9 Self-setting function
9.1 Self-setting function in high-fire operation
Note!
tUnE is only possible in high-fire operation, in modulating burner mode.
Self-setting function tUnE is a proper software function unit integrated in the controller.
In modulating mode, tUnE tests in high-fire operation the response of the controlled
system to angular positioning steps according to a special procedure. A complex
control algorithm uses the response of the controlled system (actual value) to calculate
and automatically store the control parameters for a PID or PI controller (set dt = 0!).
The tUnE procedure can be repeated any number of times.
Self-setting function
Start
PID controller
draft
Identification
of the
Controller
Controlled
system
w
x
Y
-
7866d17e/0712
Figure 24: Self-setting function in high-fire operation
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