Siemens Module B3 ユーザーズマニュアル

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Automation and Drives - SCE 
 
 
 
 
T I A  Training Document 
Page 11 of 64 
  Module 
 
2.3. Characteristics 
 
Controlled systems in which a new constant output value sets itself after a certain time has passed 
are called 'self-regulating process’. 
The relationship of the output variables to the input variables in the steady state results in a 
characteristic. 
 
 
 
 
 
Parameter 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
In the environment of an operating point, the characteristic is replaced with a tangent. In the 
environment of an operating point, the problem is treated as a linear problem. 
The zero point of the variables x(t), y(t) and z(t) refers to the operating point A: 
x = X – Xo y = Y - Yo z = Z - Zo 
 
 
 
Preface     Fundamentals     Discontinuous Action Controller     Controller Block (S)FB41     Setting the System     Appendix 
B3 
Issued: 02/2008                                                                                                                                     Control Engineering with STEP 7