Honeywell NX Series User manual

Below you will find brief information for Variable Speed Drives NX series. This manual provides the necessary information about the installation, commissioning and operation of NX Frequency Converters. The Application Manual provides information about the different applications included in the standard frequency converter. It is recommended that the electronic version be used where possible as it contains several links and cross-references to other locations in the manual which makes it easier for the reader to move around in the manual, to check and find things faster.

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User's Manual

Honeywell

NX series

Constant and variable torque

Variable Speed Drives for induction motors

Subject to changes without notice

REFER TO THE START-UP QUICK GUIDE BELOWDURING INSTALLATION AND COMMISSIONING.

IF ANY PROBLEMS OCCUR, PLEASE CONTACT YOUR LOCAL DISTRIBUTOR .

Start-up Quick Guide

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

2. Read the safety instructions carefully in Chapter 1, before commencing commissioning.

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, mains cable, mains fuses and check the cable connections, read Chapters 6.1.1.1 – 6.1.1.4.

5. Follow the installation instructions, see Chapter 6.1.2.

6. Control cable sizes and the grounding system are explained in Chapter 6.2.1.

7. Select the most appropriate application from the Menu M6, page 6.1.

Instructions on using the keypad are given in Chapter 7.

8. Select the language of the keypad from the Menu M6, page 6.2. Instructions on using the keypad are given in Chapter 7.

9. All parameters have factory default values. In order 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 ϕ

All parameters are explained in the Application Manual.

10. Follow the commissioning instructions, see Chapter 8.

11. The NX_ Frequency Converter is now ready for use.

The Manufacturer is not responsible for the use of the frequency converters outside the instructions provided.

NX USER’S MANUAL

INDEX

1 SAFETY

3 RECEIPT OF DELIVERY

5 INSTALLATION

6 CABLING AND CONNECTIONS

8 COMMISSIONING

NX APPLICATION MANUAL

LOCAL/REMOTE CONTROL APPLICATION

MULTI-STEP SPEED CONTROL APPLICATION

PID CONTROL APPLICATION

MULTI-PURPOSE CONTROL APPLICATION

PUMP AND FAN CONTROL APPLICATION

4(86)

THE NX FREQUENCY CONVERTER USER'S MANUAL

AND THE APPLICATION MANUAL

The User's Manual will provide the necessary information about the installation, commissioning and operation of NX Frequency Converters. It is recommended that these instructions are studied, before powering up the frequency converter for the first time.

The Application Manual provides information about the different applications included in the standard frequency converter. Should these applications not meet the requirements of the process, contact Honeywell for information on special applications.

This manual is available in both paper and electronic editions. It is recommended that the electronic version be used where possible as it contains several links and cross-references to other locations in the manual which makes it easier for the reader to move around in the manual, to check and find things faster.

5(86)

NX User's Manual

Index

SAFETY.................................................................................................................................. 7

1.1

1.2

1.3

1.4

ARNINGS

...................................................................................................................................... 7

AFETY INSTRUCTIONS

.................................................................................................................... 7

ARTHING AND EARTH FAULT PROTECTION

........................................................................................ 8

UNNING THE MOTOR

...................................................................................................................... 8

EU DIRECTIVE....................................................................................................................... 9

2.1

2.2

2.2.1

2.2.2

2.2.3

2.2.4

MARKING

................................................................................................................................... 9

EMC

DIRECTIVE

.............................................................................................................................. 9

General ..................................................................................................................................... 9

Technical criteria ....................................................................................................................... 9

NX frequency converter EMC classification ............................................................................... 9

Manufacturer's declaration of conformity ................................................................................. 10

RECEIPT OF SHIPMENT..................................................................................................... 12

3.1

3.2

3.3

3.4

T YPE DESIGNATION CODE ............................................................................................................... 12

TORAGE

...................................................................................................................................... 12

M AINTENANCE ............................................................................................................................... 13

ARRANTY

................................................................................................................................... 13

TECHNICAL DATA .............................................................................................................. 14

4.1

4.2

4.2.1

4.3

I NTRODUCTION .............................................................................................................................. 14

P OWER RATINGS ........................................................................................................................... 16

NX5 – Mains voltage 380—500 V............................................................................................ 16

T ECHNICAL DATA ........................................................................................................................... 17

INSTALLATION.................................................................................................................... 19

5.1

5.2

5.3

5.3.1

M OUNTING .................................................................................................................................... 19

