PWM OUTPUT

I USING PWM MODULE FOR ET200SP 6ES7132-6BD20-0DA0, I CAN GENERATE A PWM OUTPUT THE OUTPUT VOLTAJE FOR EACH CHANNEL IS 6V IS NORMAL THIS OUTPUT VOLTAJE ??? IT IS POSSIBLE GENERATE A OTHER VOLTAGE OUTPUT FOR EXAMPLE 8V or 10V

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The output voltage will be determined by the duty cycle of the PWM wave.  What are "powering"?

Have a look at this youtube video, it's not your application but it is short and very informative. Towards the end he will explain the relationship between duty cycle and RMS voltage.