Hi,
I’m trying to replace my dual endstops on the z axis with a BL touch however I’m having some issues. The bl touch probes the centre of the bed and then stops. I have set it up to probe a 3x3 matrix with the x axis set at max 450 and y at max 750. Here is some my configuration.h:
#define BLTOUCH
#if ENABLED(BLTOUCH)
#define BLTOUCH_DELAY 375 // (ms) Enable and increase if needed
#define SERVO0_PIN P2_00
#endif
/**
- BLTouch V3.0 and newer smart series
- For genuine BLTouch 3.0 sensors. Clones may be confused by 3.0 command angles. YMMV.
- If the pin trigger is not detected, first try swapping the black and white wires then toggle this.
*/
//#define BLTOUCH_V3
// #if ENABLED(BLTOUCH_V3)
//#define BLTOUCH_FORCE_5V_MODE
//#define BLTOUCH_FORCE_OPEN_DRAIN_MODE
// #endif
// A probe that is deployed and stowed with a solenoid pin (SOL1_PIN)
//#define SOLENOID_PROBE
// A sled-mounted probe like those designed by Charles Bell.
//#define Z_PROBE_SLED
//#define SLED_DOCKING_OFFSET 5 // The extra distance the X axis must travel to pickup the sled. 0 should be fine but you can push it further if you’d like.
// A probe deployed by moving the x-axis, such as the Wilson II’s rack-and-pinion probe designed by Marty Rice.
//#define RACK_AND_PINION_PROBE
#if ENABLED(RACK_AND_PINION_PROBE)
#define Z_PROBE_DEPLOY_X X_MIN_POS
#define Z_PROBE_RETRACT_X X_MAX_POS
#endif
//
// For Z_PROBE_ALLEN_KEY see the Delta example configurations.
//
/**
- Z Probe to nozzle (X,Y) offset, relative to (0, 0).
- X and Y offsets must be integers.
- In the following example the X and Y offsets are both positive:
- #define X_PROBE_OFFSET_FROM_EXTRUDER 10
- #define Y_PROBE_OFFSET_FROM_EXTRUDER 10
-
+-- BACK ---+ -
| | - L | (+) P | R ← probe (20,20)
- E | | I
- F | (-) N (+) | G ← nozzle (10,10)
- T | | H
-
| (-) | T -
| | -
O-- FRONT --+ - (0,0)
*/
#define X_PROBE_OFFSET_FROM_EXTRUDER 10 // X offset: -left +right [of the nozzle]
#define Y_PROBE_OFFSET_FROM_EXTRUDER 10 // Y offset: -front +behind [the nozzle]
#define Z_PROBE_OFFSET_FROM_EXTRUDER 0 // Z offset: -below +above [the nozzle]
// Certain types of probes need to stay away from edges
#define MIN_PROBE_EDGE 40
// X and Y axis travel speed (mm/m) between probes
#define XY_PROBE_SPEED 2000
// Feedrate (mm/m) for the first approach when double-probing (MULTIPLE_PROBING == 2)
#define Z_PROBE_SPEED_FAST HOMING_FEEDRATE_Z
// Feedrate (mm/m) for the “accurate” probe of each point
#define Z_PROBE_SPEED_SLOW (Z_PROBE_SPEED_FAST / 2)
// The number of probes to perform at each point.
// Set to 2 for a fast/slow probe, using the second probe result.
// Set to 3 or more for slow probes, averaging the results.
//#define MULTIPLE_PROBING 2
/**
- Z probes require clearance when deploying, stowing, and moving between
- probe points to avoid hitting the bed and other hardware.
- Servo-mounted probes require extra space for the arm to rotate.
- Inductive probes need space to keep from triggering early.
- Use these settings to specify the distance (mm) to raise the probe (or
- lower the bed). The values set here apply over and above any (negative)
- probe Z Offset set with Z_PROBE_OFFSET_FROM_EXTRUDER, M851, or the LCD.
- Only integer values >= 1 are valid here.
- Example:
M851 Z-5with a CLEARANCE of 4 => 9mm from bed to nozzle. -
But: `M851 Z+1` with a CLEARANCE of 2 => 2mm from bed to nozzle.
