Issues with PID Tuning (RRF 3.4.0-b7)
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try firmware 3.4 beta 7+7
https://www.dropbox.com/sh/i5vox3xmkd55gaz/AAC19mI0WEC5GmEjLOBRbKs-a?dl=0
if you still have problems I help you in another way
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3.4 beta7+7 - the results were even worse with PID
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then for the bed try to give this code in duet web control
M303 H0 S80 Y3
Y3= 3 hysteresis cycles
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I have no PID issues with the bed.
The extruder PID calibration does not work for me when the parts cooling fan is included. Therefore I need to start the PID calibration as a heater and not as a tool.
The Rapido uses a different kind of heater which needs less power at higher temperatures. Maybe that is causing trouble for the PID calibration.
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ok try this code to calibrate as a tool M303 T0 S205 Y3
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undefined Phaedrux moved this topic from General Discussion
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Y3 or Y5 produce the same PID results which cause issues. Only solution I have atm is to use the old PID calibration which does not include the fan.
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then try to change these parameters:
I put my values try to use suitable values for you. you can find in config-override.g
try for example starting from your values to lower R and increase D
M307 H1 R2.762 D6.75
then put the string in duet web controll and press enter
digit M500 and press enter
make sure you have M501 at the end of config.g
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ok the geometry and type of material affect the pid adjustment
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undefined droftarts referenced this topic
