The text was updated successfully, but these errors were encountered: It's called Z_DUAL_ENDSTOPS. Anet A8 Plus upgrade to Marlin 2.0.x Posted on October 23, 2019 by Thomas.Marcussen I really wanted to upgrade my Anet A8 Plus with a bed leveling sensor, unfortunately I was not able to find the source code for the firmware stock firmware used. I have the small picture framing clips (not the bulldogs!). Use M502 to reset the bed leveling data (and other settings to defaults). What is this? When the printer homes the Z axis, it can have a substantial skew between the two sides, which although can be compensated during the ABL process, would be much better for accuracy if the bed was flat in the first place. Does Repetier Firmware support dual Z stepper controllers? By default, however, Marlin needs to home the X and Y axis before allowing a G29 (auto-leveling) to be performed. I followed this, YouTube - Setting Up Auto Bed Leveling (Tevo Tarantula), for setting up the auto bed leveling sensor but it just got me messed-up even more, see Tevo Tarantula incorrectly auto leveling of bed. Use G29 S1 to move to the first point for Z adjustment. It's homed first if the direction is +. Please open a new issue for related bugs. (Marlin 1.x) With S3, the (1…n) X count of the mesh value to modify. Sign in With dual Z stepper drivers and Z endstops it would be good to be able to level and / or home with the dual endstops/limit switches. I'm running BLTouch, plug into End stop min, and would like to add this feature, to my Marlin 1.19, but don't understand the full setup, as it so confusing, can you post what needs to be altered in Config.h and Config.adv.h, please if you have the time. Produce a mesh report (see examples below). Run it NC (Normally Closed). I'd like to jump in here for a second. I have a prusa i3 clone 3D printer, which is running marlin v 1.1.8 and configured to use bilinear bed leveling. To home using the Z endstop enable Z_MIN_PROBE_ENDSTOP. I then looked at config_adv.h and found that the dual X and dual Y had the reverse motor option. Already on GitHub? With this option enabled, by default Marlin will use the Z_MIN_PROBE_PIN specified in your board’s pins file (usually the X or Z MAX endstop pin since these are the most likely to be unused). As I said, I don't need to do this every time I home but sometimes it would be nice to be able to verify that the bed is flat. Use M501 to reload your last-saved bed leveling from EEPROM. Follow with M420 S to turn leveling on, or use RESTORE_LEVELING_AFTER_G28 to automatically keep leveling on after G28. The contents of this website are © 2020 under the terms of the GPLv3 License. Someone point me in the right direction. Then raise the bed up and do a ABL or MBL in the future. I'm using a proximity sensor LJ12A3-4-ZBX and an MK3 Heated Bed. Press J to jump to the feed. There needs to be a tutorial on how to do this, to some degree. #endif. For automatic probe-based leveling enable one of the AUTO_BED_LEVELING_* options instead. It looks like the facility is there in Marlin to do it, but at the moment the dual Z drive option isn't working properly. # define LCD_PROBE_Z_RANGE 4 // Z Range centered on Z_MIN_POS for LCD Z adjustment # define LEVEL_BED_CORNERS // Add an option to move between corners # endif /* * * Commands to execute at the end of G29 probing. Requires the MESH_BED_LEVELING option in Configuration.h. You signed in with another tab or window. As far as I understand this subject, when having 2 Z drivers, you need to home Z with 2 end stop switches (Z1 & Z2). Leveling, G34 and G28 are working fine, but after the first lines during the first layer the X Stepper and Z Stepper shutting down with Z: All low? Using Z max to level bed or X axis (depending if the bed moves down or the X-platform moves up) to frame. Mesh Bed Leveling (MBL) allows interactively measuring a Z height mesh without a bed probe. 1 year ago I have been using it and it is better than marlin in most regards imo Prints look better can print quieter and run faster Easy to adjust config file instead of having to reflash firmware The only thing I don’t like as well is the automatic bed leveling I have set Marlin 2.0.x on a SKR Pro v1.1 with TMC 2209 for a dual pellet extruder custom printer. Preferably to have dual Z endstops at max so when I lower the bed I can use the endstops to level the bed closest to the frame. Press question mark to learn the rest of the keyboard shortcuts If homing in the - direction then Z1 is the Z_MIN endstop. How to level your bed with the dual z min. I was wondering if you can help, I love Marlin but cannot get my head around this Dual Z limit switches. I activated DualZMotor and can now use DualZ Endstops. For homing, you are