PLC Technician Learning

15/09/2026

Three-Phase Motor Starter Wiring
A clear electrical wiring diagram showing a 3-phase MCB, magnetic contactor, thermal overload relay, auxiliary contact, and START/STOP push buttons. This practical setup helps beginners and electricians understand motor protection, control circuits, contactor operation, and safe three-phase motor connections.

15/09/2026

Here, the flawless connection of the entire automation system is shown using CHNT circuit breakers, a DC power supply (12V/5A), contactors (KM1 & KM2), and a push-button station. How much easier PLC-based circuits like this make work in industrial control panel design!
​How do you like this circuit? Feel free to share your valuable thoughts in the comments.​

15/09/2026

What is the function of the mA rating on cell cables?

15/09/2026

TYPES OF VFD
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15/09/2026

Forward/Reverse 3-Phase Motor Control &
Power Circuit

15/09/2026

What should be resistance of earthing? ゚

15/09/2026

Star-Delta Motor Starter Wiring
A detailed three-phase Star-Delta motor control diagram showing forward/reverse contactors, electrical interlocking, motor terminals, control circuit, and protective grounding. This practical schematic helps electricians and students understand Star-Delta connections, contactor control, phase switching, and safe three-phase motor operation.

15/09/2026

Which RTD Is Most Commonly Used in Industry?

Test your instrumentation knowledge! ⚙️

Question: Which RTD is most commonly used in industrial applications?

A) PT100
B) PT1000
C) Ni100
D) Ni1000

💡 Your challenge: Choose the correct answer and comment A, B, C, or D.

15/09/2026

Contactor Holding Circuit
A simple and practical contactor holding (self-latching) circuit showing MCB protection, STOP NC and START NO push buttons, auxiliary NO contact, and contactor coil terminals A1/A2. Perfect for learning how a motor control circuit maintains contactor operation after releasing the START button.

15/09/2026