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SD Card Pause Speed

April 16, 2018, 1:02 pm
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What value does the firmware use when I hit pause on the SD card menu on the full graphics lcd? I have 2 corexy printers and when I hit pause through the SD menu they go back to home so fast that they usually bind and stop. I searched through the forums and on Google and perhaps the maxFeedRate is the speed it's referencing?

Thanks!
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Disable psu when inactive

April 17, 2018, 1:03 pm
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Hi, I have configured firmware to switch on the power supply when required, is there a way to turn it off when the printer is inactive for a defined time? Just like "disable steppers after xx seconds" or I have to send M81 to the printer?
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RADDS + ReprapDiscount Full GLCD

October 18, 2016, 5:39 pm
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hi

I see it in the online config tool there is an option to use the RRD Full GLCD with RADDS, I have both LCD2004, GLCD 12864 and the RADDS LCD, but I like to use the GLCD instead, do I need to make any changes on the wiring with the latest firmware from online config tool?

thanks
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Dual endstops for X and Y

April 20, 2017, 1:40 am
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I've seen reference to using dual endstops to drive each Z motor (on separate drivers of course) to their own endstop, to level out a long axis.


On an MPCNC (popular CNC project using RAMPS), I'm running X and Y with second motors on E0 and E1 using FEATURE_TWO_XSTEPPER and FEATURE_TWO_YSTEPPER, works great and happy to see this in the FW, looked for it in vain on Marlin (or at least not done as simply).

Is there a way to use 2 X and Y endstops like the Z to square off the unit? On longer runs it's not uncommon to see the carriages at each end find their way to being up to a couple centimeters out of alignment after some usage.
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core xy moving strange on axes

April 20, 2018, 3:43 pm
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i just build a ed printer core xy
I try setup my firmware with repetier config tool
very strange is after some testing  i was shocked by this:
when I move printer on x positiv - is moving normaly
when I move back on x axe the head is mooving on x and y (theory say must turn in the same position like before)
the same think is happend on y
I cannot explain more
i used config tool 1.02 on website
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ramps 1.4 to MKS Gen l

April 21, 2018, 2:10 pm
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Planing to swap out the Ramps 1.4 and mega and change it out to a MKS Gen L
According to most o f what i can find it is a 1>1 swap, including the board type 33
may test with the full discount then switch to the TFT

Plan to continue  using my original config with Repetier for my large scale CoreXY using 0.92
Just wondering if there are any Firmware changes?
thanks as always
Recoush

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Setting PID values without using the EEPROM?

April 22, 2018, 6:19 am
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Hi,

I've run the PID autotune function via Repetier Host and now I want to save the calculated kp, ki, kd values on the printer, but without using the EEPROM (which is normally deactivated on my machine). Is there a way to do this with the firmware configurator?
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RADDS 1.6 and RAPS128 settings?

April 22, 2018, 5:03 am
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Hi guys,

I'm new to this forum so, Hi :).
I recently bought the RADDS controller with the DUE and some new shiny RAPS128 (1/128) stepperdrivers.
After checking out the values inside the configuration.h I kinda had a problem figuring out the settings for a nema 17 stepper motor attached to a 1/128 stepperdriver.

Where do I get these values to get it al correct?
which values do I need to change?

Can anyone help please?
Thanks in common

Dennis


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CoreXY laser slow short moves

April 28, 2018, 9:40 pm
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I've got my coreXY setup with a laser, works fairly well. Except with a laser its fairly important that your movement is at a consistent speed. What is happening is when there are many short moves like a circle, even if F1000 its moving probably closer to F200, really causes issue with a laser. This could be because my Gcode has many small moves, I've tried cranking up the acceleration to 3000, making sure max speeds are high enough, max jerk is 100, even set move cache to 0, still slows down when printing many small segments. I have a feeling it has something to do with LOW_TICKS_PER_MOVE

M3 S51.00
G1 X27.60 Y46.39 F2000
G1 X27.62 Y46.39
G1 X27.63 Y46.40
G1 X27.65 Y46.41
G1 X27.66 Y46.42
G1 X27.67 Y46.43
G1 X27.68 Y46.45
G1 X27.69 Y46.46
G1 X27.70 Y46.48

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Spindle control with repetier

February 26, 2018, 10:54 am
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Hi,

I would like to run my CNC router spindle with the firmware, I have an AtMega2560 board with ramps 1.4. I would like to use one of the pins on the board like D9 or one of the servo pins. There will be a relay to turn spindle on and off. Is there a way to turn spindle on and off from the LCD display or should it get the G-code command like M3/M4? 
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Autobedlevel and Z homing setup with Inductive Proximity NPN

April 30, 2018, 7:06 am
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Hi.
I have a DIY Prusa i3.
Everything was ok without proximity sensor.
Then I bought a LJ12A3-4-Z/BX Inductive Proximity Sensor Detection Switch NPN DC6-36V 4mm

I tried to follow the instructions here:
https://www.repetier.com/documentation/repetier-firmware/z-probing/
First I manually test the probe: OK
Then I start calibration as described in Calibrating Z-Probe.
I'm using a 1mm metal block
G30 P0 - The extruder moves down until the probe activate on the metal block. EX: Z-Probe: 9.867 X:10.00 Y:20.00
Then: M114 - The Z height is set as Zold EX: X:10.00 Y:20.00 Z:10.000
Then I start to manually go down but it stops when Z=0 so I can't go down to touch the nozzle on the metal block.

