Prusa MK4/XL read strain gauge sensor data

MichaelW257

Hi,

We are currently in a research project and would like to read out the strain gauge values of the DMS of a Prusa MK4/XL that is used for nozzle probing and filament stuckage currently.
The display of the the printer can display the values so I am wondering if they could be read out also in the console?

Best regards
Michael

Repetier

How is the value reported from the printer?
Do you need a special command to get the value or is it included e.g. in temperature report which you can already show in console with ack disabled and temperature filter turned off.

MichaelW257

Unfortunately we don't know. M105 filter turned off (Prusa XL, has 16 segmented bed heating elements/thermistors) reads the following data:

Recv:14:38:27.960: T:25.00/0.00 B:24.27/0.00 C:-30.00/0.00 X0:26.00/36.00 A:36.88/0.00 T0:25.00/0.00 T1:25.00/0.00 T2:6.00/0.00 T3:6.00/0.00 T4:6.00/0.00 T5:6.00/0.00 @:0 B@:0 HBR@:0 @0:0 @1:0 @2:0 @3:0 @4:0 @5:0 B_0_0:24.50/0.00 B_1_0:24.30/0.00 B_2_0:24.10/0.00 B_3_0:24.20/0.00 B_0_1:24.20/0.00 B_1_1:24.30/0.00 B_2_1:24.40/0.00 B_3_1:24.10/0.00 B_0_2:24.30/0.00 B_1_2:24.40/0.00 B_2_2:24.30/0.00 B_3_2:24.10/0.00 B_0_3:24.20/0.00 B_1_3:24.40/0.00 B_2_3:24.30/0.00 B_3_3:24.30/0.00

I tried to home Z and compare those values before/after hitting the bed but I assume the load cell values are not in there.

While printing the live status of the sensor can be read on the MK4/XL LCD via:
Tune --> Info --> Sensor Info --> Loadcell value

Repetier

Looks like it is only showing temperatures. Looked into prusa gcode list
https://help.prusa3d.com/article/buddy-firmware-specific-g-code-commands_633112#special-other-commands<br/><br/>but did not find a candidate, so maybe it is not readable externally.

MichaelW257

Me neither unfortunately...
Thank You !