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Need help with stopend switch.

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Duet Hardware and wiring
need help with stopend switch
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  • undefined
    chris4
    last edited by 16 Feb 2020, 19:02

    Have followed this, do you know rotation on x y z stepper motor, maybe also my problem with switch.

    https://duet3d.dozuki.com/Wiki/Connecting_endstop_switches#3.3V-compatible_optical_endstop

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    • ?
      A Former User @SIam
      last edited by 16 Feb 2020, 19:49

      @SIam said in Need help with stopend switch.:

      NC normaly means not conneted you have to use NO & C

      on a switch NC is normally normally closed, and its preferred for limit switches as it would prevent movement if the wire breaks.

      1 Reply Last reply Reply Quote 0
      • ?
        A Former User @chris4
        last edited by 16 Feb 2020, 19:50

        @chris4 said in Need help with stopend switch.:

        can any of you help me with that.

        maybe post a picture of switch and duet connection?

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        • undefined
          chris4
          last edited by 16 Feb 2020, 21:45

          some pictures , where it appears that the endstop LED is on, but Z Y X is not in the home position, if I press each switch, the endstop LED is off on duet2wifi.
          Should it be so?
          home position OFF, not home location ON!
          duet2wifi1).jpg duet2wifi(3).jpg duet2wifi(2).jpg duet2wifi (4).jpg

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          • undefined
            chris4
            last edited by 17 Feb 2020, 09:49

            And the config.g

            code_text
            ; Configuration file for Duet WiFi (firmware version 2.03)
            ; executed by the firmware on start-up
            ;
            ; generated by RepRapFirmware Configuration Tool v2.1.8 on Mon Feb 17 2020 10:46:54 GMT+0100 (centraleuropeisk normaltid)

            ; General preferences
            G90 ; send absolute coordinates...
            M83 ; ...but relative extruder moves
            M550 P"Anet A8" ; 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 S1 ; physical drive 0 goes forwards
            M569 P1 S1 ; physical drive 1 goes forwards
            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 X100.00 Y100.00 Z400.00 E100.00 ; set steps per mm
            M566 X600.00 Y600.00 Z18.00 E300.00 ; set maximum instantaneous speed changes (mm/min)
            M203 X6000.00 Y6000.00 Z180.00 E6000.00 ; set maximum speeds (mm/min)
            M201 X1500.00 Y1500.00 Z100.00 E10000.00 ; set accelerations (mm/s^2)
            M906 X500 Y500 Z500 E800 I30 ; set motor currents (mA) and motor idle factor in per cent
            M84 S30 ; Set idle timeout

            ; Axis Limits
            M208 X-33 Y-10 Z0 S1 ; set axis minima
            M208 X220 Y220 Z240 S0 ; set axis maxima

            ; Endstops
            M574 X1 Y1 Z1 S0 ; set active low and disabled endstops

            ; Z-Probe
            M558 P0 H5 F120 T6000 ; disable Z probe but set dive height, probe speed and travel speed
            M557 X20:200 Y20:200 S40 ; define mesh grid

            ; Heaters
            M307 H0 B0 S1.00 ; disable bang-bang mode for the bed heater and set PWM limit
            M305 P0 T100000 B4725 C7.060000e-8 R4700 ; set thermistor + ADC parameters for heater 0
            M143 H0 S130 ; set temperature limit for heater 0 to 130C
            M305 P1 T100000 B4725 C7.060000e-8 R4700 ; set thermistor + ADC parameters for heater 1
            M143 H1 S275 ; set temperature limit for heater 1 to 275C

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

            ; Miscellaneous
            T0 ; select first tool

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            • undefined
              chris4
              last edited by 17 Feb 2020, 09:58

              Homeall:

              ; homeall.g
              ; called to home all axes
              ;
              ; generated by RepRapFirmware Configuration Tool v2.1.8 on Mon Feb 17 2020 10:52:04 GMT+0100 (centraleuropeisk normaltid)
              G91 ; relative positioning
              G1 H2 Z5 F6000 ; lift Z relative to current position
              G1 H1 X-258 Y-235 F1800 ; move quickly to X and Y axis endstops and stop there (first pass)
              G1 H2 X5 Y5 F6000 ; go back a few mm
              G1 H1 X-258 Y-235 F360 ; move slowly to X and Y axis endstops once more (second pass)
              G1 H1 Z-245 F360 ; move Z down stopping at the endstop
              G90 ; absolute positioning
              G92 Z0 ; 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 F100 ; lift Z relative to current position
              ;G90 ; absolute positioning
              1 Reply Last reply Reply Quote 0
              • undefined
                chris4
                last edited by 17 Feb 2020, 10:03

                ; homex.g
                ; called to home the X axis
                ;
                ; generated by RepRapFirmware Configuration Tool v2.1.8 on Mon Feb 17 2020 10:55:31 GMT+0100 (centraleuropeisk normaltid)
                G91 ; relative positioning
                G1 H2 Z5 F6000 ; lift Z relative to current position
                G1 H1 X-258 F1800 ; move quickly to X axis endstop and stop there (first pass)
                G1 H2 X5 F6000 ; go back a few mm
                G1 H1 X-258 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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                • undefined
                  chris4
                  last edited by 17 Feb 2020, 10:08

