Automation and Drives - SCE

Network 4: Calculation of half differential X1 = Xs/2

Network 5: Calculation of the low operating point Xu = w – X1 "AI_Fill_Setp_Norm“

Network 6: ACTUAL VALUE x less than low operating point?

D24/AI_Fill_Setp_Norm/Norm.value for level setpoint

"AI_Fill_Actual_Norm“

"Pump“

Network 7: Calculation of the high operating point Xo = w – X1 "AI_Fill_Setp_Norm“

Network 8: Actual value X larger than Xo?

"AI_Level_Actual_Norm“

"Pump“

 

 

 

 

 

 

 

Preface Fundamentals

Discontinuous Action Controllerr

Controller Block (S)FB41

Setting the System Appendix

 

 

 

 

 

 

 

 

T I A Training Document

Page 35 of 64

Module

 

 

 

 

B3

Issued: 02/2008

 

 

Control Engineering with STEP 7

Page 35
Image 35
Siemens Module B3 manual D24/AIFillSetpNorm/Norm.value for level setpoint