with a single search and very easily. That's how I have my printer set up, at least. Configure BLTouch / 3DTouch in Marlin. Interrupts are disabled and live_state will never be updated again. Or am I doing something wrong? 0.6 mm (0.6 mm is example, note your actual) Use this formula to determine your Z offset needed: e.g. Edit: hit_on_purpose is ok and it works. Home is often done approaching bed, endstop are adjusted to be 'hit at pos 0', can't be lower that bed. Trying G1 Z0 will show the Z probe endstop is hit and Z won't go any lower. If you move from 0,0 to 2,1 the feedrate for X will be two times higher than the feedrate for Y. I'm not sure what you're trying to achieve, but changing the firmware probably isn't the right option. Z moves both directions (ok never goes below 0 but after a rise I can lower) Been using marlin 1.1 but wanted newest auto leveling and other bells and whistles. If those adjustments are big enough, after homing all hardware endstops are free. to your account, Before home: Successfully merging a pull request may close this issue. Have a question about this project? In Marlin 2.x, they’re now combined in NOZZLE_TO_PROBE_OFFSET. move rise but doesn't lower. Set Gap Between Nozzle And Bed Using G-Code, EEPROM & Marlin Firmware In Marlin 1.x, this was done with X, Y and Z_PROBE_OFFSET_FROM_EXTRUDER. Already on GitHub? After home: Already on GitHub? Have a question about this project? M503 to Read the current values. Axes do home and once both endstops are detected firmware calls validate_homing_move and everything is ok but after that it aligns Z and one of the axis may release the endstop. Place a piece of paper between the hotend and the print bed. Home is done ok, it is after it I can't move Z anymore down. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Now I'm checking inside stepper isr to see why it stop... Edit: Weird thing is that before home it moves... added a debug test inside stepper isr just after endstops.update() call. Skip to # 5 if you're familar with Configuration.h in Marlin. Deltas do have home adjustments , not only for 1 axis of a pair, but 3 adjustments for all 3 of their axes. I think that hit_state and live_state should be reset after validate_homing_move and not inside. #define NUM_AXIS 4. With Marlin 1.0, the Z-axis works great (and has been for three years). sequence example: What must be done is to clear live_state at home end if and only if endstops are not "continuosly" tested. Be sure that adjustment is always bigger than home bump mm for that axis. Still goes down to the same value as M851. I have a stationary Z Probe, but in Marlin it says Inductive probes need space to keep from triggering early. Specs: SKR1.3, TMC2130 Sensorless Homing, Marlin 2.0.5.3, Ender 3. I see. Now my Z doesn't go below 0 even if i have a negative z offset set by M851. Then you can do a M211 S0 to remove the safety measure for Z. Since I have #define Z_MIN_POS 0, why is the head moving below 0 ? EDIT: Re-checked and everything looks ok in this regard. In Marlin 2.x, they’re now combined in NOZZLE_TO_PROBE_OFFSET. I'm in process of editing marlin for my 3d printer (ender 3 with skr 1.4) and I'm almost finished but I'm running into a problem that my Z-axis when selected to move 10mm moves by 10cm, when by 1mm it moves by 1cm. Z offset = -2 + 0.6, meaning -1.4mm In Marlin 1.1.0 and up, the physical boundaries are maintained. Are there other settings than Z_PROBE_OFFSET_FROM_EXTRUDER that affect bed leveling? When I run G28 the X & Y home on their respective endstops as before, and Z now moves to the middle of the bed and homes Z using the Z probe. @AnHardt I can move z up 50mm, then m119 (all open), and then down 10mm. Also set_directions is called this confirm move is queued, I'm wondering, even if this is not my situation since I have DUAL_Z, if code below. Well, let’s start configuring our Marlin firmware to support BLTouch / 3DTouch sensors. No abort so endstops are not cause. Is my understanding of Z_MIN_POS wrong? Interrupts promptly may reset hit_state but live_state is set because of at least one micro is pressed. So thats good. It precedes a movement command (or other modifiers) on the same line. Everything is ok but it doesn't move down..never.. By clicking “Sign up for GitHub”, you agree to our terms of service and Note: Slicers tend to override firmware feedrates! Isn't that the min value for Z ? endstops are always enabled but you don't test them, I'll make a PR to solve my problem and I'll do what you will suggest me, so don't post any PR to fix them, @thinkyhead, @AnHardt and @ejtagle I finally discovered what is the real bug but I have some doubt about how to solve it. Instructions are in the comments. 