punching machine

Hello, I have an old punching machine to run, I need help with the hall configuration and the subsequent use of the program so that I can make it using a simple coordinate program (ngcgui subs with drilling for a milling machine are best for this purpose) but there is an axis there that I don't have in the machine. It seems to me that all you need to do is not connect the Z axis from the control board and perform automatic homing when you press the "homing all" button (but I don't know if the other two axes go to the limit switches).
Maybe my reasoning for this action (drilling) is wrong, or maybe it just needs to be modified.
My assumptions for control:
Input signals:
1 x axis homing, then y axis homing (under one signal pin)
2 sheet metal limit switch (the idea is that if the sheet slides out of the holder, the program will stop (motion blocked if there is no signal)
3 piston limit switch, upper position (passes)
4 piston limit switch, lower position (work)
5 e-stops
Output signals:
1 axis x (allow movement when there is a signal from limit switch 3)
2nd axis (allow movement when there is a signal from limit switch 3)
3 piston movement down (continuous constant signal until limit switch signal 4 is obtained) (relay control)
4 upward movement of the piston (continuous constant signal until limit switch signal 3 is obtained) (relay control)

Please analyze my assumptions to see if it makes sense. Maybe there are some configuration examples somewhere.
Sorry for the language, translator. Regards

Or maybe it is possible to make a simple configuration for 2 axes and use the M100 function in the program, which will trigger a high state on output port 1 and maintain this state until the signal from limit switch 1 appears. After detecting the signal from limit switch 1, a signal will be given on the output port 2 until the signal of limit switch 2 appears. And then the next program will be continued?

andypugh wrote:

You might want to use feed-hold to pause the axis motion except when the spindle is at the top of the stroke.
 

That's the idea

Do you expect to have a separate G-code line for every punched hole?

I don't mind having each hole in a separate line of code, I hope they can be generated using a simple ngcgui algorithm (e.g. drilling on a milling machine)

andypugh wrote:

Do you have a multi-tool head? 

the head is a manual change

BigJohnT post=16332 userid=405
Seems like you have a lot of fun ahead of you.

To connect a motion digital output to a parallel port pin you will have to modify a .hal file. If you use Stepconf Wizard to create your configuration then do the modifications in custom.hal. To "connect" motion digital output pin 0 to the parallel port pin 17 you could create a line like the following.

net digital-out-0 motion.digital-out-00 => parport.0.pin-17-out


Now to use the digital out pin you need the following in your g code file


[code]M64 P0 (turn on digital out pin 0)
G4 P10 (pause for 10 seconds, just so you can see the pin turn on)
M65 P0 (turn off digital out pin 0)


Notice after reading the manual for digital I/O pins [url=http://linuxcnc.org/docview/2.5/html/gcode/m-code.html#_m62_to_m65_output_control_a_id_sec_m62_m65_a]here that the above code will not work for M62/M63.

John[/url]

[/code]

I found a way to use the m64 code. My problem is to stop the z axis movement until it is canceled by m65. I would like m65 to be called automatically after applying the limit switch signal (upper position of the piston) and allowing the program to continue with g codes