Functional description
The additional function reduces the PWM frequency of 16 kHz to 8 kHz.
When DIP switch S1/7 is set to "ON", the unit operates with an 8 kHz PWM frequency and switches back to 4 kHz depending on the heat sink temperature.
|
S1/7 without additional function 6 |
S1/7 with additional function 6 | |
|---|---|---|
|
ON |
PWM frequency variable |
PWM frequency variable |
|
16, 8, 4 kHz |
8, 4 kHz | |
|
OFF |
PWM frequency 4 kHz |
PWM frequency 4 kHz |
