Adjusting The P-I-D Parameters - Teledyne 6200A Manual

3. Press the "up-arrow" under the digit or the "down-arrow" at the left to scroll the digit to the
desired value.
4. Repeat for the other two digits,
5. Press the ENTER button.
6. Select PV with the PV/SV button to observe the actual temperature. Allow temperature to
equilibrate for a minimum of 30 to 45 minutes.
It is normal for the ceramic heating element to emit a red glow

2.7.2 Adjusting the P-I-D Parameters

In the event that the control parameters must be changed or in the event that a new controller is installed,
it must be reprogrammed to suit the thermal characteristics of the instrument. It is recommended that the
Auto Tune function be used to set the control functions if reprogramming is necessary.
The following table is a guide to the approximate values for setting the parameters that will produce the
initial settings for the autotune function. Below is a summary of the autotune procedure, refer to the Fuji
Manual for more detailed information.
To perform Auto Tune function, set the parameter A7 to 1, then press ENTER.
The controller will begin the autotune process, which takes several minutes. The decimal point at the
lower right of the display will blink, indicating the controller is autotuning. During the process, the
temperature may oscillate 100
blinking.
NOTE:
at the operating temperature.
o
C or more. When the process is completed, the decimal point will stop
TAI - Thermal Converter Operator Manual - Page 15