retrieve the Position of an axis

taconite

Hello guys,

is there an option to get the position of an axis as an actual value. In the object model there is a parameter called machinePosition (in the Move part) but I cant'get it.

What I like to do (attention pseudo code):
G1 Z{postion[U]+30}

Is something like this possible?

Thank you!

arhi

@taconite said in retrieve the Position of an axis:

What I like to do (attention pseudo code):
G1 Z{postion[U]+30}

G91               ; relative positioning
G0Z30             ; move Z 30mm
G90               ; absolute positioning

arhi

if you insist on using conditional g-code you can do

G90
G0 Z{move.axes[2].userPosition + 30}

but I'm not sure why would you do it, that's why the relative positioning exist

A Former User

I might expand on @arhi's input and use push and pop just to ensure no undesired side effects from using relative moves.

M120              ;push 
G91               ; relative positioning
G0Z30             ; move Z 30mm
M121              ;pop

That said, i think it would be possible to use move.axes[.... and he beat me to it again

taconite

@arhi @bearer
so I tried my luck with: move.axes[3].machinePosition but the addition did not work.

The use case is that at a certain point in a tool change macro the Z axis needs to be relative to the U axis (that's why I want to set the Position of the Z axis X mm (e.g. 30mm) from the U axis (because they have and have to have different homing positions).

So after your suggestions I tried G1 Z{move.axes[3].userPosition+30} and now it is perfectly working.

Thank you guys - you are the best!!!

taconite

and again another object model question

I would like to get the current status of the z-probe for an if statement

I can find it in the object model:
M409 K"sensors.probes[0].value"
{"key":"sensors.probes[0].value","flags":"","result":[1000]}

but when I try to echo the signal
echo sensors.probes[0].value
[array]

I don't get the information I would like to have (whether it is 0 (not triggered) or 1000 (triggered). Could you please once more help me - thank you in advance!!

Okay never mind!
echo sensors.probes[0].value[0] did the job!