Danfoss VLT AutomationDrive FC 300, Design Manual, Page: 3 / 296

Contents
1 How to Read this Design Guide
9
1.1 How to Read This Design Guide - FC 300 9
1.2 Available Literature 9
1.3 Approvals 10
1.4 Symbols
10
1.5 Abbreviations
10
1.6 Definitions
11
1.7 Power Factor
14
2 Safety and Conformity
15
2.1 Safety Precautions 15
2.2 Caution
15
2.3 CE Labeling
15
2.4 Enclosure Types
17
2.5 Aggressive Environments
18
3 Product Introduction
19
3.1 Product Overview
19
3.2 Controls
21
3.2.1 Control Principle 22
3.2.2 Control Structure in VVC
plus
Advanced Vector Control 26
3.2.3 Control Structure in Flux Sensorless 27
3.2.4 Control Structure in Flux with Motor Feedback 27
3.2.5 Internal Current Control in VVC
plus
Mode 28
3.2.6 Control Local [Hand On] and Remote [Auto On] Control 28
3.3 Reference Handling
30
3.3.1 Reference Limits 31
3.3.2 Scaling of Preset References and Bus References 32
3.3.3 Scaling of Analog and Pulse References and Feedback 32
3.3.4 Dead Band around Zero 33
3.4 PID Control 37
3.4.1 Speed PID Control 37
3.4.2 Speed PID Control Parameters 37
3.4.3 Example of How to Program the Speed Control 38
3.4.4 Speed PID Control Programming Order 38
3.4.5 Tuning Speed PID Control 40
3.4.6 Process PID Control 41
3.4.7 Process PID Control Parameters 42
Contents Design Guide
MG34S222 Danfoss A/S © Rev. 2014-02-10 All rights reserved.