Contents
IP244
C79000–B8576–C860–02
4–2
Contents Page
1 Description of the Firmware 4–5
1.1 Functional Description of Temperature Control 4–5
1.1.1 Closed-Loop Control 4–6
1.1.2 Actual Value Processing 4–7
1.1.3 Manipulated Variable Processing, Outputs-Heating Switch 4–8
1.1.4 Setpoint Processing, Closed-Loop Control 4–10
1.1.5 Monitoring Functions and Error Messages 4–11
1.1.6 20.48 V Channels (for Special Function) 4–15
1.1.7 Comparator 4–15
1.1.8 Software Release 4–15
1.1.9 Module Number 4–15
1.2 Self-Tuning Temperature Controller 4–16
1.2.1 Introduction 4–16
1.2.2 Mode of Operation 4–17
1.2.3 Calculated Parameters 4–20
1.2.4 Which Controlled Systems Can the Self-Tuning Function be Used With? 4–21
1.2.5 Assigning Parameters for the Self-Tuning Function 4–21
2 Data Exchange with the Central Controller 4–23
2.1 Messages 0 to 12 (Controller Parameters) 4–25
2.2 Messages 13 and 14 4–38
2.3 Message 15 4–39
2.4 Message 16 4–55
2.5 Messages 17 to 21 4–61
2.6 Messages 22 to 63 4–66
3 Special Functions for Plastic Machines 4–73
3.1 Hot Channel Control 4–73
3.1.1 Introduction 4–73
3.1.2 Approach Phase 4–73
3.1.3 Controller Sampling Time for Hot Channel Control 4–74
3.2 Cascaded Control 4–75
3.2.1 Introduction: Example Plastic Processing Machines 4–75
3.2.2 Description of the Controller Structure 4–75
3.2.3 Selecting Cascaded Control 4–75
3.2.4 Parameter Assignment for Cascaded Control 4–76
3.2.5 Changes/Additions to the Messages 4–76
3.2.6 Notes on Operation with Cascaded Control 4–77
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