#define GRID_MAX_POINTS_X 3 // Don't use more than 7 points per axis, implementation limited. Marlin supports any kind of probe that can be made to work like a switch. #define X_MAX_ENDSTOP_HIT_STATE HIGH #define TEMP_CHAMBER_HYSTERESIS 3 // (C) Temperature proximity considered "close enough" to the target, #define HEATER_0_MINTEMP 5 // Useful for a sensor at the end of a feed tube. Activate the solenoid on the active extruder with M380. Add the G35 command to read bed corners to help adjust screws. // continue printing this length of filament before executing the runout script. //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping. RIGIDBOT_PANEL|RigidBot Panel V1.0. Other output doesnt need to be that speedy. * Synchronous Laser Control with M106/M107 #define TEMP_WINDOW 1 // (degC) Window around target to start the residency timer x degC early. Until they reach a sufficient temperature, these sensors usually return the lowest raw value, and this will cause a Min Temp Error. #endif, //#define MAX7219_GCODE // Add the M7219 G-code to control the LED matrix, #define MAX7219_INIT_TEST 2 // Test pattern at startup: 0=none, 1=sweep, 2=spiral. */, /** Use blower fans to keep air moving and use a Dew Point Calculator to check your local dew point. The default BLTouch settings can be overriden with these options. Disable PIDTEMP to run extruders in bang-bang mode. The HOMING_FEEDRATE_XY and HOMING_FEEDRATE_Z constants no longer exist anywhere in the Marlin codebase.. To use TMC2130 stepper drivers in SPI mode connect your SPI2130 pins to the hardware SPI interface on your board and define the required CS pins in your pins_MYBOARD.h file. I cant increase the HOMING_FEEDRATE because its a prusa i3 and the speed is already at the maximum. Jerk works in conjunction with acceleration (see above). If you dont know what this is leave it. . Set this if you find stepping unreliable, or if using a very fast CPU. The frequency and scaling can be adjusted in Configuration_adv.h. Disabling the steppers between moves gives the motors and drivers a chance to cool off. Enable this option for a leaner build of Marlin that removes all workspace offsets. Check the pins file of your board for TEMP_CHAMBER_PIN. This feature allows Marlin to use linear pressure control for print extrusion, to eliminate ooze, improve corners, etc. * The defaults are based on the nozzle to extruder gear distance of a Pra MK3 extruder, so if required you have to modify those to your extruder/hotend setup accordingly. Panucatt VIKI LCD with status LEDs, integrated click & L/R/U/D buttons, separate encoder inputs. For CoreXY / HBot kinematics, toolheads are parked at one edge and held with an electromagnet. #define BUSY_WHILE_HEATING // Some hosts require "busy" messages even during heating, #define PREHEAT_1_TEMP_HOTEND 180 #define MESH_TEST_HOTEND_TEMP 205 // (C) Default nozzle temperature for the G26 Mesh Validation Tool. feedrate = homing_feedrate [Z_AXIS]; As probe_pt separates the Z and XY moves itself, this should do each move at the appropriate rate. Enable to use SD printing, whether as part of an LCD controller or as a standalone SDCard slot. #define SHAPING_FREQ_X 40 // (Hz) The default dominant resonant frequency on the X axis. Above 10mm the machine will move without compensation. Normally G28 causes leveling to be disabled, so you have to re-enable it with M420 S1 or G29. * Screw thread: // FIND YOUR OWN: "M303 E-1 C8 S90" to run autotune on the bed at 90 degreesC for 8 cycles. Otherwise the RED led is on. #define FILAMENT_CHANGE_SLOW_LOAD_FEEDRATE 6 // (mm/s) Slow move when starting load. Use this option in all cases when the probe is connected to the Z MIN endstop plug. If the X motors need to spin in opposite directions set INVERT_X2_VS_X_DIR to true. #endif, #define HOTEND5_PULLUP_RESISTOR_OHMS 4700 // Pullup resistor, #define HOTEND5_RESISTANCE_25C_OHMS 100000 // Resistance at 25C, #define HOTEND5_BETA 3950 // Beta value Take account of the probes XY offsets when setting these boundaries. Thermal protection