- Original Message -
From: "John Kasunich" <[EMAIL PROTECTED]>
>
> You don't want in integrator. It won't stop when it reached the
> desired
> speed, it just keeps going.
I was thinking of having the input to the integrator being based on the
error between the command rpm and the fee
RogerN wrote:
> I probably don't need closed loop spindle speed control, I just thought
> since I have the encoder, and two unused axis available, why not! After
> spending some time reading the hal documentation tonight I got an idea
> that might work. What if I used HAL's integrator with co
- Original Message -
From: "John Kasunich" <[EMAIL PROTECTED]>
> Are you sure you really need to close the speed loop? Or would it be
> sufficient to simply send the appropriate command to the VFD?
> "Appropriate" means that it has been corrected for the gear ratio for
> whatever gear y
On Wed, 2007-07-25 at 14:38 -0400, John Kasunich wrote:
> RogerN wrote:
> > For the 850 RPM gear range, I need 2-3 second decel, for the 2800 RPM, I
> > need around 8 second decel. I could use a drive input to select between
> > motor 1 and motor 2 and have different decel times for the motors.
RogerN wrote:
> For the 850 RPM gear range, I need 2-3 second decel, for the 2800 RPM, I
> need around 8 second decel. I could use a drive input to select between
> motor 1 and motor 2 and have different decel times for the motors.
>
> Thanks
> Roger Neal
Are you sure you really need to close
t; <[EMAIL PROTECTED]>
To: "Enhanced Machine Controller (EMC)"
Sent: Wednesday, July 25, 2007 1:13 PM
Subject: Re: [Emc-users] Lathe Spindle Speed Control?
> If it where me... I would put those limits into the vfd (spindle
> accel/decel) unless your going to try to close the
If it where me... I would put those limits into the vfd (spindle
accel/decel) unless your going to try to close the spindle speed loop
within emc.
sam
- Original Message -
From: "RogerN" <[EMAIL PROTECTED]>
To:
Sent: Wednesday, July 25, 2007 1:09 PM
Subject: [
RogerN wrote:
>I have my VFD forward and reverse connected to the M5i20 through the
>7i37 board, M3 & M4 works as they should.
>
>Now I need to connect the spindle speed control. The basic idea is to
>get the spindle speed command to the M5i20 dac 3. Since I have
>different gears, I would lik
I have my VFD forward and reverse connected to the M5i20 through the
7i37 board, M3 & M4 works as they should.
Now I need to connect the spindle speed control. The basic idea is to
get the spindle speed command to the M5i20 dac 3. Since I have
different gears, I would like to use my spindle e
