Mini5 to 1LC to smart effector wiring and control

[opentoideas]

well it looks like the Duet continues to be smarter than me!

I have been trying to define the hotend thermometer in my config.g without any luck however having a look in the object model tab the duet can see and correctly read the connected thermometer.

Selected node: sensors.analog[0].lastReading is providing the thermostat and I have confirmed its correct how do I assign this as the hotend?

ohh ok looks like the config tool makes life much simpler lol

[A Former User]

This post is deleted!

[opentoideas]

@arnold_r_clark thank you, forgot the probe was a PT1000 thats working now....

Touch probe is my next hiccup

; Z-Probe
M558 P8 R0.4 C"20.io0.in+20.io0.out" H5 F1200 T6000 ; set Z probe type to effector and the dive height + speeds
G31 P100 X0 Y0 Z-0.1                                    ; set Z probe trigger value, offset and trigger height
M557 R85 S20                                          ; define mesh grid

working through the commissioning on the dozuki and at the part where a G31 should return a zero value however I get "invalid Z probe index"

@jay_s_uk any thoughts?

This is the last problem now as everything else is tested and working

[A Former User]

This post is deleted!

[opentoideas]

@arnold_r_clark

well I was working from the instructions and config tool and both used the control and mod pins - found a post from DC42 referencing the need for the second pin if you wanted to adjust sensitivity but should work without it.

either way changing my M558 to only reference 20.io0.in still gives the same error though it does add "z probe" to the dasboard but not responding

I have had plenty of head crashes in the past so when it comes to the Z probe I make sure it works before commanding any movement.

the only references I have found to index is with multiple probes and there is an optional K parameter to M558 but tried adding K1 with no change.

without any references to what this error means I am struggling

[jay_s_uk]

@opentoideas your M558 line should be this
M558 P8 R0.4 C"20.io0.in+io0.out" H5 F1200 T6000 note the removal of the 20. in the middle.
Can you post your full config and the actual wording on the error?

[opentoideas]

@jay_s_uk @Arnold_R_Clark

must have been syntax as I thought mine and Arnold were the same but a copy and paste and it now works - not sure where the difference was but its running.

Jay I tried your M558 back to the error :

Error: G31: Invalid Z probe index

flip side without the second pin reference when I try to reduce the sensitivity....

M672 S105:020:235
Error: M672: Programming remote Z probes not supported

so with a single pin reference it works but the contact is far to hard and I seem unable to reduce the sensitivity

full config.g :

; Configuration file for Duet 3 Mini 5+ (firmware version 3.3)
; executed by the firmware on start-up
;
; generated by RepRapFirmware Configuration Tool v3.3.10 on Sun Nov 28 2021 15:18:17 GMT+0000 (Greenwich Mean Time)

; General preferences
G90                                                   ; send absolute coordinates...
M83                                                   ; ...but relative extruder moves
M550 P"Predator"                                      ; set printer name
M665 R227 L440 B185 H450                            ; 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

; Wait a moment for the CAN expansion boards to start
G4 S2

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

; Drives
M569 P0.0 S0                                          ; physical drive 0.0 goes backwards
M569 P0.1 S0                                          ; physical drive 0.1 goes backwards
M569 P0.2 S0                                          ; physical drive 0.2 goes backwards
M569 P20.0 S0                                        ; physical drive 20.0 goes backwards
M569 P0.4 S1                                          ; physical drive 0.4 goes forwards
M584 X0.0 Y0.1 Z0.2 E20.0:0.4                        ; set drive mapping
M350 X16 Y16 Z16 E16:16 I1                            ; configure microstepping with interpolation
M92 X80.00 Y80.00 Z80.00 E436.54:663.00               ; set steps per mm
M566 X1200.00 Y1200.00 Z1200.00 E1200.00:1200.00      ; set maximum instantaneous speed changes (mm/min)
M203 X18000.00 Y18000.00 Z18000.00 E1200.00:1200.00   ; set maximum speeds (mm/min)
M201 X1000.00 Y1000.00 Z1000.00 E1000.00:1000.00      ; set accelerations (mm/s^2)
M906 X1000 Y1000 Z1000 E800:800 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 S1 P"io0.in"                                  ; configure switch-type (e.g. microswitch) endstop for high end on X via pin io0.in
M574 Y2 S1 P"io1.in"                                  ; configure switch-type (e.g. microswitch) endstop for high end on Y via pin io1.in
M574 Z2 S1 P"io2.in"                                  ; configure switch-type (e.g. microswitch) endstop for high end on Z via pin io2.in
M591 P2 C"20.io1.in" S1 D0.3 							; filament monitor active-low connected to pin 20.io1.in

