Vacon FI4-FI8 service manual

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User's Manual
NX Inverters
FI4 - FI8

AT LEAST THE 10 FOLLOWING STEPS OF THE

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START-UP QUICK GUIDE

MUST BE PERFORMED

DURING THE INSTALLATION AND COMMISSIONING.

IF ANY PROBLEMS OCCUR, PLEASE CONTACT YOUR LOCAL DISTRIBUTOR.

Start-up Quick Guide

1. Check that the delivery corresponds to your order, see Chapter 3.

2. Before taking any commissioning actions, read carefully the safety instructions in
Chapter 1.

3. Before the mechanical installation, check the minimum clearances around the unit and
check the ambient conditions in Chapter 5.

4. Check the size of the motor cable, DC supply cable, and mains fuses, and check the
cable connections. Read Chapters 6.1.1.1 – 6.1.1.6.

5. Follow the installation instructions, see Chapter 6.1.2.

6. The sizes and earthing of control connections are explained in Chapter 6.2.1.

7. If the Start-Up wizard is active, select the language you want the keypad and the
application to use and confirm by pressing the
active, follow the instructions in 7a and 7b below.

8. 7a. Select the language of the keypad from Menu M6, page 6.1. Instructions on using the
keypad are given in Chapter 7.

enter button. If the Start-Up wizard is not

9. 7b. Select the application you want to use from Menu M6, page 6.2. Instructions on using
the keypad are given in Chapter 7.

10. All parameters have factory default values. To ensure proper operation, check the rating
plate data for the values below and the corresponding parameters of parameter group
G2.1.

• nominal voltage of the motor

• nominal frequency of the motor

• nominal speed of the motor

• nominal current of the motor

• motor cosϕ

All parameters are explained in the All in One Application Manual.

11. Follow the commissioning instructions, see Chapter 8.

12. The Vacon NX Inverter is now ready for use.

Vacon Plc is not responsible for the use of the inverters against the
instructions.

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CONTENTS

VACON NXI USER’S MANUAL

INDEX

1 SAFETY

2 EU DIRECTIVE

3 RECEIPT OF DELIVERY

4 TECHNICAL DATA

5 INSTALLATION

6 CABLING AND CONNECTIONS

7 CONTROL KEYPAD

8 COMMISSIONING

9 FAULT TRACING

vacon • 3

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ABOUT THE VACON NXI USER'S MANUAL
AND THE ”All in One” APPLICATION MANUAL

Congratulations for choosing Vacon NX Inverters!

The User's Manual will provide you with the necessary information about the installation,
commissioning and operation of Vacon NX Inverters. We recommend that you carefully study these
instructions before powering up the inverter for the first time.

In the All in One Application Manual you will find information about the different applications
included in the All in One Application Package. Should these applications not meet the requirements
of your process, please contact the manufacturer for information on special applications.

This manual is available in both paper and electronic editions. We recommend you to use the
electronic version if possible. If you have the electronic version at your disposal, you will be able to
benefit from the following features:

The manual contains several links and cross-references to other locations in the manual, which
makes it easier to move around in the manual. The reader can thus easily find and check things.

The manual also contains hyperlinks to web pages. To visit these web pages through the links, you
must have an internet browser installed on your computer.

4 • vacon

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Vacon NX User's Manual

Document code: ud01047B

Date: 9.11.2005

Index

SAFETY............................................................................................................................... 6

1.

1.1 Warnings ..................................................................................................................................... 6

1.2 Safety instructions...................................................................................................................... 6

1.3 Earthing and earth fault protection ........................................................................................... 7

1.4 Running the motor...................................................................................................................... 7

2. EU DIRECTIVE ....................................................................................................................8

2.1 CE marking ................................................................................................................................. 8

2.2 EMC directive .............................................................................................................................. 8

2.2.1 Introduction....................................................................................................................... 8

2.2.2 Technical criteria..............................................................................................................8

2.2.3 Vacon inverter EMC classification ................................................................................... 8

3. RECEIPT OF DELIVERY....................................................................................................... 9

3.1 Type designation code. ............................................................................................................... 9

3.1.1 FR4—FR8 .......................................................................................................................... 9

3.1.2 The standard features of NX inverters ...........................................................................10

3.2 Storage...................................................................................................................................... 11

3.3 Maintenance.............................................................................................................................. 11

3.4 Warranty.................................................................................................................................... 11

4. TECHNICAL DATA ............................................................................................................ 12

4.1 Introduction............................................................................................................................... 12

4.2 Power ratings............................................................................................................................ 14

