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
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 Switch Operating PrinciplePressure Switch Hysteresis. Set Point and Reset PointNormally Open and Normally Closed Pressure Switch ContactsHydraulic Pressure Switch vs Pressure TransmitterCommon Hydraulic Pressure Switch Problems and SymptomsPressure Switch Not...
Instrumentation Questions

Advanced PLC Interlock Troubleshooting Quiz for Process Industries | 25 Practical PLC Diagnostics Questions for Instrumentation and Automation Engineers

Why PLC Interlock Troubleshooting Matters in Modern Process Industries  Modern process industries depend on reliable PLC interlock systems to protect personnel, equipment, and production. Troubleshooting PLC interlocks requires strong knowledge of process control, field instrumentation, PLC diagnostics, permissive logic, shutdown sequences, and industrial automation practices....
spot_img

Keep exploring

IoT

OT Cybersecurity Norms: Complete Guide to IEC 62443, NIST SP 800 82 and Industrial Control System Security

Table of ContentsIntroduction to OT Cybersecurity Norms and Industrial Control System SecurityWhat Is OT...
Instrumentation Questions

Top 25 Advanced Safety PLC MCQs for Instrumentation and Functional Safety Engineers

Introduction to Safety PLC and Functional Safety Engineering Safety PLC systems are essential to modern...
Communication

PROFIBUS vs PROFINET: Complete Industrial Network Comparison

Table of ContentsPROFIBUS vs PROFINET Explained for Industrial AutomationWhy PROFIBUS and PROFINET Still Matter...
Commissioning

Loop Checking Field vs Control Room Reading Mismatch Explained

Table of ContentsIntroduction to Field vs Control Room Reading MismatchWhat Is Loop Checking in...
Checklist

What Causes 80% of Instrument Failures in Industry? Top 10 Causes and Prevention Methods

Table of ContentsIntroduction on Instrument Failures Seen Most Frequently in Process. PlantsWhy Instrument Reliability...
Instrumentation Calculators

Impulse Line Freezing Risk and Heat Tracing Calculator for Instrumentation Engineers

Table of ContentsIntroduction to Impulse Line Freezing Risk and Heat TracingImpulse Line Freezing Risk...
Instrumentation Questions

Advanced Guided Wave Radar Level Transmitter Commissioning Quiz for Process Industries

Importance of Guided Wave Radar Level Measurement in Process Industries Guided wave radar level transmitters...
Instrumentation Calculators

Split Range Calculator for Control Valves in PLC and DCS Systems

Table of ContentsIntroduction to Split Range ControlWhat Is Split Range Control in Industrial AutomationWhy...
PLC

Siemens S7 300 PLC Discontinued Migration Guide for Engineers

Table of ContentsWhy Siemens S7 300 Became the Backbone of Industrial AutomationWhy Siemens S7...
SIS/ESD

Advanced Safety Instrumented System (SIS) Inspection Checklist for IEC 61511 Compliance

Table of ContentsIntroduction to Safety Instrumented System (SIS)What Is a Safety Instrumented System?How SIS...
Interview Questions

Instrumentation Designer Interview Questions and Answers for EPC Projects

Table of ContentsIntroduction to Instrumentation Design InterviewsBasic Instrumentation Designer Interview QuestionsInstrument Location and Layout...
Instrumentation Questions

PLC System Commissioning in Process Industries: Advanced Quiz for Automation and Instrumentation Engineers

Introduction to PLC System Commissioning PLC commissioning is a vital step in process industries to...
Load more

Latest articles

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...
Instrumentation Questions

Advanced PLC Interlock Troubleshooting Quiz for Process Industries | 25 Practical PLC Diagnostics Questions for Instrumentation and Automation Engineers

Why PLC Interlock Troubleshooting Matters in Modern Process Industries  Modern process industries depend on reliable...
Instrumentation Calculators

Capacitance Level Sensor Calculator: Calculate Liquid Level and Capacitance for Instrumentation Applications

Capacitance Level Sensor Calculator :root{ --bg:#F2F5F3; --panel:#FFFFFF; ...
SIS/ESD

How are ESD Signals Selected? Complete ESD Signal Selection Guide

Table of ContentsWhat Is an ESD Signal in an Emergency Shutdown System?Why Is ESD...