on my machine - when following the steps I outlined in my previous
post as follows
added comments are in parens
mdi
(in AXIS)
G10 L2 P1 X2 Y2 Z2
G54
(the display changes to show X-2 Y-2 Z-2)
G90 G00 X0 Y0 Z0 - moves to machine postion X2 Y2 Z2
G10 L2 P1 X0 Y0 Z0 - look in var file - no change to G54
parameters (and no change to the displayed position)
G55
(the display changes to X0 Y0 Z0) (I had previously set G10 L2 P2 X0
Y0 Z0)
N1 G10 L2 P1 X0 Y0 Z0 - look in var file - change is applied to
G54 parameters (no display change)
G10 L2 P2 X1 Y1 Z1 - look in var file - no change to G55
parameters (no display change)
G54 (the display changes to show X2 Y2 Z2) (the N1 line was
allowed to change the G54 parameters because the G55 offset was
active) (if I had not changed the active offset from G54 to G55 EMC2
would not have changed the parameters for the G54 offset)
G10 L2 P2 X1 Y1 Z1 - look in var file - change is applied to G55
parameters (again - the G55 parameters were changed because the G55
offset was not active - the G54 offset was active)
Aram is setting the G54 offset with G10 L2 P1 Xxxx Yxxx Zxxx and then
setting G54 active and then issuing G10 L2 P1 Xyyy Yyyy Zyyy to change
the G54 parameters. EMC2 is not allowing that. If he would issue a G55
command prior to the second G10 L2 P1 line EMC2 would change the G54
parameters. He would then be able to issue a G54 again and have the
changes he is wanting to see. I can see the value of not changing
active work offsets as this could lead to immediate and probably
unexpected machine motion.
On Tue, Nov 18, 2008 at 9:47 PM, Stephen Wille Padnos <[EMAIL PROTECTED]> wrote:
> [EMAIL PROTECTED] wrote:
>
>>hi
>>the problem that i have is not in setting G54 first time.
>>the problem is in changing volume.
>>for intance G54 set to X1 Y1 Z1 , how to reset G54 to X3 Y3 Z3?
>>i can not reset volume G54.
>>
>>
> I don't understand what you're trying to do. G10 sets an origin, it
> does nothing to the work volume (except shift its position).
>
> Please explain the following:
>
> 1) What are you trying to accomplish? (I know you've told us, but I
> don't understand "change the volume", so please try to explain again)
> 2) What steps are you taking to accomplish your goal? Step by step
> please, don't leave anything out. Show us the G-code, tell us the mode
> changes (auto/MDI/jog ...), everything.
> 3) How are you determining that what you want is not happening? Are you
> expecting the user interface (which one, by the way) to change? Are you
> looking at the var file? What do you expect to see that you're not seeing?
>
> Hopefully the information on how to do what you want is in the manual
> (somewhere near where Chris pointed you), but it may be that EMC can't
> do it, or that there's another way to describe what you're trying to do.
>
> - Steve
>
>
>
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