Nidec DFS 1, Power Installation Manual

Page: 4 / 61

DFS1/DFS2 Power Installation Guide
Issue Number: 2
Contents
1 Safety information .....................................................................................10
1.1 Warnings, Cautions and Notes ..............................................................................10
1.2 General information ................................................................................................10
1.3 Responsibility .........................................................................................................10
1.4 Compliance with regulations ..................................................................................10
1.5 Electrical hazards ...................................................................................................11
1.6 Stored electrical charge .........................................................................................11
1.7 Mechanical hazards ...............................................................................................11
1.8 Access to equipment ..............................................................................................11
1.9 Environmental limits ...............................................................................................11
1.10 Hazardous environments .......................................................................................11
1.11 Motor ......................................................................................................................12
1.12 Mechanical brake control .......................................................................................12
1.13 Adjusting parameters .............................................................................................12
1.14 Electromagnetic compatibility (EMC) .....................................................................12
1.15 Safe Torque Off ......................................................................................................12
2 Product information ..................................................................................13
2.1 Introduction ............................................................................................................13
2.2 Model number ........................................................................................................13
2.3 Nameplate description ...........................................................................................15
2.4 Ratings ...................................................................................................................16
2.5 Cubicle features .....................................................................................................18
3 Mechanical installation .............................................................................20
3.1 Safety information ..................................................................................................20
3.2 Planning the installation .........................................................................................22
3.3 Control terminal cover removal ..............................................................................24
3.4 Cubicle Dimensions ...............................................................................................26
3.5 Terminal size and torque settings ..........................................................................27
3.6 Routine maintenance .............................................................................................28
3.7 Cooling fan replacement ........................................................................................28
3.8 Storage ...................................................................................................................29
4 Electrical installation .................................................................................30
4.1 Power connections .................................................................................................31
4.2 Ground connections ...............................................................................................32
4.3 AC Supply requirements ........................................................................................34
4.4 Operation on IT (ungrounded) supplies .................................................................35
4.5 Ground connections ...............................................................................................36
4.6 Upstream protection ...............................................................................................36
4.7 Motor requirements ................................................................................................39
4.8 Output short circuit protection ................................................................................39
4.9 Motor overload protection ......................................................................................40
4.10 Motor cables ...........................................................................................................41
4.11 High-capacitance / reduced diameter cables .........................................................42
4.12 Output contactor .....................................................................................................43
4.13 Safe Torque Off ......................................................................................................43
4.14 Braking ...................................................................................................................43
4.15 Ground leakage ......................................................................................................44
4.16 Use of a residual current device (RCD) .................................................................44
4.17 Starts per hour .......................................................................................................44
4.18 Start-up time ...........................................................................................................44
4.19 Motor winding voltage ............................................................................................44
4.20 Star/ Delta motor operation ....................................................................................45
4.21 External 24 V DC Supplies .....................................................................................45
4.22 Electromagnetic compatibility .................................................................................46