4.2.1 Vacon NXI_xxxx 5 – Supply voltage 465-800 Vdc, Motor voltage 380—500 Vac ............14

4.2.2 Vacon NXI_xxxx 6 – Supply voltage 640-1100 Vdc, Motor voltage 525—690 Vac...........15

4.3 Technical information............................................................................................................... 16

5. INSTALLATION ................................................................................................................. 19

5.1 Mounting ................................................................................................................................... 19

5.2 Fan cooling................................................................................................................................ 25

5.2.1 Frames FR4 to FR8..........................................................................................................25

5.2.2 Power losses as function of switching frequency ..........................................................26

6. CABLING AND CONNECTIONS ......................................................................................... 27

6.1 Power unit................................................................................................................................. 27

6.1.1 Power connections ..........................................................................................................28

6.1.1.1 DC supply and motor cables ...................................................................................28

6.1.1.2 Control cable ...........................................................................................................28

6.1.1.3 Fuses, NXI_xxxx 5....................................................................................................29

6.1.1.4 Fuses, NXI_xxxx 6....................................................................................................29

6.1.1.5 Cable sizes, NXI_xxxx 5 ...........................................................................................30

6.1.1.6 Cable sizes, NXI_xxxx 6 ...........................................................................................30

6.1.2 Installation instructions ..................................................................................................31

6.1.2.1 Stripping lengths of motor and DC supply cables..................................................33

6.1.2.2 Vacon NX frames .....................................................................................................34

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6.1.3 Cable installation and the UL standards ........................................................................36

6.1.4 Cable and motor insulation checks ................................................................................36

6.2 Control unit ............................................................................................................................... 37

6.2.1 Control connections ........................................................................................................38

6.2.1.1 Control cables .........................................................................................................39

6.2.1.2 Galvanic isolation barriers ......................................................................................39

6.2.2 Control terminal signals .................................................................................................40

6.2.2.1 Digital input signal inversions.................................................................................41

6.2.2.2 Jumper selections on the NXOPTA1 basic board...................................................42

7. CONTROL KEYPAD ........................................................................................................... 44

7.1 Indicators on the keypad display.............................................................................................. 44

7.1.1 Drive status indications...................................................................................................44

7.1.2 Control place indicators ..................................................................................................45

7.1.3 Status LEDs (green – green – red).................................................................................45

7.1.4 Text lines..........................................................................................................................46

7.2 Keypad push-buttons................................................................................................................ 47

7.2.1 Button descriptions .........................................................................................................47

7.3 Navigation on the control keypad............................................................................................. 48

7.3.1 Monitoring menu (M1) .....................................................................................................50

7.3.2 Parameter menu (M2) .....................................................................................................51

7.3.3 Keypad control menu (M3) ..............................................................................................53

7.3.3.1 Selection of control place .......................................................................................53

7.3.3.2 Keypad reference ....................................................................................................54

7.3.3.3 Keypad direction......................................................................................................54

7.3.3.4 Stop button activated...............................................................................................54

7.3.4 Active faults menu (M4)...................................................................................................55

7.3.4.1 Fault types ...............................................................................................................55

7.3.4.2 Fault codes ..............................................................................................................57

7.3.4.3 Fault time data record.............................................................................................60

7.3.5 Fault history menu (M5) ..................................................................................................61

7.3.6 System menu (M6)...........................................................................................................62

7.3.6.1 Selection of language ..............................................................................................65

7.3.6.2 Application selection ...............................................................................................65

7.3.6.3 Copy parameters .....................................................................................................66

7.3.6.4 Parameter comparison ...........................................................................................68

7.3.6.5 Safety .......................................................................................................................69

7.3.6.6 Keypad settings .......................................................................................................71

7.3.6.7 Hardware settings ...................................................................................................73

7.3.6.8 System info ..............................................................................................................75

7.3.7 Expander board menu (M7).............................................................................................79

7.4 Further keypad functions ......................................................................................................... 80

8. COMMISSIONING.............................................................................................................. 81

8.1 Safety......................................................................................................................................... 81

8.2 Commissioning the inverter..................................................................................................... 81

9. FAULT TRACING............................................................................................................... 84

6 • vacon SAFETY

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1. SAFETY

ONLY A COMPETENT ELECTRICIAN MAY CARRY OUT

THE ELECTRICAL INSTALLATION

1.1 Warnings

WARNING

1

2
3

4
5

6

1.2 Safety instructions

1
2

3

4

5
6
7

The components of the power unit of the inverter are live when the Vacon
NX is connected to DC supply. Coming into contact with this voltage is
extremely dangerous and may cause death or severe injury. The
control unit is isolated from mains potential.

