Homemade Workbee like 1515 duet 2 homing reversed on X-axis

You are either going to have to stick with the firmware provided by Ooznest (home UP, RIGHT, BACK - machine co-ordinates maxima) or write your own based on the the firmware provided by Duzoki. (link to wiki below). If you really want to start at the front left of the machine it would not be difficult to write a macro to use G0 moves in G53 to take it wherever you want it. I believe if you don't use Ooznest's firmware you won't have the machine co-ordinates in your DRO. PS - beware of grbl users giving advice on this - it's not quite the same.
Alex.

Gcode

Duet3D Documentation

 

That's because you are used to grbl. The default home position for the workbee/Duet/Ooznest firmware is RIGHT/BACK/UP and machine co-ordinates are set to machine maxima - not zero.
I haven't yet worked out how to set hard limits in Rep-Rap (don't see the point - soft limits works fine and hard limits would only come into play if the machine was missing steps and the controller was losing track of where the gantry is in the real world).
I noticed that you defined a logical drive U and assigned it to drive 3, but you have already assigned logical drive Y to drive 3?

 

Ooznest's firmware only uses the switches for homing - it completely ignores them the rest of the time.
On my phone at the moment and that makes it difficult to read your file, cross reference to the Duet wiki's etc, but will try to have another look at what you are trying to do later.
Alex.

 

G1 X3 F2400 ; go back a few mm

Should be;-

G1 X-3 F2400 ; go back a few mm

Alex.

 

At the risk of telling you things you already know;

The home position sets the machine co-ordinates system - with the Duet/Ooznest's firmware this is set at the maximum dimensions of the machine that you set in config.g (this is different to grbl! and confusing for grbl users)

Your work co-ordinate system (you have six available with the Duet - G54 to G59) is an offset from the machine co-ordinates. What the machine co-ordinates actually are doesn't matter as all the work is done in the work co-ordinate system.

You need to set the work co-ordinates zero (at the same place as you set the origin in your cam software). You can set this anywhere on your machine - just make sure you have enough room to make all necessary moves without hitting the limits (dimensions - not switches - the firmware uses soft limits by default - this line in config.g configures that [M564 S1 H1 ; Disable jog commands when not homed] and ignores any limit switches.

Your g-code would normally set absolute co-ordinates, but it is still referring to the work co-ordinate system - ie; the type of move. The homing macros switch to relative co-ordinates (ie; move nnn from where you are) but switch back to absolute co-ordinates when they finish (ie; move to this point nnn from zero)

I found it confusing at first that absolute co-ordinates refers to both a move within the work co-ordinate system and is used to refer to machine co-ordinates.

Hope that clears things up (and isn't insulting your intelligence!)

As you know G28 will run the home macro you specify (home all if you just send G28) but Rep-Rap g-code used on the Duet doesn't seem to have a G28.1 so you can't use it as you would with grbl to specify a position to return to other than home.

I know you wanted to set up so that you could control both Y axes independently for squaring the machine, but frankly I have squared my machine three times - when I built it, when one of my stepper leads broke and one Y axis went bananas, and once when I stupidly ran the X axis into a G-cramp. All of those were in the first few weeks - I haven't squared it again in the last eighteen months because it hasn't needed it.

Alex.

 

What version of the firmware from Ooznest are you using? I strongly recommend updating to the latest (V1.0.7), especially as you are used to grbl. The latest version uses G53 for machine co-ordinates, which is what you will be used to.

Update WorkBee Firmware

Alex.

 

sorry to dig up an old thread but im having a similar issue i beleive, im running a duet 3 via DWC rather than the ooznest interface and my axis when homed for X/Y read the maximum value, i have my endstops configured in the following orientation:

X - Low End
Y - High End
Z - High End

when homed my tool posotion shows this:

Tool Position
X0.0
Y1400.0
Z120.00

is there a way of flipping the displayed Axis orientation on the GUI via the config?

config below:

; General preferences
G90 ; send absolute coordinates...
M83 ; ...but relative extruder moves
M550 P"Lead 1510" ; set printer name

; Network
M552 P0.0.0.0 S1 ; enable network and acquire dynamic address via DHCP
M586 P0 S1 ; enable HTTP
M586 P1 S0 ; disable FTP
M586 P2 S0 ; disable Telnet

