Move from Marlin to repetier - Problem -
Hi, I decided to move from Marlin firmware to repetier firmaware. I have posted some other issues Im haveing but I have discovered a serious one now: I tried to do my firts print useing repetier firmware: the axis home ok... When it is time to start printing (bed and heater heated), Z axis homes as usual, when it reaches position 0 the axis trys to go up and in that moment is like the motor blocks and sound like a buz is heard.
I though it could be a hardware problem... but it is not. It was printing ok some hours ago . Despite that, I checked the hardware and it is ok. I tries a couple of time and it is the same result. I uploaded Marlin firmwre again and I could print.
So it is something related to the firmware I guess. Can you help me ? I have a prusa I3, arduino 2560, ramps 1,4
I though it could be a hardware problem... but it is not. It was printing ok some hours ago . Despite that, I checked the hardware and it is ok. I tries a couple of time and it is the same result. I uploaded Marlin firmwre again and I could print.
So it is something related to the firmware I guess. Can you help me ? I have a prusa I3, arduino 2560, ramps 1,4
Comments
- Increasing Z homing speed : fails too, in fact, the homeing speed in marlin is way faster of what I have tried with repetier
- Loosing steps: I have seen motors loosing steps, but this is different, the motor gets stucked
- reducing z-jerk: the original value is 0.3, I have lowered it to 0.2 and 0.1 . All fails
- Z acceleration (both travelling and homeing): the original value of 100 was reduced to 50 and even to 10. Failed
- reduceing z homeing speed: I have tried somethis as low as 1, and it fails. In Marlin default was 5 mm/s, and it works ok
- ENDSTOP_Z_RETEST_REDUCTION_FACTOR, set originlly to 3, reduce to 1 = failed, increased to 6 = failed
These are my setting:
#define ENDSTOP_PULLUP_X_MIN true
#define ENDSTOP_X_MIN_INVERTING true
#define MIN_HARDWARE_ENDSTOP_X true
#define ENDSTOP_PULLUP_Y_MIN true
#define ENDSTOP_Y_MIN_INVERTING true
#define MIN_HARDWARE_ENDSTOP_Y true
#define ENDSTOP_PULLUP_Z_MIN true
#define ENDSTOP_Z_MIN_INVERTING true
#define MIN_HARDWARE_ENDSTOP_Z true
#define ENDSTOP_PULLUP_X_MAX true
#define ENDSTOP_X_MAX_INVERTING false
#define MAX_HARDWARE_ENDSTOP_X false
#define ENDSTOP_PULLUP_Y_MAX true
#define ENDSTOP_Y_MAX_INVERTING false
#define MAX_HARDWARE_ENDSTOP_Y false
#define ENDSTOP_PULLUP_Z_MAX true
#define ENDSTOP_Z_MAX_INVERTING false
#define MAX_HARDWARE_ENDSTOP_Z false
#define max_software_endstop_r true
#define min_software_endstop_x false
#define min_software_endstop_y false
#define min_software_endstop_z false
#define max_software_endstop_x true
#define max_software_endstop_y true
#define max_software_endstop_z true
#define ENDSTOP_X_BACK_MOVE 5
#define ENDSTOP_Y_BACK_MOVE 5
#define ENDSTOP_Z_BACK_MOVE 2
#define ENDSTOP_X_RETEST_REDUCTION_FACTOR 3
#define ENDSTOP_Y_RETEST_REDUCTION_FACTOR 3
#define ENDSTOP_Z_RETEST_REDUCTION_FACTOR 3
#define ENDSTOP_X_BACK_ON_HOME 1
#define ENDSTOP_Y_BACK_ON_HOME 1
#define ENDSTOP_Z_BACK_ON_HOME 0
#define ALWAYS_CHECK_ENDSTOPS 1
// ################# XYZ movements ###################
#define X_ENABLE_ON 0
#define Y_ENABLE_ON 0
#define Z_ENABLE_ON 0
#define DISABLE_X 0
#define DISABLE_Y 0
#define DISABLE_Z 0
#define DISABLE_E 0
#define INVERT_X_DIR 0
#define INVERT_Y_DIR 0
#define INVERT_Z_DIR 0
#define X_HOME_DIR -1
#define Y_HOME_DIR -1
#define Z_HOME_DIR -1
#define X_MAX_LENGTH 200
#define Y_MAX_LENGTH 200
#define Z_MAX_LENGTH 185
#define X_MIN_POS 0
#define Y_MIN_POS 0
#define Z_MIN_POS 0
