I have TMC5160 with this board and motors plugged into Z0 and Z1 are working but I am not sure if the vref needs upping as the stepper is now driving 2 motors? Bottom line, if you are using ONE driver for TWO Z Motors then plug Z1 into Z1 and the 2nd motor into Z2. Please try Marlin RC8. #if NUM_Z_STEPPER_DRIVERS > 1 Thanks man Just unplug one & see if the other is spinning at the normal or the fast speed. bugfix-1.1.x Z motors spin at different speeds in same direction. // https://www.youtube.com/watch?v=sZuyGD4ciwk. I was just looking through the A4988 data sheet and it'll try to recover from an over current event every 20-40uS. Already on GitHub? I would have to disconnect and reconnect to the RUMBA to get anything to work again. Should I open different issue for my case? Download the dual x-carriage Marlin firmware (see link at top). https://www.youtube.com/watch?v=sZuyGD4ciwk, Hi, you are on the right way. 3D printer stepper motors only going one direction and skipping in the other. I have the same problem with Marlin 1.1.0 (branch «1.1.x»), one motor turns much more faster than another «original» z-axis, being connected to «Z-mot » port. The driver ICs are soldered to the board. //#define Z_MULTI_ENDSTOPS Marlin 1.0.? they are programmed on 1/16. to your account. hi my 1.7 stepper motors are using 1.7amp which it to much to share 1 stepper driver so im trying to get the seconded motor to run of e1 (extruder motor) so i can use z dual motors on z and e1 now ive been on google for a few days now and ive gottenthese bits changed in … The ZIP file contains pins_RAMPS.h files with that done. Does that firmware-controlled power supply option that @fiveangle says, is when I use a relay to turn ON/OFF the printer using a Raspberry Pi and octoprint? Digging it out would be a challenge. But if you want, I'll start digging in and we can bounce ideas back and forth. // For Z set the number of stepper drivers @thinkyhead , @Roxy-3D - I'm out of ideas on this one. Don't know what the pulse width is when it's set to zero. @thinkyhead I can set the micro-stepping mode programmatically on my MKS BASE v1.5. Warranty & Support Information. @thinkyhead you cut out these pin definitions from the bugfix-1.1.x branch yourself. Sign in Post by chris33 » Sat Nov 01, … Swapping stepper cables moves the extra speed to the other stepper. You need only the jumper on MS3. #define NUM_Z_STEPPER_DRIVERS 1 // (1-4) Z options change based on how many Tried to enable the "#define Z_DUAL_STEPPER_DRIVERS", from which the second motor is operating, but he has mad speed. share | improve this question | follow | edited Jan 12 '19 at 15:11. Sunhokey Prusa i3 axis x, y, z? Add to cart. Two, 2 Z axis motor can be connected to the Z motor 1, Z motor 2, other functions and MKS-Gen is the same. @JRosello it should be damn near the same, other than E-Step values I think. marlin stepper-driver. Marlin will see a single stepper motor. speed, Marlin bugfix-1.1.x - same problem as Marlin 1.1.0. I don't need custom values now and use the default ones (16 micro-steps). Marlin - Rumba - Dual Z drivers, z movement breaks movement on all axis December 12, 2015 12:50PM Registered: 4 years ago Posts: 7 ... And oddly after trying to move the Z motors neither X or Y axis motors would work after that. 4. Successfully merging a pull request may close this issue. Maybe the pot has some corrosion/dirt in it. Jumpers must be installed on the second port when a motor is not plugged in. I'd like to jump in here for a second. privacy statement. I have MKS Base v1.5 with 5 drivers on my Sunhokey Prusa i4 (clone of prusa i3). If you use no UART Mode then you need to set the vref up to the double of the vref for the first motor. I activated DualZMotor and can now use DualZ Endstops. I used your configuration files, downloaded it and printed out a list of the pins and the functions assigned to them. Here's a long shot. The way I read emails and issues caused me to miss this one. I didn't read this issue even though you flagged me on it. You can also try setting MINIMUM_STEPPER_PULSE to 10. RAMPS boards have jumpers that can be set up for various amounts of micro-stepping, and some boards have digital control. If you just dropped in the ones from RC8 and older can get strange results (and a lot of compiler errors). Note that the Z driver (drive 2 on Duet2) has a dual socket wired in series for powering two z motors at once. LinuxFerLife LinuxFerLife. #define E0_DRIVER_TYPE TMC2209, My single motor dual Z Marlin