We will be using the 'Send code.' box to complete the PID tune.įrom Reprap Firmware 3.2 onwards, a new heater tuning algorithm was introduced. It is best practise to PID tune your heater after altering heater and thermistor firmware values or it may result in a heater fault.Ĭlick on 'console' in the menu on the left of the duet interface. Remember to restart your printer for your new values to come into effect.Īt this point it is a good idea to complete a PID tune so that we can heat up the extruder and check the motor direction is correct. Update your maximum temperature by going to the heaters tab and ensuring the option is set to: 300 Make sure you change the temperature limit of your HotEnd and not your heated bed. Locate the Heaters section and ensure the temperature limit is set to 300 degrees. You need to add the following into your existing M308 command: T100000 B4725 C7.060000e-8Ĭlick on the Calculate Thermistor Coefficients button in the Heaters section, and select: Semitec 104-GT2 (used by E3D)įrom the drop-down menu. To check what version of firmware you are using, go to Settings > General in the left hand menu of the Duet Web Interface.įor firmware versions 1.16 and earlier, replace the existing M305 command in the config.g file with: M305 P1 B4388įor firmware versions 1.17 and later but lower than 3.0, replace it with the following command instead: M305 P1 B4725 C7.060000e-8įor firmware versions 3.0 and later, it is slightly more complex: If you are upgrading from a Hemera fitted with V6, you can move straight on to PID tuning. The values in this guide are the same as for V6 Hemera with a standard thermistor and heater cartridge. You should only need to use the configuration tool if you do not have a working firmware of your own. You can simply edit your existing firmware or you can use the online configuration tool to create a new version. We need to make sure the following are set correctly:įirst, you will need a copy of RepRap Firmware. With your Revo Hemera assembled and installed, next you need to configure your RepRap firmware.
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