*/
#define Z_CLEARANCE_DEPLOY_PROBE 10 // Z Clearance for Deploy/Stow
#define Z_CLEARANCE_BETWEEN_PROBES 5 // Z Clearance between probe points
#define Z_CLEARANCE_MULTI_PROBE 5 // Z Clearance between multiple probes
//#define Z_AFTER_PROBING 5 // Z position after probing is done
#define Z_PROBE_LOW_POINT -2 // Farthest distance below the trigger-point to go before stopping
// For M851 give a range for adjusting the Z probe offset
#define Z_PROBE_OFFSET_RANGE_MIN -20
#define Z_PROBE_OFFSET_RANGE_MAX 20
// Enable the M48 repeatability test to test probe accuracy
//#define Z_MIN_PROBE_REPEATABILITY_TEST
// Before deploy/stow pause for user confirmation
//#define PAUSE_BEFORE_DEPLOY_STOW
#if ENABLED(PAUSE_BEFORE_DEPLOY_STOW)
//#define PAUSE_PROBE_DEPLOY_WHEN_TRIGGERED // For Manual Deploy Allenkey Probe
#endif
/**
- Enable one or more of the following if probing seems unreliable.
- Heaters and/or fans can be disabled during probing to minimize electrical
- noise. A delay can also be added to allow noise and vibration to settle.
- These options are most useful for the BLTouch probe, but may also improve
- readings with inductive probes and piezo sensors.
*/
//#define PROBING_HEATERS_OFF // Turn heaters off when probing
#if ENABLED(PROBING_HEATERS_OFF)
//#define WAIT_FOR_BED_HEATER // Wait for bed to heat back up between probes (to improve accuracy)
#endif
//#define PROBING_FANS_OFF // Turn fans off when probing
//#define PROBING_STEPPERS_OFF // Turn steppers off (unless needed to hold position) when probing
//#define DELAY_BEFORE_PROBING 200 // (ms) To prevent vibrations from triggering piezo sensors
// For Inverting Stepper Enable Pins (Active Low) use 0, Non Inverting (Active High) use 1
// :{ 0:‘Low’, 1:‘High’ }
#define X_ENABLE_ON 0
#define Y_ENABLE_ON 0
#define Z_ENABLE_ON 0
#define E_ENABLE_ON 0 // For all extruders
// Disables axis stepper immediately when it’s not being used.
// WARNING: When motors turn off there is a chance of losing position accuracy!
#define DISABLE_X false
#define DISABLE_Y false
#define DISABLE_Z false
// Warn on display about possibly reduced accuracy
//#define DISABLE_REDUCED_ACCURACY_WARNING
// @section extruder
#define DISABLE_E false // For all extruders
#define DISABLE_INACTIVE_EXTRUDER // Keep only the active extruder enabled
// @section machine
// Invert the stepper direction. Change (or reverse the motor connector) if an axis goes the wrong way.
#define INVERT_X_DIR false
#define INVERT_Y_DIR true
#define INVERT_Z_DIR false
// @section extruder
// For direct drive extruder v9 set to true, for geared extruder set to false.
#define INVERT_E0_DIR false
#define INVERT_E1_DIR false
#define INVERT_E2_DIR true
#define INVERT_E3_DIR false
#define INVERT_E4_DIR false
#define INVERT_E5_DIR false
// @section homing
//#define NO_MOTION_BEFORE_HOMING // Inhibit movement until all axes have been homed
//#define UNKNOWN_Z_NO_RAISE // Don’t raise Z (lower the bed) if Z is “unknown.” For beds that fall when Z is powered off.
//#define Z_HOMING_HEIGHT 4 // (mm) Minimal Z height before homing (G28) for Z clearance above the bed, clamps, …
// Be sure you have this distance over your Z_MAX_POS in case.
// Direction of endstops when homing; 1=MAX, -1=MIN
// :[-1,1]
#define X_HOME_DIR -1
#define Y_HOME_DIR 1
#define Z_HOME_DIR -1
// @section machine
// The size of the print bed
#define X_BED_SIZE 450
#define Y_BED_SIZE 700
// Travel limits (mm) after homing, corresponding to endstop positions.