Configuration_adv.h: Already on GitHub? Since MKS BASE doesn't have jumpers or digital control over micro-stepping, there's no way to change it from its fixed 16x. You will need to increase the current for the z axis, but not double it. @Bob-the-Kuhn, I'll try your seggestions ASAP. Yes, I also was the one who added them in the first place. @Phantom-Code — Please share your pins file. Rough diagram _X_ _Y_ _Z1_ _Z2_ _E0_ _Null_ It seems to be driving ok apart from the steps per unit seem to be out. How to make driver of E1 for motor Z2 on RAMPS 1.4? When I have more time I'll post my full Marlin configs and pictures here and on Thingyverse. @code fantôme I use tmc2208 Standalone. Z motors spin at different speeds in same direction (We're only supporting up to MKS BASE 1.4.). You signed in with another tab or window. Tevo were kind enough to send along a dual axis upgrade kit as well as the TMC2208 upgrade kit. Increasing Vref might actually be a solution. All you need to do is swap the cables The only thing I can think of that the firmware change might have affected is the step pulse width to the controller chips. He's running dual Z drivers on a MKS Base v1.5 controller and seeing the following: I'm sorry. People using RAMPS with RepRaps, ORD Bots and other 3D printers wire their two Z motors in parallel. #define X_DRIVER_TYPE TMC2209 Hello Hmmm, I'm sorry, but I didn't mentioned yet, that I used Marlin 1.0.0 provided by Sunhokey. //#define Z_MULTI_ENDSTOPS Will also have NEO Pixel info and using "extra" pins for fan control as these are things that bugged me... P.S. Bla, Bla, Bla, If running TWO drivers for TWO Z motors, one for EACH Z axis then plug Z1 into Z1 and Z2 into E1. I apologize. Alignment of dual Z-axis steppers. #define X_DRIVER_TYPE TMC2209 #define E0_DRIVER_TYPE TMC2209, And DUAL DRIVER Dual Motor Configuration_adv.h: Have a question about this project? You've definitely got me scratching my head. You must use the M671 command to define the X and Y coordinates of the leadscrews. Instead of messing with regular endstops I chose to use Z-Min as the BLTouch Probe pin for my Z Probe and End Stop. Swap the cables for the two Z motors AT THE CONTROLLER. If your config files are up to date then please post them here. How do I enable Z1, only one stepper is moving. pins_RAMPS.zip. Does it matter if I change that value to 0? In that case I guess we'll add MKS_BASE_15 for a board that has digital micro-stepping, but not the HR drivers. For my part I try to do the opposite. Also, I can upload ZIP, if it still needed :) Look to enable “Z_DUAL_STEPPER_DRIVERS” in Configuration_adv.h in Marlin. You signed in with another tab or window. Z0 and Z1 appear to run off the same stepper driver, but I can't find any information on how to enable Z1. This is not needed but a cool feature. Bla, Bla, Bla. And the Z2 Endstop are at 'Y_Max' / E1DECT / Pin1.25. The Dual Z-Motors is an example of Marlin code where I know the functionality is there but I've never used it or looked at it... (You do remember me saying: Nobody can even know 1/2 the details of the Marlin code base???) Wasted lot of time until found your solution. I just tried Marlin-bugfix-1.1.x from yesterday and my dual Z is working correctly. #define Z_DRIVER_TYPE TMC2209 // This would drive BOTH Z Motors plugged in at Z1 and Z2 Besides trying RC8 I'd also like you to try the following with bugfix-1.1.x: Please also see if it's the Z or the E1 channel that's spinning too fast. Marlin firmware 1.0.x by Sunhokey. If turning the current up and setting MINIMUM_STEPPER_PULSE to 10 doesn't help then you could try moving the logical stepper channels to different sockets. 0scar ♦ 24.7k 6 6 gold badges 38 38 silver badges 103 103 bronze badges. Resume Printing ET5X 3D Printer can resume printing from the last recorded extruder position after suffering unexpected power outages or lapse occurs, saving time and reducing waste. Do both motors turn in the same direction at the same speed? with little torque. Please send a photo of how the Z2 motor is attached to the controller. If there's just one set of header pins (or one Z-motor socket of some other kind) ... Z Axis getting stuck with Marlin 1.1.0-RC7. 