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Electrical

OLD PLC Systems

Why Old Plants Hate Modern PLCs?

Old plants struggle with modern PLCs and uncover compatibility, wiring, and integration challenges in industrial automation upgrades.

Q & A

Temperature Sensors Questions & Answers

Guided Wave Radar Questions and Answers

Control Room and Field Instruments Questions and Answers

Top 1000 Instrumentation Engineering Objective Questions

Top 100 Sensors & Transducers Questions and Answers for Freshers

Design

Voting System in PLC

Voting Concept in Package Safety System

Bypass and Override of Process Control and Safety Systems

Why & How “Safety Function Bypass or Override”?

Design Logic Diagrams with Standard Formats for Process Control

Design Logic Diagrams with Standard Formats for Process Control

Automation

PLC Programming Classroom Bell System

Classroom Bell System – PLC Programming Practice Examples

Liquid Transfer Between Two Tanks Using TIA Portal

Liquid Transfer Between Two Tanks Using TIA Portal

Code Simulation of Safety Circuit

Feedback Monitoring in Safety PLC

Measurement

Thermocouple Material Characteristics

Thermocouple Construction

Pressure Measurement

How to Measure Pressure in Inches of Water Column

Pressure Safety Valves Functional Testing

Pressure Safety Valves Functional Testing

Control System

How to Setup a Smart Transmitter Using a HART Communicator

How to Configure a Smart Transmitter Using a HART Communicator?

PROFIBUS is also a Master Slave protocol

Compare Modbus, Fieldbus, and Profibus

Intrinsic Barrier

Why choose Intrinsic Safety ?

Valves

Two SOV Connections

Two Solenoid Valves Working Principle

valve actuator yoke

Advantages and Disadvantages of Valve Actuators

Globe Valve Parts

What is Globe Valve ?

Courses

Free Online Control Valves Course

Free Control Valves Course

Instrumentation and Control Course

Free Instrumentation Course for Trainee Engineers

Siemens PLC Course for Beginners

Siemens PLC Course for Beginners: Problems and Solutions

Latest Articles

Moisture film on terminal blocks in PLC Panel

PLC Inputs That Fail Only During Rain or Humidity

24 VDC Systems That Are Healthy but Still Cause PLC Faults

24 VDC Systems That Are Healthy but Still Cause PLC Faults

Control System Hidden Risks of Online Edits in Running Plants

Control System: Hidden Risks of Online Edits in Running Plants

PLC Startup vs. Normal Scan Time

PLC Startup vs. Normal Scan Time – Real Plant Impact

Things I Learned Only After Commissioning 20+ PLC Projects

Things I Learned Only After Commissioning 20+ PLC Projects

How Cable Lengths Affect Analog Input Stability

How Cable Lengths Affect Analog Input Stability?