When installing a wired GPS locator, you may come into contact with a line called ACC, so what does ACC line do and what is its use? What does ACC shut down mean?

First, ACC principle

ACC power supply, the power supply for automobiles, controlled by the car key, supplies power to some components such as car audio. ACC: Literally means accessory, in the car, ACC refers to before the car has not started, if there is a key ACC file, as long as the key to this position, some of the electricity is not too large equipment, such as: The radio, cigarette lighter, etc. are powered on, when the car ignites, a strong current is needed, then the ACC stops supplying power, and when the car ignites, it starts supplying power again. The full English name of ACC is "Adaptive Cruise Control", which means "adaptive cruise control" in Chinese.

2. Different states of ACC represent meanings

ACC line is mainly used for vehicle switch ignition stalling detection. As long as the locator has the ACC detection function and the vehicle is connected to the ACC line of the locator, the user can see the vehicle status on the positioning service platform.

When the car key is turned ON or the vehicle is running, the ACC of the vehicle inspection platform shows that it is open.

After the car key is turned OFF or the car key is pulled out, the ACC of the vehicle inspection platform shows that it is closed.

It can be used to determine whether the car is turned off or started, detect whether the vehicle is running or stopping, and can also be used to control the automatic fortification and withdrawal of vibration alarm and shift alarm reminders.

It should be noted that the ignition of the vehicle does not mean that the vehicle is in a driving state, and it is also necessary to check whether the vehicle has a driving speed. If it does, the vehicle is moving; if it does not, it is still parked.

ACC detection is mostly used by enterprises to monitor vehicle status and see if employees are wasting vehicle resources. Once it is found that the vehicle ACC is running, but the vehicle has no travel speed, it is possible that the employee is wasting the vehicle resources.

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