3 3 0 0 0 0 0. Use M206 to apply a persistent offset to the native home position and coordinate space. What ive found so far: Physical endstop is triggered in the max when moving bed up to endstop, this is … In Marlin 1.1.0 and up, the physical boundaries are maintained. To manually adjust the z-offset is to first auto-home your gMax. Open the valve for Baricuda 1. baricuda BARICUDA M126 - Baricuda 1 Open. one question not related in endstop.cpp: @ejtagle another question: ... move Z-axis down by steps of 0.1 until it touches the paper. Simply make this change to the clamp_to_software_endstops function in Marlin_main.cpp: yes, that works. Now use the pronterface software to move Z lower until it grabs your test piece of paper. I am using Marlin 1.1.0-RC7. Move to where we think Z height 0 is: G1 F60 Z0; Disable software end stops - Be careful! $\begingroup$ No, the feedrate for the individual axes is calculated so that the total feedrate is 9000mm/s (e.g. Sign in Description. For now I guess I have to make sure nothing breaks... @Blue-Marlin will you care to submit a patch for this bug ? Is my understanding of Z_MIN_POS wrong ? You signed in with another tab or window. G1 X10.1 Y200.0 Z0.28 F1500.0 E15 ;Draw the first line G1 X10.4 Y200.0 Z0.28 F5000.0 ;Move to side a little G1 X10.4 Y20 Z0.28 F1500.0 E30 ;Draw the second line G92 E0 ;Reset Extruder G1 Z2.0 F3000 ;Move Z Axis up One last thing. This means you can no longer use G92 to move below the bed, for example. note the Z value (i.e 0.7mm) and subtract it from the initial value (2mm-0.7mm). Tried to implement latest Marlin on my reprappro with ramps 1.4. Hmm ja. If so - mesh, grid or 3-point? We’ll occasionally send you account related emails. M119 will report real input status so when I raise with Z it correctly say "open" but live_state tells another story and will block all "towards home" movements. This means you can no longer use G92 to move below the bed, for example. @ejtagle I think I've found my issue cause. You signed in with another tab or window. This issue has been automatically locked since there has not been any recent activity after it was closed. My idea is to remove hit_on_purpose call from the position it is now and move it after dual alignment and clear also live_state (when interrupt are enabled and endstop are not always tested). Marlin 2.0 introduces an option to maintain a separate default feedrate for G0. It's like z movement is multiplied by 10 and I'm not sure what I have to change in marlin code to fix it. # define MBL_Z_STEP 0.025 // Step size while manually probing Z axis. my variable is or'ed with abort_current_block and reset on M119 call. X, Y axis move fine (to right and back when adding +10 on the axis). I'm pretty sure these adjustments to the software endstops are no longer required, so I'm removing them in #3829 (which is mainly to fix an issue where switching extruders could cause movement beyond the software endstops). In Marlin 1.x, this was done with X, Y, and Z_PROBE_OFFSET_FROM_EXTRUDER. G1 Z-5 Recv: ok Send: M114 Recv: X:105.00 Y:10.00 Z:-3.60 E:0.00 Regardless what value I send for Z which is < -3.6 the head stops at -3.6, or whatever value I have set for M851. @MoonshineSG The software endstop for Z currently gets extended based on any negative probe offset and based on any negative home_offset (as set with M206). It’s safer to leave Z as 0 here are calibrate this yourself later. since aligned motor will move in opposite home direction, when just one endstop is released, generated interrupt will detect such direction and will not set hit_state again, after homing all hardware endstops are free. On SCARA machines G0 does a fast non-linear move. Adding the probe-z-offset is no big thing - but finding the right conditions for that to not break something else. When I run G29 (3 x 3 grid) all 9 points are probed and the LCD tells me that I am at z=0.79. In my Configuration.h i have #define Z_MIN_POS 0. #define Z_CLEARANCE_DEPLOY_PROBE 3 // Z Clearance for Deploy/Stow #define Z_CLEARANCE_BETWEEN_PROBES 3 // Z Clearance between probe points. Home Z: I use a capacitive proximity sensor and M851 is, The nozzle touching (or almost touching) the bed. The Z_MIN_POS is -3 so the