DVP-ES3 Series Programming Manual Example 3: Using the automatic tuning function to control the temperature Because you may not be familiar with the characteristics of the temperature environment to be controlled, you can use the automatic tuning function to make an initial adjustment ( PID_MODE is set to 1). After the automatic tuning of the parameter is complete, PID_MODE is set to 0. The controlled environment in this sample is an oven. The following example program shows the setting values for the instruction. _6 6-212