The supply and motor terminals are live when the Vacon NX is connected
to DC supply, even if the motor is not running.

The control I/O-terminals are isolated from the mains potential.
However, the relay outputs and other I/O-terminals may have dangerous
control voltage present even when the Vacon NX is disconnected from the
DC supply.
.

The inverter has a large capacitive leakage current.

If the inverter is used as a part of a machine, the machine manufacturer
is responsible for providing the machine with a main switch (EN 60204-1).

Only spare parts delivered by Vacon can be used.

The Vacon NX inverter is meant for fixed installations only.

Do not perform any measurements when the inverter is connected to the
DC supply.

After having disconnected the inverter from the DC supply, wait until the
fan stops and the indicators on the keypad go out (if no keypad is
attached see the indicator through the keypad base). Wait 5 more
minutes before doing any work on Vacon NX connections. Do not even
open the cover before this time has expired.

Do not perform any voltage withstand tests on any part of Vacon NX.
There is a certain procedure according to which the tests shall be per­formed. Ignoring this procedure may result in damaged product.

Prior to measurements on the motor or the motor cable, disconnect the
motor cable from the inverter.

Do not touch the components on the circuit boards. Static voltage dis­charge may damage the components.

Before connecting the inverter to DC supply, make sure that the Vacon
NX front and cable covers are closed.

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SAFETY vacon • 7

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1.3 Earthing and earth fault protection

The Vacon NX inverter must always be earthed with an earthing conductor connected to the earthing
terminal.

The earth fault protection inside the inverter only protects the inverter against earth faults in the
motor or the motor cable.

Due to the high capacitive currents present in the inverter, fault current protective switches may not
function properly. If fault current protective switches are used, they need to be tested with earth
fault currents present during possible fault situations.

1.4 Running the motor

Warning symbols

For your own safety, please pay special attention to the instructions marked with the following
symbols:

WARNING

HOT SURFACE

MOTOR RUN CHECK LIST

WARNING

Dangerous voltage

=

=

General warning

Hot surface – Risk of burn

=

1

2
3

4
5

Before starting the motor, check that the motor is mounted properly and
ensure that the machine connected to the motor allows the motor to be
started.

Set the maximum motor speed (frequency) according to the motor and
the machine connected to it.

Before reversing the motor, make sure that this can be done safely.

Make sure that no power correction capacitors are connected to the
motor cable.

Make sure that the motor terminals are not connected to mains
potential.

1

8 • vacon eu directive

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2. EU DIRECTIVE

2.1 CE marking

The CE marking on the product guarantees the free movement of the product within the EEA
(European Economic Area). It also guarantees that the product complies with applicable directives
(for example, the EMC directive and other possible so-called new method directives).

Vacon NX inverters carry the CE label as a proof of compliance with the Low Voltage Directive (LVD)
and the Electro Magnetic Compatibility (EMC) directive. SGS FIMKO has acted as the Competent
Body.

2.2 EMC directive

2.2.1 Introduction

The EMC Directive provides that the electrical apparatus must not excessively disturb the
environment it is used in, and, on the other hand, it shall have an adequate level of immunity toward
other disturbances from the same environment.

The compliance of Vacon NX inverters with the EMC directive is verified with Technical Construction
Files (TCF) and checked and approved by SGS FIMKO, which is a Competent Body. The Technical
Construction Files are used to authenticate the conformity of Vacon inverters with the Directive
because it is impossible to test such a large product family in a laboratory environment and because
the combinations of installation vary greatly.

2.2.2 Technical criteria

Our basic idea was to develop a range of inverters offering the best possible usability and cost­efficiency. EMC compliance was a major consideration from the outset of the design.

Vacon NX inverters are marketed throughout the world, a fact which makes the EMC requirements
of customers different. As far as immunity is concerned, all Vacon NX inverters are designed to fulfil
even the strictest requirements.

2.2.3 Vacon inverter EMC classification

Factory delivered Vacon NX inverters are Class T equipment, which fulfil all EMC immunity
requirements (standards EN 50082-1, 50082-2 and EN 61800-3).

Class T:
Class T equipment have a small earth leakage current and can be used with floating DC input. If they
are used with other supplies, no EMC requirements are complied with.

Warning: This product is of the restricted sales distribution class according to IEC 61800-3. In
residential areas, this product may cause radio interference in which case the user may be required
to take adequate measures.

