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
twitter
Instrumentation Questions

Control Valve Cavitation Troubleshooting Quiz

Advanced Control Valve Cavitation Troubleshooting Questions Control valve cavitation occurs when liquid pressure falls below vapor pressure, creating vapor bubbles that later collapse as pressure recovers. In process plants, this can produce severe noise, vibration, trim erosion, pitting, unstable flow, and premature valve failure. The...
Communication

PROFIBUS Communication Failure Step by Step Diagnosis

Table of ContentsWhat Is a PROFIBUS Communication Failure?Common PROFIBUS Communication Failure SymptomsPROFIBUS Communication Failure vs PROFIBUS Slave FailureCommon Causes of PROFIBUS Communication ErrorsHow to Troubleshoot PROFIBUS Communication FailureStep 1 Identify the PROFIBUS Failure PatternStep 2 Check PLC and PROFIBUS Master & Slave DiagnosticsStep 3...
spot_img

Keep exploring

Level Measurement

Bubble method Interface level measurement calculation with Constant Tank Level and single Bubble Tube

Table of ContentsBubbler method measurement calculationAbbreviationsFormulas for Converting Specific Gravity for All LiquidsInterface level...
Level Measurement

Bubbler method level calculation – Liquid level calculation (Transmitter Installed with single Bubble tube)

Table of ContentsAbbreviationsFormulas for Converting Specific Gravity for All LiquidsLiquid Level Calculations (Transmitter installed...
Level Measurement

Bubbler method level measurement principle and installation

Table of ContentsWhat is air purge or bubbler method?Open tank with one bubble tubeWhat...
Valves

Common problems in Solenoid Valve & its Solutions

A solenoid is an essential element of a valve. The solenoid valve has a...
Instrumentation Calculators

Split Range Calculator – Control system

Table of ContentsWhat is split range control calculator?Significance of the Split range control calculatorExcel...
Calibration

How to do pH electrode calibration?

What is a pH Electrode? Table of ContentsWhat is a pH Electrode?What is benchtop pH...
Instrumentation Calculators

EXtended high and low limit calculator

Table of ContentsWhat is Lower Range Value (LRV) of a transmitter?What is Upper Range...
SIS/ESD

What is an Emergency Block valve and How does it work

Table of ContentsEmergency Block ValvesRequirements & Function of Emergency Block Valve:Location of Emergency Block...
SIS/ESD

What is an Automated Block Valve and how does it work

Table of ContentsAutomated Block ValveBall ValvePinch ValvesGate ValvesButterfly ValveApplication Characteristics of Automated Block ValveValve Data...
SIS/ESD

How does the HIPPS system work in the Oil and gas Industry?

Table of ContentsOverview of High Integrity Pressure-Protection System Features of HIPPSDocumentation of High Integrity Pressure-Protection...
Calibration

Temperature Switch Calibration Procedure – Step-by-Step Guide (NIST & ISO Standards)

Table of ContentsStep by Step Calibration Procedure for Temperature SwitchStep 1: Prepare the Tools...
Instrumentation Calculators

Interface level calculator from Differential pressure (DP)

How do you calculate interface level? Table of ContentsHow do you calculate interface level?Interface level...
Load more

Latest articles

Instrumentation Questions

Control Valve Cavitation Troubleshooting Quiz

Advanced Control Valve Cavitation Troubleshooting Questions Control valve cavitation occurs when liquid pressure falls below...
Communication

PROFIBUS Communication Failure Step by Step Diagnosis

Table of ContentsWhat Is a PROFIBUS Communication Failure?Common PROFIBUS Communication Failure SymptomsPROFIBUS Communication Failure...
Instrumentation Calculators

Measurement Uncertainty Calculator: Calculate Combined and Expanded Uncertainty Using GUM

Measurement Uncertainty Calculator - GUM Method #muc-wrap, #muc-wrap * { box-sizing: border-box !important;...
SIS/ESD

Shutdown Philosophy: Engineering Documentation for Process Safety and Emergency Shutdown Systems

Table of ContentsWhat is Shutdown Philosophy and Why is it Important? What Is a Shutdown...