RE: Angular fourth axis wit BDI-TNG version of EMC

["j.guenther" <vze2z45u-at-verizon.net>]

Ray,

It might have been, I will up the MAX_VELOCITY for that axis tonight and see
what happens.

John Guenther

> -----Original Message-----
> From: emc-at-nist.gov [emc-at-nist.gov]On Behalf Of Ray Henry
> Sent: Tuesday, July 02, 2002 11:11 AM
> To: Multiple recipients of list
> Subject: Re: Angular fourth axis wit BDI-TNG version of EMC
>
>
>
>
> John
>
> I think that the MAX_VELOCITY = 0.2 in this case will mean that you get a
> degree every five seconds.  Is it possible that it was moving but
> you did not
> see it?
>
> Ray
>
>
> On Monday 01 July 2002 21:06, you wrote:
> > Hello,
> >
> > I am becoming convinced that EMC and my Sherline CNC rotary
> table are not
> > going to get along.  I have EMC configured for the fourth axis
> with these
> > parameters in the emc.ini file:
> >
> > TYPE = ANGULAR
> > Units = 1.0
> > Input_Scale = 80
> > Output_Scale = 80.00
> > MAX_VELOCITY = 0.2
> >
> > The axis will not move with these settings and will give
> following errors.
> > If I change the input and output scale to 28800 the axis will move but
> > requires you to enter all moves of less than 1 full revolution
> of the table
> > as decimal moves.  For example, a move of 90 degrees would be
> entered as g1
> > a0.25 which will work but is not what I want to do.  The driver is
> > currently a Camtronics 5AMP Bipolar driver set for 1/2 step mode.
> >
> > I have the table working correctly with TurboCNC but I would
> prefer using
> > it with EMC.  Is this a freqmod.o problem in the BDI-THG
> release?  Should I
> > go back to BDI 2.14 and try it with steppermod.o to see if it
> works better.
> > Since steppermod.o does not work with the bDI-TNG and the rtai real time
> > stuff I will need to reinstall to go back to BDI 2.14 which is
> inconvient
> > but not impossible.
> >
> > Thanks
> >
> > John Guenther
> > Sterling, Virginia
>