
vacon • 5
Vacon NXS/P User's Manual
Index
Document code: ud00701S
Date: 7.12.2005
1. SAFETY...............................................................................................................................7
1.1 Warnings ..........................................................................................................................................7
1.2 Safety instructions...........................................................................................................................7
1.3 Earthing and earth fault protection ................................................................................................8
1.4 Running the motor...........................................................................................................................8
2. EU DIRECTIVE ....................................................................................................................9
2.1 CE marking ......................................................................................................................................9
2.2 EMC directive ...................................................................................................................................9
2.2.1 General ................................................................................................................................9
2.2.2 Technical criteria.................................................................................................................9
2.2.3 Vacon frequency converter EMC classification ..................................................................9
2.2.4 Manufacturer's declaration of conformity .......................................................................10
3. RECEIPT OF DELIVERY..................................................................................................... 14
3.1 Type designation code ...................................................................................................................14
3.2 Storage...........................................................................................................................................15
3.3 Maintenance...................................................................................................................................15
3.4 Warranty.........................................................................................................................................15
4. TECHNICAL DATA............................................................................................................. 16
4.1 Introduction....................................................................................................................................16
4.2 Power ratings.................................................................................................................................18
4.2.1 Vacon NX_5 – Mains voltage 380—500 V ..........................................................................18
4.2.2 Vacon NX_6 – Mains voltage 525—690 V ..........................................................................19
4.2.3 Vacon NX_2 – Mains voltage 208—240 V ..........................................................................20
4.3 Brake resistor ratings ...................................................................................................................21
4.4 Technical data................................................................................................................................23
5. INSTALLATION ................................................................................................................. 25
5.1 Mounting ........................................................................................................................................25
5.2 Cooling ...........................................................................................................................................35
5.2.1 FR4 to FR9 .........................................................................................................................35
5.2.2 Standalone units (FR10 to FR12) ......................................................................................36
5.3 Power losses..................................................................................................................................37
5.3.1 Power losses as function of switching frequency............................................................37
6. CABLING AND CONNECTIONS ......................................................................................... 41
6.1 Power unit ......................................................................................................................................41
6.1.1 Power connections............................................................................................................41
6.1.1.1 Mains and motor cables.............................................................................................41
6.1.1.2 DC supply and brake resistor cables.........................................................................42
6.1.1.3 Control cable ..............................................................................................................42
6.1.1.4 Cable and fuse sizes, NX_2 and NX_5, FR4 to FR9 ...................................................42
6.1.1.5 Cable and fuse sizes, NX_6, FR6 to FR9....................................................................43
6.1.1.6 Cable and fuse sizes, NX_5, FR10 to FR12 ................................................................43
6.1.1.7 Cable and fuse sizes, NX_6, FR10 to FR12 ................................................................44
6.1.2 Understanding the power unit topology ...........................................................................44
6.1.3 Changing the EMC protection class..................................................................................45
6.1.4 Mounting of cable accessories .........................................................................................47
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