#define X_MIN_POS 0
#define Y_MIN_POS 0
#define Z_MIN_POS 0
#define X_MAX_POS X_BED_SIZE
#define Y_MAX_POS Y_BED_SIZE
#define Z_MAX_POS 250
/**
- Software Endstops
-
- Prevent moves outside the set machine bounds.
-
- Individual axes can be disabled, if desired.
-
- X and Y only apply to Cartesian robots.
-
- Use ‘M211’ to set software endstops on/off or report current state
*/
- Use ‘M211’ to set software endstops on/off or report current state
// Min software endstops constrain movement within minimum coordinate bounds
//#define MIN_SOFTWARE_ENDSTOPS
#if ENABLED(MIN_SOFTWARE_ENDSTOPS)
#define MIN_SOFTWARE_ENDSTOP_X
#define MIN_SOFTWARE_ENDSTOP_Y
//#define MIN_SOFTWARE_ENDSTOP_Z
#endif
// Max software endstops constrain movement within maximum coordinate bounds
//#define MAX_SOFTWARE_ENDSTOPS
#if ENABLED(MAX_SOFTWARE_ENDSTOPS)
#define MAX_SOFTWARE_ENDSTOP_X
#define MAX_SOFTWARE_ENDSTOP_Y
#define MAX_SOFTWARE_ENDSTOP_Z
#endif
#if EITHER(MIN_SOFTWARE_ENDSTOPS, MAX_SOFTWARE_ENDSTOPS)
#define SOFT_ENDSTOPS_MENU_ITEM // Enable/Disable software endstops from the LCD
#endif
/**
- Filament Runout Sensors
- Mechanical or opto endstops are used to check for the presence of filament.
- RAMPS-based boards use SERVO3_PIN for the first runout sensor.
- For other boards you may need to define FIL_RUNOUT_PIN, FIL_RUNOUT2_PIN, etc.
- By default the firmware assumes HIGH=FILAMENT PRESENT.
*/
//#define FILAMENT_RUNOUT_SENSOR
#if ENABLED(FILAMENT_RUNOUT_SENSOR)
#define NUM_RUNOUT_SENSORS 1 // Number of sensors, up to one per extruder. Define a FIL_RUNOUT#_PIN for each.
#define FIL_RUNOUT_INVERTING false // set to true to invert the logic of the sensor.
#define FIL_RUNOUT_PULLUP // Use internal pullup for filament runout pins.
//#define FIL_RUNOUT_PULLDOWN // Use internal pulldown for filament runout pins.
// Set one or more commands to execute on filament runout.
// (After ‘M412 H’ Marlin will ask the host to handle the process.)
#define FILAMENT_RUNOUT_SCRIPT “M600”
// After a runout is detected, continue printing this length of filament
// before executing the runout script. Useful for a sensor at the end of
// a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
//#define FILAMENT_RUNOUT_DISTANCE_MM 25
#ifdef FILAMENT_RUNOUT_DISTANCE_MM
// Enable this option to use an encoder disc that toggles the runout pin
// as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
// large enough to avoid false positives.)
//#define FILAMENT_MOTION_SENSOR
#endif
#endif
//===========================================================================
//=============================== Bed Leveling ==============================
//===========================================================================
// @section calibrate
/**
- Choose one of the options below to enable G29 Bed Leveling. The parameters
- and behavior of G29 will change depending on your selection.
- If using a Probe for Z Homing, enable Z_SAFE_HOMING also!
-
- AUTO_BED_LEVELING_3POINT
- Probe 3 arbitrary points on the bed (that aren’t collinear)
- You specify the XY coordinates of all 3 points.
- The result is a single tilted plane. Best for a flat bed.
-
- AUTO_BED_LEVELING_LINEAR
- Probe several points in a grid.
- You specify the rectangle and the density of sample points.
- The result is a single tilted plane. Best for a flat bed.
-
- AUTO_BED_LEVELING_BILINEAR
- Probe several points in a grid.
- You specify the rectangle and the density of sample points.
- The result is a mesh, best for large or uneven beds.
-
- AUTO_BED_LEVELING_UBL (Unified Bed Leveling)
- A comprehensive bed leveling system combining the features and benefits
- of other systems. UBL also includes integrated Mesh Generation, Mesh
- Validation and Mesh Editing systems.
-
- MESH_BED_LEVELING
- Probe a grid manually
- The result is a mesh, suitable for large or uneven beds. (See BILINEAR.)
