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 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...
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Calibration

How to Calibrate RTD transmitter?

Table of ContentsWhat is a temperature transmitter RTD?How do you calibrate a temperature transmitter?Purpose...
Instrumentation Calculators

DP calculator for Interface level measurement

Table of ContentsWhat is the interface liquid level measurement?How is interface level calculated?Interface Level...
Industrial Automation

Burnout Function of a Temperature Transmitter with an example

Table of ContentsWhat happens if the temperature sensor opens maximum resistance? Do you get...
Instrumentation Calculators

Instrumentation Calculators for Process, Automation and Control Engineers

Free Online Instrumentation Calculators for Industrial Engineering Explore 100+ online instrumentation calculators, Excel tools, and...
Calibration

How to calibrate Thermocouple Transmitter?

Table of ContentsWhat is a temperature transmitter?How do you calibrate a temperature transmitter?Purpose and...
Instrumentation Calculators

Closed tank level measurement – Wet Leg System – Transmitter installed in non-zero based remote mount application

Table of ContentsLRV CalculationEstimating the URVDP calculator for Wet leg Level measurement - Transmitter...
Instrumentation Calculators

DP calculator for Closed tank level measurement – Wet Leg system – Transmitter installed in zero based direct mount application

Table of ContentsLRV CalculationEstimating the URVDP calculator for Wet leg Level measurement - Transmitter...
Instrumentation

Network Equipment listNetwork Equipment: Types, List, Management, Classification & Best Practices

Table of ContentsWhat is network equipment?How Does Network Equipment Operate?What Is Networking Equipment Used...
Instrumentation

Network switch port allocation details

Table of ContentsWhat is a Switch?What is a switch port allocation list?What is Switch...
Instrumentation Calculators

DP calculator for Dry leg Level measurement – closed tank

Table of ContentsLRV CalculationEstimating the URVDP calculator for Dry leg Level measurement  Dry leg method...
Instrumentation

IP Address Schedule

Table of ContentsWhat is the IP address?What is an IP addressing schedule or IP...
Instrumentation Calculators

DP calculator for Zero suppression – open tank level measurement

Table of ContentsNon - Zero based direct mount - open tank level measurementNon -...
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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...