Topics created by DanL

@danl Thank you so much for the fast response and for summarizing steps and providing the links.
I'll give it a shot.

Thank you....will try today.

Uh...never mind... my lack of knowledge. Just put in the proper address for my Duet and everything is running fine.

@zapta said in Pressure Advance - related settings:

@phaedrux said in Pressure Advance - related settings:

I prefer to live tune as well. I find the script too artificial.

How is it done 'live'? Do you use a special model? How do you tell if things get better or worse? What do you look for?

I use a technique similar to that described by Deckingman above, as well as a model that has identical layers all the way up so that you can compare different value ranges in a single model. Much like the cylinder that DanL shows in his picture, but I also try and use a more complex compound shape that has curves, hard corners and longer extrusion sections. Also, when I get tired of printing boring calibration objects I print other detailed models and tweak it as needed. I don't have a long bowden, so the amount of PA needed isn't much, and for me only varies from 0.025 to 0.05. I don't envy users of long bowden tubes.

@danl said in Resume.g question:

; resume.g
; called before a print from SD card is resumed
G1 R1 X0 Y0 Z5 F6000 ; go to 5mm above position of the last print move
G1 R1 X0 Y0 ; go back to the last print move
M83 ; relative extruder moves
G1 E10 F3600 ; extrude 10mm of filament

The way I read the above is that the extruder will rise 5mm, move to the last print position and then 10mm of filament will be deposited on top of that pause print position. Shouldn't the extrude filament command be before the move to the print ...as an extruder priming step at 0,0....and then move the extruder to the last position to start printing again?

If the pause.g file retracted 10mm of filament (which is OK with some hot ends, but not with the E3Dv6) then extruding 10mm in resume.g is correct. But if the intention was to extrude 10mm into a purge bin, it is obviously wrong to extrude it after moving to the resume position.

@veti
The Volcano is an older one - came with the used printer and had an unidentified thermistor taped to it. Dont know exactly what it is, but the calibration temp checks agree with the indicated T's. The bed and chamber thermistors looked the same as the one on the Volcano.
Hmmmm...I need to look at the V6. I bought that new. Have only run it at 210-220C and measured T was good.
Thank you for pointing it out. I need to recheck the V6 next time I use it and set the proper parameters.
About 4 or 5 extra thermistors - with white wires, small glass bulb, and no ID - came with the used printer. Will have to manually check T's again if/when I use them.

Thank you.

@Phaedrux , thank you.
BTW, I did use the forum search function for this, but didn't get a hit that helped. This morning I used Google to search and found a number of helpful posts on this forum.
I'll use Google i n the future. Again, thank you.

The "Look like Marlin" refers to the responses sent to the USB and Telnet ports when GCode commands are received from those ports. The M555 setting doesn't affect what GCode commands are supported.

@dc42 The problem I reported consistently since the first line in the original post was with a simple microswitch endstop:
@danl said in Filament Sensor Problem:

Using M591 to set up a filament sensor....simple m-switch, NO, connected to two outer pins on board connector and plugged in to EO endstop on Duet WiFi.

As stated, the deciding factor for me was getting random "filament out" messages during active printing and the print continuing just fine.
An exchange board is coming, and I think the this current one is being sent back to Duet3D. Again, thank you for all the time spent on this.

@deckingman said in M584 format question please...:

@danl Yes that's fine.
Longer answer. By default drive 4 would be an extruder but you have explicitly defined it as a Y axis drive which is perfectly correct.

...and the E3 parameter in your command means that driver 4 is no longer an extruder.

Solved....whoa...just one little dot.
Thank you.

Thank you, finally!

q1) the configurator normally does generate with z5. you might have set a parameter for the opposite direction on initial config.

q2) that depends on your M208 minima settings. it is set to the minima position.

A Y homing approach is becoming more clear as I get feedback.
Bought the FT5 used. Aligned all axes and mechanically tuned the whole thing. Very little slop and has printed a lot of small parts...approx 1x50mm size with detail...0.25 nozzle, 0.1 layers. So I think everything is pretty tight.
Really want to get Duet going and get back to printing.
So...I'll try this approach...use separate drivers on each Y stepper. Set up two microswitch endstops in series.
Home both the driver-paired Y steppers together (no separate U) at low speed, low current. Each side will have to reach the hard stop to trigger both series stops and set home on each side (305mm in this case). With little slop, both sides should reach their respective stops practically simultaneously. Any slight misalignment would be corrected per the hard endstops.
Stops seem to be very repeatable to 0.1mm activations.
I'll take a shot at new G-code for this.
Thanks.

@danl said in Two Y Steppers....followup Q's.:

one stepper starts getting out of alignment due to friction, step drift in motors or whatever?

then you get layer shifts like with one y motor. if that happens during printing you need to fix the mechanical problems or reduce jerk/acceleration. there are closed loop stepper motors that can sense and correct that but that should normally not be required.

q2) not that i am aware of.
you should run the steppers at about 75% of their max current or cool them very well.

if you are really worried about the 2 y getting out of sync than get a Endless belt and connect the 2 y axis to one motor. then they should not get out of sync.

Crossover belt option seems good, but difficult to implement.
So, to start out, since both Y steppers are already wired in a series harness, they will simply be plugged into the Y driver.