Siemens Module B3 manual Proportional Controlled System with a Time Delay, Time constant

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Automation and Drives - SCE

2.5.2. Proportional Controlled System with a Time Delay

The controlled system is called P-T1 system for short.

Differential equation for a general input signal

Solution of the differential equation for a step function at the input (step response)

Time constant

	Preface	Fundamentals	Discontinuous Action Controller Controller Block (S)FB41	Setting the System Appendix

	T I A Training Document		Page 14 of 64	Module
				B3
Issued: 02/2008				Control Engineering with STEP 7

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Contents Module B3 Automation and Drives SCE Table of Contents Automation and Drives SCE Learning Objective To 3 days Module C To 3 days Module DFrequency Converter at Simatic S7 PrerequisitesHardware and software required PLCFundamentals of Control Engineering Tasks of Control EngineeringFeedback Variable r Components of a Control LoopControlled Variable Comparing Element Disturbance Variable zSetpoint Value w Controlling ElementDead Time ActuatorControlled System Characteristics For Step Function for Examining Controlled SystemsAutomation and Drives SCE Proportional Controlled System with a Time Delay Time constantControllability of P-Tn systems Proportional Controlled System with Two Time DelaysTu Delay time Tg Transition time Proportional Controlled System with n Time Delays Controlled Systems without Inherent Regulation Types of Controllers Two Position Controllers Switch-On Value Manipulated Variable Time HysteresisThree Position Controllers Basic Types of Continuous Controllers Proportional Controllers P-Controller Automation and Drives SCE With Integral Action Controllers I- ControllerPI Controllers Controller LayoutDerivative Action Controllers D-Controller PID ControllersObjectives for Controller Adjustment 450.85 Digital Controllers DAC Preface Fundamentals Structogram YESAssignment List Symbol Address Comment ExercisePossible Solution for the PLC Program NetworkD24/AIFillSetpNorm/Norm.value for level setpoint Network 10 Title Task Definition for PID Standard Controller Function Diagram of the control system with a PID controller Description FB 41 ContcUse Exercise Example Automation and Drives SCE Automation and Drives SCE Automation and Drives SCE Automation and Drives SCE Automation and Drives SCE Automation and Drives SCE Automation and Drives SCE Automation and Drives SCE SP INT PLC’ Automation and Drives SCE Automation and Drives SCE Automation and Drives SCE T g Approximation GeneralTu-TgApproximation Setting the PI-Controller according to Ziegler-Nichols For setpoint characteristic MAN Solution of the PLC program Setting the PI controller according to Ziegler-Nichols SetpointDiagram of the controller block AppendixInput Parameters Data Value Range Default Description Type Comrst Bool FalseParameter Data Type Value Range Default Lmnhlm Real Lmnllm Parameter Data Value Range Default Description Type Output Parameters