#define DISTORTION_CORRECTION 0
#define DISTORTION_CORRECTION_POINTS 5
#define DISTORTION_CORRECTION_R 100
#define DISTORTION_PERMANENT 1
#define DISTORTION_UPDATE_FREQUENCY 15
#define DISTORTION_START_DEGRADE 0.5
#define DISTORTION_END_HEIGHT 1
#define DISTORTION_EXTRAPOLATE_CORNERS 0
#define DISTORTION_XMIN 10
#define DISTORTION_YMIN 10
#define DISTORTION_XMAX 190
#define DISTORTION_YMAX 190
// ##########################################################################################
// ## Movement settings ##
// ##########################################################################################
#define FEATURE_BABYSTEPPING 1
#define BABYSTEP_MULTIPLICATOR 30
#define DELTA_SEGMENTS_PER_SECOND_PRINT 180 // Move accurate setting for print moves
#define DELTA_SEGMENTS_PER_SECOND_MOVE 70 // Less accurate setting for other moves
#define EXACT_DELTA_MOVES 1
// Delta settings
#define DELTA_HOME_ON_POWER 0
#define DELTASEGMENTS_PER_PRINTLINE 24
#define STEPPER_INACTIVE_TIME 60L
#define MAX_INACTIVE_TIME 0L
#define MAX_FEEDRATE_X 100
#define MAX_FEEDRATE_Y 100
#define MAX_FEEDRATE_Z 3 //5
#define HOMING_FEEDRATE_X 40
#define HOMING_FEEDRATE_Y 40
#define HOMING_FEEDRATE_Z 2
#define HOMING_ORDER HOME_ORDER_XYZ
#define ZHOME_MIN_TEMPERATURE 0
#define ZHOME_HEAT_ALL 1
#define ZHOME_HEAT_HEIGHT 20
#define ZHOME_X_POS 999999
#define ZHOME_Y_POS 999999
#define ENABLE_BACKLASH_COMPENSATION 0
#define X_BACKLASH 0
#define Y_BACKLASH 0
#define Z_BACKLASH 0
#define RAMP_ACCELERATION 1
#define STEPPER_HIGH_DELAY 0
#define DIRECTION_DELAY 0
#define STEP_DOUBLER_FREQUENCY 12000
#define ALLOW_QUADSTEPPING 1
#define DOUBLE_STEP_DELAY 1 // time in microseconds
#define MAX_ACCELERATION_UNITS_PER_SQ_SECOND_X 1000
#define MAX_ACCELERATION_UNITS_PER_SQ_SECOND_Y 1000
#define MAX_ACCELERATION_UNITS_PER_SQ_SECOND_Z 100
#define MAX_TRAVEL_ACCELERATION_UNITS_PER_SQ_SECOND_X 1000
#define MAX_TRAVEL_ACCELERATION_UNITS_PER_SQ_SECOND_Y 1000
#define MAX_TRAVEL_ACCELERATION_UNITS_PER_SQ_SECOND_Z 100
#define INTERPOLATE_ACCELERATION_WITH_Z 0
#define ACCELERATION_FACTOR_TOP 100
#define MAX_JERK 20
#define MAX_ZJERK 0.3
#define PRINTLINE_CACHE_SIZE 16
#define MOVE_CACHE_LOW 10
#define LOW_TICKS_PER_MOVE 250000
#define EXTRUDER_SWITCH_XY_SPEED 100
#define DUAL_X_AXIS 0
#define FEATURE_TWO_XSTEPPER 0
#define X2_STEP_PIN ORIG_E1_STEP_PIN
#define X2_DIR_PIN ORIG_E1_DIR_PIN
#define X2_ENABLE_PIN ORIG_E1_ENABLE_PIN
#define FEATURE_TWO_YSTEPPER 0
#define Y2_STEP_PIN ORIG_E1_STEP_PIN
#define Y2_DIR_PIN ORIG_E1_DIR_PIN
#define Y2_ENABLE_PIN ORIG_E1_ENABLE_PIN
#define FEATURE_TWO_ZSTEPPER 0
#define Z2_STEP_PIN ORIG_E1_STEP_PIN
#define Z2_DIR_PIN ORIG_E1_DIR_PIN
#define Z2_ENABLE_PIN ORIG_E1_ENABLE_PIN
#define FEATURE_THREE_ZSTEPPER 0
#define Z3_STEP_PIN ORIG_E2_STEP_PIN
#define Z3_DIR_PIN ORIG_E2_DIR_PIN
#define Z3_ENABLE_PIN ORIG_E2_ENABLE_PIN
#define FEATURE_DITTO_PRINTING 0
#define USE_ADVANCE 0
#define ENABLE_QUADRATIC_ADVANCE 0
Here is more info: I separated X motors from the X axis, to check very carefully if there were bent or somethin. They are not. With the motor desconected from the threaded rods, I move them useing repetier host 10 mm up. They move perfectly. I can move for ever with no signs of problems. I can move down with no problems , no strange sounds, nothing (of course, the motors move and nothing else since there are disconected from the X rods). BUT if I click on Z home the motor move a couple of turns and they both get blocked with a sound. Please see the the video:
In the video the rods are still conected to the motos, but if I desconect them, I get the same behaviour.