- For machines without a probe, Mesh Bed Leveling provides a method to perform
- leveling in steps so you can manually adjust the Z height at each grid-point.
- With an LCD controller the process is guided step-by-step.
*/
//#define AUTO_BED_LEVELING_3POINT
//#define AUTO_BED_LEVELING_LINEAR
#define AUTO_BED_LEVELING_BILINEAR
//#define AUTO_BED_LEVELING_UBL
//#define MESH_BED_LEVELING
/**
- Normally G28 leaves leveling disabled on completion. Enable
- this option to have G28 restore the prior leveling state.
*/
//#define RESTORE_LEVELING_AFTER_G28
/**
- Enable detailed logging of G28, G29, M48, etc.
- Turn on with the command ‘M111 S32’.
- NOTE: Requires a lot of PROGMEM!
*/
//#define DEBUG_LEVELING_FEATURE
#if ANY(MESH_BED_LEVELING, AUTO_BED_LEVELING_BILINEAR, AUTO_BED_LEVELING_UBL)
// Gradually reduce leveling correction until a set height is reached,
// at which point movement will be level to the machine’s XY plane.
// The height can be set with M420 Z
#define ENABLE_LEVELING_FADE_HEIGHT
// For Cartesian machines, instead of dividing moves on mesh boundaries,
// split up moves into short segments like a Delta. This follows the
// contours of the bed more closely than edge-to-edge straight moves.
#define SEGMENT_LEVELED_MOVES
#define LEVELED_SEGMENT_LENGTH 5.0 // (mm) Length of all segments (except the last one)
/**
- Enable the G26 Mesh Validation Pattern tool.
*/
//#define G26_MESH_VALIDATION
#if ENABLED(G26_MESH_VALIDATION)
#define MESH_TEST_NOZZLE_SIZE 0.4 // (mm) Diameter of primary nozzle.
#define MESH_TEST_LAYER_HEIGHT 0.2 // (mm) Default layer height for the G26 Mesh Validation Tool.
#define MESH_TEST_HOTEND_TEMP 205 // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
#define MESH_TEST_BED_TEMP 60 // (°C) Default bed temperature for the G26 Mesh Validation Tool.
#define G26_XY_FEEDRATE 20 // (mm/s) Feedrate for XY Moves for the G26 Mesh Validation Tool.
#endif
#endif
#if EITHER(AUTO_BED_LEVELING_LINEAR, AUTO_BED_LEVELING_BILINEAR)
// Set the number of grid points per dimension.
#define GRID_MAX_POINTS_X 3
#define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
// Set the boundaries for probing (where the probe can reach).
#define LEFT_PROBE_BED_POSITION MIN_PROBE_EDGE
#define RIGHT_PROBE_BED_POSITION (X_BED_SIZE - (MIN_PROBE_EDGE))
#define FRONT_PROBE_BED_POSITION MIN_PROBE_EDGE
#define BACK_PROBE_BED_POSITION (Y_BED_SIZE - (MIN_PROBE_EDGE))
// Probe along the Y axis, advancing X after each column
//#define PROBE_Y_FIRST
#if ENABLED(AUTO_BED_LEVELING_BILINEAR)
// Beyond the probed grid, continue the implied tilt?
// Default is to maintain the height of the nearest edge.
//#define EXTRAPOLATE_BEYOND_GRID
//
// Experimental Subdivision of the grid by Catmull-Rom method.
// Synthesizes intermediate points to produce a more detailed mesh.
//
//#define ABL_BILINEAR_SUBDIVISION
#if ENABLED(ABL_BILINEAR_SUBDIVISION)
// Number of subdivisions between probe points
#define BILINEAR_SUBDIVISIONS 3
#endif
#endif
#elif ENABLED(AUTO_BED_LEVELING_UBL)
//===========================================================================
//========================= Unified Bed Leveling ============================
//===========================================================================
//#define MESH_EDIT_GFX_OVERLAY // Display a graphics overlay while editing the mesh
#define MESH_INSET 1 // Set Mesh bounds as an inset region of the bed
#define GRID_MAX_POINTS_X 10 // Don’t use more than 15 points per axis, implementation limited.
