Hello.
I have a large-format COREXY printer, and due to the large bed size, I thought I'd use two PT1000 thermostats to more accurately measure the average surface temperature.
I've tried a number of methods, but haven't found a solution. I get this error:
Error in start-up file macro line 78: Unknown sensor type name "mavg".
file config.g
; Configuration file for RepRapFirmware on Duet 3 Main Board 6HC
; executed by the firmware on start-up
;
; generated by RepRapFirmware Configuration Tool v3.5.8 on Thu Jan 09 2025 09:36:34 GMT-0800 (Pacific Standard Time)
; General
G90 ; absolute coordinates
M83 ; relative extruder moves
M550 P"Duet 3" ; set hostname
; Accessories
M575 P2 S0 B57600 ; configure PanelDue support
; Network
M552 P0.0.0.0 S1 ; configure Ethernet adapter
M586 P0 S1 ; configure HTTP
; Wait a moment for the CAN expansion boards to become available
G4 S2
; Accelerometers
M955 P121.0 I20 ; configure accelerometer on board #121
; Kinematics
M669 K1 ; configure CoreXY kinematics
M98 P"bed_average.g"
; Smart Drivers
M569 P0.0 S1 D2 ; driver 0.0 goes forwards (X axis)
M569 P0.1 S1 D2 ; driver 0.1 goes forwards (Y axis)
M569 P0.2 S1 D2 ; driver 0.2 goes forwards (Z axis)
M569 P0.3 S1 D2 ; driver 0.3 goes forwards (Z axis)
M569 P0.4 S1 D2 ; driver 0.4 goes forwards (Z axis)
M569 P0.5 S1 D2 ; driver 0.5 goes forwards (Z axis)
M569 P121.0 S1 D2 ; driver 121.0 goes forwards (extruder 0)
; Motor Idle Current Reduction
M906 I30 ; set motor current idle factor
M84 S30 ; set motor current idle timeout
; Axes
; Define positions of Z motors
M584 X0.0 Y0.1 Z0.2:0.3:0.4:0.5 ; map Z to drivers 0.2, 0.3, 0.4, 0.5
M350 X16 Y16 Z16 I1 ; configure microstepping with interpolation
M906 X2500 Y2500 Z2500 ; set axis driver currents
M92 X20 Y20 Z6400 ; configure steps per mm
M208 X0 Y0 Z0 S1 ; set minimum axis limits
M208 X1110 Y1110 Z2005 S0 ; set maximum axis limits
M566 X1200 Y1200 Z200 ; set maximum instantaneous speed changes (mm/min)
M203 X12000 Y12000 Z300 ; set maximum speeds (mm/min)
M201 X1500 Y1500 Z300 ; set accelerations (mm/s^2)
M557 X50:1060 Y50:1060 S60 ; define mesh grid for compensation
; Extruders
M584 E121.0 ; set extruder mapping
M350 E16 I1 ; configure microstepping with interpolation
M906 E800 I30; set extruder driver current
M92 E420 ; configure steps per mm
M566 E120 ; set maximum instantaneous speed changes (mm/min)
M203 E3600 ; set maximum speeds (mm/min)
M201 E250 ; set accelerations (mm/s^2)
; Probes
M558 K0 P9 C"^121.io0.in" H5 F120 T6000 A5 S0.02 ; configure BLTouch probe
G31 P500 X0 Y0 Z0.7 ; set Z probe trigger value, offset and trigger height
M950 S0 C"121.io0.out" ; create servo for BLtouch
; Endstops
M574 X1 P"121.io1.in" S1 ; configure X endstop
M574 Y1 P"io0.in" S1 ; configure Y endstop
M574 Z1 S2 ; configure Z endstop
; Sensors
M308 S1 P"121.temp0" Y"pt1000" A"Nozzle" ; configure nozzle sensor
M308 S2 P"temp0" Y"pt1000" A"Heated Bed1" ; configure bed sensor 1
M308 S3 P"temp1" Y"pt1000" A"Heated Bed2" ; configure bed sensor 2
M308 S4 Y"mavg" A"Average Bed Temp" S"1:2" ; حساب المتوسط بين الحساس S1 و S2
; Heaters
M950 H0 C"out1" T4 ; create heater 0 for bed
M140 H0 ; assign bed to heater 0
M143 H0 S140 ; configure heater monitor for heater 0
M307 H0 R2.43 D5.5 E1.35 K0.56 B1 ; configure heater model
M950 H1 C"121.out0" T1 ; create heater 1 for extruder
M143 H1 S285 ; configure heater monitor for heater 1
M307 H1 R2.43 D5.5 E1.35 K0.56 B0 ; configure heater model
; Fans
M950 F0 C"121.out1" ; create fan 0
M106 P0 C"Tool Fan" S0 B0.1 H1 T50 ; configure tool fan
M950 F1 C"121.out2" ; create fan 1
M106 P1 C"Part Fan" S0 L0 X1 B0.1 ; configure part fan
; Tools
M563 P0 S"Tool 0" D0 H1 F0 ; create tool 0
G10 P0 X0 Y0 Z0 ; set tool offsets
G10 P0 R0 S0 ; set tool temperatures
; Miscellaneous
T0 ; select tool 0
M591 D0 P1 C"121.io2.in" S1 ; custom setting
file calculate_average.g
var temp1 = sensors.analog[2].lastReading
var temp2 = sensors.analog[3].lastReading
var avgTemp = (var.temp1 + var.temp2) / 2
echo "Bed Temp Average:", var.avgTemp
M568 P0 S{var.avgTemp}
