Posts made by Triet

I know the M221 command, which allows me to multiply the current extrusion rate defined in the slicer by a factor to increase or decrease it.

But how to I set the extrusion rate directly? I mean how to set it so that 100% would mean all e-steps per rotation (200 for example or as calibrated). I would then rather redefine the extrusion rate replacing (not correcting) what is set in the slicer, for the current gcode session.

Sorry if this is a stupid question, I did not find the answer looking at the RRF gcode dictionary.

@DIY-O-Sphere OK, I knew I would make a fool of myself with this question, now I feel a bit embarrassed but well informed. Thanks!

If the printer is in the process of shutting down via "M81 S1", or perhaps due to a set dwell time, how do I cancel that? How do I stop the waiting without proceeding with what would have happened if the time had passed as originally designated?

I cannot find the command in the documentation because I am missing the right keywords when searching.

@dc42 said in Bed heater fuse always blowing:

Have you measured the resistance of the bed heater?

I should have begun with that question.
I measured 1.6 Ohm. Which brings us to 15 A. Nice, no? At times it takes weeks to blow, at times the second day. Chinese fuses are more tolerant

I replaced the fuse with a 20A one and will keep an eye on that. I re-tightened the bed heater terminals to avoid additional heat there (I once already had an issue with bad loose contacts).

@dc42 Thanks!
I never thought it would be possible to use an external switch because I was asuming that the current is somehow regulated (not just on/off).

What I already tried was to glue an aluminum heat dissipator on the fuse, but surprisingly, it blows even earlier then.

I will go for the mosfet switch but that is an effort.

The 15A fuse for the bed heater in my Duet2 WiFi gets blown aprox. every week, or perhaps every dozen of times used. This always happens when starting to heat the bed (at aprox. 40 deg.C).

I have read that this is because the circuit is dimensioned up to 18A, but since there are no such fuses (at least I can't find one with the proper size), I have to use 15A, which is too small.

Is there a trick to limit the current used to heat the bed? Doing the heating slower for example? How would I do that?

Thanks in advance.

@infiniteloop I have changed my start code as you proposed, next time I will see what happens.
Although I don't feel completely confident, since the documentation states for M400:

"release all axes and extruders owned by the current motion system except for axes/extruders needed by the current tool"

and I don't know the exact meaning/repercutions of that release action. Steppers should stay available for printing!

I have put this on my start code for the slicer:

M300 S1024 P150 ; beep at 1 kHz for 150 ms

and according to the documentaion:
"Play beep sound, use to notify events like the end of printing. If an LCD device is attached to RepRapFirmware, a sound is played via the add-on touch screen control panel. Else the web interface will play a beep sound."

So I would expect the PanelDue to play that sound, but I cannot hear anything.
What am I doing wrong?

(using Duet2 WiFi and PanelDue 5" with current software).

@chrishamm OK, thanks.

@chrishamm
I tried out the simulation in the DWC.
Actually, the simulation calculates more than just the total print time, since it shows duration for each layer grafically.

Is there a way to get that data as numerical values in a text file? Perhaps with a different granularity?

@chrishamm
Well, this is what one gets from Klipper_Estimator:

$ ./klipper_estimator [config options] estimate ~/3DBenchy.data
Sequences:
Run 0:
Total moves: 42876
Total distance: 73313.01640025008
Total extrude distance: 3407.877500000097
Minimal time: 1h29m9.948s (5349.947936969622)
Average flow: 1.5321468696371368 mm3/s
Phases:
Acceleration: 27m4.291s
Cruise: 35m1.116s
Deceleration: 27m4.291s
Moves:
Layer times:
0 => 2.536s
... [some lines omitted for brevity]
48 => 4.834s
Kind times:
4m23.463s => FILL
2.639s => Other
18m0.185s => SOLID-FILL
28m29.706s => WALL-INNER
38m13.706s => WALL-OUTER

(you might take a look at https://github.com/Annex-Engineering/klipper_estimator).

I am afraid that what the DWC outputs will not be enough, but I will check it.

Could I use that feature from a command line?

I use Orca to slice the models for my RRF printer and need to use a postprocessor which depends on more or less exact estimations of execution times for each move in the gcode file.

There is such a program for Klipper users called "Klipper_Estimator.exe" and I would need the equivalent to analyse a gcode in RRF flavor. I assume that the actual estimation calculations themselves would be similar but the program does not accept gcode generated for RRF due to some trivialities I think.

Does anyone know about such a program compatible with RRF gcode files?

@jay_s_uk You did a great job identifying the right place to customize the software (at least for me, it would have been a lot of work).

Anyways, considering that in this case I would need to host the whole programming environment for this minor change, which would not be persistent at the next release, I decided to rather try to create a macro and use the BtnCmd plugin to make it available in DWC.

Thanks for your help.

@oliof Thanks, I will try that out.

I would like to let the DWC execute M81 S1 when clicking "Off" in order to allow the heated nozzle to cool down before actual shutdown takes places.

Is that somehow possible? Since the is already an "Emergency Stop" in DWC, a controlled shutdown should be possible I think.

@jay_s_uk said in How to modify behaviour of the "STOP" button in PanelDue:

@Triet it'll b e somewhere in the paneldue firmware https://github.com/Duet3D/PanelDueFirmware

I meant where to change what DWC executes (requiring M81 S1 but executing M81 S0).

I already checked the built-in configuration capabilities of the DWC in the GUI and found... nothing.

Currently, I am forced to babysit the 3d printer in order to shut it down when the nozzle is heated to avoid clogging (for the regular printing case I changed the end-gcode in the slicer to allow a controlled shutdown).

@jay_s_uk said in How to modify behaviour of the "STOP" button in PanelDue:

@Triet M81 is ran https://docs.duet3d.com/en/User_manual/Reference/Gcodes#m81-atx-power-off

Obviously, M81 S0 (default) is executed. What I need is M81 S1 (S1 turns power off when all thermostatic fans have turned off).

Where can I change that? The DWC already has an "Emergency Stop", I don't need a second one...

@jay_s_uk said in How to modify behaviour of the "STOP" button in PanelDue:

theres no way to turn the printer off with the paneldue

Surprising, but true nontheless.

Then let me re-word my question:
What script is executed when I click the "Off" button in the "ATX Power" area of the Dashboard Menu in DWC?

Then I would be able to adapt that script.

@jay_s_uk OK, The "STOP" button is just for an emergency - I understand.
Should I be shamed to ask where to shutdown the 3d printer in a regular way using PanelDue?

I wish that when I touch the "STOP" button in PanelDue the printer does not shut down immediately, but first checks the temperature of the nozzle and if it is over about 50 deg C then the nozzle heater is switched off and then the shutdown will wait until its temperature has reached 50 deg C.

I checked my stop.g script, but it is empty, which is a surprise to me. And now I have no clue what script is executed by the "STOP" button of PanelDue.

Anyone able to help here?