This is how you set it for Repetier Firmware:
Open up the Machine Control Panel, connect to the Printer and then go to the communication tab. Type this command:
M205
You should see it spit back the EEPROM values:
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RECEIVED: EPR:2 75 250000 Baudrate
RECEIVED: EPR:3 129 795.456 Filament printed [m]
RECEIVED: EPR:2 125 350505 Printer active [s]
RECEIVED: EPR:2 79 1800000 Max. inactive time [ms,0=off]
RECEIVED: EPR:2 83 0 Stop stepper after inactivity [ms,0=off]
RECEIVED: EPR:3 11 80.0000 Steps per mm
RECEIVED: EPR:3 23 300.000 Max. feedrate [mm/s]
RECEIVED: EPR:3 35 80.000 Homing feedrate [mm/s]
RECEIVED: EPR:3 39 35.000 Max. jerk [mm/s]
RECEIVED: EPR:3 133 0.000 X home pos [mm]
RECEIVED: EPR:3 137 0.000 Y home pos [mm]
RECEIVED: EPR:3 141 0.000 Z home pos [mm]
RECEIVED: EPR:3 145 250.000 X max length [mm]
RECEIVED: EPR:3 149 250.000 Y max length [mm]
RECEIVED: EPR:3 153 235.513 Z max length [mm]
RECEIVED: EPR:3 59 1850.000 Acceleration [mm/s^2]
RECEIVED: EPR:3 71 3000.000 Travel acceleration [mm/s^2]
RECEIVED: EPR:3 881 178.000 Diagonal rod length [mm]
RECEIVED: EPR:3 885 74.300 Horizontal radius [mm]
RECEIVED: EPR:1 891 80 Segments/s for travel
RECEIVED: EPR:1 889 225 Segments/s for printing
RECEIVED: EPR:1 893 0 Tower X endstop offset [steps]
RECEIVED: EPR:1 895 0 Tower Y endstop offset [steps]
RECEIVED: EPR:1 897 0 Tower Z endstop offset [steps]
RECEIVED: EPR:3 901 210.000 Alpha A(210):
RECEIVED: EPR:3 905 330.000 Alpha B(330):
RECEIVED: EPR:3 909 90.000 Alpha C(90):
RECEIVED: EPR:3 913 0.000 Delta Radius A(0):
RECEIVED: EPR:3 917 0.000 Delta Radius B(0):
RECEIVED: EPR:3 921 0.000 Delta Radius C(0):
RECEIVED: EPR:3 808 39.910 Z-probe height
RECEIVED: EPR:3 812 2.000 Z-probe speed
RECEIVED: EPR:3 840 150.000 Z-probe x-y-speed
RECEIVED: EPR:3 800 0.000 Z-probe offset x
RECEIVED: EPR:3 804 0.000 Z-probe offset y
RECEIVED: EPR:3 816 100.000 Z-probe X1
RECEIVED: EPR:3 820 20.000 Z-probe Y1
RECEIVED: EPR:3 824 160.000 Z-probe X2
RECEIVED: EPR:3 828 170.000 Z-probe Y2
RECEIVED: EPR:3 832 20.000 Z-probe X3
RECEIVED: EPR:3 836 170.000 Z-probe Y3
RECEIVED: EPR:0 880 0 Autolevel active (1/0)
RECEIVED: EPR:0 106 1 Bed Heat Manager [0-3]
RECEIVED: EPR:0 107 255 Bed PID drive max
RECEIVED: EPR:0 124 80 Bed PID drive min
RECEIVED: EPR:3 108 87.860 Bed PID P-gain
RECEIVED: EPR:3 112 3.010 Bed PID I-gain
RECEIVED: EPR:3 116 641.820 Bed PID D-gain
RECEIVED: EPR:0 120 255 Bed PID max value [0-255]
RECEIVED: EPR:3 200 92.400 Extr.1 steps per mm
RECEIVED: EPR:3 204 100.000 Extr.1 max. feedrate [mm/s]
RECEIVED: EPR:3 208 45.000 Extr.1 start feedrate [mm/s]
RECEIVED: EPR:3 212 6500.000 Extr.1 acceleration [mm/s^2]
RECEIVED: EPR:0 216 1 Extr.1 heat manager [0-3]
RECEIVED: EPR:0 217 205 Extr.1 PID drive max
RECEIVED: EPR:0 245 60 Extr.1 PID drive min
RECEIVED: EPR:3 218 31.3600 Extr.1 PID P-gain/dead-time
RECEIVED: EPR:3 222 2.1800 Extr.1 PID I-gain
RECEIVED: EPR:3 226 112.9000 Extr.1 PID D-gain
RECEIVED: EPR:0 230 255 Extr.1 PID max value [0-255]
RECEIVED: EPR:2 231 0 Extr.1 X-offset [steps]
RECEIVED: EPR:2 235 0 Extr.1 Y-offset [steps]
RECEIVED: EPR:1 239 3 Extr.1 temp. stabilize time [s]
RECEIVED: EPR:1 250 150 Extr.1 temp. for retraction when heating [C]
RECEIVED: EPR:1 252 0 Extr.1 distance to retract when heating [mm]
RECEIVED: EPR:0 254 255 Extr.1 extruder cooler speed [0-255]
RECEIVED: EPR:3 246 0.000 Extr.1 advance L [0=off]
(this is for my delta printer)
For me the line I care about for Z Max Length is:
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RECEIVED: EPR:3 153 234.513 Z max length [mm]
This is the syntax of how it's set up:
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EPR:_data_type position value description_
For me, data type is 3, position is 153 and value is 234.513
To change any of the EEPROM values, the proper command and syntax is:
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M206 T<data_type> P<position> X<new_value> for data_type 3 (float)
so to change my Z-Max Length from 234.513 to say, 201.123, I would do the command:
M206 T3 P153 X201.123
After this, you can re-send the
M205
command to verify it has been changed to your new value. Read more information about this from the repetier firmware github eeprom page:
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https://github.com/repetier/Repetier-Host/wiki/EEPROM-settings