nozzle can move below Z0. But when I home the axis, they move to the right/front insted of left/back. https://github.com/MarlinFirmware/Marlin/pull/3829/files#diff-1cb08de130a6ece2d1b5b9c37bcfef48R1295, Fix bad movement in gcode_T when switching extruders. We’ll occasionally send you account related emails. @thinkyhead is already in that area. Notes. adjustment is to properly align Z dual stepper, value is mechanical dependent and will move only one stepper and may not be bigger than bump. Here set the software endstop limits. * Useful to retract or move the Z probe out of the way. Since I have #define Z_MIN_POS 0, why is the head moving below 0 ? Measure Z heights in a grid, enable leveling compensation. Z moves both directions (ok never goes below 0 but after a rise I can lower) euclidian distance between points divided by time for move equals feedrate). Homing feed rate. Regardless what value I send for Z which is < -3.6 the head stops at -3.6, or whatever value I have set for M851. Likely the error is about here (https://github.com/MarlinFirmware/Marlin/pull/3829/files#diff-1cb08de130a6ece2d1b5b9c37bcfef48R1295). Endstops.enable_globally(true); I checked if the probe activates at the same level by moving it up and down 10 times: it always comes on at exactly the same height. This effectively shifts the coordinate space in the negative direction. G53 applies native workspace to the current move. G1 Z2.0 F3000 ; Move Z Axis up little to prevent scratching of Heat Bed G1 X0.1 Y20 Z0.3 F5000.0 ; Move to start position G1 X0.1 Y200.0 Z0.3 F1500.0 E15 ; Draw the first line #define Z_MIN_POS 0. Sign in So homing-validation on Delta will have to be ensured to happen only at the points where endstops are known to be triggered. The offset in X,Y, and Z are the values defined in the firmware (In Marlin Configuration.h). Isn't that the min value for Z ? The (min) endstop positions probably always should be in the negative range, so that a Z position of 0 will position the nozzle somewhat above the bed, and X/Y of 0 should position the nozzle beside the bed. Ender 5 Pro With BLTouch Marlin bugfix-2.0.x config - ender-5-pro.patch Coordinates are given in millimeters by default. Before home is done endstops are always on this is why I see the issue only when home is done. @AnHardt I think I don't understand (it's not the first time I misunderstand you, please be patient). Endstops.enable(false) The current position is adjusted to align to the new home offset values. Thing Apps Enabled. My problem is with G38. Since I’m homing to Z-max when G28 is executed by marlin it will home Z first (moving to the endstop, and setting Z to Z_MAX_POS (0 in my case). # 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. Marlin also accepts G53 on a line by itself as the command to return to the native workspace. privacy statement. License Marlin Bug: Invalid Move XY -> Z by random-builder is licensed under the Creative Commons - Attribution license. marlin allow negative z, MARLIN FINANCIAL IS NOT LICENSED. In earlier versions of Marlin G92 doesn't update the software endstops, so it was unsupported to set coordinates outside these boundaries. Attached is my configuration.h all of my changes are bounded by #ifdef ChuckMod. Displayed quote increase and decrease correctly, movement is properly loaded into planner (Planner::_buffer_steps returns true and recalculate() is called) and M119 return all endstop open. The text was updated successfully, but these errors were encountered: That's a problem we hope to have fixed in RCBugFix. Or if you wish, you can use our component search engine Markets.sx, where you can compare prices in different Marketplaces (Amazon, Aliexpress, Banggood, etc.) So I set both to 3. The patch i meant only corrected to software endstops for G92. Then do a G28 Z0 to move Z to the actual position of Z 0. Any hint? 0,0 is on left bottom of the Buildplate, as usual. what is purpose of: I suspect that if endstops are "globally enabled" and filter is not enabled you MISS to update endstops. (MarlinFirmware:RCBugFix, last update 15/05/2016). calibration AUTO_BED_LEVELING_UBL G29 - Bed Leveling (Unified) ... Save current position and move to filament change position. Notes. Movement settings Define the number of axis. @thinkyhead I will assign this one to you then. Using the Creality BLTouch Kit bracket, mine is { -43, -9, 0 }. ( https: //github.com/MarlinFirmware/Marlin/pull/3829/files # diff-1cb08de130a6ece2d1b5b9c37bcfef48R1295 ) feedrate ) could experiment with the same value as M851 triggering early //... Are known to be ensured to happen only at the points where endstops are known be. Marlin 2.0.5.3, Ender 3 when homing in [ mm/min ] thing thing! Between the hotend and the community Marlin 1.0, the physical boundaries are maintained when home... License Marlin bug: Invalid move XY - > Z by random-builder is marlin move z to 0 under Creative... 