; Drives
M569 P0.1 S0 ; physical drive 0.1 goes backwards
M569 P0.3 S0 ; physical drive 0.3 goes backwards
M569 P0.2 S0 ; physical drive 0.2 goes backwards
M569 P0.4 S0 ; physical drive 0.5 goes backwards
M584 X0.1 Y0.3:04 Z0.2 E0.5 ; set drive mapping
M350 X16 Y16 Z16 E16 I1 ; configure microstepping with interpolation
M92 X401.69 Y401.57 Z400.76 E401.50 ; set steps per mm
M566 X300.00 Y300.00 Z60.00 E900.00 ; set maximum instantaneous speed changes (mm/min)
M203 X2500 Y2500 Z1000.00 E3000 ; set maximum speeds (mm/min)
M201 X400.00 Y400.00 Z50.00 E400.00 ; set accelerations (mm/s^2)
M906 X2100 Y2100 Z2100 E1400 I30 ; set motor currents (mA) and motor idle factor in per cent
M84 S30 ; Set idle timeout

; Axis Limits
M208 X0 Y0 Z0 S1 ; set axis minima
M208 X730 Y1400 Z120 S0 ; set axis maxima

; Endstops
M574 X1 S1 P"!io1.in" ; configure active-high endstop for low end on X via pin !io1.in
M574 Y2 S1 P"!io2.in" ; configure active-high endstop for high end on Y via pin !io2.in
M574 Z2 S1 P"!io5.in" ; configure active-high endstop for high end on Z via pin !io5.in

; Z-Probe
M558 K0 P8 C"!io7.in" H10 F120 T3000 ; Z probe 0 via pin io8.in
G31 Z10.0 ; set current probe status

; Heaters

; Fans
M950 F0 C"out4" Q500 ; create fan 0 on pin out4 and set its frequency
M106 P0 S0 H1 T30 ; set fan 0 value. Thermostatic control is turned on

; Tools
M563 P1 S"Router" D0 F0 ; define tool 1
G10 P1 X0 Y0 Z0 ; set tool 1 axis offsets
G10 P1 R0 S0 ; set initial tool 1 active and standby temperatures to 0C

 

I don't have the Duet 3, but I also don't understand your question - what exactly do you want to flip?

Alex.

 

PS - someone has developed a modification of the Ooznest interface for the Duet 3 - I'll try to find a link tomorrow if you are interested.
Alex.

 

yes please very interested, I've sorted the issue with the home position zero setting now, do you know if the ooznest interface for the duet 3 has the xyz probe facility?

 

Sorry - haven't been following this myself, but I believe the User Interface for the Duet 3 doesn't yet include the probe firmware. The link I was given is below. This is a user interface modelled on the Ooznest one - it is not by Ooznest.

Alex.

Preview version of CNC optimized DWC.

There is also this link to a facebook group discussion you might find interesting

The WorkBee CNC Group : I finally managed to upgrade my Duet2 Wifi board to the latest RepRap firmware 3.3.2

https://www.facebook.com/video.php?v=10224051653574938

 

ah right, i already have this thanks, running 3.2.2 currently with the joystick jogger plugin, havent found a way to use the openbuilds XYZ probe yet with the duet 3 without writing my own macro which i havent mastered yet. tough it may be on the officicial ooznest UI as im sure ive seen videos of a probing cycle on there.

 

Yes - the Ooznest UI has the probe firmware built in, but that only runs on the Duet 2. Getting a bit late here in the UK, but I'll message you tomorrow with the code Ooznest used to use in the probe macros before they built it in to the latest firmware version.
Alex.

 

thanks Alex, I'm also in the UK, I've just bit the bullet opted for the black box and interface, I'm going to store my duet 3 away for when i also purchase a 3D printer, right now i don't have the time to do as much tinkering as it will take to get my router working as it would 'out the box 'with the black box. the level of support for the duet 3 and cnc routers isn't there for me just yet, if i get to the point the black box isnt quite enough for my needs i may re-install my duet.

 

I am also waiting for the Duet 3 to "mature" in terms of cnc support - I really want it's ability, with the latest rep-rap firmware, to handle variables for things like bit setting - I'd like to semi-automate that.
Alex.