On Thu, 2017-04-13 at 07:04 +0000, giorgio foga wrote:
> Ciao Valerio,
>
>
> It is a new machine or used?
it is a new machine,
> Because actually the emergency law (uni - direttiva macchine) talk about 4
> level of emergency ... in one of these levels we talk specifically about
> enable. In any case by the law yuo're making a new machinery, did you know
> that? In UE retrofit understood as the mean in other part of the world no
> longher exist. [☹]
Yes, I am building a new machine, but that machine will never leave the
lab :-)
>
> These only for your info ... in real world many system integrators not very
> strictly comply with CE laws on security ... in fact sometimes are overly
> restrictive. unfortunately the risk becomes all of those who break the law.
> Not worth it.
>
>
> regards
>
> giorgio
>
>
> ________________________________
> Da: Valerio Bellizzomi <vale...@selnet.org>
> Inviato: mercoledì 12 aprile 2017 19.44
> A: Enhanced Machine Controller (EMC)
> Oggetto: Re: [Emc-users] mesa setup
>
> Ciao Giorgio,
> my other machine was actually sold to me without the enable pin in the
> safety chain.
>
>
>
>
>
> On Wed, 2017-04-12 at 16:19 +0000, giorgio foga wrote:
> > Hi Valerio,
> >
> >
> >
> > Peter suggest obviusly is right,but in our laws (CE) if there is you must
> > use the enable pin in the safety chain .... obviously if the machine is for
> > you and only you can do as you please. I know it's something to be pedantic
> > people ... but I think it is correct inform you since you're still under
> > development.
> >
> >
> > regards
> >
> > giorgio
> >
> > ________________________________
> > Da: Valerio Bellizzomi <vale...@selnet.org>
> > Inviato: mercoledì 12 aprile 2017 10.07
> > A: Enhanced Machine Controller (EMC)
> > Oggetto: Re: [Emc-users] mesa setup
> >
> > Thanks to all,
> > now that I think to, on my other machine the driver enable is left
> > unconnected, so I think I will leave them unconnected.
> >
> > Valerio
> >
> > On Tue, 2017-04-11 at 11:53 -0700, Peter C. Wallace wrote:
> > > On Tue, 11 Apr 2017, Valerio Bellizzomi wrote:
> > >
> > > > Date: Tue, 11 Apr 2017 20:25:04 +0200
> > > > From: Valerio Bellizzomi <vale...@selnet.org>
> > > > Reply-To: "Enhanced Machine Controller (EMC)"
> > > > <emc-users@lists.sourceforge.net>
> > > > To: EMC Users <emc-users@lists.sourceforge.net>
> > > > Subject: [Emc-users] mesa setup
> > > >
> > > > Hello,
> > > > I am looking at the 7i76 manual and at the TB2 connector pinout (page
> > > > 5), it is evident where to connect the step and dir wires, it is less
> > > > evident where to connect the enable+ and enable- wires for each motor
> > > > driver.
> > > >
> > > > What is the usual setup ?
> > > >
> > >
> > >
> > > Normally Step drive "enable" pins are actually disable pins
> > > so the drive functions normally without these being connected
> > >
> > > In addition typically step drives are fairly safe in that unlike servo
> > > drives, they will not move without step pulses
> > >
> > > So its most common that these pins are just ignored
> > >
> > > If they are actually enable pins (powered to enable drive),
> > > they can be driven by a spare step/dir pin or 7I76 field output
> > >
> > > If your enable pins are actually disable pins (and you must power them to
> > > disable the drive), and you feel you need to disble them for things like
> > > emergency stop, perhaps the best solution is to drive them with a normally
> > > closed relay contact so the drives are disabled until the relay is
> > > energized
> > >
> > >
> > >
> > > Peter Wallace
> > > Mesa Electronics
> > >
> > > (\__/)
> > > (='.'=) This is Bunny. Copy and paste bunny into your
> > > (")_(") signature to help him gain world domination.
> > >
> > >
>
>
>
> ------------------------------------------------------------------------------
> Check out the vibrant tech community on one of the world's most
> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
> _______________________________________________
> Emc-users mailing list
> Emc-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/emc-users
> Emc-users Info Page -
> SourceForge<https://lists.sourceforge.net/lists/listinfo/emc-users>
> lists.sourceforge.net
> This list is for users of the Enhanced Machine Controller (EMC). Topics
> include how to obtain, install, configure, and use EMC, as well as other
> general EMC related ...
>
>
> ------------------------------------------------------------------------------
> Check out the vibrant tech community on one of the world's most
> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
> _______________________________________________ Emc-users mailing list
> Emc-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/emc-users
------------------------------------------------------------------------------
Check out the vibrant tech community on one of the world's most
engaging tech sites, Slashdot.org! http://sdm.link/slashdot
_______________________________________________
Emc-users mailing list
Emc-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/emc-users