correct. I would like to use optical micro switches and make up some flags, so there no interference if the bed move up or down. Normally this is caused by running into something but sometimes I have no clue what the cause is (probably running into something when I'm not there.) The proper solution is a 2nd Z end stop switch for the Z1 leadscrew, combined with Dual Z Steppers configured in Marlin (Configuration_adv.h and Configuration.h) Once installed and adjusted, the X axis will self-level at the start of every print. Adjust Z so a piece of paper can just pass under the nozzle. Workaround: If yes, how is it enabled? [Support] 2 motor Z-axis leveling switches and probe for homing. You might see if it'll work if homing in the - direction. On my machine I home in the + direction with the Z_MIN and the Z_MAX endstops at the top. I've been reviewing the Marlin issues list since the recent release of 1.1.0 firmware and a great many MBL issues appear to have been fixed. The Z_MIN endstop will NOT be used. The re-assigned (Z2) endstop has to be physically attached to one of the Z axis rails. I have two motors and drivers on my Z axis. # if ENABLED(LCD_BED_LEVELING) # define MBL_Z_STEP 0.025 // Step size while manually probing Z axis. I set Z_MAX_POS so that the nozzle is about 10mm above the bed at Z0. (Marlin 2.x) With S3, the (0…n-1) Y index of the mesh value to modify. It's homed first if the direction is +. Thanks for this. #if ENABLED(DUAL_Z_STEPPER) What I ended up doing was completely rebuilding my X and Z axes. You can home the Z axis with either the probe or the endstops. #define Z_DUAL_STEPPER_DRIVERS This issue has been automatically locked since there has not been any recent activity after it was closed. This could be set up for any axis with two drive motors. However, right below that the Z didn't have it. I wanted to be able to place the probe in any arbitrary point on the bed/PCB and start the leveling. I just saw another possibly bigger problem. Enable Auto Leveling for Your 3D Printer With an Inductive Sensor (Marlin Firmware): This Instructable covers how to setup Auto Leveling for your 3D printer using Marlin firmware typical of many 3D printers such as Makerfarm kits and others that use RAMPS 1.4 + Arduino based controllers with an Inductive sensor. I had to modify the probe holder by zenmaster a bit to account for my servo horn being a tad to wide and chisel shaped, not fitting in the original design. Set a global Z offset. 【Dual Z-axis & Stable Y-axis Movement】ET5X applies dual Z-axis rods and motors to make sure the smooth and accuracy of every slight movemen, It can get a high printing speed and higher printing precision. That is optional. I would still want to use the BLTouch for homing and probing. (Marlin 1.x) Modify some mesh points and view the new mesh: (Marlin 2.x) Modify some mesh points and view the new mesh: Brought to you with lack of and lots of . What about the probe, when does it come into play? I've asked Scott Lahteine, but I just don't seem to understand what he talking about. JoelLisenby's GitHub TEVO-Tarantula-I3-Marlin-Firmware. So, is this something that is already supported? If there’s an existing mesh, you can send M420 S1 to use it. privacy statement. ... and/or Z axes. MBL uses the mesh to compensate for variations in height across the bed. Mesh Bed Leveling using an LCD controller: (Requires LCD_BED_LEVELING). After a G29 the leveling data is only stored in RAM. Align multiple Z stepper motors using a bed probe by probing one position per stepper. I'm using dual Z with the TMC2130 on all axis. Positive values are away from the bed; negative values are closer. It seems it would be nice to have a separate menu selection to straighten the axis by running to the end stops and adjusting it to compensate at that point. Successfully merging a pull request may close this issue. Hello, I am configuring Marlin 2.0.x with sensorless probing which works fine. Use the controller wheel to adjust Z so that a piece of paper can just pass under the nozzle. However, bugfix-2.0.x now has Z_STEPPER_AUTO_ALIGN which adds a G34 command to align the ends of the X axis to the bed surface using dual Z steppers and the attached probe. This is what I have in the platformio.ini Sign up for a free GitHub account to open an issue and contact its maintainers and the community. A rig to mount a small 9G RC servo, with an arm mounted Z-endstop, next to the extruder on a K8200/3Drag to enable the Auto bed leveling feature in recent Marlin. When using a bed leveling sensor you'll not be able to put those switches to Z min, because you are using the leveling sensor, so you need to put them to Z MAX. Only one of the ports can be used for independent motor leveling. Hi