Hello Andy,
I was using PWM as I thought a particular frequency will be used at a single
time. Is it so that its not advisable to change frequencies at run time in PWM ?
No, I haven't tried the stepgen in velocity mode and have no clue about it.
Please suggest me an example how to generate pulses with T-On = 2ms and T-off =
4.7 ms (as an example)Is it suitable for variable frequencies(changing
frequencies at run time ) and variable duty cycle?
BRAdi
From: andy pugh <[email protected]>
To: adit bhargava <[email protected]>
Cc: Enhanced Machine Controller (EMC) <[email protected]>
Sent: Wednesday, May 18, 2016 3:23 PM
Subject: Re: [Emc-users] How to assign values to pwmgen parameters(duty-cycle,
frequency, etc, ) from GUI ?
On 18 May 2016 at 04:49, adit bhargava <[email protected]> wrote:
> The base thread frequency is 100 micro seconds.
Available frequencies at 100uS are a few Hz apart, so it shouldn't be that.
> The application demands to turn-on the piston knob for 2 ms at various
> frequencies.
So why are you using a PWM at all? A PWM is for fixed frequency and
variable duty cycle. Your requirement is a lot closer to a stepgen.
Have you tried using a stepgen in velocity mode?
--
atp
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