This timer, which allows a time delay between 100 milliseconds and 56 hours, in reality, the timer is as follows also based on counting pulses from an oscillator, the difference lies partly in the fact that we do not see the oscillator as it is integrated into the CIP, and secondly that the duration the timing is more accurate and easier to program. En contrepartie (on ne peut pas tout avoir), il faut programmer un composant… In return (can not have everything), it must set a component …

Source: sonelec-musique