Re: Life is just a dream

["joe bury" <joebury-at-hotmail.com>]

Ray,
   We knew that we needed to change the ini. However we spent a lot of time 
trying to correct that error.
   Today when the error came up we clicked on the ok box and we where able 
to get out of e-stop just as you said we would.
   The problem now is that the mist on and off button dose not respond as 
well as any of the other control buttons. We even tried to run a small 
program with no luck. What steps are necessary to fix this?
   Also when this problem is resolved where do we wire in our relay? Will it 
be to the stg board or the parallel port and witch terminals?
                                               Thank you,
                                                       Joe Bury


>From: Ray Henry <rehenry-at-up.net>
>Reply-To: emc-at-nist.gov
>To: Multiple recipients of list <emc-at-nist.gov>
>Subject: Re: Life is just a dream
>Date: Fri, 10 May 2002 09:46:31 -0400 (EDT)
>
>
>
>Joe
>
>Once again you are being bitten by the polarity of a couple of the 
>variables
>in your ini.  bridgeportio uses two pins on the aux parport to sense and 
>set
>estop.  The sense one must be correct for your port.  The set one doesn't
>really matter.  You will encounter an error message when you try to come 
>out
>of estop because bridgeportio expects the sense pin to change when the set
>pin says that the EMC has come out of estop.  Just okay the message and you
>should be able to run.  I've snipped out the relevant lines below.
>
>---snipped ini---
>; digital in bits
>
>ESTOP_SENSE_INDEX         =     1
><s>
>; digital in polarity, 0 is inverted, 1 is normal
>; controller compares with polarity, equal means on, not equal means off
>
>ESTOP_SENSE_POLARITY      =     0
><s>
>; digital out bits
><s>
>ESTOP_WRITE_INDEX         =     10
><s>
>; digital out polarity, 0 is inverted, 1 is normal
>; controller writes the polarity to turn on, opposite of polarity to turn
>  off
><s>
>ESTOP_WRITE_POLARITY      =     1
>---end---
>
>You learned a few posts back that the index refers to the pin and that pin
>nuumber is assignable through the ini.  What isn't assignable this way is 
>the
>logic that relates to the aux signals.  This logic is hard coded in the I/O
>software.
>
>I don't know what you are doing with the z but in most situations you will
>want a little bit of dwell between the z down command and the start of
>motion.  This can be accomodated by putting a dwell (g4 pnn) on the line
>after the coolant on command.  The problem is that you have to remember to
>put it in your code each time
>
>The same thing can also be accomplished without any need to change the 
>g-code
>by using the spindle forward and stop because there is already a settable
>dwell there on both ends for spindle brake off and on.  These times are
>settable in the ini using the two variables below.
>
>; wait times in seconds for spindle brake, release
>SPINDLE_OFF_WAIT          =     1.0
>SPINDLE_ON_WAIT           =     1.5
>
>Hope this helps
>
>Ray
>
>
>On Friday 10 May 2002 02:24, you wrote:
> > Dean,
> >    My son Jason may be close to solving the problem. We are trying to 
>use
> > mist on and mist off to control the up and down air cylinder of the Z 
>axis.
> > We had to switch from minimill to bridgeport. Now we are experiencing
> > problems with coming out of e-stop. None of the conventional cures seem 
>to
> > work. We are using a BDI install with a stg8 board. I believe that most 
>of
> > my problems in the past have been related to the linkage of the emc 
>program
> > and the stg board.
> >    I'm actually looking forward to the G-code. At least there should be 
>a
> > certain amount of predictability.
> >                                                   Joe
> >
> > From: "Dean L. Hedin" <dlh2001-at-comcast.net>
> >
> > >Reply-To: emc-at-nist.gov
> > >To: Multiple recipients of list <emc-at-nist.gov>
> > >Subject: Re: Life is just a dream
> > >Date: Thu, 9 May 2002 01:44:02 -0400 (EDT)
> > >
> > >
> > >I agree with you to some degree.  But I have to admit, I am impressed
> > >with how far I've come since October of last year.
> > >
> > >I am a programmer by trade.  But you know what?  Setting up/configuing
> > >EMC was not the hard part.  The hard parts were aspects of the machine
> > >itself,
> > >and learning the subtleties of g-code and optimal tool paths.
> > >
> > >With the machine (3 axis router) it was the harnessing & hook up of the
> > >controller, proper stepper motor sizing,  limit switches etc...
> > >
> > >With the g-code it was more of an experience thing.  Learning not to 
>waste
> > >motion.   Using a larger bit whenever possible, etc..
> > >
> > >Where are you at right now Joe?  Maybe we can help you along.
> > >
> > >On Tuesday 07 May 2002 05:08 pm, joe bury wrote:
> > > > List,
> > > >    Some days I wish I never heard of the emc program. It has been 
>one
> > > > of the most frustrating events of my life. I know there's a learning
> > > > curve
> > >
> > >to
> > >
> > > > most things. But it doesn't apply here. Even when you do the 
>research
> > >
> > >and
> > >
> > > > put in the time there so many quirks that you can't tell if your 
>coming
> > >
> > >or
> > >
> > > > going. It keeps you holding on with success  always just around the
> > >
> > >corner.
> > >
> > > > When nist said they want to expand the use of cnc and to open up the
> > >
> > >market
> > >
> > > > this is a laugh. Because the program is not user friendly. You need 
>to
> > >
> > >be a
> > >
> > > > computer programmer to wade thru the code. It tickles me when a 
>newbie
> > > > comes on board, if only they knew what lies ahead. This said and 
>done I
> > > > guess I'll start pounding my head against the wall again tomorrow,
> > >
> > >because
> > >
> > > > I'm not a quitter.
> > > >                                                    Joe Bury
> > > >
> > > > _________________________________________________________________
> > > > Get your FREE download of MSN Explorer at
> > >
> > >http://explorer.msn.com/intl.asp.
> >
> > _________________________________________________________________
> > Join the world’s largest e-mail service with MSN Hotmail.
> > http://www.hotmail.com
>


_________________________________________________________________
Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp.