Z Endstop not used

dc42

@dc42 said in Z Endstop not used:

The S2 option of M574 is intended for use only when axes other than Z are using the Z probe for homing.

then this ought to be changed in the configurator as it is always generating
M574 Z1 S2
when a probe is selected

Thanks for point this out. We'll get it changed.

soreloser

@dc42 said in Z Endstop not used:

https://duet3d.dozuki.com/Wiki/Connecting_a_Z_probe#Section_Software_setup_RepRapFirmware_Num_3

The same condition with these changes, it still asks what the probe hight is and will not lower to check;
M574 Z0
M574 Z0 S1 P"zstop"

soreloser

So I purchased an inductive probe as I believed that the unit might have failed because it was not deploying the probe.
I followed the tutorial from here and the unit is powered and senses aluminum if I get it close to the tip of it;
https://duet3d.dozuki.com/Wiki/Connecting_a_Z_probe#Section_Connecting_different_types_of_Z_probe
The tutorial starts discussing the BLtouch so I moved on to this tutorial for testing;
https://duet3d.dozuki.com/Wiki/Test_and_calibrate_the_Z_probe
which says to send the G30 command to begin the calibration. once I do that I am presented with the same web GUI to manually adjust the gap until it is just touching. What am I missing here?

; Configuration file for Duet WiFi (firmware version 3)
; executed by the firmware on start-up
;
; generated by RepRapFirmware Configuration Tool v2.1.5 on Sat Jan 11 2020 13:39:57 GMT-0800 (Pacific Standard Time)

; General preferences
G90 ; send absolute coordinates...
M83 ; ...but relative extruder moves
M550 P"3dPrinter" ; 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 ; Drive 0 goes REVERSE THIS IS X
M569 P1 S1 ; Drive 1 goes forwards THIS IS Y
M569 P2 S1 ; Drive 2 goes forwards THIS IS Z
M569 P3 S1 ; Drive 3 goes forwards THIS IS EXTRUDER
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 E466.00 ; set steps per mm
M566 X900.00 Y900.00 Z12.00 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 X1200 Y1200 Z1200 E1200 I30 ; set motor currents (mA) and motor idle factor in per cent
M84 S30

; Axis Limits
M208 X0 Y0 Z0 S1 ; set axis minima
M208 X230 Y230 Z250 S0 ; set axis maxima

; Endstops
;M574 X1 Y1 Z1 S1
M574 X1 S1 P"!xstop" ; configure active-low endstop for low end on X via pin xstop
M574 Y1 S1 P"!ystop" ; configure active-low endstop for low end on Y via pin ystop
M558 P5 I1 ; Inductive sensor z

; Z-Probe
;M307 H3 A-1 C-1 D-1 ; FOR BLTOUCH? no change to the probing
;M558 P9 H5 F100 T2000
;G31 X0 Y0 Z0 P25

; Heaters
M308 S0 P"bedtemp" Y"thermistor" T100000 B3950 ; 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
M143 H0 S120 ; set temperature limit for heater 0 to 120C
M307 H0 B0 S1.00 ; disable bang-bang mode for the bed heater and set PWM limit
M307 H0 A106.7 C796.4 D2.6 V24.3 B0 ; Parameters set after the M303 tuning for the bed
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
M143 H1 S280 ; set temperature limit for heater 1 to 280C
M307 H1 B0 S1.00 ; disable bang-bang mode for the nozzle heater and set PWM limit
M307 H1 A304.5 C107.3 D3.3 V24.2 B0 ; Parameters after nozzle tune

; Fans
M950 F0 C"fan0" Q500 ; create fan 0 on pin fan0 and set its frequency - commented out for gcode to control it
M106 P0 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 - hot end
M106 P1 S1 H1 T45 ; set fan 1 value. Thermostatic control is turned on

; Tools
M563 P0 D0 H1 F2 ; 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 S0 R0
;G10 P1 S0 R0
; Custom settings are not defined

Veti

@soreloser said in Z Endstop not used:

M558 P5 I1 ; Inductive sensor z

you have not defined which pin to be used. this is required in rrf3

soreloser

In my endstop section it is listed there as P5. In the 'connecting z probe' doc it says;
5 Digital probe connected to Z Probe input HIGH during probing, LOW at other times
This is how it is connected to the board

Veti

you might want to adjust that. because i believe in 3.01 it will not work anymore, as the default config is changed.

also you are missing the
G31
command

soreloser

ok,
I searched out what may be the 'new' way and input the below with no difference;

