Z endstop switch + Mini height sensor ir board
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Hello,
How to combine endstop switch and the mini heigth sensor board as low and high limits?
So far the homing performs well using the low z endstop as reference, but when I start the bed leveling the optical sensor is activate but the bed keeps rising - not triggering.
Board: Duet 2 WiFi (2WiFi)
Firmware: RepRapFirmware for Duet 2 WiFi/Ethernet 3.2.2 (2021-02-11)
Duet WiFi Server Version: 1.25config.g
; Drives
M569 P0 S1 ; physical drive 0 goes forwards
M569 P1 S1 ; physical drive 1 goes forwards
M569 P2 S0 ; physical drive 2 goes backwards
M569 P3 S0 ; 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 X5 Y5 Z5 S1 ; set axis minima
M208 X300 Y300 Z360 S0 ; set axis maxima; Endstops
M574 X2 S1 P"!xstop" ; configure active-high endstop for high end on X via pin !xstop
M574 Y2 S1 P"!ystop" ; configure active-high endstop for high 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 P2 C"zprobe.in+zprobe.mod" H5 F120 T6000 ; set Z probe type to unmodulated and the dive height + speeds (p2)
G31 P500 X20 Y20 Z1.0 ; set Z probe trigger value, offset and trigger height (era 500)
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 S1.0 ; disable bang-bang mode for heater and set PWM limit era B0
M143 H1 S280; 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 X5 Y5 Z10 ; set tool 0 axis offsets
G10 P0 R0 S0 ; set initial tool 0 active and standby temperatures to 0C; Custom settings are not defined
; Miscellaneous
M575 P1 S1 B57600 ; enable support for PanelDue
M501
homeall.g
G91 ; relative positioning
G1 H2 Z5 F6000 ; lift Z relative to current position
G1 H1 X295 Y295 F1800 ; move quickly to X or Y endstop and stop there (first pass)
G1 H1 X295 ; home X axis
G1 H1 Y295 ; home Y axis
G1 X5 Y5 F6000 ; go back a few mm
G1 H1 X295 F360 ; move slowly to X axis endstop once more (second pass)
G1 H1 Y295 ; then move slowly to Y axis endstop
G1 H1 Z335 F360 ; move Z down stopping at the endstop
G90 ; absolute positioning
G92 Z360 ; set Z position to axis minimum (you may want to adjust this); Uncomment the following lines to lift Z after probing
;G91 ; relative positioning
G1 Z5 F300 ; lift Z relative to current position
;G90 ; absolute positioningMany thanks,
Erick
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you should use G30 to home using a probe, not G1 H1 Z...
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Thanks.
Ok, but in this case the low endstop will stop work. Is ir right?
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@esobreiro typically you home with one or the other.
you could have in your homing routine to home the bed using G30 and then measure the distance to maximum endstop using G1 H3, that way if you ever lose power, you have a way of recovering and homing Z -
@jay_s_uk thank you!
Is it possible home with the endstop and leveling with the sensor?
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@esobreiro you probably can but its best to use the probe when performing levelling due to making sure you use the same Z reference point for everything. less headaches