is one of the most vital safety features in Marlin, allowing the firmware to catch a bad situation and shut down heaters before it goes too far. #define FTM_SHAPING_DEFAULT_X_FREQ 37.0f // (Hz) Default peak frequency used by input shapers. * Coolant Control #define INVERT_E1_DIR false The E disable option works like DISABLE_[XYZ] but pertains to one or more extruders. This value should be set to the total number of E stepper motors on the machine, even if theres only a single nozzle. Enable SINGLENOZZLE if you have an E3D Cyclops or any other multi-extruder system that shares a single nozzle. Enable/Disable software endstops from the LCD. Should be slower than load feedrate. This option uses a lot of SRAM for the step buffer. The steps to do so are defined using. Use CRC checks and retries on the SD communication. You may also override timing options in Configuration_adv.h. There is a bonus setting - I have changed the homing feedrates with HOMING_FEEDRATE_MM_M in Configuration.h to higher values of 150*60 mm per minute for X and Y and 10*60 for Z so Homing is now also much faster. #define X_CURRENT 800 // (mA) RMS current. #define HEATER_3_MAXTEMP 275 Use this option to enable extra debugging of homing and leveling. Enable DISTINCT_E_FACTORS if your extruders are not all mechanically identical. I found an occurrence of "feedrate = max_feedrate[Z_AXIS]" earlier in the same function (gcode_G28()), but that had no effect. */, #define FTM_DEFAULT_MODE ftMotionMode_ENABLED // Default mode of fixed time control. #define HEATER_4_MAXTEMP 275 * instead of normal range (0 to SPEED_POWER_MAX). ELB_FULL_GRAPHIC_CONTROLLER|Adafruit ST7565 Full Graphic Controller. Set the servo sub-settings above according to your particular extruders setup instructions. #define FTM_ZMAX 100 // Maximum delays for shaping functions (even numbers only!). The servo either lowers the active nozzle or raises the inactive one. (WATCH_BED_TEMP_INCREASE should not be set below 2.). Enable this if you dont want the power supply to switch on when you turn on the printer. Use M303 E-1 to tune the bed PID for this option. #define HEATER_1_MINTEMP 5 0 should be fine but it may be pushed further if needed. Correct the wrong arc g-codes sent by SkeinForge when using Arc Point as fillet procedure. The ASCII buffer for serial input. #else, #define BLOCK_BUFFER_SIZE 16 // maximize block buffer Marlin 1.1.5 and up include the BUSY_WHILE_HEATING option for hosts that treat host keepalive as a strict busy protocol. #define PAUSE_PARK_RETRACT_LENGTH 2 // (mm) Initial retract. This defines the size of the buffer to allocate for use with MEASUREMENT_DELAY_CM. Do not change the value 60. With Marlin's homing routines you could locate position, and new options coming in the near future will give real time feed back (more on that later) What needs to be tweaked Pour yourself a drink and settle in. Look for the feedrate = homing_feedrate [axis]/2 line and change it to /4 or whatever you want. The most important setting is Marlin is the motherboard. */, #define COOLANT_MIST // Enable if mist coolant is present, #define COOLANT_FLOOD // Enable if flood coolant is present, #define COOLANT_MIST_INVERT false // Set "true" if the on/off function is reversed, #define COOLANT_FLOOD_INVERT false // Set "true" if the on/off function is reversed It deploys by leveraging against the Z-axis belt, and retracts by pushing the probe down. Use these options to set to the state (HIGH or LOW) that applies to each endstop and the Z probe, if enabled. #define NEOPIXEL_BRIGHTNESS 127 // Initial brightness (0-255), //#define NEOPIXEL_STARTUP_TEST // Cycle through colors at startup, //#define NEOPIXEL_BKGD_LED_INDEX 0 // Index of the LED to use, //#define NEOPIXEL_BKGD_COLOR { 255, 255, 255, 0 } // R, G, B, W, #if ANY(BLINKM, RGB_LED, RGBW_LED, PCA9632, PCA9533, NEOPIXEL_LED), //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command, #define HOTEND0_PULLUP_RESISTOR_OHMS 4700 // Pullup resistor, #define HOTEND0_RESISTANCE_25C_OHMS 100000 // Resistance at 