Electrolux EWM 3000 - Motor controling (Puls width modulation); Signals from main electronic board to the motor electronic

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599 51 13-50 EN
DGS-TDS-N 11.2004 C.D. © Electrolux
11. Motor controling (Puls width modulation)
t in s
T=1/16000
T
I / U
11.1 Signals from main electronic board to the motor electronic
Motor is controled with a pulsing DC, frequency 16kHz.
The revolution is controlled with the on- and off time of the DC.
If the drum revolution is the highest, we have the smallest off time.
Smallest possible off time is 2 %.
Motor electronic
Main electronic
Voltage input
Code for direction of drum
movement and tapping field
PTC temperature check
13V for Relay