Motor control 26 SEC
Inside a Contactor
Watch the coil energize, the armature move, and the main contacts close.
Explore the trainingCONTROLS EXPLAINED · SEASON 2
Go inside the devices behind industrial automation. Follow current through a contactor, watch a motor turn, and trace the signals between sensors, PLCs and HMI screens.
12 lessons
Motor control 26 SEC
Watch the coil energize, the armature move, and the main contacts close.
Explore the trainingMotor control 30 SEC
See how a thermal overload responds to sustained excess motor current.
Explore the trainingMotor control 28 SEC
See why forward and reverse contactors must never close together.
Explore the trainingMotors & drives 26 SEC
Explore the rotating magnetic field that drives an induction motor.
Explore the trainingSensors & wiring 26 SEC
Watch an inductive proximity sensor respond as metal enters its sensing range.
Explore the trainingSensors & wiring 30 SEC
Follow the different current paths through PNP and NPN sensor circuits.
Explore the trainingPLC & HMI 31 SEC
Follow the repeating input, logic, and output sequence inside a PLC.
Explore the trainingPLC & HMI 28 SEC
See how a 4–20 mA signal becomes a useful engineering value.
Explore the trainingMotors & drives 29 SEC
Follow the power stages inside a variable frequency drive.
Explore the trainingMotors & drives 25 SEC
Watch how a programmed speed ramp changes motor acceleration.
Explore the trainingPLC & HMI 29 SEC
Trace an HMI command through the PLC to a machine output.
Explore the trainingSensors & wiring 27 SEC
See why voltage can appear across an open contact in a connected circuit.
Explore the trainingLEARN BY DOING
Connect the concepts to a complete training job. Start with the free motor-starter lesson or choose a guided video tutorial.
These are simplified educational animations. Follow equipment manuals and your workplace procedures for real installations. Simulator practice supplements practical training and does not authorize electrical work.