Self-Setting Function; Self-Setting Function In High-Fire Operation - Siemens RWF50.3 User Manual

Compact universal controllers
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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
PID controller
draft
Controller
w
-
x
Figure 24: Self-setting function in high-fire operation
User Manual RWF50...
9 Self-setting function
Start
Identification
of the
Controlled
system
Y
7866d17e/0712
CC1U7866en
25.07.2014

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