The control unit provides ignition thanks to a reliably programmed characteristic field.
With a characteristically controlled ignition system, the ignition timing depends on the respective engine operating mode. Measurement objects are engine speed, engine temperature and engine load (intake pipe vacuum, throttle position) at the moment, because there is a difference in whether the machine is moving, for example, at 4000 rpm downhill or uphill.
The required characteristic field of the ignition system is obtained empirically and, by checking the condition of the engine in motion, is calculated so that fuel consumption, exhaust gases and driving characteristics are optimal. The obtained values are recorded in the control device.
While driving, signals are sent to the control device about the engine speed, engine temperature, load, which then, based on the characteristic ignition field, determine the ignition moment corresponding to the operating state of the engine at a given time, for example, 10°before TDC or 0°.
In the event of malfunctions in the control unit, a drop in engine power is possible. It is also possible to increase fuel consumption. These shortcomings should not be feared if they are eliminated in a timely manner.
The ignition distributor is equipped with a maintenance-free Hall sensor. The Hall sensor consists of a magnetic screen and a rotating diaphragm mounted on the distributor shaft.
The Hall sender determines, via the ignition control unit, the moment when the ignition coil is switched off and energized and thus the moment of ignition.
The high voltage transformer combines the ignition coil, the switching device and the final power stage in one housing. This helps to reduce voltage losses in electrical wires and plug connections.
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