3. i.e. By default Marlin will assume separate nozzles all moving together on a single carriage. Z_STEP and E1_STEP have no other functions assigned to those pins. When I issue M43 I, there are no extra functions assigned to the Z and the E1/Z2 pins. It doesn't matter if one or more motors are actually connected. On 1.0.x torque is high enough, I can't block it even with three fingers when it connected to the axis rod. Better idea is the second one on E1. The skr 1.4 has Z0 and Z1 in addition to E0 and E1. how to modify microstepping directly in marlin? The same hw works very well with Marlin 1.0.0, I've changed firmware several times and ensured that it's software/configuration problem, no stepping motor adjustment needed. // For Z set the number of stepper drivers asked Jan 11 '19 at 16:04. I want to get my NEMA17 on 1/4. We’ll occasionally send you account related emails. Contain V1.1 MKS-Gen2Z; USB line Supporting products, not including, need to purchase another: 4 (5) stepping motor: 42 motor with wire Limit switch 3: MKS limit switch Motor drive 4988: 4 or 8825 Display 1: 2004 or 12864 Hot bed 1: MK3 Dual Z motors; Single Extruder; No auto level sensor; AM8 Frame; I also printed the SKR 1.3 mount.STL made by neb1 from Thingiverse, in order to mount the board on the AM8 2020 aluminium frame. Bottom line, if you are using ONE driver for TWO Z Motors then plug Z1 into Z1 and the 2nd motor into Z2. The second 'Z2' Motor must plug to the E1 Port and UART make after your changes all needed things. Not sure if anyone has successfully cracked this but I'm trying to set up a dual Z drive using the E1 port as a Z2 stepper driver. It is likely that one of the Z-Axis is out of level after a while. Have a question about this project? You don't have to tell the printer that there are two motors connected. Unfortunately it means you'll have to translate the config files as names and options have changed between RC8 & 1.1.x. privacy statement. If you find that you have HR4982 drivers, then you should set MOTHERBOARD to BOARD_MKS_BASE_HEROIC. Make sure the current limiting trimpot on the X axis pololu (and the second pololu you swapped out with) isn’t set too low. Define #define USE_YMAX_PLUG. #define Y_DRIVER_TYPE TMC2209 In my experience printing with a single lead screw on the Z-axis, it works fine with just one. I set X2_MIN_POS to 80 (this prevents the second extruder colliding with the first) and X2_MAX_POS to ~350 (this is the distance between … Do both motors turn in the same direction at the same speed? The biggest improvement in this kit are the Trinamic drivers, which make the machine run smoothly and quietly. Does this require 2 z-endstops? I have Allegro driver Sign up for a free GitHub account to open an issue and contact its maintainers and the community. // If you have an MKS BASE with Heroic HR4982 stepper drivers then you would first set your MOTHERBOARD to BOARD_MKS_BASE_HEROIC. See this commit, file pins_MKS_BASE.h. 9. #define Z_DUAL_STEPPER_DRIVERS. Without a doubt, setting the amount of steps a stepper motor needs to move per mm is important for dimensional accuracy. I'm planning to upgrade my electronics with a relay to do that... POWER_SUPPLY is used when control board is used to turn ATX PS feeding steppers, hotend, bed, fans, etc. See M422 for Z-Stepper automatic alignment parameter selection. Which versions of the MKS BASE board has them and which don't? Has he the same micro-stepping jumpers installed for both stepper drivers (Z and E1)? Thanks! @Phantom-Code Thank you! Sign in With these drivers you can only set 1x, 8x, 16x, or 128x micro-stepping. With DualZ Motor control and DualZ Endstops each ZMotor is driven until it reaches its own endstop. 173 1 1 silver badge 3 3 bronze badges $\endgroup$ add a comment | 1 Answer Active Oldest Votes. This value should be set to the total number of E stepper motors on the machine, even if there’s only a single nozzle. This fix work well on my Sunhokey Prusa I4. [1.1.x] Add BOARD_MKS_BASE_15 with digital micro-stepping, [2.0.x] Add BOARD_MKS_BASE_15 with digital micro-stepping. SKR 1.3 with TMC2208 in UART mode on AM8. I had custom updated Marlin 1.1.3 which was work well until I updated it today to 1.1.8 and got the same issue - Z axis motors rotated with different speed. If you want use endstops you need to cut the drag pin. We could set the step pulse width to 100uS and see if that fixes it. Top. Dual Z Stepper Motor Adapter w/Cable quantity. I've installed them both and updated the firmware and the machine runs great! My DUAL DRIVER DUAL Z Motor Configuration.h: Any thoughts? You can do this by pretending to just have one Z motor or go on to configure the G34 lines in configuration.h, As long as your HW is the same and VRefs are set the same you can just use this and BL-Touch Home off the center of the bed just