Danfoss VLT FC 360 User Manual

Contents
1 Introduction
5
1.1 How to Read This Design Guide
5
1.1.1 Symbols 5
1.1.2 Abbreviations 5
1.2 Definitions
6
1.2.1 Frequency Converter 6
1.2.2 Input 6
1.2.3 Motor 6
1.2.4 References 6
1.2.5 Miscellaneous 7
1.3 Safety Precautions
8
1.4 Software Version
9
1.5 CE Labelling
10
1.6 Air Humidity
11
2 Product Overview
12
2.1 Enclosure Type Overview
12
2.2 Electrical Installation
13
2.3 Control Structures
14
2.3.1 Control Principle 14
2.3.2 FC 360 Controls 14
2.3.3 Control Structure in VVC
plus
15
2.3.4 Internal Current Control in VVC
plus
Mode 16
2.3.5 Local (Hand On) and Remote (Auto On) Control 16
2.4 Reference Handling
17
2.4.1 Reference Limits 18
2.4.2 Scaling of Preset References and Bus References 19
2.4.3 Scaling of Analog and Pulse References and Feedback 19
2.4.4 Dead Band Around Zero 21
2.5 PID Control
24
2.5.1 Speed PID Control 24
2.5.2 Process PID Control 27
2.5.3 Process Control Relevant Parameters 28
2.5.4 Example of Process PID Control 29
2.5.5 Optimisation of the Process Regulator 31
2.5.6 Ziegler Nichols Tuning Method 31
2.6 General Aspects of EMC
32
2.6.1 General Aspects of EMC Emissions 32
2.6.2 EMC Test Results 33
Contents
VLT
®
AutomationDrive FC 360 Design Guide
MG06B202 - VLT
®
is a registered Danfoss trademark 1

Danfoss VLT FC 360 Specifications

General

Brand	Danfoss
Model	VLT FC 360
Category	DC Drives
Language	English