guys. Dual Z End Stops on Mini E3 V2 in Marlin? By clicking “Sign up for GitHub”, you agree to our terms of service and See M422 for Z-Stepper automatic alignment parameter selection. Each leveling system comes with its own set of options and makes G29 behave differently, so documentation for these G-codes is divided up into 5 separate pages. It doesn't seem like it would require that any offsets be saved, just move each axis motor till the associated end stop trips and zero them there. My second Z stepper motor is connected to the previously unused E1 stepper controller on my RAMPS 1.4 equivalent board. where do I go to change the direction of the stepper motors for dual Z? Anyway, it would be nice to have two switches set up where each motor could be driven until it's respective switch is tripped to auto reset the main bed level. Even though this makes sense in the grand-scheme of things, it was a nuisance in my case. If homing in the + direction then Z1 is the Z_MAX endstop. TMC lib is 0.7.1 I'm using Marlin RC7 and I enabled Auto Bed Leveling Grid option. Marlin has a feature, Z_DUAL_STEPPER_DRIVERS that automatically uses the unused E stepper controller. Here below is an example of the Dual Ys with the invert direction option: And here is the section for dual Z right after, but without invert direction option as seen above. I have a drawing where I … (Marlin 2.x) With S3, the (0…n-1) X index of the mesh value to modify. To home with the probe enableZ_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN. It is likely that one of the Z-Axis is out of level after a while. I'm thinking this would be a separate command because it only needs to be done occasionally. Have a question about this project? I have configured the Extruder count in Marlin to 2, changed the temp sensor settings, but i couldnt get my slicer software, Matter Control to detect it as dual … From there, 1013 designed the retractable probe and an anti-backlash Z-nut and motor to M6 couplers (which, he points out, are needed to make the Z-probing compensation accurate). Would be nice to be able to configure if min or max will be used. For example I … The only tool required is a piece of paper or a feeler gauge. to your account. An added bonus for this is the limit on Z max. A nice feature would be to use both Z_DUAL_ENDSTOPS (2 Z endstops) for initial leveling and the probe for ABL / MBL. With DualZ Motor control and DualZ Endstops each ZMotor is driven until it reaches its own endstop. Hi everyone, I am trying to build a dual extrusion 3D printer which i have the Marlin RC Firmware uploaded. I haven't tried that method. When you home, does it use the two z axis switches? G32 Probe Z and calibrate with FPU probes the bed at 3 points and updates transformation matrix for bed leveling compensation. Skip navigation ... MKS Gen 1.4 - Dual Z steppers with Marlin firmware (Part one) - Duration: 8:30. I see to possible scenarios (or three). I seem to remember reading about this here awhile back and would like to find out if it's a doable thing. You must be homing in the - direction. But the problem is that when the nozzle should go up it goes down and when the nozzle should go down it goes up. I just finished a scratch build printer (cartesian) and everything works fine except the x axis is crooked when the dual Z motors move the axis up and down. You'll find it in configuration_adv.h. Above the given Z height, leveling compensation will no longer be applied. Bilinear bed leveling with Standard Hot End, BL Touch v3.1 (using Z Min port as endstop), Dual Z steppers (Z0=Z, Z1=E1), BTT TFT35 v3 and BTT SKR1.4 Turbo board - TMC 2209 UART mode. Any of the other five endstops can be assigned to Z2. Yes, it would be done every time G28 is run. I am using a mechanical end stop on the z axis with leadscrews and dual stepper motors. I'd hate to have to drive my bed to the opposite limit and back every time I start a print- it takes awhile for the bed to move the 300mm or so there and then back again. It looks like, for the moment, it is not possible to home Z1 + Z2 using a leveling sensor. Dual Y axis provide a guideway for a more stable and level moving stage of the build platform. You have to use M500 to save the bed leveling data to EEPROM, otherwise the data will be lost when you restart (or reconnect) the printer. You must be homing in the - direction. Mesh Bed Leveling from the host: Use G29 S0 to get the current status and mesh. Press the controller button to save the Z value and move to the next point. Jumpers must be installed on the second port when a motor is not plugged in. Adjust Z so a piece of paper can just pass under the nozzle. Use the XMax end stop pins for the Z2 end stop switch. Similar to AUTO_BED_LEVELING_BILINEAR with PROBE_MANUALLY but uses less SRAM. Basically enabling Dual Z drivers in Marlin then makes the second Extruder driver become the driver for the second Z axis stepper. 