C OOLING ....................................................................................................................................... 25

P OWER LOSS ................................................................................................................................. 26

Power loss as function of switching frequency......................................................................... 26

CABLING AND CONNECTIONS ......................................................................................... 28

6.1

6.1.1

6.1.1.1

6.1.1.2

6.1.1.3

6.1.1.4

6.1.2

6.1.2.1

6.1.2.2

6.1.3

6.1.4

6.2

6.2.1

6.2.1.1

6.2.1.2

6.2.2

6.2.2.1

P OWER UNIT .................................................................................................................................. 28

Power connections .................................................................................................................. 30

Mains cable ...................................................................................................................... 30

Motor cable....................................................................................................................... 30

Control cable .................................................................................................................... 30

Cable and fuse sizes ........................................................................................................ 31

Installation instructions ............................................................................................................ 32

Stripping lengths of motor and mains cables..................................................................... 34

NX frequency converter frames and installation of cables................................................. 35

Cable installation and the UL standards .................................................................................. 39

Cable and motor insulation checks .......................................................................................... 39

ONTROL UNIT

.............................................................................................................................. 40

Control connections................................................................................................................. 40

Control cables................................................................................................................... 42

Galvanic isolation barriers................................................................................................. 42

Control terminal signals ........................................................................................................... 43

Digital input signal inversions............................................................................................ 44

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6.2.2.2

Jumper selections on the NXOPTA1 basic board ............................................................. 44

CONTROL KEYPAD ............................................................................................................ 46

7.1

7.1.1

7.1.2

7.1.3

7.1.4

7.2

7.2.1

7.3

7.3.1

7.3.2

7.3.3

7.3.3.1

7.3.3.2

7.3.3.3

7.3.4

7.3.4.1

7.3.4.2

7.3.4.3

7.3.5

7.3.6

7.3.6.1

7.3.6.2

7.3.6.3

7.3.6.4

7.3.6.5

7.3.6.6

7.3.6.7

7.3.6.8

7.3.6.9

7.3.7

7.4

I NDICATIONS ON THE K EYPAD DISPLAY ............................................................................................ 46

Drive status indications............................................................................................................ 46

Control place indications ......................................................................................................... 47

Status LEDs (green – green – red) .......................................................................................... 47

Text lines................................................................................................................................. 48

K EYPAD PUSH BUTTONS ................................................................................................................ 49

Button descriptions.................................................................................................................. 49

N AVIGATION ON THE CONTROL KEYPAD ........................................................................................... 50

Monitoring menu (M1) ............................................................................................................. 52

Parameter menu (M2) ............................................................................................................. 53

Keypad control menu (M3) ...................................................................................................... 56

Selection of control place.................................................................................................. 56

Keypad reference ............................................................................................................. 57

Keypad direction ............................................................................................................... 57

Active faults menu (M4)........................................................................................................... 58

Fault types ........................................................................................................................ 58

Fault codes ....................................................................................................................... 60

Fault time data record....................................................................................................... 62

Fault history menu (M5)........................................................................................................... 63

System menu (M6) .................................................................................................................. 64

Application selection ......................................................................................................... 67

Language selection........................................................................................................... 67

System settings ................................................................................................................ 68

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

Parameter copy ................................................................................................................ 73

Parameter comparison ..................................................................................................... 75

Information submenu ........................................................................................................ 76

Counters menu ................................................................................................................. 77

Trip counters submenu ..................................................................................................... 78

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

F URTHER KEYPAD FUNCTIONS ........................................................................................................ 80

COMMISSIONING ................................................................................................................ 81

8.1

8.2

S AFETY ......................................................................................................................................... 81

C OMMISSIONING OF THE FREQUENCY CONVERTER ........................................................................... 81

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

Safety

1. SAFETY

ONLY A COMPETENT ELECTRICIAN SHOULD CARRY OUT

THE ELECTRICAL INSTALLATION

1.1 Warnings

WARNING

The components of the power unit of the frequency converter are live when the NX is connected to mains potential. Contact with this voltage

is extremely dangerous and may cause death or severe injury. The control unit is isolated from the potential.

The motor terminals U, V, W and the DC-link/brake resistor terminals –/+ are live when the NX is connected to mains, 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 a dangerous control voltage present even when the NX is disconnected from mains.

The frequency converter has a large capacitive leakage current.

