I can runing jog before homing on axis shell

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06 Feb 2012 22:34 #17474 by RobotMatic
hello
jog move the axes before homing on axis shell, and break my swich on axes. it's posible don't move te axes before homing when EMC2 start ?

thanks

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06 Feb 2012 23:32 #17475 by Rick G
Do you have it set up as a homing switch or a limit switch?
A limit switch should stop the movement,
On some systems you need to jog over to home.

Rick G

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07 Feb 2012 15:30 #17488 by RobotMatic
thank !
i am set up homing switch. but my problem is on start emc2, before the homing, jog move is active, and my machine move axis en jog mode !! .

i need first homing secuence and after move axis in jog mode. It's posible whit line comand on ini file.

for example, no_force_home = 0 , dont's start program cnc before the homing. I need the same for jog mode.!!!

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07 Feb 2012 16:13 #17489 by BigJohnT
You might do something in HAL to connect up axis is homed to your jog...

Normally jogging is allowed before homing so you can jog a machine to a safe position to home the machine.

John

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07 Feb 2012 16:26 #17491 by RobotMatic
thank john !!
ini file don't have a comand for firts homing and second hability jog mode when EMC2 start ?

if false, i' m change the switch configure for home + limit x,y,z


eduardo

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07 Feb 2012 18:23 #17494 by BigJohnT
I'm sorry but I don't understand your question, could you try and rephrase it?

John

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07 Feb 2012 18:46 #17495 by RobotMatic
i'm sorry ,my cuestion is : have EMC2 a line comand in .ini file for stop JOG mode on axis (x,y,z,a) before homing secuence ?

thank a lot john !!!!!!

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07 Feb 2012 22:02 #17496 by BigJohnT
There is no config setting to prevent jogging before home.

It would be more complicated than that to try and prevent jogging before homing.

Is there some reason to not allow jogging before an axis is homed like inexperienced machine operators or something like that?

What version are you using?

John

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08 Feb 2012 13:09 #17502 by RobotMatic
thank a lot John!!!

yes !! i'm buider machine and the inexperienced machine operators is my problem!!

I ' m using 2.4.6 .

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09 Feb 2012 16:55 #17527 by BigJohnT
It seems to be fairly easy to prevent a jog input from an external device like a button if your not homed but I don't see an easy way to prevent jogging from the keyboard without hacking axis.py perhaps.

John

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