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    TwoTone

    @TwoTone

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    Best posts made by TwoTone

    • RE: Trouble Shooting - not sure where to start

      Figured it out.

      I believe the PT100 wire gauge was too small to make a good contact in the connector.

      It was good enough for resistance reading but not when things were powered up.

      I seperated out the PT100 wires out and used a smaller JST plug and it's all working now.

      Thanks for the patience.

      posted in General Discussion
      TwoTone
      TwoTone
    • RE: Duet Wifi burned

      @calvinx Welcome to today's world.

      I'll just leave it there.

      posted in Duet Hardware and wiring
      TwoTone
      TwoTone
    • RE: PT-100 temperature constantly at 2000 degrees after failure

      Just thought I would post to wrap up my problem and incase anyone else runs into the same issue.

      I was using a Makerhive Yellow Jacket Quick Clip.
      It seems like the gauge of the PT100 wires was too small. It made just enough contact for the resistance measurements, but failed when powered up.

      When I routed the PT100 using a seperate JST plug, it all works correctly now.

      posted in Duet Hardware and wiring
      TwoTone
      TwoTone

    Latest posts made by TwoTone

    • Hotend crashing into bed again

      It's been a few months since we used the printer. Not sure what is happening.

      Firmware 1.21 w/ IR probe

      I've gone through the IR calibration. Heated everything up, brought the hot end down until it just grabs a piece of paper- set the Z height G92 Z0, then backed off 5mm and probed with G30 S-1 at entered that in the config file.

      I have measured and remeasure the home height, even used the control panel to raise the hotend until it touched the stops to confirm my measurement.

      Anyway, even after all that is done, if I manually bring the hotend back down until it just grabs the paper again, the Z height reads at around 85mm.

      I just don't see what I'm missing.

      Rockstock max V2

      ; Configuration file for Duet WiFi (firmware version 1.17 to 1.19)
      ; executed by the firmware on start-up
      ; generated by RepRapFirmware Configuration Tool on Tue Oct 16 2018 21:59:26 GMT-0400 (Eastern Daylight Time)

      ; General preferences
      G90 ; Send absolute coordinates...
      M83 ; ...but relative extruder moves
      M555 P1 ; Set firmware compatibility to look like RepRapFirmare

      ;*** The homed height is deliberately set too high in the following - you will adjust it during calibration.
      M665 R120 L269 B120 H372.83 ; Set delta radius, diagonal rod length, printable radius and homed height
      M666 X0 Y0 Z0 ; Put your endstop adjustments here, or let auto calibration find them

      ; Network
      M550 Duet ; Set machine name
      M552 S1 ; Enable network
      M586 P0 S1 ; Enable HTTP
      M586 P1 S0 ; Disable FTP
      M586 P2 S0 ; Disable Telnet

      ; Drives
      M569 P0 S1 ; X Tower Drive 0 goes forwards
      M569 P1 S0 ; Y Tower Drive 1 goes backwards
      M569 P2 S1 ; Z Tower Drive 2 goes forwards
      M569 P3 S1 ; Extruder 1 Drive 3 goes forwards
      M350 X16 Y16 Z16 E16 I1 ; Configure microstepping with interpolation
      M92 X106.667 Y106.667 Z106.667 E94.023 ; Set steps per mm

      M566 X72000 Y72000 Z72000 E1200 ; Set maximum instantaneous speed changes (mm/min)
      M203 X1200000 Y1200000 Z1200000 E3600 ; Set maximum speeds (mm/min)
      M201 X1000 Y1000 Z1000 E1000 ; Set accelerations (mm/s^2)
      M906 X1000 Y1000 Z1000 E500 I30 ; Set motor currents (mA) and motor idle factor in per cent
      M84 S30 ; Set idle timeout

      ; Axis Limits
      M208 Z0 S1 ; Set minimum Z

      ; Endstops
      M574 X2 Y2 Z2 S1 ; Set active high endstops

      ; Z-Probe
      M558 P1 X0 Y0 Z0 H25 F120 T6000 ; Set Z probe type to modulated, the axes for which it is used and the dive height + speeds
      G31 P500 X0 Y0 Z1.71 ; Set Z probe trigger value, offset and trigger height
      M557 R145 S20 ; Define mesh

      ; Heaters
      M305 P0 T100000 B4338 C0 R4700 ; Set thermistor + ADC parameters for heater 0
      M143 H0 S110 ; Set temperature limit for heater 0 to 110C
      M305 P1 X200 ; Configure thermocouple for heater 1
      M143 H1 S280 ; Set temperature limit for heater 1 to 280C

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

      ; 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
      ; Custom settings are not configured

      posted in IR Height Sensor
      TwoTone
      TwoTone
    • RE: Hotend crashing into bed during auto calibration.

