OEG OEG20-6-130 Bedienungsanleitung Seite 48

48
8. PWM speed control
Explanation PWM input signal
Duty cycle (d%)
D% = t/T
For example:
T = 2 ms (500 Hz)
t = 0.6 ms
D% = 100 x 0.6/2 = 30 %
UiH = 4 ~24 V
UiL ≤ 1 V
liH ≤ 10 mA
Code
T
d
U iH
U iL
I iH
GB
Circulation pump for heating and solar
Descriptions
cycle
duty cycle
input voltage, upper value
Input voltage, lower value
Resulting input current, upper value
Highly efficient. Simple. Good!