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Automation and Drives - SCE
T I A Training Document Page 38 of 64 Module
Assignment List:
Symbol: Address: Comment
AI_w PEW 128 Analog input setpoint generator 0…10V
AI_X PEW 130 Analog input sensor actual value 0…10V
AO_Y PAW 128 Analog output manipulated variable 0 … 10V
M_w MD40 Internal setpoint (floating point number normalized)
Function Diagram of the control system with a PID controller
Regelstrecke
Preface Fundamentals Discontinuous Action Controllerr Controller Block (S)FB41 Setting the System Appendix
Sollwertgeber
Regler
Stellgröße y
Bildung
der
Regelfunktion
Regeldifferenz e = w-x
Soll-Istwert-
Vergleich
Regelgröße x
Stellglied
Controlled System
Final Control
Element
Controller
Controller Output y
Prozess
Process
Generation
Control Function
of
System Deviation e = w-x
Messgeber
Messumformer
Sollwert Int
Setp./Actual Value
Transducer
Setpoint Generator
Setpoint Int
Measuring Sensor
Contr. Variable x
Comparison
B3
Issued: 02/2008 Control Engineering with STEP 7