kiln-controller-max31856/docs/logs.md

1.2 KiB

Logs for a Kiln Run

Logs from the app on the pi go to /var/log/daemon.log and look like this...

May 14 22:36:09 kiln python[350]: 2022-05-14 22:36:09,824 INFO oven: temp=1888.40, target=1888.00, error=-0.40, pid=54.33, p=-3.99, i=69.11, d=-10.79, heat_on=1.09, heat_off=0.91, run_time=27250, total_time=27335, time_left=84
log variable meaning
temp temperature read by thermocouple
target target temperature
error difference between target and temp
pid pid value for that 2s
p proportional value for that 2s
i integral value for that 2s
d derivative value for that 2s
heat_on number of seconds the elements were on
heat_off number of seconds the elements were off
run_time seconds since start of schedule
total_time total seconds for schedule
time_left seconds left till the end of schedule

If you need to send kiln logs to someone for troubleshooting:

cd kiln-controller
./ziplogs

that creates a file named kiln.logs.gz in the current directory suitable for posting.

Here is a project I use to read logs to help troubleshoot logs you post...

https://github.com/jbruce12000/kiln-stats