Can someone please try to find the problem?
Thanks





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What are low PID values?

May 1, 2018, 9:31 am
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Hello,

The Repetier FW configuration tool recommends to use Scale PID values to max. PID. Can give better temp. results if max. PID is low. (SCALE_PID_TO_MAX).

But what are "low PID values"?

Here are mine (100k NTC 3950, Extruder): Kp: 7.24, Ki: 0.15, Kd: 26.02
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Configuring Extruder MAX Feedrate, Start Feedrate, and Acceleration

May 3, 2018, 3:07 pm
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What is the procedure to configure these settings so that I get the most speed out of my feeder without inducing skipping/grinding of filament. 

I am using .85A .9 degree Steppers that output 59 oz-in (0.42 N-m) holding torque. They are ran by a TMC2100 stepper driver with the POTS configured to provided the OEM specified amount of power for the motor, not more and not less.

Currently my Repetier firmware settings are:

MAX FEEDRATE: 35 mm/s
START FEEDRATE: 5 mm/s
ACCELERATION: 3000 mm/s

I am getting some issues with skipping and grinding what should I adjust?
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Busy:Processing after subsequent extruder motor activation

May 4, 2018, 8:24 am
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Hey guys, got a weird thing that started happening with printer. Everything was working fine the day before until i rebooted my pc sooooo nothing changed as far as i'm concerned.

Problem:

After all homing and preheating procedures, I can click on manual extrution for 1, 10, 50mm. I notice that the extruder motor rotates and then there is a pause, then it rotates again and then just stops. When this happens, all other commands get delayed (ie i click home, or jog and the printer takes 2-30s before executing the move). Further attempts to manually jog causes message "Busy:Processing".

What I already tried and same behavior occured:
  1. Reduce BAUD rate to lower values
  2. Increase extruder motors driver current
  3. Decreased receive cache size to 63 in RH
  4. Enabled send OK and WAIT in RH firmware configurator
  5. Re-installed and regenerated RH firmware and Host
  6. Changed USB ports
  7. Changed computers
  8. Changed Arduino DUE board for a new one
  9. Grabbed a cup of coffee hoping for magic :)
Machine specs:
  1. Custom built running on Arduino DUE with RADDS shield
  2. Firmware: Repetier Firmware generated using Repetier-Firmware configuration tool for version 1.0.2
  3. Host: Repetier Host 2.0.5
  4. OS: Win 10 x64
  5. Baud rate: 115200 ANSI
The night before I successfully ran 3D printing jobs and manually extruded without problems. If I do NOT activate extrude motors and simply do a dry run, everything works fine.

Any idea what may be causing this?
I've attached my config.json file and RH host logs in the file named configfiles.zip

Thanks ahead for your help.
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Bricked LCD screen (2 rows of white Squares)

May 3, 2018, 9:51 pm
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I'm new to 3d printers, only assembling my first printer 2 weeks ago, the printer I assembled worked great for 1 week and made 5 successful prints (2 maker coins, 2 upgrades, 1 blade of chaos) the day after the final print when I turned the printer on it had 2 rows of rectangles on the screen. I've been trying to look into this for a week but with little success on finding a solution. most of what I could find is that it relates to firmware.

The printer I have I ordered off Walmart.com and it was stated as a anet A8, Prusa I3, Reprap.
The frame of the printer has Prusa I3 engraved, and from what I could find online the main board is a Melzi.
The file in the SD card states the printer is a Tronxy X6D.

Any help would be appreciated Id hate to return or put more money into this unless I know the results are absolute, thank you.
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Dual X carriage printer - cooling fan

May 4, 2018, 6:25 am
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Hi,

I am working on my construction of a dual X carriage 3D printer. I have some thoughts about cooling fan behavior.

I have configured the Repetier firmware to use two print cooling fans - "fan" (i will call it fan 1) and "fan 2". I want to have fan 1 on 1st printhead and fan 2 on the second one. Unfortunately, when i switch printhead with "T" command fan control always goes to fan 1. So when the 2nd printhead is working its print cooling fan is off and all commands goes to the 1st one which makes no practical sense.