If the frequency converter 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 Honeywell can be used.

7(86)

The NX frequency converter is meant for fixed installations only.

Do not perform any measurements when the frequency converter is connected to the mains.

After disconnecting the frequency converter from the mains, wait until the fan stops and the indicators on the keypad extinguish. (if no keypad is attached see the indicators on the cover). Wait 5 more minutes before doing any work on the NX connections. Do not even open the cover before this time has expired.

Do not perform any voltage withstand tests on any part of the NX. There is a defined procedure for making this test. Ignoring this procedure may result in damage to the frequency converter.

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

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

Before connecting the frequency converter to mains, ensure that the frequency converter front and cable covers are closed.

8(86) Safety

1.3 Earthing and earth fault protection

The NX frequency converter must always be earthed via a conductor connected to the earthing terminal .

The earth fault protection inside the frequency converter protects only the converter itself against earth faults in the motor or the motor cable.

If fault current protective switches (e.g. RCD or Earth Leakage devices) are to be used in conjunction with the frequency converter, they must be tested with earth fault currents that are possible to arise in 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:

= Dangerous voltage

WARNING = General warning

MOTOR RUN CHECK LIST

1 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.

WARNING

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

3 Before reversing the motor shaft rotation direction make sure that this can be done safely.

4 Ensure that no power correction capacitors are connected to the motor cable.

5 Ensure that the motor terminals are not connected to mains potential.

Receipt of delivery 9(86)

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 meets the various requirements defined by the directive.

The NX frequency converters carry the CE label as a proof of compliance with the Low Voltage

Directive (LVD) and the Electro Magnetic Compatibility (EMC). The company SGS FIMKO has acted as the Competent Body.

2.2.1 General

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

The compliance of the NX frequency converters with the EMC directive is verified with Technical

Construction Files (TCF) checked and approved by SGS FIMKO, which is a Competent Body . The

Technical Construction Files are used to authenticate the comformity of the NX frequency converters with the Directive due to the large product family & variety of installations possibilities.

2.2.2 Technical criteria

The NX frequency converters are marketed throughout the world, a fact which makes the EMC requirements of customers different. As far as the immunity is concerned, all NX frequency converters are designed to fulfil even the strictest requirements, while as regards the emission level, the customer may want to upgrade the NX's already high ability to filter electro-magnetic disturbances.

2.2.3 NX frequency converter EMC classification

The NX frequency converters are divided into three classes, according to the level of electromagnetic disturbances emitted. There is no difference in the functions or the control electronics between these classes but their EMC properties vary as follows:

Class H:

All Vacon NX frequency converters have been designed to fulfil the requirements of the product standard EN61800-3 for the 1st environment restricted distribution and the 2nd

environment.

The emission levels correspond to the requirements of EN50081-2.

Class L:

The customer has the possibility to upgrade the EMC-disturbance filtering level of the product by ordering the frequency converter with external EMC filters. In such case, the frequency converter complies with the generic standards EN 50081-1, EN 50081-2 and EN 61800-3, 2nd

environment (restricted distribution).

10(86) Receipt of delivery

Class T:

The T-class converters have a small earth current and can be used with IT supplies only. If they are used with other supplies no EMC requirements are complied with.

Class N:

The drives of this class do not provide EMC emission protection. This kind of drives are mounted in enclosures.

All NX frequency converters fulfil all EMC immunity requirements (standards EN 50082-1,

50082-2 and EN 61800-3).

Warning: This is a product of the restricted sales distribution class according to IEC 61800-

3. In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures.

2.2.4 Manufacturer's declaration of conformity

The following pages present the photocopies of the Manufacturer's Declarations of Conformity assuring the compliance of the NX frequency converters with the EMC-directives.

Receipt of delivery

EU DECLARATION OF CONFORMITY

We

Manufacturer's name:

Vacon Oyj

Manufacturer's address: P.O.Box 25

Runsorintie 7

FIN-65381 Vaasa

Finland hereby declare that the product

Product name:

Model designation:

NXS Frequency converter

NXS 0003…. to NXS 0205….

has been designed and manufactured in accordance with the following standards:

Safety:

EMC:

EN50178 (1995), EN60204-1 (1996)

EN50082-2 (1995), EN61800-3 (1996) and conforms to the relevant safety provisions of the Low Voltage Directive

(73/23/EEC) as amended by the Directive (93/68/EEC) and EMC

Directive 89/336/EEC.

