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M501-TRS OPERATING INSTRUCTIONS M102E/M501 TRS
(Addendum to M101E Manual - P/N 04740 Rev A)
6.4. Autotune the Temperature Controller:
The M501-TRS controller includes an auto tune feature which allows the controller to find and set
optimum values for various process control parameters so that the controller can establish and
maintain the converter oven at the temperature set value in the most stable and efficient manner.
NOTE
Before initiating the autotune feature make sure that the converter temperature oven
has reached a stable, constant temperature.
6.4.1. Initiating the Autotune Process:
1. Press the SELECT key once. The main display will show
2. Use the SELECT , DOWN or 100’s UP key to scroll through the primary menu parameters until
the display shows
(AT =Autotune).
3. Press the DATA key once. The display will show
(zero = Off).
4. Press the 1’s UP key once. The display will show
(1 = autotune based on set point value).
5. Press the ENTER key to begin the autotune process. A blinking decimal point will appear at the
bottom right-hand corner of the main display.
6. Wait until the blinking light stops. This may take up to 30 minutes.
7. The autotune process is finished. The autotune parameter value will automatically reset to
zero (off).
8. Press the PV/SV mode key to return to operational mode.
Note
The P-I-D parameters calculated by autotuning will be retained even if the power is lost.
However, if the power is turned off during the auto-tuning process, you must restart
autotuning.
34 05514 Rev A1