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While the program is running INIT must be set to FALSE. The
function is called up and the new PWM value is transferred. The
value is accepted if input CHANGE = TRUE.
The current of the initialised PWM channel can be measured via
the function FAST_ANALOG.
PWM_FREQUENCY is called up once for each channel during
the initialisation of the user program. Input INIT has to be set to
TRUE. During initialisation the frequency and the value
(DITHER_VALUE) are transferred.
The PWM_FREQUENCY value has to be the same for
channels 4...7. DITHER_VALUE can be set individually for
each channel.