You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
23 lines
718 B
Markdown
23 lines
718 B
Markdown
WARNING:
|
|
--------
|
|
This is an experimental modification to allow PID on your bed heater.
|
|
|
|
This will run at the same frequency as the main PID loop. Make sure you heater FET or SSR can do this. I use a fotek SSR-10DA and it's fine
|
|
|
|
add something like this to you configuration (pulling this branch will get you this
|
|
|
|
~~~~~~~~~~~~~~~~~~~~
|
|
#define PIDTEMPBED
|
|
|
|
//from FOPDT model - kp=.39 Tp=405 Tdead=66, Tc set to 79.2, argressive factor of .15 (vs .1, 1, 10)
|
|
#define DEFAULT_bedKp 10.00
|
|
#define DEFAULT_bedKi .023
|
|
#define DEFAULT_bedKd 305.4
|
|
~~~~~~~~~~~~~~~~~~~~
|
|
|
|
|
|
Autotune works for the bed. Give it an "M303 E-1 C8 S90" to run autotune on the bed at 90 degrees for 8 cycles.
|
|
|
|
|
|
|