25C, #define HOTEND0_BETA 3950 // Beta value User-defined buttons to run custom G-code. The boards.h file has the most up-to-date listing of supported boards - check there first if you dont see yours listed here. If no match is found, use a profile for a similar sensor of the same brand, or try 1 the generic profile. Enable this if your board has a secondary serial port. Odd question, when setting homing feedrates it is displayed like HOMING_FEEDRATE_Z (12*60) does that mean the real number is 720 mm/m? In a Dual X-Carriage setup the first X-carriage (T0) homes to the minimum endstop, while the second X-carriage (T1) homes to the maximum endstop. That's what I've done. Auto-report position with M154 S. I have altered the Homing Feedrate settings and they are fine. * Feed rates are set by the F parameter of a move command e.g. Gradually change from blue to violet as the heated bed gets to target temp. Disable all menus and only display the Status Screen with NO_LCD_MENUS, or just remove some extraneous menu items to recover space with SLIM_LCD_MENUS. The multiplexer is automatically switched at tool-change. * Any move in dynamic mode will use the current feed rate to calculate the laser power. The values set here apply over and above any (negative) probe Z Offset set with Z_PROBE_OFFSET_FROM_EXTRUDER, M851, or the LCD. Marlin firmware is one of the most reliable and feature-packed options for an Ender 3, and flashing an up-to-date version of Marlin will ensure that you won't face firmware-related problems. With PROBE_MANUALLY the G29 command only moves the nozzle to the next probe point where it pauses. If you require a value over 30000, this could indicate a problem. #define MEASURED_LOWER_LIMIT 1.90 // (mm) Lower limit used to validate sensor reading, //#define PAREN_COMMENTS // Support for parentheses-delimited comments. Settings can be enabled, disabled, and assigned values using C preprocessor syntax like so: To use configurations from an earlier version of Marlin, first try dropping them into the newer Marlin, updating CONFIGURATION_H_VERSION and CONFIGURATION_ADV_H_VERSION, and building the firmware. Either the Z height can continue to raise/lower by the established tilt of the nearest grid box (best when most of the bed was probed), or it can follow the contour of the nearest edge (the default). Override to affect SRAM usage. As long as the temperature reading is low, the hotend will continue to heat up indefinitely, leading to smoke, oozing, a ruined print, and possibly even fire. Sample PID values are included for reference, but they wont apply to most setups. // - Prevent Z homing when the Z probe is outside bed area. We dont recommend this hack. Enable to add support for a filament width sensor such as Filament Width Sensor Prototype Version 3. The duration and frequency for the UI feedback sound. Specify a large enough delay so the servo has enough time to complete a full motion before deactivation. S Curve Enabled. Try to match your brand and model with one of the sensors in the list. Friday Facts 4: How to Marlin Polargraph. For a well-aligned machine, this feature can improve print results. #define SD_FINISHED_RELEASECOMMAND "M84 X Y Z E" #define HEATER_1_MAXTEMP 275 This results in poor accuracy and carries a strong probability of axial drift (i.e., lost steps). However, this feature is unsafe because it only works if interrupts are disabled, and the code could hang in an interrupt routine with interrupts disabled. FAST_PWM_FAN increases the FAN PWM frequency. This option may be needed if your Z driver tends to overheat. Include extra information about the buffer in ok messages. The BLTouch uses the servo connector and is controlled using specific servo angles. Enable PIDTEMPBED to use PID for the bed heater (at the same PWM frequency as the extruders). Enable this option for extrapolation. #endif, //#define CONTROLLER_FAN_PIN -1 // Set a custom pin for the controller fan, //#define CONTROLLER_FAN_USE_Z_ONLY // With this option only the Z axis is considered, #define