fine. For Heroic HR4982 steppers the only allowed values are: And for other drivers the allowed values are: If you find that M351 S1 X0 plus M351 S2 X1 sets X micro-stepping to 128x (in testing, G1 X... will move less far) then you have Heroic drivers. Add to wishlist Search for: Product categories. It's about as easy to hack the hardware, too. #define Z_DRIVER_TYPE TMC2209 // This will STILL send juice to Z2 but don't use if using 2 Drivers Rough Diagram _X_ _Y_ _Z1_ _Null_ _E0_ _Z2_ ET5X 3D printer applies dual Z-axis rods and motors to make sure the smooth and accuracy of every slight movement. A fresh perspective is needed. I can't figure out why that's happening. We discussed micro-stepping pins for MKS BASE 1.5 earlier in this thread and I was able to change them programmatically before I solved my issue. If you need any help, please let me know. Ive built 2 printers from scratch so know the basics of setting up the configuration.h and all the other stuff that will need changing. See if it's better behaved with this file when using bugfix-1.1.x Thanks for the update. Going back and forth between the extremes a few times is usually enough to clear the corrosion/dirt out. By clicking “Sign up for GitHub”, you agree to our terms of service and I glued radiators on top of them so it's pretty hard to see. Z axis Stepper motors not working correctly. for marlin 1.1.9 - does this work on MKS Gen L board, setting Z_DUAL_STEPPER_DRIVERS using E1 as Z2? When I was investigating my issue, I used the datasheet from the A4982. Another really far out idea would be to play with the pin assignments and see if we can find a pair of channels that rotate at the same speed. Dual Z Stepper Motor Adapter w/Cable $ 4.99. Merge in any Bukobot Configuration.h changes. You can connect the second motor to E0 or E1 and modify Marlin. Maybe they should be defined in another file, I don't know. The 5160 can work with 60 V & up to 20A so you can say he has no limit. The over current threshold is dependent on the Vref setting. This issue has been automatically locked since there has not been any recent activity after it was closed. #if NUM_Z_STEPPER_DRIVERS > 1 Just ZIP them up and drop them on your reply. In the video at 2:36 you can notice how easy the motor stops by hand, with a simple touch, the torque is minimal there. There's not an obvious firmware reason why they'd rotate at different speeds since both step pins are written with the same macro. The text was updated successfully, but these errors were encountered: see this video @Roxy-3D - I'm out of ideas on this one. I have de same problem. And what if I do have an ATX PSU? Ok, hopefully this clarifies a bit more from what I have gotten via "translation" and trial and error regarding dual Z motors. on/off. I am playing with this on an Artillery Sidewinder X1, with a BL Touch. It's possible. And if you find that you have non-Heroic stepper drivers, then we will need to add a new board, BOARD_MKS_BASE_15. chris33 Posts: 51 Joined: Sat May 25, 2013 6:36 pm. 1x Z Rod for Motor Side; All-Metal Dual Z bracket with brass nut and 2x M3 Screws NOTE: Brass nut and 2x M3 Screws provided in parts bag (may not be installed in the bracket) Installation Guide Link; PSU Relocation Downloads; Installation Video . //A single Z stepper driver is usually used to drive 2 stepper motors. Press question mark to learn the rest of the keyboard shortcuts Align multiple Z stepper motors using a bed probe by probing one position per stepper. Using ATX PS on/off via RPi/OP happens upstream of control board so is completely independent of POWER_SUPPLY feature of Marlin. Hi I have enabled #define NUM_Z_STEPPER_DRIVERS 2 and am running all my drivers in UART with jumpers set properly. We’ll occasionally send you account related emails. Well, I cant tell about other boards but the MKS BASE v1.5 that I have can control its microstepping pins. Connect 2 motors on one side of X in series to Z stepper driver and connect 2 other motors in series to E1. @webhive I'm glad it helped. May be their engineers modified some settings elsewhere excepting Configuration.h and Configuration_adv.h. Works with the Ender 3, Ender 3 Pro, and CR-20 . Do both motors turn in the same direction at the same speed? Z-Axis doesn't work only during printing. Usually if the pulse is too narrow then we'd be losing steps. I'm doing the same mod on my SWX1 and having some issues. Before I kick this up to more experienced people, lets see if we can better identify when things went