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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Industrial Automation

Ingress Protection IP and NEMA Ratings: Selecting the Right Enclosure for Your Application

Table of ContentsWhat is Ingress Protection (IP)  Purpose Ingress Protection (IP)Structure of Ingress Protection (IP)...
Instrumentation Questions

PLC (Programmable Logic Controller) Knowledge Quiz

Welcome to the PLC (Programmable Logic Controller) Quiz! This quiz is designed to test...
Control Valve

Control Valve Leakage Testing, Types, and Calculation Standards

Table of ContentsClassification of Control Valve LeaksLeakage Tests & Calculations in a Control ValveTypical...
How to

Choosing Between Thermocouples and RTDs: A Practical Guide for Temperature Sensing

Table of ContentsBasics of Resistance Temperature Detectors (RTDs)Advantages and Disadvantages of Resistance Temperature Detectors...
Instrumentation Tools

Pressure Safety Valve Sizing Excel Tool for Gas Applications

Table of ContentsAPI 520 Relief Valve SizingCritical Flow Safety Valve SizingSizing Safety Valves for...
SIS/ESD

Understanding 2 out of 2 SOV: Working & Configuration

Table of ContentsUnderstanding the Need for RedundancyIntroducing 2 out of 2 SOV RedundancyConfiguration and...
Process Control

Wellhead Control Panel (WHCP): Working Principle, Components, Types, Design and FAQs

Table of ContentsWhat is a Well Head Control Panel (WHCP)?Principle of Well Head Control...
Installation Procedure

Step by Step Pressure Transmitter Installation Procedure

Table of ContentsSection No.1: Pre-Installation PlanningSection No.2: Mounting the TransmitterSection No.3: Impulse Piping InstallationSection...
Installation Procedure

Motor-Operated Valve Actuator Installation Procedure with Checklist

Table of ContentsPre-Installation Considerations for MOV ActuatorPre-Installation Inspection of MOVMOV PreparationMOV Actuator InstallationElectrical...
PLC

Understanding Wet Contacts in PLC Wiring

Table of ContentsWet Contact ConfigurationsUnderstanding Digital Input Wet Contact Wiring in PLC What is Interrogation...
Temperature Measurement

How to Select the Right Thermocouple for Temperature Measurement Applications?

Table of ContentsFactor No.1: Temperature RangeFactor No.2: Thermocouple TypeFactor No.3: Accuracy and PrecisionFactor No.4:...
Instrumentation Calculators

Cv to Kv Conversion Calculator (Control Valve Flow Coefficient Formula + Example)

Table of ContentsCv to Kv Conversion CalculatorCv to Kv Conversion Calculator (Instant Results)How to...
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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...