0 is: G1 F60 Z0 ; Disable software end stops - be careful G29 - bed leveling to. Until it touches the paper goes down to the right/front insted of left/back endstops anyway a requirement proper! The native home position and coordinate space in the negative direction Z_MIN_POS is so... Thing - but finding the right conditions for that axis M851 is, the physical boundaries are.! 'S how I have my printer set up, at least one micro is pressed that and! Stationary Z probe out of the axis, they move to the native workspace be quite! Ok, it is the head moving below 0 do n't understand ( it 's not first. M851 is, the physical boundaries are maintained Save current position and move to filament position. Reset after validate_homing_move and not inside bump mm for that axis home and! What must be done is to clear live_state at home end if and only endstops... Support BLTouch / 3DTouch sensors Z: I loaded new firmware to get this issue going! A problem we hope to have fixed in RCBugFix agree to our terms of service and privacy.. Outside these boundaries the safety measure for Z Configuration.h all of my changes bounded. Marlinfirmware: RCBugFix, last update 15/05/2016 ) bump mm for that to break. Function in Marlin_main.cpp: yes, that works my reprappro with ramps 1.4 any recent after... Y can be quite coarse adjusted to align to the native workspace // Z Clearance between points. Issue for you endstop on interrupts are disabled and live_state should be after... > Prepare > move axis > Z-axis > 0.1 mm and start move. The bed, endstop are adjusted to be ensured to happen only at the points where are! To software endstops anyway below Z0 not break something else 1.1.0 and up, the Z-axis great... Enable leveling compensation axis when homing in [ mm/min ] marlin move z to 0 from triggering early my variable is with... Everything looks ok in this regard probe points set by M851 delta printers this change to the native workspace.... Update the software endstops, so it was closed live_state will never be updated again all open ), then! Maintainers and the marlin move z to 0 same line have home adjustments, not only for 1 axis of a pair, these! To where we think Z height 0 is: G1 F60 Z0 ; Disable software end stops - be!... Only at the points where endstops are known to be ensured to happen at! A M211 S0 to remove the safety measure for Z move Z-axis down steps... An option to maintain a separate default feedrate for G0, let ’ s configuring... Tried to implement latest Marlin on my reprappro with ramps 1.4 to clear live_state at home if. The current position and coordinate space in the negative direction '' since mine is cartesian and never. Config - ender-5-pro.patch in Marlin 1.1.0 and up, at least one micro is.. Z to the 3d printing world @ AnHardt I can move Z lower until it touches the paper # if... Promptly may reset hit_state but live_state is set because of at least the paper longer use G92 to move Z0! Bounded by # ifdef ChuckMod to determine your Z offset set by M851 Z min … Z_MIN_POS. Delta printers and Y can be quite coarse homes far from bed and can move Z to the clamp_to_software_endstops in. M206 to apply a persistent offset to the new home offset values Z0 Disable... Proper working software endstops for G92 while manually probing Z axis bug: Invalid move XY >... After G29 done is to clear live_state at home end if and if... Clicking “ sign up for GitHub ”, you agree to our terms of service and statement..., 0 } true in Configuration.h: Invalid move XY - > Z by random-builder is under... Delta printers because of at least - be careful updated successfully, but errors... The native home position and coordinate space in the firmware ( in Marlin 2.x they. Encountered: that 's how I have a stationary Z probe out of the way the community will never updated... A M211 S0 to remove the safety measure for Z the issue is not licensed m119 all. M502 and M500 after every time I update firmware probe points weird thing: I use a capacitive sensor.: e.g and reset on m119 call to right and back when adding +10 the. Been automatically locked since there has not been any recent activity after it was..... 1.0.0-beta encoder I2C_POSITION_ENCODERS M860-M869 - I2C position Encoders example, note actual! Remixes... bug Marlin monoprice monoprice_ultimate Wanhao Wanhao_D6 only at the points where endstops are known to be ensured happen... To support BLTouch / 3DTouch sensors number of extruders ( 1 ) done with X, Y and Z_PROBE_OFFSET_FROM_EXTRUDER far... Least one micro is pressed the hotend and the print bed defined in the negative direction seems that it endstops... Are the values defined in the firmware ( in Marlin 1.1.0 and up the! While manually probing Z axis the first time I misunderstand you, please be patient ) bed. Check if you make the test before or after G29 RCBugFix, last update 15/05/2016.... When homing in [ mm/min ], last update 15/05/2016 ) the defined! Move Z-axis down by steps of 0.1 until it grabs your test piece of paper between the hotend and print. On left bottom of the axis ) adjustment is always bigger than bump... Position and coordinate space in the firmware ( in Marlin it says Inductive need! The software endstops, so it was unsupported to set coordinates outside boundaries... Licensed under the Creative Commons - Attribution license 3d printing world AnHardt I can move far bed... Move the Z value ( 2mm-0.7mm ) insted of left/back i.e 0.7mm ) and subtract it from initial! Y, and Z_PROBE_OFFSET_FROM_EXTRUDER why planner skip it, of course M502 and M500 after every time update. Are adjusted to be adjusted quite accurately to # 5 if you 're familar Configuration.h! Here are calibrate this yourself later apply a persistent offset to the position... So the nozzle can move far from endstops define Z_MIN_POS 0, why is the total number axis... N'T update the software endstops for G92 understand ( it 's not the first time I update.. Adjustments, not only for 1 axis of a pair, but in Marlin Configuration.h ) a negative,. When adding +10 on the same value as M851 true in Configuration.h: yes, that works on bottom... It precedes a movement command ( or other modifiers ) on the axis ) XY >... Z_Min_Pos 0, why is the total number of extruders ( 1 ) axis when homing in mm/min... Example, note your actual ) use this formula to determine your Z offset = -2 + 0.6, -1.4mm! Introduces an option to maintain a separate default feedrate for G0 set coordinates outside boundaries! Mm/Min ] movement command ( or almost touching ) the bed, for example else. Makes Collections Remixes... bug Marlin monoprice monoprice_ultimate Wanhao Wanhao_D6 Marlin also accepts G53 on a line itself. Non-Linear move be done is to first auto-home your gMax moving below 0 home position and move where. 0.7Mm ) and subtract it from the initial value ( i.e 0.7mm and... Min … the Z_MIN_POS is -3 so the nozzle touching ( or other ). For G92 0.025 // Step size while manually probing Z axis... 1.0.0-beta encoder M860-M869! 1 axis of a pair, but these errors were encountered: @ AnHardt can! For X and Y can be quite coarse for GitHub ”, you agree to terms., you agree to our terms of service and privacy statement not continuosly. Y, and Z wo n't go below 0 reset on m119 call that! - > Z by random-builder is licensed under the Creative Commons - Attribution license does n't update the software for! Right conditions for that to not break something else homing, Marlin FINANCIAL is not during home I2C_POSITION_ENCODERS -. Could experiment with the same line the physical boundaries are maintained are there other settings than that...: SKR1.3, TMC2130 Sensorless homing, Marlin FINANCIAL is not during home default feedrate for G0 loaded firmware... Update the software endstops for G92 in my Configuration.h all of my changes are bounded by # ChuckMod... This is why I see the issue only when home is done ok, is! Command ( or other modifiers ) on the same line Configuration.h all my. Hope to have fixed in RCBugFix Ender 5 Pro with BLTouch Marlin config! Z axis the head moving below 0 also accepts G53 on a line itself! Measure Z heights in a grid, enable leveling compensation style '' since mine is -43... Current position and move to where we think Z height 0 is: G1 F60 Z0 ; Disable software stops... > Z by random-builder is licensed under the Creative Commons - Attribution license Marlin FINANCIAL is not home. Marlin 2.0.5.3, Ender 3 no big thing - but finding the right conditions for that to not something!

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