Yet another BLtouch cry for help haha. Duex5 Pwm1 Nothing…
Havoc340 last edited by
Hello! Here's my obligitory "New member who has a pressing issue" post!
I have fumbled through most of my firmware setup, however I just cannot get my BLtouch to do ANYTHING beyond the startup cycle. When I apply power, it does it's blinky check routine. I cannot get any response through the gcode terminal.
I am using the PWM1 servo plug on my Duex5. I have the H2 disabled, and everything references H2 for signal. I have tried value and H3 as well. At one time I tried PWM2, but I'm unsure if I had any other settings correct. My wiring will not allow me to reach any other servo ports.
I've read as much as I can bear to. Here's what I've done.
Cut the LOGIC trace on my AUTHENTIC Smart BLtouch
Verified the wiring is correct (multiple times).
Verified I have no broken wires
Checked voltage at the sensor is 5v (4.92 actually)
I have set up deployprobe and retractprobe, both without inversion
I think there is something I'm blatantly missing.
Here's my config…
; Configuration file for Duet WiFi (firmware version 1.20 or newer)
; executed by the firmware on start-up
; generated by RepRapFirmware Configuration Tool on Wed Mar 28 2018 10:37:18 GMT-0400 (Eastern Daylight Time)
; General preferences
G90 ; Send absolute coordinates…
M83 ; ...but relative extruder moves
M555 P1 ; Set firmware compatibility to look like RepRapFirmare
M667 S1 ; Select CoreXY mode
M564 H0 ; shut off homing
M550 PX5s ; Set machine name
M552 S1 ; Enable network
;*** Access point is configured manually via M587
M586 P0 S1 ; Enable HTTP
M586 P1 S0 ; Disable FTP
M586 P2 S0 ; Disable Telnet
M569 P0 S1 ; Drive 0 X goes forwards
M569 P1 S1 ; Drive 1 Y goes forwards
M569 P2 S0 ; Drive 2 Z and W goes Backwards
M569 P3 S0 ; Drive 3 E0 goes Backwards
M569 P7 S0 ; Drive 7 goes Backwards
M569 P6 S0 ; Drive 6 goes Backwards
M915 P0:1:2:6:7 S2 R0 F0 ; set Selected drives to enable stall detection sensitivity 2, do nothing when stall, unfiltered
M584 X0 Y1 Z7:6:2 U7 V6 W2 P6 E3 ; three Z motors connected to driver outputs 2 becomes left screw, 6 becomes Rear screw and 7 becomes Right screw. P is how many show up on webpage
M350 X16 Y16 Z16 E16 U16 V16 W16 I1 ; Configure microstepping with interpolation
M92 X80 Y80 Z400 U400 V400 W400 E527 ; Set steps per mm
M566 X300 Y300 Z12 U300 V300 W300 E120 ; Set maximum instantaneous speed changes (mm/min)
M203 X102000 Y102000 Z5000 E4000 U10200 V10200 W10200 ; Set maximum speeds (mm/min)
M201 X1000 Y1000 Z250 E250 U1000 V1000 W1000 ; Set accelerations (mm/s^2)
M906 X1300 Y1300 Z800 E800 U1000 V1000 W1000 I30 ; Set motor currents (mA) and motor idle factor in per cent
M84 S30 ; Set idle timeout
; Axis Limits
M208 X0 Y0 Z0 U0 V0 W0 S1 ; Set axis minima
M208 X380 Y370 Z390 U410 V410 W410 S0 ; Set axis maxima (Each Z screw (U V A) has more max travel than the Z to allow room for sensorless homing)
M574 X3 Y3 U3 V3 W3 S3 ; Set endstops controlled by motor load detection
M574 Z2 ; Set Z endstop
M574 Z2 S2 ; Set endstops controlled by probe
M558 P9 X0 Y0 Z1 H2 F100 T2000 ; Set Z Probe to type Switch or Digital output where Z probe connector is used. Used for z only.
G31 P50 X-30 Y0 Z1.5 ; Set Z probe trigger value, offset and trigger height
M557 X15:365 Y15:335 S20 ; Define mesh grid
M301 H0 S1.00 P10 I0.1 D200 T0.4 W180 B30 ; Use PID on bed heater (may require further tuning)
M305 P0 T100000 B4138 C0 R4700 ; Set thermistor + ADC parameters for heater 0
M143 H0 S120 ; Set temperature limit for heater 0 to 120C
M305 P1 T100000 B4138 C0 R4700 ; Set thermistor + ADC parameters for heater 1
M143 H1 S300 ; Set temperature limit for heater 1 to 300C
M307 H2 A-1 C-1 D-1 ; Disable Heater2 for BLTouch
M106 P0 S1 I0 F500 H-1 ; Set fan 0 value, PWM signal inversion and frequency. Thermostatic control is turned off
M106 P1 S1 I0 F200 H1 ; Set fan 1 value, PWM signal inversion and frequency. Thermostatic control is turned on
M106 P2 S1 I0 F800 H1 T30 ; Set fan 2 value, PWM signal inversion and frequency. Thermostatic control is turned on
M563 P0 D0 H1 ; 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
; Automatic power saving
M911 S10 R11 P"M913 X0 Y0 G91 M83 G1 Z3 E-5 F1000" ; Set voltage thresholds and actions to run on power loss
; Custom settings are not configured
Many thanks to anyone who offers their time to help me out!
Havoc340 last edited by
OMG. Sometimes going to lunch and having a beer fixes all of the problems.
I just realized that all of the pictures i've been looking at, the board is in the oppisite orientation. I had my wiring backwards. It was backwards every time I checked it.
Goes to show you that sometimes you just need to retrace all of your steps, sometimes with fresh eyes.
Phaedrux last edited by
You're not alone. I've had to hold a print out if the wiring diagram up to the board a couple times to get my head around which pin is which.