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    JKaechler

    @JKaechler

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    Latest posts made by JKaechler

    • RE: BLTouch v3.0 and a 1.02 board. Resistor or Not Resistor?

      @antlestxp said in BLTouch v3.0 and a 1.02 board. Resistor or Not Resistor?:

      The resistor is for the 3.3v logic. The older Bltouch used 5v logic. The smarts have the cut trace to switch back and forth. The 3 gets rid of that and is 3.3 out of the box. You have to activate the 5v logic through G-code

      Does that mean that I can just use the v3 as is without any fancy wiring. just plug it in as the Wiki shows and go for it?

      posted in Duet Hardware and wiring
      JKaechler
      JKaechler
    • BLTouch v3.0 and a 1.02 board. Resistor or Not Resistor?

      I am looking at the various wiring schemes for BLTouch, and i am a bit confused on the various versions. I have v3.0 and an older DUET WiFi board. I see the wiring that needs to be connected and thats easy enough. However, i also see references to connect a resistor on the white wire of the BLTOUCH. That is inline before it gets to the Z-Probe in pin? There is no trace to cut to enable 3.3v on this model. I think that the only question mark i have is wether or not i need that resistor. Please advise me if any other wiring needs to be changed from what is in the Wiki article.

      posted in Duet Hardware and wiring
      JKaechler
      JKaechler
    • RE: IR Z Probe Settings

      That works! thanks.
      Now my next challenge. When I try to run bed mesh compensation, it moves to the first probe point, and then on down to the bed. But the Z keeps going down, the probe lights up but does not trigger. After a couple seconds DWC will report 'Z axis did not trigger' and abort the auto bed compensation run.

      What do i have wrong on this one?

      P.S. Phaedrux and DC42, thank you both for many answers and tips over the past year or so.

      posted in Tuning and tweaking
      JKaechler
      JKaechler
    • IR Z Probe Settings

      Hello again.
      I had to switch to a microswitch Z stop for a while, but now i am putting the IR probe back to work. I have it mounted, and wired. It triggers just fine, and the Duet can read it. However, it triggers at 1.25mm above the bed like it should and I cant seem to set the Z offset so that it moves on down to zero. It stubbornly sticks to the Z height being exactly where it triggers the IR probe.
      This seems like its a leftover setting from the Z probe time, But I am not able to tell where. I will attach my config.g and homeall.g files here, so you can point out what i missed.

      Config.G:
      ; Configuration file for Duet WiFi (firmware version 1.21)
      ; executed by the firmware on start-up
      ;
      ; generated by RepRapFirmware Configuration Tool v2 on Tue Feb 26 2019 22:23:49 GMT-0600 (Central Standard Time)

      ; General preferences
      G90 ; Send absolute coordinates...
      M83 ; ...but relative extruder moves

      ; Network
      M550 P"AMV8" ; Set machine name
      M552 S1 ; Enable network
      M587 S"Awesome Sauce!" P"1q2w3e4r" I10.0.42.195 J10.0.42.1 K255.255.255.0 ; Configure access point and IP addresses. You can delete this line once connected
      M586 P0 S1 ; Enable HTTP
      M586 P1 S0 ; Disable FTP
      M586 P2 S0 ; Disable Telnet

      ; Drives
      M569 P0 S0 ; Drive 0 goes forwards
      M569 P1 S0 ; Drive 1 goes forwards
      M569 P2 S0 ; Drive 2 goes forwards
      M569 P3 S0 ; Drive 3 goes forwards
      M569 P4 S1 ; Drive 4 goes forwards
      M350 X32 Y32 Z32 E32:32 I0 ; Configure microstepping without interpolation
      M92 X160.00 Y160.00 Z845.00 E768.00:768.00 ; Set steps per mm
      M566 X900.00 Y900.00 Z12.00 E120.00:120.00 ; Set maximum instantaneous speed changes (mm/min)
      M203 X6000.00 Y6000.00 Z180.00 E1200.00:1200.00 ; Set maximum speeds (mm/min)
      M201 X500.00 Y500.00 Z250.00 E250.00:250.00 ; Set accelerations (mm/s^2)
      M906 X1200.00 Y1200.00 Z1200.00 E900.00:900.00 I30 ; Set motor currents (mA) and motor idle factor in per cent
      M84 S30 ; Set idle timeout
      M564 H0 ; Allow movement without homing

      ; Axis Limits
      M208 X0 Y0 Z0 S1 ; Set axis minima
      M208 X250 Y280 Z270 S0 ; Set axis maxima

      ; Endstops
      M574 X1 Y1 S0 ; Set active low and disabled endstops
      M591 D0 P2 C3 S1 ; Set E0 endstop to filament runout microswitch on E0
      M591 D1 P2 C4 S1 ; Set E1 endstop to filament runout microswitch on E1

      ; Z-Probe
      M574 Z1 S2 ; Set endstops controlled by probe
      M558 P1 H5 F120 T6000 ; Set Z probe type to unmodulated and the dive height + speeds
      G31 P500 X10 Y0 Z1.25 ; Set Z probe trigger value, offset and trigger height
      M557 X30:200 Y30:240 S20 ; Define mesh grid

      ; Heaters
      M305 P0 T100000 B4138 R4700 ; Set thermistor + ADC parameters for heater 0
      M143 H0 S120 ; Set temperature limit for heater 0 to 120C
      M305 P1 T100000 B4138 R4700 ; Set thermistor + ADC parameters for heater 1
      M143 H1 S280 ; Set temperature limit for heater 1 to 280C