; Configuration file for Duet WiFi (firmware version 3)
; executed by the firmware on start-up
;
; generated by RepRapFirmware Configuration Tool v2.1.5 on Sat Jan 11 2020 13:39:57 GMT-0800 (Pacific Standard Time)

; General preferences
G90 ; send absolute coordinates...
M83 ; ...but relative extruder moves
M550 P"3dPrinter" ; 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 ; Drive 0 goes REVERSE THIS IS X
M569 P1 S1 ; Drive 1 goes forwards THIS IS Y
M569 P2 S1 ; Drive 2 goes forwards THIS IS Z
M569 P3 S1 ; Drive 3 goes forwards THIS IS EXTRUDER
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 E466.00 ; set steps per mm
M566 X900.00 Y900.00 Z12.00 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 X1200 Y1200 Z1200 E1200 I30 ; set motor currents (mA) and motor idle factor in per cent
M84 S30

; Axis Limits
M208 X0 Y0 Z0 S1 ; set axis minima
M208 X230 Y230 Z250 S0 ; set axis maxima

; Endstops
;M574 X1 Y1 Z1 S1
M574 X1 S1 P"!xstop" ; configure active-low endstop for low end on X via pin xstop
M574 Y1 S1 P"!ystop" ; configure active-low endstop for low end on Y via pin ystop
;M558 P5 I1 ; Inductive sensor z

; Z-Probe
M574 Z1 S2 ; Set endstops controlled by probe
M558 P5 H5 F600 ; Set Z probe type to unmodulated and the dive height + speeds
G31 P500 X-40 Y0 Z2 ; Set Z probe trigger value, offset and trigger height

; Heaters
M308 S0 P"bedtemp" Y"thermistor" T100000 B3950 ; 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
M143 H0 S120 ; set temperature limit for heater 0 to 120C
M307 H0 B0 S1.00 ; disable bang-bang mode for the bed heater and set PWM limit
M307 H0 A106.7 C796.4 D2.6 V24.3 B0 ; Parameters set after the M303 tuning for the bed
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
M143 H1 S280 ; set temperature limit for heater 1 to 280C
M307 H1 B0 S1.00 ; disable bang-bang mode for the nozzle heater and set PWM limit
M307 H1 A304.5 C107.3 D3.3 V24.2 B0 ; Parameters after nozzle tune

; Fans
M950 F0 C"fan0" Q500 ; create fan 0 on pin fan0 and set its frequency - commented out for gcode to control it
M106 P0 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 - hot end
M106 P1 S1 H1 T45 ; set fan 1 value. Thermostatic control is turned on

; Tools
M563 P0 D0 H1 F2 ; 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 S0 R0
;G10 P1 S0 R0
; Custom settings are not defined

droftarts

@soreloser said in Z Endstop not used:

; Z-Probe
M574 Z1 S2 ; Set endstops controlled by probe
M558 P5 H5 F600 ; Set Z probe type to unmodulated and the dive height + speeds
G31 P500 X-40 Y0 Z2 ; Set Z probe trigger value, offset and trigger height

Change first line to M574 Z0
From: https://duet3d.dozuki.com/Wiki/Gcode?revisionid=HEAD#Section_M574_RepRapFirmware_Num_3

The S2 option of M574 is intended for use only when axes other than Z are using the Z probe for homing. The only printers known that do this using Duet electronics are the RepRapPro Ormerod, Huxley Duo, and Mendel Tricolour machines. When using the Z probe to home Z, M574 Z0 should be used.

You're missing the probe input pin. Try:
; Z-Probe
M558 P5 C"zprobe.in" H5 F120 T6000 ; set Z probe type to switch and the dive height + speeds
G31 P500 X-40 Y0 Z2 ; set Z probe trigger value, offset and trigger height

Ian

soreloser

Awesome, forward momentum!
I no longer get the popup but the unit does not drop and returns with;
The following axis is not homed: Z
I will read more and continue. thank you for your help

droftarts

@soreloser You may have to change your Z homing script. To home Z with the probe, move to the XY position where you want the bed to home, and use G30: https://duet3d.dozuki.com/Wiki/Gcode?revisionid=HEAD#Section_G30_Single_Z_Probe

This from @dc42 :

The related thing that some users get wrong is using a G1 S1 move to home Z instead of a G30 move. This combination of these 2 mistakes [setting M574 Z1 S2] will allow Z homing after a fashion, but of course the Z height will get set to the M208 limit instead of the Z probe trigger height.

Ian

soreloser

I think i have it now and have setup a very good starting height that i now send a file to the printer and have confidence in a good first layer (all after reading the calibration doc). I plan to setup a probing mesh next and would like to thank you again for your help here. I did learn quite a bit.