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 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...
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; } #muc-outer { background: #eef2f8 !important; background-image: linear-gradient(rgba(15,23,42,0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(15,23,42,0.045)...
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Instrumentation

What are Impulse lines? – Impulse line problems and solutions

Table of ContentsWhat are impulse lines?What is the function of impulse line?Purpose of impulse...
Analytical Instrumentation

How to do Preventive maintenance of pH transmitter?

Table of ContentsSafetyInspection of sampling systemInspection of pH transmitterCalibration of the pH transmitter using...
Control Valve

What are the main causes of control valve hunting?

Table of ContentsWhat is Valve Hunting in Control Valves?What causes valve hunting in process...
Calibration

pH Transmitter Calibration Procedure Using Standard Buffer Solutions

Table of ContentsWhat does a pH transmitter do?What is the unit of pH?How do...
Instrumentation

How to do the voltage drop calculation of instrument cable?

Table of ContentsDetermine the cable parametersDetermine the length of the cableDetermine the currentFind the...
Analytical Instrumentation

What is Lambda sensor?

Table of ContentsWhy are Lambda sensors fitted?What does the lambda sensor do?How does the...
How to

How to troubleshoot an industrial weighing system?

Table of ContentsHow do you troubleshoot a weight scale?How do you troubleshoot a weight...
Instrumentation Calculators

Load cell millivolt (mV) output calculator

Table of ContentsWhat is a load cell?What is Load Cell Output in mV and...
How to

Template for Troubleshooting check list of load cells in industrial weighing system

Table of ContentsBenefits of load cell check list:What is the resistance of a load...
Instrumentation Calculators

Displacer type interface level transmitter dry calibration weight calculator

Table of ContentsFormula for the calculationFormula for the volume of the displacer Formula for calculating...
Industrial Automation

Common materials used in Instrumentation Cable

Table of ContentsWhat kinds of materials are used for making instrumentation cables?Low Smoke Zero...
How to

How to do Preventive Maintenance of Industrial Platform Weighing Scale?

Table of ContentsSafetyInspection of weighing indication and control unitInspection of average card junction boxInspection...
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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...
Procedures

Hydraulic System Pressure Switch Troubleshooting: Step by Step Safe Procedure

Table of ContentsWhat Is a Hydraulic Pressure Switch and How Does It Work?Hydraulic Pressure...