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receipt of delivery vacon • 9

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3. RECEIPT OF DELIVERY

Vacon NX inverters have undergone scrupulous tests and quality checks at the factory before they
are delivered to the customer. However, after unpacking the product, check that no signs of
transportation damage is to be found on the product and that the delivery is complete (compare the
type designation of the product to the code below, see Figure 3-1

Should the drive have been damaged during the shipping, please contact primarily the cargo
insurance company or the carrier.

If the delivery does not correspond to your order, contact the supplier immediately.

3.1 Type designation code.

3.1.1 FR4—FR8

NX

I

0000 5

Nominal mains voltage:

5 = 465...800VDC, 6 = 640...1100VDC

Nominal current

esim. 0004 = 4 A, 0022 = 22 A

Reserved for cooling method, now always air cooling:

_ = air cooling (= no sym bo l)

W = liquid cooling

Code: I = Inverter Unit (INU)

Product series: NX

nxik2.fh8

Figure 3-1 Vacon NX type designation code, FR4—FR8

3

10 • vacon receipt of delivery

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3.1.2 The standard features of NX inverters

Sales code NXI_AAAA 5/6 Standard features FR4, FR6 and FR7

Sales code NXI_AAAA 5/6 Standard features FR8

Table 3-1. The standard features of NX inverters

DC connection
IP21
Air cooling
Integrated charging
Alphanumeric control panel (in the
front of the module)
I/O modules A1 & A2
Standard board
Safety CE / UL

DC connection
IP00
Air cooling
Integrated charging
Alphanumeric control panel (in the
front of the module)
I/O modules A1 & A2
Standard board
Safety CE / UL

INU

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3.2 Storage

If the inverter is to be stored before use, make sure that the ambient conditions are acceptable:

Storage temperature –40…+70
Relative humidity <95%, no condensation

If the inverter is stored for over 12 months, contact Vacon service before connecting the inverter to
the power supply.

3.3 Maintenance

In normal conditions, Vacon NX inverters are maintenance-free. However, we recommend to clean
the heatsink with compressed air whenever necessary. The cooling fan can easily be changed if
necessary.

It may also be necessary to check the tightening torques of terminals at certain intervals.

3.4 Warranty

Only manufacturing defects are covered by the warranty. The manufacturer assumes no
responsibility for damages caused during or resulting from transport, receipt of the delivery,
installation, commissioning or use.

The manufacturer shall in no event and under no circumstances be held responsible for damages
and failures resulting from misuse, wrong installation, unacceptable ambient temperature, dust,
corrosive substances or operation outside the rated specifications.

Neither can the manufacturer be held responsible for consequential damages.

The Manufacturer's warranty period is 18 months from the delivery or 12 months from the
commissioning whichever expires first (General delivery terms NL92/Orgalime S92).

The local distributor may grant a warranty time different from the above. This warranty time shall be
specified in the distributor's sales and warranty terms. Vacon assumes no responsibility for any
other warranties than that granted by Vacon itself.

In all matters concerning the warranty, please contact your distributor first.

°C

3

12 • vacon technical data

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4. TECHNICAL DATA

4.1 Introduction

The figure below presents the block diagram of the Vacon NX inverter. The inverter mechanically
consists of two units, the Power Unit and the Control Unit.

The Power Unit contains an inverter bridge which consists of IGBT switches and produces a
symmetrical, 3-phase PWM-modulated AC voltage to the motor. To protect the DC-link capacitors,
the Power Unit also contains a charging circuit for controlled DC-link charge. Use the B+ and DC­terminals in order to bypass the charging circuit.

The Motor and Application Control Block is based on microprocessor software. The microprocessor
controls the motor based on the information it receives through measurements, parameter settings,
control I/O and control keypad. The motor and application control block controls the motor control
ASIC which, in turn, calculates the IGBT positions. Gate drivers amplify these signals for driving the
IGBT inverter bridge.

Power
module

Mains

B+
DC+
DC-

Integrat ed char ging c i r cuit

Control
Keypad

Control
module

Control
I/O

Fan

Charg.res.

Power
Supply

Control
I/O

Measure­ments

Motor and
Application
Control

Control
I/O

Control
I/O

Figure 4-1. The block diagram of Vacon NX inverter

IGBT
Inverter

=

3~

Gate
Drivers

Motor
Control
ASIC

Current
Sensors

Control
I/O

Motor

U
V
W

Output
EMC­filter

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technical data vacon • 13

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The control keypad constitutes a link between the user and the inverter. The control keypad is used
for parameter setting, reading status data and giving control commands. It is detachable and can be
operated externally and is connected via a cable to the inverter. Instead of the control keypad, a PC
can be used to control the inverter if connected through a similar cable (VACON RS232PC –1.5M).