; Z-Probe
M558 P8 R0.4 C"20.io0.in+io0.out" H5 F1200 T6000              ; Z probe type, set to unmodulated & dive height/speeds
G31 P100 X0 Y0 Z-0.254                                 ; Z probe trigger value, offset & trigger height
M557 R85 S20                                           ; Mesh grid

; Heaters
M308 S0 P"temp0" Y"thermistor" T100000 B4138          ; configure sensor 0 as thermistor on pin temp0
M950 H0 C"out0" T0                                    ; create bed heater output on out0 and map it to sensor 0
M307 H0 B0 S1.00                                      ; disable 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"20.temp0" Y"pt1000"      ; configure sensor 1 as thermistor on pin 20.temp0
M950 H1 C"20.out0" T1                                    ; create nozzle heater output on out0 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
M308 S2 P"temp2" Y"thermistor" T100000 B4138          ; configure sensor 2 as thermistor on pin temp2
M950 H2 C"out2" T2                                    ; create nozzle heater output on out2 and map it to sensor 2
M307 H2 B0 S1.00                                      ; disable bang-bang mode for heater  and set PWM limit
M143 H2 S280                                          ; set temperature limit for heater 2 to 280C

; Fans
M950 F0 C"20.out2" Q500                              ; create fan 0 on pin 121.out1 and set its frequency
M106 P0 S1 H1 T45                                     ; set fan 0 value. Thermostatic control is turned on
M950 F1 C"20.out1" Q500                              ; create fan 1 on pin 121.out2 and set its frequency
M106 P1 S1 H-1                                        ; set fan 1 value. Thermostatic control is turned off
M950 F2 C"out5" Q500                                  ; create fan 2 on pin out5 and set its frequency
M106 P2 S1 H-1                                        ; set fan 2 value. Thermostatic control is turned off
M950 F3 C"out6" Q500                                  ; create fan 3 on pin out6 and set its frequency
M106 P3 S1 H2 T30                                     ; set fan 3 value. Thermostatic control is turned on

; Tools
M563 P0 D0 H1 F0:1                                    ; 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 H2 F3:2                                    ; 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

; Custom settings are not defined

[jay_s_uk]

@opentoideas my guess is that theres something strange when using the toolboard to connect to the smart effector.
I don't see why it wouldn't work.
Maybe @dc42 can comment?

[opentoideas]

@jay_s_uk yes I suspect the same. It looks like the sensitivity isn't lost on power off so worst case I will just have to make up a lead to directly connect the effector to the mini5 to adjust it.

at the moment it takes a huge force to trigger so unless I have done something wrong in assembly then it needs to be a lot more sensitive.

[opentoideas]

Its also possible my fan shroud is providing too much contact and support to the hotend heatsink. I am thinking this could dramaticly reduce sensitivity.

Tomorrow's job then will be to strip it down and fettle the fan mounting around the heatsink so its close but not touching. See if that helps.

[dc42]

@opentoideas programming the sensitivity of the Smart Effector from a tool board is not supported yet.

[opentoideas]

@dc42 thank you, I will modify the fan shroud first and only adjust the sensitivity as a last resort.

[opentoideas]

so I modified the mount to give clearance but it didnt make a huge difference.

reduced the sensitivity to 25 and that seems to have done the trick. everything now working so I have another question relating specifically to a delta....

@jay_s_uk since the tower endstops are at the top how does homing the towers relate to probing the bed?

what I mean is that in gonfig.g I define the height of the print area and when the homing command is run all towers move to the top and Z is set to the height given in the config.g

does this overwrite the Z=0 that was determined by probe results?

my normal routine on powering on the printer would be home all, delta calibration followed by mesh levelling then a home all to put the carriage to the top but wont that negate the probed height?

I am thinking that rather than a home all at the end I should just use a move command to move the carriage up and centre it?

definitely heading into the over thinking it category now but I am new to deltas and some things are not intuitive.

