5 ms·
The signaling is surprisingly simple. There is no active negotiation, the EVSE just outputs a PWM signal to specify how much current the car is allowed to draw,
by thescriptkiddie 4y ago
The signaling is surprisingly simple. There is no active negotiation, the EVSE just outputs a PWM signal to specify how much current the car is allowed to draw, and the car uses a variable resistor to request the power be turned on or off.
https://en.wikipedia.org/wiki/SAE_J1772#Signaling https://en.wikipedia.org/wiki/SAE_J1772#Signaling