M305 Changes in 1.17 - Clarification November 28, 2016 06:39AM |
Registered: 8 years ago Posts: 301 |
M305 P1 R4700 ; Hot End
M305 P1 R4700 B4138 C0; Hot End
Re: M305 Changes in 1.17 - Clarification November 28, 2016 10:37AM |
Registered: 7 years ago Posts: 558 |
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RepRapFirmware
Edit the M305 P1 command in file sys/config.g on the SD card (you can do this in the web interface).
- For firmware versions 1.16 and earlier, set the B parameter (beta value) to 4388. This value gives better accuracy at typical printing temperatures in the range 190 to 250C than the B value of 4267 quoted in the datasheet.
- For firmware versions 1.17 and later, set the B parameter to 4719 and the C parameter to 7.08e-8.
Restart the electronics to process the new config.g file.
Re: M305 Changes in 1.17 - Clarification November 28, 2016 05:31PM |
Registered: 10 years ago Posts: 14,672 |
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DADIY
I was just reading the release notes for the 1.17 dev 4 and see there is change to the M305 defaults in the warnings. I just wanted to check that I understand this correctly.
I have a reprappro kit so I currently set this in my config.g -
M305 P1 R4700 ; Hot End
After upgrading to 1.17 I'll need to amend this to the following?
M305 P1 R4700 B4138 C0; Hot End
Just checking as I don't see the C parameter in the Gcode wiki?