                  ; homey.g
                  ; called to home the Y axis
                  ;
                  ; generated by RepRapFirmware Configuration Tool v2.1.8 on Mon Feb 17 2020 10:50:45 GMT+0100 (centraleuropeisk normaltid)
                  G91 ; relative positioning
                  G1 H2 Z5 F6000 ; lift Z relative to current position
                  G1 H1 Y-235 F1800 ; move quickly to Y axis endstop and stop there (first pass)
                  G1 H2 Y5 F6000 ; go back a few mm
                  G1 H1 Y-235 F360 ; move slowly to Y axis endstop once more (second pass)
                  G1 H2 Z-5 F6000 ; lower Z again
                  G90 ; absolute positioning
                  1 Reply Last reply Reply Quote 0
                  • undefined
                    chris4
                    last edited by 17 Feb 2020, 10:09

                    ; homez.g
                    ; called to home the Z axis
                    ;
                    ; generated by RepRapFirmware Configuration Tool v2.1.8 on Mon Feb 17 2020 11:09:06 GMT+0100 (centraleuropeisk normaltid)
                    G91 ; relative positioning
                    G1 H2 Z5 F6000 ; lift Z relative to current position
                    G1 H1 Z-245 F1800 ; move Z down until the endstop is triggered
                    G92 Z0 ; 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 F100 ; lift Z relative to current position
                    ;G90 ; absolute positioning
                    1 Reply Last reply Reply Quote 0
                    • undefined
                      dc42 administrators
                      last edited by 17 Feb 2020, 15:52

                      I suggest you start by testing the endstop switch and wiring. See https://duet3d.dozuki.com/Wiki/Connecting_endstop_switches#Section_Test_endstop_switches.

                      Duet WiFi hardware designer and firmware engineer
                      Please do not ask me for Duet support via PM or email, use the forum
                      http://www.escher3d.com, https://miscsolutions.wordpress.com

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                      • undefined
                        chris4
                        last edited by chris4 21 Feb 2020, 13:49

                        Have fixed now, by changing the switch to NO and working now.
                        Thanks for the help.

                        But one more question, how can change the speed of Z axis on the way to endstop (low switch) to a slow speed last cm to endstop. The same speed, as on the x and y axis. I have this config.g

                        ; Configuration file for Duet WiFi (firmware version 2.03)
                        ; executed by the firmware on start-up
                        ;
                        ; generated by RepRapFirmware Configuration Tool v2.1.8 on Thu Feb 20 2020 13:12:07 GMT+0100 (centraleuropeisk normaltid)
                        ; 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 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 X160.00 Y160.00 Z2560.00 E873.08 ; 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 X400.00 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 X-33 Y-10 Z0 S1 ; set axis minima
                        M208 X230 Y230 Z240 S0 ; set axis maxima
                        ; Endstops
                        M574 X1 Y1 Z1 S0 ; set active high endstops
                        ; Z-Probe
                        M558 P0 H5 F120 T6000 ; disable Z probe but set dive height, probe speed and travel speed
                        M557 X-18:215 Y5:195 S20 ; define mesh grid
                        ; Heaters
                        M305 P0 T100000 B4138 R4700 ; set thermistor + ADC parameters for heater 0
                        M143 H0 S120 ; set temperature limit for heater 0 to 120C
                        M305 P1 T100000 B4138 R4700 ; set thermistor + ADC parameters for heater 1
                        M143 H1 S280 ; set temperature limit for heater 1 to 280C
                        ; Fans
                        M106 P0 S0 I0 F500 H-1 ; set fan 0 value, PWM signal inversion and frequency. Thermostatic control is turned off
                        M106 P1 S1 I0 F500 H1 T45 ; set fan 1 value, PWM signal inversion and frequency. 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
                        T0
                        ; Custom settings are not defined

                        and the homez.g

                        homez.g
                        ; called to home the Z axis
                        ;
                        ; generated by RepRapFirmware Configuration Tool v2.1.8 on Fri Feb 21 2020 13:36:08 GMT+0100 (centraleuropeisk normaltid)
                        G91 ; relative positioning
                        G1 H2 Z5 F6000 ; lift Z relative to current position
                        G1 H1 Z-245 F1800 ; move Z down until the endstop is triggered
                        G92 Z0 ; 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 F100 ; lift Z relative to current position
                        ;G90 ; absolute positioning

                        Thanks Christian

                        undefined 1 Reply Last reply 21 Feb 2020, 20:55 Reply Quote 0
                        • undefined
                          Phaedrux Moderator @chris4
                          last edited by 21 Feb 2020, 20:55

                          @chris4 said in Need help with stopend switch.:

                          how can change the speed of Z axis on the way to endstop (low switch) to a slow speed last cm to endstop.

                          It's not possible to slow down before the endstop, because it doesn't know where the endstop is before being homed. Typically homing would be done in two passes. A fast movement to the endstop, followed by a short movement back, and then a slower movement towards the endstop again for better accuracy.

                          Z-Bot CoreXY Build | Thingiverse Profile

                          1 Reply Last reply Reply Quote 1
                          • undefined
                            chris4
                            last edited by 22 Feb 2020, 00:42

                            @Phaedrux said in Need help with stopend switch.:

                            It's not possible to slow down before the endstop, because it doesn't know where the endstop is before being homed. Typically homing would be done in two passes. A fast movement to the endstop, followed by a short movement back, and then a slower movement towards the endstop again for better accuracy.

                            Thanks.

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