wrong. Re: RAMPS 1.4 & Marlin driving dual Y steppers. Only one of the ports can be used for independent motor leveling. User name ShawnM, give me a bit as I said I'm getting the printer up and going as I typed this so it may be a few before I'm able to post. Did you transfer your machine specific items to the config files that came with 1.1.0 ? #define NUM_Z_STEPPER_DRIVERS 2 // (1-4) Z options change based on how many Line 572-574: For sensorless homing, I have it set to 0 so that it bumps just once when homing. It can get a high printing speed and higher printing precision. Are they A4982 or are they HR4982? Marlin 1.0.? After replacing the belts with lead screws I need to pass X Y on 1/4 step. @shawnsm Thanks!! 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? If the stepper current is too low then we'd be losing steps, not gaining them. I'm using dual Z with the TMC2130 on all axis. @shawnsm any chance you can share your configs? TMC lib is 0.7.1. - both Z steppers rotate properly, Marlin 1.1.0 - one Z stepper rotates much faster than the other, the other is rotating at the 1.0.? // The next unused E driver will be assigned to the second Z stepper. #define Z2_DRIVER_TYPE TMC2209 // Instead this will fire up the E1 port for your 2nd Z The default configuration for most controller electronics such as RAMPS is to have the motors connected in parallel. Swap the cables for the two Z motors AT THE CONTROLLER. @Phantom-Code — Can you tell what kind of stepper drivers are on your board? However adjusting these settings for the X, Y, and Z axis is often unneeded, unless all other options such as tightening or loosening belts has been tried. So… please help! // Uncomment this option to use a separate stepper driver for each Z axis motor. Technical Support: TH3D Community Support. You Could define 2 endstops, however I'd STILL recommend using the BL Touch in this case and using Marlin 2.0.5.3 you can play with this code if you remove the belt (on Sidewinders/Genius's) that connect them to set individual Z-offsets. I just tried Marlin bugfix-1.1.x (c262ea9) with this configuration. Press J to jump to the feed. @Phantom-Code — The reason I ask is because we now have a MOTHERBOARD named BOARD_MKS_BASE_HEROIC that defines the needed micro-stepping pins and proper HIGH/LOW combinations used to set them. So, thank you @kizill! Please open a new issue for related bugs. Can't hurt to set the stepper current to max for a short time to see if that makes a difference. 4. Test the Y axis pololu with both the X and Y motors, then move the Y axis pololu to the place of the X axis pololu and test with both the X and Y axis motor (do not unplug motors or drivers while they are powered). to your account. how to modify microstepping directly in marlin? I have spare board MKS Base v1.5 and can make more photos at any time (just ask), but don't have motors for experiments, I'll have to use my printer. Whomever was my helpful authority on MKS BASE at the time didn't seem to know about different board versions. #define NUM_Z_STEPPER_DRIVERS 2 // (1-4) Z options change based on how many To set 8x on X and Y axes the command would be M350 X8 Y8. 1 is the minimum for that chip. I've got mine printing great finally, now some annoying little issues with the skr 1.4 not jiving with the tft 3.5 v3 with SD card slots and what not. A fresh perspective is needed. He's running dual Z drivers on a MKS Base v1.5 controller and seeing the following: Since it's an MKS product we can't get a schematic for it. Rough diagram _X_ _Y_ _Z1_ _Z2_ _E0_ _Null_ I've copied the RAMPS section out of the firmware from a MKS reseller site . works @thinkyhead I'm pretty sure I have A4982 drivers. This instructable is meant for owners of RepRap and other 3d Printers which use 2 stepper motors for the Z axis, as commonly seen in the Prusa or Mendel styles of printers, among many others. But I don't have any idea how to fix it. Successfully merging a pull request may close this issue. 3. Line 496: Enable this since we have 2 z stepper motors. It's still working via Octoprint and the TFT works however it only sees its internal sdisk atm. If you have a single nozzle, a switching extruder, a mixing extruder, or dual X carriages, specify that below. I realized today that in the video that the one Z motor was running a lot faster with 1.1.x than with 1.0.x. I'll as SKR arrives... damn a month and a half waiting. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. 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