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

Interview Questions
Sundareswaran Iyalunaidu7 hours ago
1
Ratio Control System MCQs in Industrial Instrumentation
Welcome to the “Ratio Control System in Process Instrumentation” quiz! Designed for process industry professionals and enthusiasts, this quiz tests…
Read More »
How to
Sundareswaran Iyalunaidu2 days ago
64
How to Troubleshoot Industrial Temperature Transmitters ?
Table of ContentsProcedure for Troubleshooting Temperature Transmitters in PLC Analog Input LoopSafety PrecautionsRequired Tools and DocumentationVisual InspectionUse a HART Communicator…
Read More »
Instrumentation Calculators
Sundareswaran Iyalunaidu3 days ago
87
Coriolis Flow Meter Output Frequency Calculator
Table of ContentsDefinition of Coriolis Flow Meter Output FrequencyDefinition of Pulse Scaling Factor (PSF)Formula for Frequency Output CalculationExample Coriolis Flow…
Read More »
Automation
Sundareswaran Iyalunaidu4 days ago
115
Top HMI Software in Industrial Automation
Table of ContentsWhat Defines Human Machine Interface (HMI) Technology?How Does HMI Relate to IoT Technology?Key Considerations for Selecting HMI SoftwareList…
Read More »
Flow Measurement
Sundareswaran Iyalunaidu1 week ago
156
Why Drain and Vent Holes are Essential for Efficient Orifice Plate Operation?
Table of ContentsWhat is Orifice Plate Drain Hole and Vent Hole?What is the Purpose of Orifice Plate Drain Hole?Purpose of…
Read More »
Calibration
Sundareswaran Iyalunaidu1 week ago
251
Step-by-Step Procedure to Calibrate an Absolute Pressure Transmitter
Table of ContentsWhat is an Absolute Pressure Transmitter?Applications of Absolute Pressure TransmittersPurpose and ScopeTools and Equipment RequiredSafety PrecautionsStep-by-Step Calibration Procedure…
Read More »
Instrumentation Tools
Sundareswaran Iyalunaidu1 week ago
198
Instrument Air System Design Excel Tool for Design Engineer
Table of ContentsDownload Link for Instrument Air System Design Excel Tool for Design Engineer Overview of the Instrument Air System Design…
Read More »
Instrumentation Questions
Sundareswaran Iyalunaidu2 weeks ago
207
Closed-Loop Control Valve Troubleshooting: HART, Fieldbus and Diagnostics Skills Quiz
Here is the spacer for Control Valve Troubleshooting Quiz! This newer quiz is meant to challenge you with your understanding…
Read More »
Field Instrumentation
Sundareswaran Iyalunaidu2 weeks ago
265
How to Safely Zero a DP Transmitter with 3-Way Valve and 5-Way Valve Manifolds ?
Table of ContentsHow to Zero a Differential Pressure Transmitter using a 5 way-Valve Manifold ?Initial Configuration of 5 way-Valve Manifold…
Read More »
How to
Sundareswaran Iyalunaidu2 weeks ago
154
Step-by-Step PLC Battery Replacement and Maintenance Procedure
Table of ContentsWhat is a PLC battery?Why does a PLC need a Battery?Types of PLC BatteriesHow Long Does a PLC…
Read More »