#define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
#define UBL_MESH_EDIT_MOVES_Z // Sophisticated users prefer no movement of nozzle
#define UBL_SAVE_ACTIVE_ON_M500 // Save the currently active mesh in the current slot on M500
//#define UBL_Z_RAISE_WHEN_OFF_MESH 2.5 // When the nozzle is off the mesh, this value is used
// as the Z-Height correction value.
#elif ENABLED(MESH_BED_LEVELING)
//===========================================================================
//=================================== Mesh ==================================
//===========================================================================
#define MESH_INSET 10 // Set Mesh bounds as an inset region of the bed
#define GRID_MAX_POINTS_X 3 // Don’t use more than 7 points per axis, implementation limited.
#define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
//#define MESH_G28_REST_ORIGIN // After homing all axes (‘G28’ or ‘G28 XYZ’) rest Z at Z_MIN_POS
#endif // BED_LEVELING
/**
- Points to probe for all 3-point Leveling procedures.
- Override if the automatically selected points are inadequate.
*/
#if EITHER(AUTO_BED_LEVELING_3POINT, AUTO_BED_LEVELING_UBL)
//#define PROBE_PT_1_X 15
//#define PROBE_PT_1_Y 180
//#define PROBE_PT_2_X 15
//#define PROBE_PT_2_Y 20
//#define PROBE_PT_3_X 170
//#define PROBE_PT_3_Y 20
#endif
/**
- Add a bed leveling sub-menu for ABL or MBL.
- Include a guided procedure if manual probing is enabled.
*/
//#define LCD_BED_LEVELING
#if ENABLED(LCD_BED_LEVELING)
#define MESH_EDIT_Z_STEP 0.025 // (mm) Step size while manually probing Z axis.
#define LCD_PROBE_Z_RANGE 4 // (mm) Z Range centered on Z_MIN_POS for LCD Z adjustment
//#define MESH_EDIT_MENU // Add a menu to edit mesh points
#endif
// Add a menu item to move between bed corners for manual bed adjustment
//#define LEVEL_BED_CORNERS
#if ENABLED(LEVEL_BED_CORNERS)
#define LEVEL_CORNERS_INSET 30 // (mm) An inset for corner leveling
#define LEVEL_CORNERS_Z_HOP 4.0 // (mm) Move nozzle up before moving between corners
#define LEVEL_CORNERS_HEIGHT 0.0 // (mm) Z height of nozzle at leveling points
//#define LEVEL_CENTER_TOO // Move to the center after the last corner
#endif
/**
- Commands to execute at the end of G29 probing.
- Useful to retract or move the Z probe out of the way.
*/
//#define Z_PROBE_END_SCRIPT “G1 Z10 F12000\nG1 X15 Y330\nG1 Z0.5\nG1 Z10”
// @section homing
// The center of the bed is at (X=0, Y=0)
//#define BED_CENTER_AT_0_0
// Manually set the home position. Leave these undefined for automatic settings.
// For DELTA this is the top-center of the Cartesian print volume.
//#define MANUAL_X_HOME_POS 0
//#define MANUAL_Y_HOME_POS 0
//#define MANUAL_Z_HOME_POS 0
// Use “Z Safe Homing” to avoid homing with a Z probe outside the bed area.
//
// With this feature enabled:
//
// - Allow Z homing only after X and Y homing AND stepper drivers still enabled.
// - If stepper drivers time out, it will need X and Y homing again before Z homing.
// - Move the Z probe (or nozzle) to a defined XY point before Z Homing when homing all axes (G28).
// - Prevent Z homing when the Z probe is outside bed area.
//
#define Z_SAFE_HOMING
#if ENABLED(Z_SAFE_HOMING)
#define Z_SAFE_HOMING_X_POINT ((X_BED_SIZE) / 2) // X point for Z homing when homing all axes (G28).
#define Z_SAFE_HOMING_Y_POINT ((Y_BED_SIZE) / 2) // Y point for Z homing when homing all axes (G28).
#endif
// Homing speeds (mm/m)
#define HOMING_FEEDRATE_XY (2060)
#define HOMING_FEEDRATE_Z (760)
// Validate that endstops are triggered on homing moves
#define VALIDATE_HOMING_ENDSTOPS
Any help would be amazing 