My opinion.....

Possibly in e-stop reset, but NOT in e-stop itself. This is
a safety thing, if e-stop is generated by hardware NO
further operation should be possible until the operator
acknowledges the e-stop.

Steve Stallings


> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] Behalf Of Alex Joni
> Sent: Monday, August 06, 2007 3:50 AM
> To: emc-users@lists.sourceforge.net
> Subject: [Emc-users] Fw: [ emc-Bugs-1743942 ] MDI command in
> estop-resetruns in machine-on
>
>
> Hello,
>
> Pete brings up an interesting point.
> Is it allowed to issue some MDI commands while in e-stop reset or even
> e-stop mode?
> AXIS (the GUI) simply disables MDI while machine is not switched on.
> TkEMC relies on task to do the "right" thing, and enables MDI and allows
> users to send MDI commands, and task then discards the ones that are not
> allowed.
>
> What do you (CNC users ;) think should be the reasonable thing to
> do while
> the machine is not switched on?
>
> I can see valid reasons to do both approaches: some M-commands might be
> usefull while in E-stop .. to make some clampings move, activate things,
> etc.
> Otoh one might argue that while e-stop nothing is allowed to move/change.
>
> Awaiting your input.
>
> Regards,
> Alex
>
>
> ----- Original Message -----
> From: "SourceForge.net" <[EMAIL PROTECTED]>
> Subject: [ emc-Bugs-1743942 ] MDI command in estop-reset runs in
> machine-on
>
>
> > Bugs item #1743942, was opened at 2007-06-26 18:25
> >
https://sourceforge.net/tracker/?func=detail&atid=106744&aid=1743942&group_i
d=6744
>
> If an MDI command is issued in the estop-reset state, it is executed when
> the machine-on state is entered. I don't think entering the machine-on
> state should cause any motion or other type of command to execute. Any MDI
> commands issued in the estop-reset state should be ignored.
> ----------------------------------------------------------------------
>>Comment By: Pete Vavaroutsos (petev)
> Date: 2007-08-06 00:11
>
> No, the behavior is different with the current CVS/trunk build. An error
> is given that says the machine must be enabled in coord mode when an MDI
> linear move command is issued in the e-stop reset state. However, commands
> like M3 are exectured immediately in MDI mode when in the e-stop reset
> state. Try the following:
>
> 1) Start a sim session using tkemc.
> 2) Get to machine on and home all axis.
> 3) Switch to MDI mode.
> 4) Change to machine off state.
> 5) Issue M3 in the MDI entry box.
>


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