The basic control interface and the parameters (the Basic Application) are easy to use. If a more
versatile interface or parameters are required, a more suitable application can be chosen from the
"All in One+" Application Package. See the "All in One+" Application Manual for more information on
the different applications.

Optional I/O expander boards that increase the number of inputs and outputs to be used are also
available. For more information, contact the Manufacturer or your local distributor (see back cover).

4

14 • vacon technical data

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4.2 Power ratings

4.2.1 Vacon NXI_xxxx 5 – Supply voltage 465-800 Vdc, Motor voltage 380—500 Vac

High overload = Max current IS, 2 sec/20 sec, 150% overloadability, 1 min/10 min

Following continuous operation at rated output current, 150 % rated output
current (IH) for 1 min, followed by a period of load current less than rated
current, and of such duration that the r.m.s output current, over the duty cycle,
does not exceed rated output current (IH)

Low overload = Max current IS, 2 sec/20 sec, 110% overloadability, 1 min/10 min

Following continuous operation at rated output current, 110% rated output
current (IL) for 1 min, followed by a period of load current less than rated
current, and of such duration that the r.m.s output current, over the duty cycle,
does not exceed rated output current (IL)

Frames FR4…7 are available as IP21 and FR8 as IP 00

Motor voltage 380-500 Vac, 50/60 Hz, 3~

Inverter type

Low High

Rated

continuo

us

current

I

(A)

L

NXI _0004 5 4.3 4.7 3.3 5 6.2 1.5 1.1 2.2 1.5 FR4 128x292x190/5 NXI _0009 5 9 9.9 7.6 11.4 14 4 3 5.5 4 FR4 128x292x190/5 NXI _0012 5 12 13.2 9 13.5 18 5.5 4 7.5 5.5 FR4 128x292x190/5 NXI _0016 5 16 17.6 12 18 24 7.5 5.5 11 7.5 FR6 195x519x237/16 NXI _0022 5 23 25.3 16 24 32 11 7.5 15 11 FR6 195x519x237/16 NXI _0031 5 31 34 23 35 46 15 11 18.5 15 FR6 195x519x237/16 NXI _0038 5 38 42 31 47 62 18.5 15 22 18.5 FR6 195x519x237/16 NXI _0045 5 46 51 38 57 76 22 18.5 30 22 FR6 195x519x237/16 NXI _0061 5 61 NXI _0072 5 72 79 61 92 122 37 30 45 37 FR7 237x591x257/29 NXI _0087 5 87 96 72 108 144 45 37 55 45 FR7 237x591x257/29 NXI _0105 5 105 116 87 131 174 55 45 75 55 FR7 237x591x257/29 NXI _0140 5 140 154 105 158 210 75 55 90 75 FR8 285x721x288/48

Table 4-1. Power ratings and dimensions of Vacon NX, supply voltage 465—800Vdc

Loadability Motor shaft power

513Vdc supply 675Vdc supply

10%

overload

current

(A)

Rated

continuou

s current

I

(A)

H

50%

overload

current

(A)

Max

current

I

S

10%

overload

40°C

P(kW)

50%

overload

50°C

P(kW)

10%

overload

40°C

P(kW)

67 46 69 92 30 22 37 30 FR7 237x591x257/29

50%

overload

50°C

P(kW)

Frame

Dimensions and

weight

WxHxD/kg

Note: The rated currents in given ambient temperatures are achieved only when the switching
frequency is equal to or less than the factory default.

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4.2.2 Vacon NXI_xxxx 6 – Supply voltage 640-1100 Vdc, Motor voltage 525—690 Vac

High overload = Max current IS, 2 sec/20 sec, 150% overloadability, 1 min/10 min

Following continuous operation at rated output current, 150 % rated output
current (IH) for 1 min, followed by a period of load current less than rated
current, and of such duration that the r.m.s output current, over the duty cycle,
does not exceed rated output current (IH)

Low overload = Max current IS, 2 sec/20 sec, 110% overloadability, 1 min/10 min

Following continuous operation at rated output current, 110% rated output
current (IL) for 1 min, followed by a period of load current less than rated
current, and of such duration that the r.m.s output current, over the duty cycle,
does not exceed rated output current (IL)

