Versions Compared

Old Version 5

changes.mady.by.user Pierre-Luc Renault (Unlicensed)

Saved on

compared with

New Version Current

changes.mady.by.user Pierre-Luc Renault (Unlicensed)

Saved on

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

PWM Generator Settings

Units

Default Value

Description

Frequency

Hz

0

Defines the frequency of the carrier signal that is used to generate PWM.

Note

Some error in the signal frequency may exist for frequencies below 1kHz. See PEA-133 in the Known Issues for more information.

Duty Cycle

%

0%

Fraction of one period for which the PWM signal is active, as a percentage. Changing this value will update the default value of the Duty Cycle channel that corresponds to the selected PWM generator. 

Dead Time

Seconds

0s

Time during which both the PWM signal and its complementary are held in an inactive state, immediately before the PWM signal goes active.

Phase Shift

Degrees

0 deg

Phase offset of the generated PWM relative to the other PWMs using the same frequency engine. 

Polarity


High

The polarity of the signal. 

  • Active High - Outputs a HIGH voltage when the signal is True and a LOW voltage when the signal is False. 

  • Active Low - Outputs a HIGH voltage when the signal is False and a LOW voltage when the signal is True.

Wave Mode


Asymmetric

Defines the location of the signal pulse within the PWM period. 

  • Symmetric - The pulse is centered within the PWM period. 

  • Asymmetric - The rising edge of the pulse is aligned with beginning of the PWM period. 

Update Moment


Beginning

Defines when the Duty Cycle is updated to a commanded value.

  • Beginning - The PWM duty cycle is updated to a new value at the beginning of the PWM period.

  • Middle - The PWM duty cycle is updated to a new value and the middle of the PWM period.

  • Both - The PWM duty cycle is updated to a new value at the beginning and middle of the PWM period.

...