Danfoss VLT FC51, Design Manual, Page: 3 / 94

Contents
1 Introduction
5
1.1 Available Literature
5
1.2 Document and Software Version
5
1.3 Abbreviations
5
1.4 Definitions
6
1.5 Power Factor
8
2 Safety and Conformity
9
2.1 Safety
9
2.2 Disposal Instruction
10
2.3 Approvals
10
2.4 CE Labeling
10
2.5 Aggressive Environments 11
2.6 Vibration and Shock 12
2.7 Advantages 12
3 Product Overview
18
3.1 Control Structures
18
3.1.1 Control Structure Open Loop 18
3.1.2 Local (Hand On) and Remote (Auto On) Control 18
3.1.3 Control Structure Closed Loop 19
3.1.4 Reference Handling 20
3.2 General Aspects of EMC 21
3.2.1 Emission Requirements 22
3.3 Galvanic Isolation (PELV) 23
3.4 Earth Leakage Current 24
3.5 Extreme Running Conditions 24
3.5.1 Motor Thermal Protection 25
4 Selection
26
4.1 Options and Accessories 26
4.1.1 Local Control Panel (LCP) 26
4.1.2 Remote Mounting Kit for LCP 26
4.1.3 FC 51 LCP Mounting Instruction 27
4.1.4 FC 51 Remote Mounting Kit Mounting Instruction 27
4.1.5 IP21/TYPE 1 Enclosure Kit 29
4.1.6 Type 1 (NEMA) 29
4.1.7 De-Coupling 29
4.1.8 FC 51 Type 1 Kit Mounting Instruction for M1, M2 and M3 30
4.1.9 FC 51 Type 1 Kit Mounting Instruction for M4 and M5 30
Contents
VLT
®
Micro Drive FC 51 Design Guide
MG02K302 - Rev. 2013-12-03 1