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Ignore Limits option grayed out

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7 years 1 week ago #148709 by Aciera
Ignore Limits option grayed out was created by Aciera
My mill uses compressed air to compensate the weight of the z-axis. After shutdown the Z-axis sits on the Limit-Home switch an I used to check the "Ignore Limits" in the jogging screen to move the axis off the switch. Now for some reason (and after quite a bit of changing other stuff in the HAL and INI) I can't check the box as it is grayed out.
Is there a setting somewhere concerning the "Ignore Limits" checkbox being active or not?

Thanks

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7 years 1 week ago #148717 by pl7i92
Replied by pl7i92 on topic Ignore Limits option grayed out
you need to hit F2 or get the mashine restartet to get this option visible

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7 years 1 week ago #148785 by Aciera
Replied by Aciera on topic Ignore Limits option grayed out
Thanks for your reply.
When I try to start the machine with F2 there is a message saying the machine cannot be started because an end switch is active. I'll try to get a screen shot next time I'm in the shop.

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7 years 1 week ago - 7 years 1 week ago #148786 by Aciera
Replied by Aciera on topic Ignore Limits option grayed out
So here we are:
The machine sits on the Z-Limit/Home switch and I cant start the machine (F2). The errors are:
"Error: Joint 2 on limit switch"
"ERROR: Can't start machine. Is there a limit switch active?"

So I have to change the HAL and set the display to "axis", comment out the gmoccapy-postgui.hal and restart LinuxCNC with axis screen and I can check the "Ignore Limits" checkbox and move the axis oft the limit switch.
Why is this not possible in my gmoccapy? This used to work (I think).
Warning: Spoiler!
Last edit: 7 years 1 week ago by Aciera.

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7 years 6 days ago #148818 by Aciera
Replied by Aciera on topic Ignore Limits option grayed out
Solved.
In gmoccapy as opposed to axis I have to go into E-Stop an out again for the "Ignore Limits" checkbox to become available.

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7 years 3 days ago #149056 by andypugh
Replied by andypugh on topic Ignore Limits option grayed out
My mill does this, but I don't have this problem.

I think that if you activate "HOME_IGNORE_LIMITS" on the INI then the problem might go away.
(Though thinking further, it shouldn't. I will try to look in more detail at the behaviour of my machine this evening)

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