CONTROLLERFAN_SPEED_MIN 0 // (0-255) Minimum speed. These depend on various factors, including belt pitch, number of teeth on the pulley, thread pitch on leadscrews, micro-stepping settings, and extruder style. By default all endstops have pulldown resistors disabled. Link. (1 / FTM_TS), #define FTM_TS 0.001f // (s) Time step for trajectory generation. If the motors need to * spin in opposite directions set INVERT_X2_VS_X_DIR. Enable this option if probing should proceed in the Y dimension first instead of X first. M303 should be used to tune PID values before using any new hotend components. #define INVERT_Y_DIR true Deltas have three max endstops. Enable this option to activate an additional menu to operate the MMU2 from the LCD. The default calculation can be overridden by setting SHAPING_MIN_FREQ and/or SHAPING_MAX_FEEDRATE. Enable for Spindle and Laser control. #define DISABLE_INACTIVE_EXTRUDER false // Keep only the active extruder enabled, #define INVERT_X_DIR false Choose your preferred language for the LCD controller here. /** #define PAUSE_PARK_NOZZLE_TIMEOUT 45 // (seconds) Time limit before the nozzle is turned off for safety. #define FTM_POINTS_PER_LOOP 100 // Number of trajectory points to generate each loop(). #define EXTRUDE_MAXLENGTH 200, #define THERMAL_PROTECTION_HOTENDS // Enable thermal protection for all extruders This was implemented as a hack to run steppers at higher-than-normal current in an effort to produce more torque at the cost of increased heat for drivers and steppers. Enable PROBING_HEATERS_OFF if you are experiencing electrical noise. Be careful when first setting these. If enabled, some of the PWM cycles are stretched so on average the desired duty cycle is attained. Hardware reset requires a digital output pin wired to the reset pin on the MMU2. So-called cold extrusion can damage a machine in several ways, but it usually just results in gouged filament and a jammed extruder. A value of 3000 means that an axis may accelerate by 100mm/s within 1/30th of a second, or up to 3000mm/s (180000mm/m) in a full second. * NOTE: This option sacrifices some cooling fan speed options. This option can be defined to set the minimum and maximum PWM speeds (1-255) required to keep the PWM fans moving. Requires an LCD display. #define FTM_LINEAR_ADV_DEFAULT_K 0.0f // Default linear advance gain. It is crucial to obtain accurate temperature measurements. I have cut and pasted the Config.h and Config adv.h from an earlier version of Marlin which I recall worked fine. #define FILAMENT_CHANGE_UNLOAD_LENGTH 100 // (mm) The length of filament for a complete unload. The HOST_KEEPALIVE feature provides another way to keep the host alive. #endif, #if HAS_BED_PROBE && TEMP_SENSOR_PROBE && TEMP_SENSOR_BED, //#define SAVED_POSITIONS 1 // Each saved position slot costs 12 bytes, #define ARC_SUPPORT // Disable this feature to save ~3226 bytes Specify this type for an inductive probe or when using the nozzle itself as the probe. #define BUTTON1_HIT_STATE LOW // State of the triggered button. MAKRPANEL|MaKr3d Makr-Panel with graphic controller and SD support. I have tried changing MAX_FEEDRATE , MAX_ACCELERATION , HOMING_FEEDRATE . All M207/M208/M209 settings are saved to EEPROM. Usually sold with a blue PCB. Maximum stepping rate (in Hz) the stepper driver allows. #define NEOPIXEL_IS_SEQUENTIAL // Sequential display for temperature change - LED by LED. To use the MMU2 you also have to, All details are configured in [Configuration_adv.h]. For DELTA Z home must be set to the top-most position. Enables the use of Hephestos 2 24V heated bed. The probe should be above the nozzle, but the needed distance can vary, 1~2 mm might be good. The click input can either be directly connected to a pin (if. It is highly recommended to get your printer aligned and constrained as much as possible before using bed leveling, because it exists to compensate for imperfections in the hardware. If material enters the hotend more quickly, then more heat will need to be added to maintain energy balance. { 