[jay_s_uk]

@opentoideas once you run G32, a new overall height is calculated and can be seen in M665.
That can then be saved using M500 so it appears in config-override.g and reloaded at the end of your config using M501

[opentoideas]

@jay_s_uk ahh the missing link. Thank you so much. I thought I must be missing something.

Running a few cycles of levelling to check consistency and probing trigger point then I will get the first print going and see how it goes.

Thanks again for your patience and help

[jay_s_uk]

@opentoideas good luck!

[dc42]

@opentoideas said in Mini5 to 1LC to smart effector wiring and control:

what I mean is that in config.g I define the height of the print area and when the homing command is run all towers move to the top and Z is set to the height given in the config.g
does this overwrite the Z=0 that was determined by probe results?

Yes.

my normal routine on powering on the printer would be home all, delta calibration followed by mesh levelling then a home all to put the carriage to the top but wont that negate the probed height?

Yes. That's why I recommend that on a delta, after homing and before printing you run G32, and then don't home again. You can also run G29 after G32 if you want to.

[opentoideas]

@dc42 @jay_s_uk so I have added a M500 to the end of bed.g

my thinking is that now having homed and levelled the settings are now stored and a home all command will now accurately home based on the probed height?

just running a final mesh with everything hot to see if there is much variation from cold and soon printing again

[jay_s_uk]

@opentoideas heres my bed routine

; Auto calibration routine for large delta printer
M561                    ; clear any bed transform
M190 S60
M568 P0 S200
M116 P0
if heat.heaters[1].current > 175
; If the printer hasn't been homed, home it
   if !move.axes[0].homed || !move.axes[1].homed || !move.axes[2].homed
      G28
; Probe the bed and do auto calibration
   G1 X0 Y0 Z5
   G30
   G1 X0 Y80 Z10 F10000        ; go to just above the first probe point
   while true
      if iterations = 5
         abort "too many auto calibration attempts"
      G30 P0 X0.00 Y80.00 Z-99999
      if result != 0
         continue
      G30 P1 X51.42 Y61.28 Z-99999
      if result != 0
         continue
      G30 P2 X78.78 Y13.89 Z-99999
      if result != 0
         continue
      G30 P3 X69.28 Y-40.00 Z-99999
      if result != 0
         continue
      G30 P4 X27.36 Y-75.18 Z-99999
      if result != 0
         continue
      G30 P5 X-27.36 Y-75.18 Z-99999
      if result != 0
         continue
      G30 P6 X-69.28 Y-40.00 Z-99999
      if result != 0
         continue
      G30 P7 X-78.78 Y13.89 Z-99999
      if result != 0
         continue
      G30 P8 X-51.42 Y61.28 Z-99999
      if result != 0
         continue
      G30 P9 X0.00 Y40.00 Z-99999
      if result != 0
         continue
      G30 P10 X34.64 Y20.00 Z-99999
      if result != 0
         continue
      G30 P11 X34.64 Y-20.00 Z-99999
      if result != 0
         continue
      G30 P12 X0.00 Y-40.00 Z-99999
      if result != 0
         continue
      G30 P13 X-34.64 Y-20.00 Z-99999
      if result != 0
         continue
      G30 P14 X-34.64 Y20.00 Z-99999
      if result != 0
         continue
      G30 P15 X0 Y0 Z-99999 S6
      if result != 0
         continue
      if move.calibration.final.deviation <= 0.02
         break
      echo "Repeating calibration because deviation is too high (" ^ move.calibration.final.deviation ^ "mm)"
; end loop
   echo "Auto calibration successful, deviation", move.calibration.final.deviation ^ "mm"
   G1 X0 Y0 Z5 F10000                ; get the head out of the way
   G30
   G1 X0 Y0 Z25

i heat it up, run a G30, G32 and then G30 again.
Then the heightmap can be loaded and the print started

[opentoideas]

@jay_s_uk interesting. Gave it a go and had to increace the tollerance to 0.03 as my average was 0.025 to 0.032

spoke too soon..... now holding closer to 0.1

I suspect that this is telling me I need to improve the mechanical accuracy of the machine and unless the tramming of the legs has been bumped out I suspect that my printed adapter for the arms is the most likely culprit.

• arm spacing looks bad so tomorrow will try to sort that out with shims as they are all under.

This will be solved soon once the linear rails arrive and I can swap to the magball mounts on the smart effector but its something to fettle while I wait