation Is Important for Process IndustriesHow HART Communication Works in a 4 to 20 mA LoopWhy Voltage Headroom Matters for Reliable Device OperationUnderstanding Loop Resistance, Voltage Drop,...
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Checklist

Checklist for Conducting a Running Inspection of a Control Valve in a Process Area

Table of ContentsPreparationSafety PrecautionsWork Permit ProcessPart 1: Control Valve ActuatorPart 2: Control Valve PositionerPart...
PLC

Understanding ON Delay and OFF Delay Timers in PLC Programming

Table of ContentsON Delay Timer (TON)Ladder Diagram - ON Delay TimerProcess Scenario Example -...
Instrumentation Questions

Quiz on Control Valve Positioners

Control valve positioners are essential components in the field of instrumentation and control engineering....
Instrumentation Calculators

Frequency(Hz) to 4 to 20 mA Signal Conversion Calculator

Table of ContentsWhat is Frequency to Analog 4 to 20 mA Conversion?Frequency to Analog...
Installation Procedure

Best Practices for Impulse Tubing Installation

Table of ContentsSection 1: Material SelectionSection 2: Tubing Length and RoutingSection 3: Support and...
Instrumentation Calculators

Control Valve Kv to Cv Conversion Calculator

Table of ContentsControl Valve Kv to Cv Conversion CalculatorControl Valve KV and CV Definitions:Formula...
Checklist

Checklist: Preventive Maintenance Procedure for Closed Tank Wet Leg Level Measurement

Table of Contents Purpose of this ProcedureScope of this ProcedureDefinitionsResponsibilitiesSafety PrecautionsTools and Equipments Required for...
PLC

Logic Gates in PLC Programming: A Guide with Truth Tables and Ladder Logic Diagrams

Programmable Logic Controllers (PLCs) are crucial in industrial automation, controlling machinery and processes by...
Instrumentation Questions

Quiz on Distributed Control Systems(DCS)

Test your knowledge of Distributed Control Systems (DCS) with this comprehensive quiz. Covering essential...
Instrumentation Calculators

Transmitter Calibration Span, LRV and URV Value Calculator from Measured 4 to 20 mA

Table of ContentsHow to Use the CalculatorKey Concepts of this CalculationStep 1: Understand the...
How to

RTD Tolerance Calculation

Table of ContentsWhat is RTD Tolerance?RTD Standards and Accuracy ClassesRTD Tolerance Testing for IEC...
PLC

PLC Programming Example: Using Timers to Control Motors with a Single Switch

Table of ContentsPLC Programming Example on TimersLadder LogicIncorporating Turn-Off Timer and On-Delay TimerSimulation StepsSimulation...
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Engineering

FRL Unit Selection Procedure for On Off Instrumentation Control Valves

Table of ContentsWhat Is an FRL Unit in Pneumatic On Off Control Valve Service?Why...
Instrumentation Calculators

Advanced HART Loop Calculator for Reliable 4 to 20 mA and HART Communication

Table of ContentsWhat Is a HART Loop Calculator and Why It Matters in Field...
Engineering

Marshalling Panel vs Junction Box vs System Cabinet: Complete Guide for Instrumentation and Control Engineers

Table of ContentsUnderstanding the Difference Between Junction Box, Marshalling Panel, and System Cabinet Why Junction...
Instrumentation Questions

Preparation of IO List Documentation in EPC Engineering in Process Industries: Advanced Quiz for Instrumentation and Control Engineers

Why IO List Documentation Matters in EPC Engineering Projects  The IO list is the heart...