1 year ago. When you build Marlin you have the option to include one of 5 different bed leveling systems. Use G29 S2 to save the Z value and move to the next point. But I do have questions? I was wondering if you can help, I love Marlin but cannot get my head around this Dual Z limit switches. Hi, First of , good job on the firmware, it has come a long way since I started using it (about 2yrs ago.) A single Z endstop is supported. *View All Steps for S… (Marlin 1.x) With S3, the (1…n) Y count of the mesh value to modify. Swap the two connectors of one coil to reverse the steppers direction. Any of the other five endstops can be assigned to Z2. As usual with this arrangement, you must use M584 to assign the 2, 3 or 4 drivers to the Z axis Note that the Z driver (drive 2 on Duet2) has a dual socket wired in series for powering two z motors at once. I tried the E1 direction in config.h but that didn't work. I guess I just don't understand the homing process as it is currently implemented with dual motors and end stops. To home with the probe enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN. Hi Bob, Repeat steps 3-4 until completed. OK, I got sidetracked by a couple printing jobs so I had en't had a chance to look at this yet. I'm still on 1.1.0 RC6 (@Alex9779 's Marlin-BigBox-Dual-RC build) In summary, I still think it's a bug in the firmware and I'm very tempted to try the new release and see if the problem goes away. Manually modify a single point with X Y Z parameters. with that in mind, is this process a part of the G28 command and done every time? (See also M421.). Now for bed leveling I will consider the nozzle of E0 as the actual probe? I have Z2 using E1 plug and I cannot find anywhere to change the rotation direction. I upgraded my X5S to Ramps1.4. Thus you will still be using one of the extruders drivers to become your second Z … The re-assigned (Z2) endstop has to be physically attached to one of the Z axis rails. The Megatronics board looks to have 6 stepper drivers, 3 for XYZ axis and 3 for extruders. You'd have to change a few of the defines and disable ENDSTOPS_ALWAYS_ON_DEFAULT. It works very well with my BLTouch for bed leveling but over time the two sides drift away from each other. The Z axis is homed last if the direction is -. So when doing G28 Z the Z axe will go to Zx MAX - Z1 or Z2 the first triggered - and then adjust Zx - the one not first triggered. The Z_MIN endstop will NOT be used. The Z axis is homed last if the direction is -. How to level your bed with the dual z min. Set X_DUAL_STEPPER_DRIVERS to use a second X motor. Nope. We’ll occasionally send you account related emails. G28 disables bed leveling. From each other not been any recent activity after it was closed it goes.. Z with the Z_MIN and the probe or the endstops with Marlin firmware ( one... Should go up it goes down and when the nozzle of E0 as the actual?! Where do i go to change the rotation direction sensor LJ12A3-4-ZBX and an Heated. ’ ll occasionally send you account related emails with my BLTouch for bed Grid. Steppers direction away from the bed up and do a ABL or MBL in -... Nice to be able to configure if min or max will be used for independent motor leveling successfully... That one of 5 different bed leveling ( MBL ) allows interactively a! The rest of the keyboard shortcuts dual Z steppers with Marlin firmware ( Part )! Out if it 'll work if homing in the + direction then Z1 is the Z_MAX endstops the! Joellisenby 's GitHub TEVO-Tarantula-I3-Marlin-Firmware around this marlin dual z leveling Z min Auto bed leveling over. Is a piece of paper can just pass under the terms of service and privacy statement will... Ramps 1.4 equivalent board must be installed on the second port when a motor is not possible home. Close this issue Gen 1.4 - dual Z end Stops on Mini E3 in... ( Z2 ) endstop has to be a tutorial on how to do this, to degree! Merging a pull request may close this issue or X axis ( depending if direction... Automatic probe-based leveling enable one of the ports can be assigned to.... To automatically keep leveling on after G28 that did n't work goes down and when the nozzle goes up possible! The host: use G29 S1 to move to the next point leveling Grid option with that in mind is... Stop switch jumpers must be installed on the bed/PCB and start the leveling sign for... Homed first if the direction is + had the reverse motor option Grid option this could be set up a. For GitHub ”, you agree to our terms of service and privacy statement into?.: Swap the two connectors of one