      Thanks.
      I'm sorry I missed that, I used the reprap config tool for the Config.g file and wasn't even paying attention to the probe type in the command line.

      posted in IR Height Sensor
      TwoTone
      TwoTone
    • Hotend crashing into bed during auto calibration.

      I've run through the steps here: https://miscsolutions.wordpress.com/mini-height-sensor-board/

      I've had this working before, but from another post I've had to start everything over from the beginning.

      I've verified my Z height in the config.g by bringing the hot end down until it just just starts to get resistance with a piece of paper- the Z position reads zero. Yes while at temp.

      When I send the command to probe in the instructions above it stops.

      It's when I send the auto-calibrate command that it crashes. I can see the LED trigger, but it just keeps going.

      I've verified that right before the LED comes on I have a reading of 466 and then when it triggers it's 533.

      Bed.g
      ; bed.g
      ; called to perform automatic delta calibration via G32
      ;
      ; generated by RepRapFirmware Configuration Tool on Tue Oct 16 2018 21:59:26 GMT-0400 (Eastern Daylight Time)
      M561 ; clear any bed transform
      G28 ; home all towers
      ; Probe the bed at 6 peripheral and 6 halfway points, and perform 6-factor auto compensation
      ; Before running this, you should have set up your Z-probe trigger height to suit your build, in the G31 command in config.g.
      G30 P0 X0.00 Y110.00 Z-99999 H0
      G30 P1 X103.92 Y60.00 Z-99999 H0
      G30 P2 X103.92 Y-60.00 Z-99999 H0
      G30 P3 X0.00 Y-110.00 Z-99999 H0
      G30 P4 X-103.92 Y-60.00 Z-99999 H0
      G30 P5 X-103.92 Y60.00 Z-99999 H0
      G30 P6 X0.00 Y60.00 Z-99999 H0
      G30 P7 X51.96 Y30.00 Z-99999 H0
      G30 P8 X51.96 Y-30.00 Z-99999 H0
      G30 P9 X0.00 Y-60.00 Z-99999 H0
      G30 P10 X-51.96 Y-30.00 Z-99999 H0
      G30 P11 X-51.96 Y30.00 Z-99999 H0
      G30 P12 X0 Y0 Z-99999 S6

      Config.g
      ; Configuration file for Duet WiFi (firmware version 1.17 to 1.19)
      ; executed by the firmware on start-up
      ; generated by RepRapFirmware Configuration Tool on Tue Oct 16 2018 21:59:26 GMT-0400 (Eastern Daylight Time)

      ; General preferences
      G90 ; Send absolute coordinates...
      M83 ; ...but relative extruder moves
      M555 P1 ; Set firmware compatibility to look like RepRapFirmare

      ;*** The homed height is deliberately set too high in the following - you will adjust it during calibration.
      M665 R120 L269 B120 H289.75 ; Set delta radius, diagonal rod length, printable radius and homed height
      M666 X0 Y0 Z0 ; Put your endstop adjustments here, or let auto calibration find them

      ; Network
      M550 Duet ; Set machine name
      M552 S1 ; Enable network
      M586 P0 S1 ; Enable HTTP
      M586 P1 S0 ; Disable FTP
      M586 P2 S0 ; Disable Telnet

      ; Drives
      M569 P0 S1 ; X Tower Drive 0 goes forwards
      M569 P1 S0 ; Y Tower Drive 1 goes backwards
      M569 P2 S1 ; Z Tower Drive 2 goes forwards
      M569 P3 S0 ; Extruder 1 Drive 3 goes forwards
      M350 X16 Y16 Z16 E16 I1 ; Configure microstepping with interpolation
      M92 X106.667 Y106.667 Z106.667 E500 ; Set steps per mm

      M566 X72000 Y72000 Z72000 E900 ; Set maximum instantaneous speed changes (mm/min)
      M203 X1200000 Y1200000 Z1200000 E12000 ; Set maximum speeds (mm/min)
      M201 X1000 Y1000 Z1000 E2000 ; Set accelerations (mm/s^2)
      M906 X1000 Y1000 Z1000 E1000 I30 ; Set motor currents (mA) and motor idle factor in per cent
      M84 S30 ; Set idle timeout