2.0, 2000 }, \ The serial communication speed of the printer should be as fast as it can manage without generating errors. //#define VARIABLE_G0_FEEDRATE // The G0 feedrate is set by F in G0 motion mode, #define GCODE_MACROS_SLOTS 5 // Up to 10 may be used, #define GCODE_MACROS_SLOT_SIZE 50 // Maximum length of a single macro Multiple extruders can be assigned to the same pin in which case the fan will turn on when any selected extruder is above the threshold. If an endstop shows up as TRIGGERED when not pressed, and open when pressed, then it should be inverted here. These can be set explicitly in Configuration_adv.h. If the buffer is too small at runtime, input shaping will have reduced effectiveness during high speed movements. //#define SHAPING_MIN_FREQ 20 // By default the minimum of the shaping frequencies. #define TEMP_BED_WINDOW 1 // (degC) Window around target to start the residency timer x degC early. The homing function, G28 is homing in the -'ve direction until it hits an endstop. In Marlin, you set the maximum feed rates ( speeds ) by changing : /** * Default Max Feed Rate (mm/s) * Override with M203 * X, Y, Z, E0 [ [,|E1 [ [,|E2 [, E3]]]]] */ #define DEFAULT_MAX_FEEDRATE { 500, 500, 2.25, 45 } Note the unit is millimeters per seconds. // Be sure to set FILAMENT_RUNOUT_DISTANCE_MM large enough to avoid false positives. The bed must maintain a stable temperature for TEMP_BED_RESIDENCY_TIME before M109 will return success and start the print. SCARA robots move an arm in the XY plane using two angular joints. This option adds support for M149 C, M149 K, and M149 F to set temperature units to Celsius, Kelvin, or Fahrenheit. { 50.0, 198 }, #define MMU2_RAMMING_SEQUENCE \ Minimum delay before and after setting the stepper DIR (in ns). #define DEFAULT_MAX_FEEDRATE {200, 200, 100, 25} #define DEFAULT_MAX_ACCELERATION {3000,3000,150,10000} Add a menu item to move between bed corners for manual bed adjustment. By default, the magnet is assumed to be on the left and activated by a home. On the other hand, if this frequency is too low, you should also increment SOFT_PWM_SCALE. #define FANMUX1_PIN -1 Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc. #define SD_MENU_CONFIRM_START, #define EVENT_GCODE_SD_STOP "G28XY" For instance some setups have a separate power supply for the heaters. the file is from a folger tech 3 d printer. An experimental G1 direct mixing option is included. SENSORLESS_HOMING will still need endstop connectors declared. Currently handles M108, M112, and M410. As a last resort, use 100k thermistor for TEMP_SENSOR and TEMP_SENSOR_BED but be highly skeptical of the temperature accuracy. * These parameters are used to convert between tool power units and PWM. When using a 32-bit board you just have to define the name of the serial port which will be used for communication with the MMU2. Steps-per-mm for XYZ axes and extruders (can be tuned later), Check that the temperature is actually increasing when a heater is on. Cooling fans are needed on 3D printers to keep components cool and prevent failure. To unload filament using the LCD menu a generic ramming sequence will be executed before the MMU2 will retract the filament. Rotate a knob or use buttons to navigate menu items, edit values, and make other adjustments. The default setting keeps the active extruder enabled, disabling all inactive extruders. #define SHAPING_ZETA_Y 0.15f // Damping ratio of the Y axis (range: 0.0 = no damping to 1.0 = critical damping). // Calculate as (FTM_STEPPER_FS / FTM_FS). With Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN enabled, by default Marlin will use the Z_MIN_PROBE_PIN specified in your boards pins file (usually the X or Z MAX endstop pin since these are the most likely to be unused). // Try increasing this value if stepper motion is not smooth. // Requires 4 bytes SRAM per sensor, plus 4 bytes overhead. Turn on with M540 S1 (or from the LCD menu) and make sure endstops are enabled (M120) during SD printing. 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