Sound comes from stalling motors
#define STEPPER_HIGH_DELAY 1 //or 2 if you operate from 12V supply 1 should work on 24V
#define DOUBLE_STEP_DELAY 3 // time in microseconds
#define MAX_ACCELERATION_UNITS_PER_SQ_SECOND_Z 100
#define MAX_TRAVEL_ACCELERATION_UNITS_PER_SQ_SECOND_Z 300
that should work, had same behavior on my previous machine
Ipdate: looking at the pictures I found in google, my drivers are not 8825... Dont know what they are, but looks like A4988
If I try your settings is there any chance I can break/burn or screw someting up?
Mt values of yor values are:
STEPPER_HIGH_DELAY 0
DOUBLE_STEP_DELAY 1
MAX_ACCELERATION_UNITS_PER_SQ_SECOND_Z 100
MAX_TRAVEL_ACCELERATION_UNITS_PER_SQ_SECOND_Z 100
Thanks for your help
in your case to find the problem i´ll try first
ALLOW_QUADSTEPPING 0 what just means you disable quadstepping
and
STEPPER_HIGH_DELAY 2
DOUBLE_STEP_DELAY 3
if that works you can speed up again
STEPPER_HIGH_DELAY 1
DOUBLE_STEP_DELAY 2
just try step by step, there is no danger to kill the hardware
ALLOW_QUADSTEPPING was already set to 0, so no change there
I set
STEPPER_HIGH_DELAY 2
DOUBLE_STEP_DELAY 3
Update:
STEPPER_HIGH_DELAY 1
DOUBLE_STEP_DELAY 2
also works
Can I also activate quad stepping?
Update2
Allow_quadstepping 1 also works
And that fixed the issue!!!
I dont have knowledge about this electronics stuff, but I would like to know what happened here. I googled about this but the information I found was quite technical, too much for me. Could you explain me in simple words what was all this problem? And what these settings control?
I mean: the printer was ok when useing repetier 0.90, then I tried Marlin, and it was ok (only problem was the sd card), then I moved back to repetier 0.92 and from there the problem started, even if I tried to install my old repetier 0.90 the problem was still there. So my guess was that marling "touched" some internal configuration?
Thanks a lot for your help and information, I will try now speeding a little as you told me.
Thanks!!!!
STEPPER_HIGH_DELAY 1
DOUBLE_STEP_DELAY 2
if it works, keep them... may be you can reduce double step delay to 1 , but i wouldn´t do it
if quadstepping 1 may be you have to increase to DOUBLE_STEP_DELAY 3.
anyway, now you have a working setup as base . you cannot kill hardware when changing ...
to your question what happened: the stepper high delay makes step pulse longer ,we are talking about 1 microsecond...
and the double step delay is time between pulses in double/quadstepping mode.
if that is too small it´s hard for stepper driver to recognize if step or not step...
hope that helps
did you change something on powersupply?
My settings now are:
STEPPER_HIGH_DELAY 1
DOUBLE_STEP_DELAY 2
Allow_quadstepping 1
The strange noise is not there anymore, and the homeing of Z works ok, no motors blocked
You said "if quadstepping 1 may be you have to increase to DOUBLE_STEP_DELAY 3"
Is set to 2 now, what signs or sympthom would lead me to change it to 3?
No power supply change. I have always been useing a 12V, 30 amp dedicated power supply. Makeing some memory... the day all this trouble began, I was cleaning the printer... and in the process the power supply felt to the floor. Nothing broke, it was and it is working. I tested the power and I get the usual 12.45 V
Thanks!
when quadstepping starts depends on feedrate and steps/mm and will be active for higher speeds only.
i think it will be active during combined x/y moves for example : after homing send a G1 x200 y200 F6000
f6000 is your max speed (set by max feedrate 100 mm/s f6000 means mm/min )
just play around , you´ll find your settings :-)
On of the modification I did with this problem was increaseing the power in the pololu of the Z axis. This didnt solve the issue. Then I solved it thanks to you, but today I realiced that I forgot to go back with the pololu configuation so I turn that little wheel to its original position. Well... that made the problem come back.
So I turned the pololu wheel till the problem desapered again. What is happening here? The problem is solved like 99%, but I can still here a bad noise in the stepper motors before starting a print, when the Z axis is rised quickly. Also, I noticed that 1 of the motors may be loosing steps because I can measure a diference in the high of both axis ends and I have to level them again (the difference is like 0.2). That is why I turnd the pololu wheel, I though that may be there was too much power being sent to them and that would be the cause of lost steps?
This must be the repetier corse.... I never should have tried marling firmware...
refer pololu datasheet regarding reference voltage and motor specs also.
i don´t know your motors , but if they are in parallel connection on one driver , keep in mind
they only get half the current you adjust on pololu.