Originally Posted by Walker
Before you attempt to use the system on regular PID mode, you'll want to calibrate your temp probe and probably do an auto-tuning cycle of the PID parameters so that you have good control of temps.
Thanks for the tips walker. I didn't see anything about clibrating the probe in the manual. I will have to dig in again and look.
Just curious, is the probe calibrating crucial to running a manual mode test?
Here is the auto tune procedure. What is the purpose of the autotuning? Any recc on whether I should use AT 1 or AT 2? I guess I thought that setting the parameters meant I wouldn't ahve to autotune.
The auto-tune can be started in two ways. 1) Set At=2. It will start
automatically after 10 seconds. 2) Set At=1. Then you can start the auto-tune
any time during the normal operation by pressing the A/M key. During auto
tuning, the instrument executes on-off control. After 2-3 times on-off action,
the microprocessor in the instrument will analyze the period, amplitude,
waveform of the oscillation generated by the on-off control, and calculate the
optimal control parameter value. The instrument begins to perform accurate
artificial intelligence control after auto tuning is finished. If you want to exit
from auto tuning mode, press and hold the (A/M) key for about 2 seconds
until the blinking of "At" symbol is stopped in the lower display window.
Generally, you will only need perform auto tuning once. After the auto tuning
is finished. The instrument will set parameter “At” to 3, which will prevent the
(A/M) key from triggering auto-tune. This will prevent an accidental repeat of
the auto-tuning process.