My idea is to change behavior of "M106" and "M107" commands to the following:
- When 1st carriage is active and no "P" is specified, the command affects fan 1
- When 2nd carriage is active and no "P" is specified, the command affects fan 2
- When "P" is specified, then the command affects the specified fan

I also propose the tool change "T" command behavior to do the following:
- Set fan speed on the next printhead to the speed of the current active fan
- Turn off fan on the current printhead
- Set active fan on the next printhead as active

I don't know how other slicing software deals with print cooling fans but Slic3r cannot control two fans. It just generates "M106" and "M107" without the "P" parameter.

I have also noticed one more thing when looking through the firmware code: Fan control commands for fan 1 are queued along with moves but commands for fan 2 take effect immediately. Maybe commands for both fans should be queued ? This would make more sense...

I am going to modify the firmware and change fan control behavior anyway, but first i want to post these ideas here. If they get accepted by the community i can make a pull request later.
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Problem with laser option

February 11, 2018, 2:44 am
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Hi everyone,
I'm having some problems with activation laser. Using 101 firmware, laser is On/Off style, 1W, connected to hotend fan pin (ORIG_FAN_PIN as in Configuration file). 
Here's a piece of gcode:
;start g_code
G28 ; home all axes
M452 ; select laser mode
G21 ; set units to millimeters
G90 ; use absolute coordinates
;general g_code
M106 S0
G0 X0 Y0 Z40 F1000
G0 X-2 Y0 F1000
G0 X0.02 Y0 F1000
M106 S255
G1 X40.01 Y0 F500
M107 S0

I can manually activate laser, but it doesn't activate in print process. What am I doing wrong?
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wrong z - direction for the z-probe on my prusa i3

November 10, 2014, 11:41 am
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Hello all, I am using it as the Z-min endstop with Z-max endstop and that works fine . But when I go to probe, the x-axis and y-axis moved correctly. but z-axis moved inverse.
If I set "true" for the "#define INVERT_Z_DIR" then z-probe moved wrong direction for the z-axis.
but I set "false" then it has go to wrong direction for the z-axis in printing. is there any way to solve this issue?
I got a log from the G31 command this " Z-probe state:H". what is meaning? 
Below is my z-probing conf for the z-axis in my Configuration.h file:
// #################### end stop for the z-axis #####################
#define ENDSTOP_PULLUP_Z_MIN true
#define ENDSTOP_PULLUP_Z_MAX true
#define ENDSTOP_Z_MIN_INVERTING true
#define ENDSTOP_Z_MAX_INVERTING true
#define MIN_HARDWARE_ENDSTOP_Z true
#define MAX_HARDWARE_ENDSTOP_Z true
#define Z_ENABLE_ON 0
#define INVERT_Z_DIR true
#define Z_HOME_DIR 1  
#define ENDSTOP_Z_BACK_MOVE 5
#define min_software_endstop_z false
#define max_software_endstop_z false
#define ENDSTOP_Z_BACK_ON_HOME 0
#define Z_MAX_LENGTH 180
#define Z_MIN_POS 0
// #################### Z-Probing #####################
#define Z_PROBE_PULLUP true
#define Z_PROBE_ON_HIGH true
#define Z_PROBE_WAIT_BEFORE_TEST false 
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Both Z axis steppers are moving the oposite direction

May 5, 2018, 11:58 am
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Hi guys,

I having a hard time problem solving, but I am getting there.
Just fixed my end stopping but;

When homing Z to Z min
Stepper Z1 and stepper Z2 are spinning towards each other, result is that the right side is going up and left is going down.
from the start it wanted to set Z home to the top so I inverted it:

#define X_ENABLE_ON 1
#define Y_ENABLE_ON 1
#define Z_ENABLE_ON 1
#define DISABLE_X 0
#define DISABLE_Y 0
#define DISABLE_Z 0
#define DISABLE_E 0
#define INVERT_X_DIR 1
#define INVERT_Y_DIR 1
#define INVERT_Z_DIR 1
#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 180

What is going on and how is this fixable?

Thanks!
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Failing uploading sketch to arduino DUE

May 9, 2018, 1:07 pm
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Hi,

So i have a radds board, into a arduino due(onboard a udoo quad) and i just upgraded to 1.0.2 firmware. But im having a great deal of problems getting it uploaded to my arduino :)

First problem was that i needed arduino IDE 1.8.5. Got that sorted
but now im getting an error about 
/home/udooer/.arduino15/packages/arduino/tools/bossac/1.6.1-arduino/bossac: /usr/lib/arm-linux-gnueabihf/libstdc++.so.6: version `GLIBCXX_3.4.20' not found (required by /home/udooer/.arduino15/packages/arduino/tools/bossac/1.6.1-arduino/bossac)

The OS is udoobuntu, based on ubuntu 14.04 i believe.

Im very much a linux noob so i need some assistance to get this fixed :P 


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