[RicknBeachcrest]

Still playing with the Ref All Home button script. I would like the Z axis to go up to work coordinate of 1, then the X,Y axis moves to the home position and then the Z axis go down to work coordinate 0. And in that order. What is happening is the Z axis will go up to 1 and then down to 0 and then the X, Y axis moves to the home position. Close but not quit there.

Here is the script that I used:

Code("G0 Z1.000")
' Wait for movement to complete
While IsMoving()
' Sleep, so other threads can run while we’re waiting
Sleep(100)
Wend
' Done

RefCombination(3)

' Wait for movement to complete
While IsMoving()
' Sleep, so other threads can run while we’re waiting
Sleep(100)
Wend
' Done

Code("G0 Z0.000")


DoOEMButton(133)
DoOEMButton(134)


Thanks.
Rick

[ger21]

Try this code, with the exact syntax:


Code "G0 Z1.0"

While IsMoving()
Wend

Sleep (200)

RefCombination(3)

While IsMoving()
Wend

Sleep (200)

Code "G0 Z0.0"

While IsMoving()
Wend

Sleep (200)
DoOemButton(133)
Sleep(200)
DoOemButton(134)
Sleep(200)



If it works, remove all the Sleep commands and see if it still works. It should.
Also, do you actually have encoder DRO's that you need to zero? If not, then get rif of the DoOemButton (134) and (135).

[ger21]

Just want to add this. I don't know exactly what you're trying to do, but I hope you have zeroed your Z axis to an appropriate position before running this code, to make sure you don't crasj the Z axis into the table.

[RicknBeachcrest]

Gerry, Thanks for taking time out of your holiday to answer this problem. I really appreciate it.

Here is the code I typed in:
Code "G0 Z1.0"

While IsMoving()
Wend

Sleep(200)
RefCombination(3)


While IsMoving()
Wend
Sleep(200)

Code "G0 Z0.0"

While IsMoving()
Wend
Sleep(200)


Good news , bad news... it works sometimes, the times it does not, it will move the X and Y axis to home then it will move all axis to 0. Seems a little possessed to me. I am using offsets of 2.5 on the X axis and 11.5 on the Y.

My test is press Ref All Home and when it is at home (DRO (work coordinates) will read -2.5,-11.5,0) I press the Go to Zero and all axis move to 0, then I press Ref All Home and so on.


So to add some more info: I move the X,Y axis with the mpg and then Ref All Home, sometimes it stays and on those that is does not it will move the X,Y,Z axis to the position that I was at prior to Ref All Home.


Thanks again.
Rick

[RicknBeachcrest]

And the saga continues...

I removed all the sleeps from the code. Good news is that it works very consistent, bad news it raises the Z axis to 1 then it lowers the Z axis to 0 and then it moves the X and Y axis to home.

Rick

[ger21]

Is this code in your Ref All home button? Do you have Home switches?

Are you using the parallel port, or a smoothstepper? Do you have Home switches?

If the parallel port, can you upload your .xml file?

So to add some more info: I move the X,Y axis with the mpg and then Ref All Home, sometimes it stays and on those that is does not it will move the X,Y,Z axis to the position that I was at prior to Ref All Home.

Are you saying that when you Ref All home it does different things? It should be doing the exact same thing, every time.

Please answer all the questions I asked, and zip and post your .xml file.

[RicknBeachcrest]

Is this code in your Ref All home button? Do you have Home switches?

Are you using the parallel port, or a smoothstepper? Do you have Home switches?

If the parallel port, can you upload your .xml file?



Are you saying that when you Ref All home it does different things? It should be doing the exact same thing, every time.

Please answer all the questions I asked, and zip and post your .xml file.

I'm using the parallel port. I have two home switches which are the hall effect type as described by Roman. Each one of these is connected to a separate input on the Gecko G540. I also have 5 limit switches (NC) wired in series to one input on the G540.

That is exactly what I am saying; the Ref All Home will be very inconsistent (in that it will do one of two possible things) when the Sleep() function is used. Without the Sleep() function in the script, it does the same thing, everytime (although not in the correct sequence).

I've attached a copy of the mach3mill xml file.

Thanks for all your help.

Rick

PS. If I just put the RefCombination(3) in the script by itself, it works just as it should (both the x and y axis go to home, simultaneously).

[ger21]

OK, I can duplicate your results, so I'm guessing it's some kind of bug. There's no reason for the X and Y axis to be moving.

I have found a workaround that seems to work 100% of the time (that I was testing it )

The following code will move the X and Y axis 1/2" off the home switches before moving the Z axis, but they won't go back to their previous position like before.


Code "G0 Z1.0"
While IsMoving()
Wend

Sleep(200)

RefCombination(3)
While IsMoving()
Wend

Sleep(200)

Code "G53 G0 X0.5 Y0.5"
While IsMoving()
Wend

Code "G0 Z0"
While IsMoving()
Wend

[RicknBeachcrest]

Works great now. Thanks for all your effort Gerry.

I did make a little change. I changed:
Code "G53 G0 X0.5 Y0.5"

to:
Code "G53 G0 X0.0 Y0.0"


I've run it a half dozen times. All times it does what it should.

I definitely learned a bit with this exercise.

Rick

[ger21]

What I do is use the Home Offsets on Config >Homing/Limits to make my home switch positions = -0.5, and then use Code "G53 G0 X0.0 Y0.0" To move to 0,0. This keeps my 0,0 position away from the Home switches.

[RicknBeachcrest]

What I do is use the Home Offsets on Config >Homing/Limits to make my home switch positions = -0.5, and then use Code "G53 G0 X0.0 Y0.0" To move to 0,0. This keeps my 0,0 position away from the Home switches.

Thanks for the tip. That is a great idea that I will be using.

Rick