Frames FR4…7 are available as IP21 and FR8 as IP 00

Motor voltage 525-690 Vac, 50/60 Hz, 3~

Inverter type

Low High

Rated

continuous

current I

NXI _0004 6 4.5 5 3.2 5 6.7 3 2.2 FR6 195x519x237/16 NXI _0005 6 5.5 6.1 4.5 6.8 9 4 3 FR6 195x519x237/16 NXI _0007 6 7.5 8.3 5.5 8.3 11 5.5 4 FR6 195x519x237/16 NXI _0010 6 10 11 7.5 11.3 15 7.5 5.5 FR6 195x519x237/16 NXI _0013 6 13.5 14.9 10 15 20 11 7.5 FR6 195x519x237/16 NXI _0018 6 18 19.8 13.5 20.3 27 15 11 FR6 195x519x237/16 NXI _0022 6 22 24.2 18 27 36 18.5 15 FR6 195x519x237/16 NXI _0027 6 27 29.7 22 33 44 22 18.5 FR6 195x519x237/16 NXI _0034 6 34 37 27 41 54 30 22 FR6 195x519x237/16 NXI _0041 6 41 45 34 51 68 37.5 30 FR7 237x591x257/29 NXI _0052 6 52 57 41 62 82 45 37,5 FR7 237x591x257/29 NXI _0062 6 62 68 52 78 104 55 45 FR8 285x721x288/48 NXI _0080 6 80 88 62 93 124 75 55 FR8 285x721x288/48 NXI _0100 6 100 110 80 120 160 90 75 FR8 285x721x288/48

(A)

L

Loadability Motor shaft

930Vdc supply

10%

overload

current

(A)

Rated

continuou

s current

I

(A)

H

50%

overload

current

(A)

Max

current

I

S

10%

overload

40°C

P(kW)

power

50%

overload

50°C

P(kW)

Table 4-2. Power ratings and dimensions of Vacon NX, supply voltage 640—1100Vdc

Frame

Dimensions and weight

WxHxD/kg

Note: The rated currents in given ambient temperatures are achieved only when the switching
frequency is equal to or less than the factory default.

4

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4.3 Technical information

DC connection

Motor connection

Control characteristics

Ambient conditions

EMC
(at default
settings)
Safety

Input voltage Uin 465...800Vdc; 640...1100Vdc; –0%…+0% , the ripple voltage

of the inverter supply voltage generated during the
rectification of the fundamental frequency AC voltage must

be less than 50Vp-p.
Connection to DC supply Once per minute or less (normal)
Starting delay FR4–FR8: 2 s
Output voltage

Continuous output current

3 ~ 0 - U

IH: Ambient temperature max. +50°C,

overload 1.5 x I

: Ambient temperature max. +40°C,

I

L

overload 1.1 x I

/ 1.4

in

(1 min./10 min.)

H

(1 min./10 min.)

L

Starting torque IS for two seconds, depends on the motor Starting current IS for 2 s every 20 s Output frequency 0…320 Hz; 7200 Hz (special use) Frequency resolution Depends on application Control method Frequency control U/f

Open Loop Sensorless Vector Control

Closed Loop Frequency Control

Closed Loop Vector Control
Switching frequency
(see parameter 2.6.9)

NXI_xxxx 5: 1…16 kHz; Factory default 10 kHz

NXI_0072 and greater:

1…10 kHz; Factory default 3.6 kHz

NXI_xxxx 6: 1…6 kHz; Factory default 1.5 kHz
Frequency reference
Analogue input
Panel reference

Resolution 0.1% (10-bit), accuracy ±1%

Resolution 0.01 Hz Field weakening point 30…320 Hz Acceleration time 0…3000 sec Deceleration time 0…3000 sec Ambient operating temperature

–10°C (no frost)…+50°C: IH (FR10: max. +40ºC)

–10°C (no frost)…+40°C: I

L

Storage temperature –40°C…+70°C Relative humidity 0 to 95% RH, non-condensing, non-corrosive,

no dripping water
Air quality:

- chemical vapours

- mechanical particles

IEC 721-3-3, unit in operation, class 3C2

IEC 721-3-3, unit in operation, class 3S2 Altitude 100% load capacity (no derating) up to 1,000 m

1-% derating for each 100m above 1000.; max. 3000m Vibration EN50178/EN60068-2-6

5…150 Hz

Displacement amplitude 0,25 mm (peak) at 5…15.8 Hz

Max acceleration amplitude 1 G at 15.8…150 Hz
Shock
EN50178, EN60068-2-27

UPS Drop Test (for applicable UPS weights)

Storage and shipping: max. 15 G, 11 ms (in package) Enclosure class FR4…7 IP21/NEMA1 standard

FR8 IP 00 standard Immunity Fulfils all EMC standards

EN 50178 (1997), EN 60204-1 (1996), EN 60950 (2000, 3

rd

edition) (as relevant), CE, UL, CUL, FI, GOST R, IEC 61800-5;

(see unit nameplate for more detailed approvals)

