How to wait for X seconds in GCODE

Hello,

When I start my program
I start with the following sequence

G17 G21 G90

G00 X0 Y0 Z9.999 M03

then the rest

How can I wait for 5 seconds after the M03 to be sure that my spindle manages to reach the required speed ? I know that it does so in 5 seconds.

Only the on/off of the spindle is digitally controlled on my setup.

Considering doing this via an M1xx user defined command linked to a batch like this :
all this in a M101 file...

A bit violent, is there something smarter ?

Hi

www.linuxcnc.org/docs/devel/html/gcode/gcode.html#sec:G4-Dwell

G4 P5

will do what you want.

I do the same all the time to ensure spindle is up to speed on my lathe before commencing a program

regards

Thanks ! So the cause of all this is my poor English...

I was looking for a sleep or wait command, had no idea what dwell meant....

I think it is called that because of the typical usage for it, which is to dwell at the bottom of a hole to ensure cut depth
or above a hole to allow swarf clearance etc

regards

As a non-daily CNC hobbyist/operator, I have an M0/Pause after M5, w/a (MSG, Paused for spindle to reach speed.)

I find this wait very helpful to compose myself for the havoc my code is about to unleash.