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01/11/2026

PLC Automatic Door Open & Close Control
A smart PLC-based automatic door system using PIR and position sensors, timers, and forward/reverse motor outputs. The ladder logic controls opening, timing, and closing sequences while helping prevent conflicting commands. Ideal for learning industrial automation and PLC programming.

01/11/2026

Two-Motor Selector Switch Control
This control panel uses 3-pole MCBs, MPCBs, contactors K1/K2, Start/Stop push buttons, and a selector switch to control two motors. The selector provides a simple way to choose the required motor, while individual protection helps improve safe and reliable operation. Always verify ratings and wiring before energizing.

01/11/2026

DOL Motor Starter Control Circuit
A clear Direct-On-Line (DOL) starter diagram showing the Stop/Start push buttons, contactor KM1, overload relay F1, holding contact, and RUN/FAULT indicators. This classic control circuit provides simple motor starting, stopping, and overload protection for reliable operation. Always verify the actual wiring and ratings before energizing.

01/11/2026

Automatic Pump Control with Thermostat
This control circuit combines a 3-phase isolator, differential protection, motor guard, contactor, thermostat, and water pump. The thermostat controls the contactor according to temperature, allowing the pump to operate automatically while providing essential electrical protection. Always verify ratings and terminal connections before energizing.

31/10/2026

Automatic Dual-Pump Control Panel
A smart alternating pump control system using two tank-level float switches, phase-monitoring relay, alternator relay, contactors, overload protection, and status indicators. The system automatically alternates B1 and B2 pumps based on tank levels, helping provide reliable water management and balanced pump operation.

31/10/2026

Timer-Based Contactor Control Wiring
A practical control-panel setup featuring MCBs, a digital voltage display, timer, contactors, indicator lamps, and terminal connections. The timer can automate contactor switching for scheduled electrical loads. Always verify terminal ratings, wiring diagrams, and protection before energizing the circuit.

31/10/2026

Three-Phase Motor Starter & Protection Circuit
A complete control diagram showing 3-phase supply, circuit breakers, contactor KM1, overload relay, phase-failure relay, emergency stop, Start/Stop controls, and status indicators. This protection system helps provide safe and reliable motor operation while monitoring overload and phase-loss conditions.

31/10/2026

PLC Ladder Logic for Valve & Agitator Control
This ladder logic demonstrates V2 and V4 valve control using S1, S2 and S3 inputs, with V2/V4 outputs driving Agitator M1. The interlocking logic helps control valve sequencing and ensures the agitator operates when the required valve condition is active.

31/10/2026

DOL Starter Wiring Diagram
Learn how a Direct-On-Line (DOL) starter controls a 3-phase induction motor using a circuit breaker, contactor, Start/Stop push buttons, and auxiliary contact. This simple setup provides reliable motor starting and stopping with basic control protection. Always follow the motor nameplate and electrical safety standards.

31/10/2026

Single-Phase Motor Wiring Made Easy!
Understand how to identify the Common (C), Starting (S), and Running (R) terminals and connect the capacitor correctly. This simple wiring diagram helps you understand the basic working of a capacitor-start/run motor. Always verify the motor nameplate and wiring before making connections.

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