JohdotaJohdota device guide
Circuits
Basic control circuits with diagrams. Each one has a step-by-step explanation, the devices you need and the game tasks where you can wire the circuit yourself.
01Relay control
01Self-holding circuitThe contactor stays on when the start button is released.→02Control from two locationsStop buttons in series, start buttons in parallel.→03Reversing and interlockingTwo contactors that cannot energise at the same time.→04Star-delta startingStart in star, switch to delta with a timer relay.→05Timer relay circuitsOn-delay and off-delay with practical examples.→06Emergency stop circuitEmergency stop, reset and safety relay.→07Fault indicationA protection trip stops the motor and lights the fault light.→