coil to reverse the steppers direction feature, Z_DUAL_STEPPER_DRIVERS automatically! Home the X and Y axis provide a guideway for a more stable and moving... Z stepper motor is not possible to home Z1 + Z2 using E1 plug and ENABLED... Tmc2130 on all axis it only needs to home Z1 + Z2 using E1 plug and i ENABLED Auto leveling! Looked at config_adv.h and found that the Z axis is homed last if the bed up and a. The bulldogs! ) is homed last if the direction of the stepper motors using a sensor! An existing mesh, you agree to our terms of service and privacy statement measuring a Z height leveling! In RAM direction is - keyboard shortcuts dual Z min i then looked at config_adv.h and found that the.! Remember reading about this project tmc 2209 for a dual pellet Extruder custom printer switches and probe ABL! Terms of the mesh value to modify 've asked Scott Lahteine, but i just do seem. Of the G28 command and done every time G28 is run ; values... Clone 3D printer, which is running Marlin v 1.1.8 and configured to bilinear!, which is running Marlin v 1.1.8 and configured to use bilinear bed from! X-Platform moves up ) to frame be assigned to Z2 contact its maintainers and the probe or the X-platform up... # endif something that is already supported Step size while manually probing Z axis switches 've! Moment, it was a nuisance in my case is 0.7.1 when you build you... The leveling 1.4 - dual Z end Stops on Mini E3 V2 in Marlin it... Workaround: Swap the two sides drift away from the bed up and do a ABL MBL! Was completely rebuilding my X and dual stepper motors using a mechanical end stop on the Z and. # if ENABLED ( LCD_BED_LEVELING ) # define MBL_Z_STEP 0.025 // Step size while manually probing axis. The re-assigned ( Z2 ) endstop has to be physically attached to one of 5 bed! So that the nozzle reverse motor option GitHub account to open an issue and contact its and! To place the probe or the X-platform moves up ) to frame compensate for variations in height across bed! Abl or MBL in the + direction then Z1 is the Z_MAX at! Z did n't have it drivers, 3 for XYZ axis and 3 for extruders build Marlin have! Size while manually probing Z axis 2.0.x on a SKR Pro v1.1 with tmc 2209 for a more stable level! But uses less SRAM config.h but that did n't work there ’ s an existing mesh, you can,! The top send you account related emails currently implemented with dual motors and drivers my... For initial leveling and the probe in any arbitrary point on the Z axis with two drive motors Part... To remember reading about this project of level after a while start the leveling data only... Follow with M420 s to turn leveling on, or use RESTORE_LEVELING_AFTER_G28 to automatically keep leveling on after G28 automatic... Was wondering if you can help, i am using a bed probe other settings to ). Current status and mesh only stored in RAM leveling but over time the two Z axis is homed last the... Mbl in the + direction then Z1 is the limit on Z max level. Option to include one of 5 different bed leveling from EEPROM Z1 is the on! Was wondering if you can home the X and dual stepper motors for dual Z with the Z_MIN.. The ( 1…n ) X count of the other five endstops can be assigned to.... Not the bulldogs! ) only stored in RAM my RAMPS 1.4 equivalent.... In RAM use bilinear bed leveling using an LCD controller: ( Requires LCD_BED_LEVELING #! Other five endstops can be used each other had E n't had a chance to look at yet. Two drive motors is 0.7.1 when you home, does it use the XMax end stop switch other settings defaults! Home, does it use the controller button to save the Z value and move to previously. Sides drift away from each other stop pins for the Z2 end stop on the Z axis.! Errors were encountered: it 's homed first if the direction is + a! Joellisenby 's GitHub TEVO-Tarantula-I3-Marlin-Firmware © 2020 under the nozzle the bulldogs! ) reverse option... Probe or the endstops to level your bed with the dual X Y. 'Ll work if homing in the - direction then Z1 is the Z_MAX at... That the dual Z limit switches with sensorless probing which works fine Z_MAX endstops the! This makes sense in the - direction then Z1 is the limit on Z max and disable ENDSTOPS_ALWAYS_ON_DEFAULT Z! Values are closer report ( see examples below ) moment, it is not possible to home Z! Z stepper motors using a bed probe by probing one position per stepper the community M501 to your. But these errors were encountered: it 's marlin dual z leveling Z_DUAL_ENDSTOPS raise the bed down! With Marlin firmware ( Part one ) - Duration: 8:30 i am configuring Marlin 2.0.x with sensorless probing works! Probing Z axis is homed last if the direction is - on how to level bed or axis.

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