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Control connections

Protections

Analogue input voltage

Analogue input current
Digital inputs (6) Positive or negative logic; 18…30VDC
Auxiliary voltage +24V, ±15%, max. 250mA
Output reference voltage +10V, +3%, max. load 10mA
Analogue output

Digital outputs Open collector output, 50mA/48V Relay outputs 2 programmable change-over relay outputs

Overvoltage trip limit
Undervoltage trip limit
Earth fault protection In case of earth fault in motor or motor cable, only the

Output phase supervision Trips if any of the output phases is missing
Overcurrent protection Yes
Unit overtemperature
protection
Motor overload protection Yes
Motor stall protection Yes
Motor underload
protection
Short-circuit protection of
+24V and +10V reference
voltages

Table 4-3. Technical information

0…+10V, R

Resolution 0.1%, accuracy ±1%

0(4)…20 mA, R

0(4)…20mA; R

Accuracy ±2%

Switching capacity 24VDC/8A, 250VAC/8A, 125VDC/0.4A

Min.switching load: 5V/10mA

NXI_5: 911VDC; NXI_6: 1200VDC

NXI_5: 333VDC; NXI_6: 460 VDC

inverter is protected

Yes

Yes

Yes

= 200kΩ, (–10V…+10V joystick control)

i

= 250Ω differential

i

max. 500Ω; Resolution 10bit;

L

Structure Inom (output) Motor cos Idc (input)

FR4

FR6

FR7

FR8

4.3 0.79 4.4
9 0.82 9.6

12 0.83 1.0 16 0.84 17.5 22 0.85 24.4 31 0.85 34.3 38 0.86 43 45 0.86 50 61 0.86 68 72 0.87 82

87 0.87 99 105 0.87 119 140 0.88 160

Table 4- 4 DC currents of Vacon NX, supply voltage 465 - 800Vdc

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Structure Inom (output) Motor cos Idc (input)

FR6

FR7

FR8

4,5 0,81 4,7
5,5 0,82 5,9

7,5 0,83 8,1 10,0 0,84 10,9 13,5 0,85 14,9 18,0 0,85 19,9

22, 0,86 24,6 27,0 0,86 30,2 34,0 0,86 38,1 41,0 0,87 46 52,0 0,87 59 62,0 0,87 70 80,0 0,88 92

100,0 0,88 115

Table 4- 5. DC currents of Vacon NX, supply voltage 640 - 1100Vdc

Structure

FR4 0003-0007
FR4 0009-0012

NXI_xxxx 5 / µF NXI_xxxx 6 / µF

165
235

FR6 1000 500 FR7 1650 900 FR8 3300 1800

Table 5- 1. DC-link capacitance by structure.

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5. INSTALLATION

5.1 Mounting

The inverter can be mounted in either a vertical or horizontal position on a wall or on the back plane
of a cubicle. Enough space must be reserved around the inverter to ensure sufficient cooling, see
Figure 5-6. You must follow the minimum dimensions for installation, see Table 5-6 and Table 5-7.
Also make sure that the mounting plane is relatively even.

The inverter is fixed with four screws (or bolts, depending on the unit size). The dimensions for
installation are presented in Figure 5-6 and Table 5-6.

Lift units bigger than FR7 out of the package using a jib crane. Ask the factory or your local
distributor for information on how to lift the unit safely.

The following pages show the dimensions for Vacon NX with a default enclosure in Figure 5-1, and
with flange mounting in Figures 5-2 and Figure 5-4. Dimensions for the opening needed in flange
mounting are given in Table 5-3 and Table 5-5.

