Posts made by zfeng

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@phaedrux Yes my external driver needs 5V, will this breakout board work for my case?
https://duet3d.dozuki.com/Wiki/Duet_Expansion_Breakout_Board

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@phaedrux Since I'll use the E2 of the expansion to wire my extruder motor, how to modify the config code to use the E2? I won't use the E0 and E1.

My config.g Driver code is below:

; Drives
M569 P0 S0 ; physical drive 0 goes backwards
M569 P1 S0 ; physical drive 1 goes backwards
M569 P2 S1 ; physical drive 2 goes forwards
M584 X0 Y1 Z2 ; set drive mapping
M350 X16 Y16 Z16 I1 ; configure microstepping with interpolation
M92 X80.00 Y80.00 Z400.00 ; set steps per mm
M566 X900.00 Y900.00 Z60.00 ; set maximum instantaneous speed changes (mm/min)
M203 X6000.00 Y6000.00 Z180.00 ; set maximum speeds (mm/min)
M201 X500.00 Y500.00 Z20.00 ; set accelerations (mm/s^2)
M906 X800 Y800 Z800 I30 ; set motor currents (mA) and motor idle factor in per cent
M84 S30 ; Set idle timeout

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@phaedrux I'm not using motor drive output, I'm using the expansion portion of the board, which is 3.3V output. But my extruder motor needs 5V.

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@phaedrux Hi, my extruder motor needs 5V, while the Duet board output is 3.3V, I'm thinking of buying a breakout board like this:
https://duet3d.dozuki.com/Wiki/Duet_Expansion_Breakout_Board
Will it work?

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@phaedrux Could you please explain how to do that?

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Hi, now the temperature is all set, but I have some problems with the extruder motor. I used the expansion portion (highlighted in the red square shown below) of the board for extruder signals. The channels I connected are E2, but I couldn't setup the config file to use the E2 motor because it isn't listed.

7ff40987-6e5c-447c-b1cb-59367a996bfc-Screenshot (1).png

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@phaedrux I plan to use a dual thermocouple connector to split the thermocouple signal, so that one goes to the PID and the other goes to the Duet board.

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@phaedrux It's a very common Inkbird PID controller. The thermocouple from the extruder head is a K-type thermocouple.

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@phaedrux I want to send the temperature signal from PID to the Duet board, do I need adapters to do it? I saw online there's some kind of daughter board for thermocouple. I'm using Duet 2 ethernet, which daughter board should I purchase?

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@phaedrux Another question I have is: what is the unit of the numbers in the machine movement control? Is it mm?

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@phaedrux ; Configuration file for Duet WiFi (firmware version 3)
; executed by the firmware on start-up
;
; generated by RepRapFirmware Configuration Tool v3.2.3 on Thu Jun 10 2021 17:46:43 GMT-0400 (Eastern Daylight Time)

; General preferences
G90 ; send absolute coordinates...
M83 ; ...but relative extruder moves
M550 P"My Printer" ; set printer name

; Network
M552 S1 ; enable network
M586 P0 S1 ; enable HTTP
M586 P1 S0 ; disable FTP
M586 P2 S0 ; disable Telnet

; Drives
M569 P0 S0 ; physical drive 0 goes backwards
M569 P1 S0 ; physical drive 1 goes backwards
M569 P2 S0 ; physical drive 2 goes backwards
M569 P3 S1 ; physical drive 3 goes forwards
M584 X0 Y1 Z2 E3 ; set drive mapping
M350 X16 Y16 Z16 E16 I1 ; configure microstepping with interpolation
M92 X80.00 Y80.00 Z400.00 E420.00 ; set steps per mm
M566 X900.00 Y900.00 Z60.00 E120.00 ; set maximum instantaneous speed changes (mm/min)
M203 X6000.00 Y6000.00 Z180.00 E1200.00 ; set maximum speeds (mm/min)
M201 X500.00 Y500.00 Z20.00 E250.00 ; set accelerations (mm/s^2)
M906 X800 Y800 Z800 E800 I30 ; set motor currents (mA) and motor idle factor in per cent
M84 S30 ; Set idle timeout

; Axis Limits
M208 X0 Y0 Z0 S1 ; set axis minima
M208 X230 Y210 Z200 S0 ; set axis maxima

; Endstops
M574 X1 S1 P"!xstop" ; configure active-high endstop for low end on X via pin !xstop
M574 Y1 S1 P"!ystop" ; configure active-high endstop for low end on Y via pin !ystop
M574 Z1 S1 P"!zstop" ; configure active-high endstop for low end on Z via pin !zstop

; Z-Probe
M558 P0 H5 F120 T6000 ; disable Z probe but set dive height, probe speed and travel speed
M557 X15:215 Y15:195 S20 ; define mesh grid

; Heaters
M308 S0 P"bedtemp" Y"thermistor" T100000 B4138 ; configure sensor 0 as thermistor on pin bedtemp
M950 H0 C"bedheat" T0 ; create bed heater output on bedheat and map it to sensor 0
M307 H0 B1 S1.00 ; enable bang-bang mode for the bed heater and set PWM limit
M140 H0 ; map heated bed to heater 0
M143 H0 S120 ; set temperature limit for heater 0 to 120C
M308 S1 P"e0temp" Y"thermistor" T100000 B4138 ; configure sensor 1 as thermistor on pin e0temp
M950 H1 C"e0heat" T1 ; create nozzle heater output on e0heat and map it to sensor 1
M307 H1 B0 S1.00 ; disable bang-bang mode for heater and set PWM limit
M143 H1 S280 ; set temperature limit for heater 1 to 280C

; Fans
M950 F0 C"fan0" Q500 ; create fan 0 on pin fan0 and set its frequency
M106 P0 S0 H-1 ; set fan 0 value. Thermostatic control is turned off
M950 F1 C"fan1" Q500 ; create fan 1 on pin fan1 and set its frequency
M106 P1 S1 H1 T45 ; set fan 1 value. Thermostatic control is turned on

; Tools
M563 P0 D0 H1 F0 ; 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 defined

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@phaedrux Before I change anything today, the xyz homing all went fine... I don't know why. But the issue of extrude/retract not active still the same.

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@phaedrux Yes clicking switch changes LED light on the board.

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@phaedrux ; homex.g
; called to home the X axis
;
; generated by RepRapFirmware Configuration Tool v3.2.3 on Wed Jun 09 2021 18:36:12 GMT-0400 (Eastern Daylight Time)
G91 ; relative positioning
G1 H2 Z5 F6000 ; lift Z relative to current position
G1 H1 X-235 F1800 ; move quickly to X axis endstop and stop there (first pass)
G1 H2 X5 F6000 ; go back a few mm
G1 H1 X-235 F360 ; move slowly to X axis endstop once more (second pass)
G1 H2 Z-5 F6000 ; lower Z again
G90 ; absolute positioning

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@phaedrux G28 X, failed to enable endstops.
This is the type of endstop I'm using. It worked before I upgrading the firmware.

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@phaedrux After I click Home X or Y or Z, the system would move down a little bit, then stop, not moving in the homing direction at all.

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@phaedrux Using the config file I posted, it doesn't work.

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@zfeng I used M115 and verified it's updated.

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@phaedrux Sorry pasted the wrong one.
; Configuration file for Duet WiFi (firmware version 3)
; executed by the firmware on start-up
;
; generated by RepRapFirmware Configuration Tool v3.2.3 on Wed Jun 09 2021 18:36:12 GMT-0400 (Eastern Daylight Time)