      ; Axis Limits
      M208 Z0 S1 ; Set minimum Z

      ; Endstops
      M574 X2 Y2 Z2 S1 ; Set active high endstops

      ; Z-Probe
      M558 P2 X0 Y0 Z0 H20 F120 T6000 ; Set Z probe type to modulated, the axes for which it is used and the dive height + speeds
      G31 P500 X0 Y0 Z1.62 ; Set Z probe trigger value, offset and trigger height
      M557 R145 S20 ; Define mesh

      ; Heaters
      M305 P0 T100000 B4338 C0 R4700 ; Set thermistor + ADC parameters for heater 0
      M143 H0 S110 ; Set temperature limit for heater 0 to 110C
      M305 P1 X200 ; Configure thermocouple for heater 1
      M143 H1 S280 ; Set temperature limit for heater 1 to 280C

      ; Fans
      M106 P0 S1 I0 F500 H-1 ; Set fan 0 value, PWM signal inversion and frequency. Thermostatic control is turned off
      M106 P1 S0.5 I0 F500 H-1. ; Set fan 1 value, PWM signal inversion and frequency. Thermostatic control is turned on
      M106 P2 S1 I0 F500 H1 T45 ; Set fan 2 value, PWM signal inversion and frequency. Thermostatic control is turned on

      ; 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
      ; Custom settings are not configured

      posted in IR Height Sensor
      TwoTone
      TwoTone
    • RE: PT-100 temperature constantly at 2000 degrees after failure

      Just thought I would post to wrap up my problem and incase anyone else runs into the same issue.

      I was using a Makerhive Yellow Jacket Quick Clip.
      It seems like the gauge of the PT100 wires was too small. It made just enough contact for the resistance measurements, but failed when powered up.

      When I routed the PT100 using a seperate JST plug, it all works correctly now.

      posted in Duet Hardware and wiring
      TwoTone
      TwoTone
    • RE: Duet Wifi burned

      @calvinx Welcome to today's world.

      I'll just leave it there.

      posted in Duet Hardware and wiring
      TwoTone
      TwoTone
    • RE: Trouble Shooting - not sure where to start

      Figured it out.

      I believe the PT100 wire gauge was too small to make a good contact in the connector.

      It was good enough for resistance reading but not when things were powered up.

      I seperated out the PT100 wires out and used a smaller JST plug and it's all working now.

      Thanks for the patience.

      posted in General Discussion
      TwoTone
      TwoTone
    • RE: Trouble Shooting - not sure where to start

      @dc42 I'll try. I am using a Yellow Jacket quick clip so it makes it hard to get a good picture at the hotend side.

      I had the single wires from the PT100 going into the bottomside and then the 4 wires from the top.

      I am going to eliminate that and directly wire everything and see if that works. Just guessing at this point is the Thermistor worked before with the connector

      posted in General Discussion
      TwoTone
      TwoTone
    • RE: Trouble Shooting - not sure where to start

      @danal I understand. My point is every single test individually is correct. Yet put it all together and it doesn't work.

      That is where I'm puzzled. That PT100 has the same resistance as the one in the hotend measured at the board.

      The only thing I can think of is perhaps the voltage isn't high enough? Waiting for David to take a look at the post since I can't find anywhere that lists what the voltage should be.

      posted in General Discussion
      TwoTone
      TwoTone
    • RE: Trouble Shooting - not sure where to start

      @dc42 I have- you tried to help in another thread- all test are fine yet it still doesn't work- it why I walked away from the printer for a few months.

      It's wired correctly using two cat5 pairs that are twisted and run in separate tower with no other wires.
      At the board:
      pins:
      1-4 104 ohms
      2-3 104 ohms
      1-4 .009 volts
      2-3 .009 volts

      not shorts to out case of PT100. I have two PT100, both behave the same.

      Config file has the M305 P1 X200.

      Also behaves the same on either channel.

      I've googled and read through just about every thread I've found from others with the same issue.

      With 100 ohm resistor in pin 2-3 jumpers 1-2 3-4 I get -1.4 degrees.
      With one of the PT100s wired in place of the resistor 22 degrees.

      So what's left me baffled is where is the problem in the wiring from the board to the PT100 in the heater block when all the measurements check out.

      posted in General Discussion
      TwoTone
      TwoTone
    • RE: Trouble Shooting - not sure where to start

      That was it, thanks for all the help

      Now to start over with the PT100 always reading 2000

      posted in General Discussion
      TwoTone
      TwoTone