      ; Fans
      M106 P0 S0 I0 F500 H-1 ; Set fan 0 value, PWM signal inversion and frequency. Thermostatic control is turned off
      M106 P1 S1 I0 F500 H1 T45 ; Set fan 1 value, PWM signal inversion and frequency. Thermostatic control is turned on
      M106 P2 S0 I0 F500 H-1 ; Set fan 2 value, PWM signal inversion and frequency. Thermostatic control is turned off

      ; Tools
      M563 P0 D0 H1 ; Define tool 0
      G10 P0 X0 Y0 Z0 ; Set tool 0 axis offsets
      G10 P0 R0 S0 ; Set initial tool 0 active and standby temperatures to 0C
      M563 P1 D1 H1 ; Define tool 1
      G10 P1 X0 Y0 Z0 ; Set tool 1 axis offsets
      G10 P1 R0 S0 ; Set initial tool 1 active and standby temperatures to 0C

      ; Automatic saving after power loss is not enabled

      ; Custom settings are not configured

      ; Miscellaneous
      M501 ; Load saved parameters from non-volatile memory
      T0 ; Select first tool


      Homeall.G:
      ; homeall.g
      ; called to home all axes
      ;
      ; generated by RepRapFirmware Configuration Tool v2 on Tue Feb 26 2019 22:23:49 GMT-0600 (Central Standard Time)
      G91 ; relative positioning
      G1 Z10 F6000 S2 ; lift Z relative to current position
      G1 S1 X-225 Y-285 F3600 ; move quickly to X and Y axis endstops and stop there (first pass)
      G1 X5 Y5 F6000 ; go back a few mm
      G1 S1 X-225 Y-285 F1000 ; move slowly to X and Y axis endstops once more (second pass)

      G90 ; back to absolute mode
      G1 X140 Y140 F36000 ; put the head wherever you want it to be when you home Z (omit this line if it doesn't matter)
      G91 ; relative mode
      G1 S1 Z-300 F700 ; move Z down until the switch triggers
      G90 ; back to absolute mode
      G92 Z0 ; tell the firmware that we are at Z=0
      G1 Z5 F500 ;lift Z a bit

      ; Uncomment the following lines to lift Z after probing
      ;G91 ; relative positioning
      ;G1 S2 Z5 F100 ; lift Z relative to current position
      ;G90 ; absolute positioning

      posted in Tuning and tweaking
      JKaechler
      JKaechler
    • RE: Hotend woes and heater faults

      The heating fault actually turned out to be a messed up configuration in my slicer. Cura was still trying to do something with the second tool, and that was apparently confusing the firmware and causing a heat fault.

      When i reset Cura back to the single extruder configuration, everything went immediately back to normal.

      Regarding the jams in the dual extruder, the heat creep and retraction issues seems like it makes a lot of sense.

      In your collective experience, would I be better off with a Y-splitter arrangement like the Prometheus hotend, or the 2 in 1 out arrangement like the cyclops?

      I defenitely want a single nozzle arrangement.

      posted in Tuning and tweaking
      JKaechler
      JKaechler
    • Hotend woes and heater faults

      So, I tried out a cheap knockoff of the E3D Cyclops. it is best described with one word. "Jams" Thats all it did, so I guess I have to save my pennies for a real Cyclops. Unless you the community can tell me if there is a better way to get dual material / dual color printing?

      Also, Once I put my E3d v6 back until the dual do-over, I am now getting heater faults. The hotend temp will suddenly run crazy and the system will halt due to the fault. Hooray for safety cutoffs!

      What could cause this? it was working fine before. I have not reconfigured anything. I did a autotune and tried again and it did not help. However, during the autotune the Duet reported that my hotend was overpowered and might run up to 600 something degrees. That was new.

      Any idea what is goin on?

      background info: This is a Duet Wifi board verson 1.02, Running firmware v2.02
      The printer is a Cartesian style, (see the AMV8 design on thingiverse) and the hotend is an E3D v6 all metal.
      I have two bondtech extruders on the top rail, headed for dual bowden style setup.

      I get about onto the 3rd layer or the 4th layer and it halts in the same place each time...... weird.

      posted in Tuning and tweaking
      JKaechler
      JKaechler
    • Conversion from IR Z sensor to a simple endstop?

      I am going to switch from a Z sensor back to an endstop for a little while.
      What parts of the config.g file will need to be changed to accomodate that?

      posted in General Discussion
      JKaechler
      JKaechler
    • RE: LJ12A3-4-Z/BX wiring questions

      @aidar Actually nothing happens. No LED, no triggering.

      posted in Duet Hardware and wiring
      JKaechler
      JKaechler
    • LJ12A3-4-Z/BX wiring questions

      I have a LJ12A3-4-Z/BX probe that i am working on mounting up. When i connect it to 12v (the input circuit for the Duet) and it is not triggered its LED is lit but dimly. When i triggers against metal, the LED lights up brighter. When not triggered, i read 5.8v on the signal output wire. and when it triggers that drops to 4.3v.

      That does not seem right. That seems like the wrong voltages.

      I had planned to connect this in place of the IR sensor, to the Z-probe pins near the paneldue header.

      My wire coloring also seems different. I get Black as ground, Brown as positive, and Blue as signal. Connecting Black to ground and blue to signal gets the probe lit steadily at the bright LED and no response from triggering it. Connecting black ground, brown +12v, and blue signal gets the pattern described at the outset.

      Help?

      posted in Duet Hardware and wiring
      JKaechler
      JKaechler
    • RE: IR Trigger height suddenly changed a lot

      For what its worth, I also cleaned the sensor and got essentially no change. After further testing I have also found that the sensor is making increasingly large errors as well. Basically i have to watch the first bit of the first layer and baby step it a bit to get it right each time.

      posted in IR Height Sensor
      JKaechler
      JKaechler