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Ø

W2

D1

H1 H2

H3

W1

Ø

Figure 5-1. The dimensions of Vacon NX, IP21

W1 W2 H1 H2 H3 D1
NXI_0004—0012 5
NXI_0016—0045 5

NXI_0004—0034 6
NXI_0061—0105 5
NXI_0041—0052 6
NXI_0140 5
NXI_0062—0100 6

128 100 327 313 292 190 7 3 x 28.3

195 148 558 541 519 237 9 3 x 37

237 190 630 614 591 257 9 3 x 47

285 255 755 732 721 312 9 3 x 59

Table 5-1. Dimensions for different inverter types, IP21

E1Ø

Ø*

E2

fr5ip21.fh8

Dimensions [mm] Type

∅

E1∅

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W2

H4

D1

H5

D2

H1 H2

W1

Ø

H3

fr5ip21kaulus.fh8

Figure 5-2. Vacon NX dimensions, IP21 with flange, FR4 and FR6

Dimensions [mm] Type

W1 W2 H1 H2 H3 H4 H5 D1 D2
NXI_0004—0012 5 128 113 337 325 327 30 22 190 77 7
NXI_0016—0045 5
NXI_0004—0034 6

195 170 560 549 558 30 20 237 106 6.5

Table 5-2. Dimensions for inverter types FR4 and FR6, IP21 with flange

∅

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H2

Ø

W2

W1W3

H3

H1

Figure 5-3. The opening needed for flange mounting, FR4 and FR6

Dimensions [mm] Type

W1 W2 W3 H1 H2 H3 H4
NXI_0004—0012 5
NXI_0016—0045 5

NXI_0004—0034 6

123 113 – 315 325 – 5 6.5

185 170 157 539 549 7 5 6.5

Table 5-3. Dimensions for the opening for flange mounting, FR4 and FR6

H4

fr6aukko.fh8

∅

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H7

W4
W2

H6

D1

H4

D2

H3

H1 H2

H4

H5

W3

W1

Figure 5-4. Vacon NX dimensions, IP21 with flange, FR4 and FR6

Dimensions [mm] Type

W1 W2 W3 W4 H1 H2 H3 H4 H5 H6 H7 D1 D2

NXI_0061—0105 5
NXI_0041—0052 6
NXI_0140 5
NXI_0062—0100 6

237 175 270 253 652 632 630 188.5 188.5 23 20 257 117 5.5

285 – 355 330 755 – 745 258 265 43 57 288 110 9

Table 5-4. Dimensions for inverter types FR7 and FR8, IP21 with flange

fr7kaulusip21.fh8

∅

5

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H5

W1 W2

Ø

H2 H2

H1

Figure 5-5. The opening needed for flange mounting, FR7/FR8

Dimensions [mm] Type

W1 W2 W3 H1 H2 H3 H4 H5 H6

NXI_50061—0105
NXI_0041—0052 6
NXI_0140 5
NXI_0062—0100 6

233 175 253 619 188.5 188.5 34.5 32 7 5.5

301 – 330 810 258 265 – – – 9

Table 5-5. Dimensions for the opening for flange mounting, FR7/FR8

fr7aukko.fh8

H3

H4

H6

W3

∅

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A

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5.2 Fan cooling

5.2.1 Frames FR4 to FR8

Enough free space must be left around the inverter to ensure sufficient air circulation and cooling.
You will find the required dimensions for free space in the table below.

If several units are mounted on top of each other, the required free space equals C + D (see figure
below). Moreover, the outlet air used for cooling by the lower unit must be directed away from the air
intake of the upper unit. When planning the cooling for the space, take into consideration that the
inverter’s heat loss is 2.5% of the nominal capacity.

Type Dimensions [mm] A NXI_0004—0012 5 NXI_0016—0048 5

20
30

NXI_0004—0034 6
NXI_0061—0105 5

80

NXI_0041—0052 6
NXI_01405

80 150 80 300 200

NXI_0062—0100 6

Table 5-6. Mounting space dimensions

A2

B C D
20 100 50
20 160 80

80 300 100

C

B

B

A = clearance around the inverter (see also

A

= clearance needed on either side of the inverter for fan

2

and B)

2

change (without disconneting the motor cables)
** = min. clearance for fan change
B = distance from one inverter to another or distance to cabinet

wall
C = free space above the inverter
D = free space underneath the inverter

Type Greatest possible heat loss

(kW)

NXI_0004—0012 5 0,2 NXI_0016—0048 5

NXI_0004—0034 6
NXI_0061—0105 5

NXI_0041—0052 6

NXI_01405

NXI_0062—0100 6

1

0,75

1,9
1,2

3,3

2,25

Table 5-7. Required cooling air

A

A

2

A

A

2

D

Figure 5-6. Installation space

Cooling air required [m3/h)

70

425

425

650

NK5_2

5

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5.2.2 Power losses as function of switching frequency

Raising the switching frequency of the drive, to reduce motor noise for example, inevitably affects
the power losses and cooling requirements as shown in the Figure below. It illustrates the power
loss FR7 as function of switching frequency. For more information, contact the Manufacturer or your
local distributor (see back cover).

2500,00

2000,00

1500,00

P[W]

1000,00

500,00

0,00

0,00 2,00 4,00 6,00 8,00 10,00 12,00

NXI_0072 5 400V NXI_0072 5 500V NXI_0087 5 400V NXI 0087 5 500V
NXI_0105 5 400V

switching frequency [kHz]

NXI_0105 5 500V

Figure 5-7. Power loss as a function of switching frequency; NXI 0061…0105 5

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5