It is ensured through internal measures and quality control that the product conforms at all times to the requirements of the current Directive and the relevant standards.

In Vaasa, 21st of May, 2001

Veijo Karppinen

Managing Director

The year the CE marking was affixed: 2001

11(86)

12(86) Receipt of shipment

3. RECEIPT OF SHIPMENT

The NX frequency converters have undergone rigorous tests and quality checks at the factory before delivery. However, after unpacking the product, check that no signs of transport damages are to be found on the product and that the delivery is complete (compare the type designation of the product to the code below, Figure 3-1.

Should the drive have been damaged during the shipping, contact the carrier and or distributor.

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

3.1 Type designation code

NXS 0000 V 3 5 A 2 C 1

Brake chopper

0 = no brake chopper

1 = internal brake chopper

2 = internal brake chopper and resistor

EMC emission level:

H = fulfils standard IEC 61800-3 (Am 1 industrial level), 1st environment restricted distribution, 2nd environment

T = fulfils standard IEC 61800-3 (Am 1 commercial level) for IT networks

C = fulfils standards EN50081-1, -2 and EN61800-3

Enclosure class:

0 = IP00, 2 = IP21 (Nema 1), 5 = IP54 (Nema 12)

Control panel:

A = standard (alpha-numeric)

B = neutral (no local control panel)

C = special (special switches, potentiometer etc.)

D = dummy panel

Voltage (3-phase):

2 = 208–240Vac, 5 = 380–500Vac, 6 = 525–690Vac (All 3-phase)

Phase:

1 = 1-phase, 3 = 3-phase

Voltage

Motor current (low overload)

0007 = 7 A, 0022 = 22 A, 0205 = 205 A etc.

Product series: NXS = standard, NXP = high-performance

Figure 3-1. NX type designation code

3.2 Storage

If the frequency converter is to be kept in store ensure that the ambient conditions are acceptable:

Storing temperature –40…+70 ° C

Relative humidity <95%, no condensation

Receipt of shipment 13(86)

3.3 Maintenance

In normal conditions, the NX frequency converters are maintenance-free. However, it is recommended the heatsink be cleared periodically with compressed air.The cooling fan can easily be changed if necessary.

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, incorrect 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 period of warranty is 36 months from the delivery or 24 months from the commissioning whichever expires first (General Conditions NL92/Orgalime S92).

The local distributor may grant a warranty time different from the above. This warranty period shall be specified in the distributor's sales and warranty terms. The manufacturer assumes no responsibility for warranties offered by others.With all warranty issues, please contact the distributor first.

14(86) Technical data

4.1 Introduction

Figure 4-1 presents the block diagram of the NX frequency converter. The frequency converter consists of two units, the Power Unit and the Control Unit.

The three-phase AC-choke (1) at the mains end together with the DC-link capacitor (2) form an

LC-filter, which, again, together with the diode bridge produce the DC-voltage supply to the IGBT

Inverter Bridge (3) block. The AC-choke also functions as a filter against High Frequency disturbances from the mains as well as against those caused by the frequency converter to the mains. It, in addition, enhances the waveform of the input current to the frequency converter. The entire power drawn by the frequency converter from the mains is active power.

The IGBT Inverter Bridge produces a symmetrical, 3-phase PWM-modulated AC-voltage to the motor.

The Motor and Application Control Block is based on microprocessor software. The microprocessor controls the motor basing 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.

Brake resistor*

Power module

Mains

L 1

L 2

L 3

Integrated input module

Rectifier

Charg.res.

Brake

Chopper*

IGBT

Inverter

Current

Sensors

Motor

Output

EMCfilter

Fan

Power

Supply

Measurements

Gate

Drivers

Voltage

Sensors

NXP

Control

Keypad

Motor and

Application

Control

Motor

Control

ASIC

Control module

Control

I/O

Control

I/O

Control

I/O

Control

I/O

Control

I/O

NK4_1

*Brake resistor is available as optional equipment for all classes (FR4 to FR8).

However, the brake resistor can be installed internally in classes FR4 to FR6 and is installed externally in classes FR7 and greater.

Brake chopper belongs to the standard equipment in classes FR4 to FR6, while in greater classes

(FR7/FR8) it is optional.

Figure 4-1. NX block diagram

Technical data 15(86)

The control keypad provides a link between the user and the frequency converter. The control keypad is used for parameter setting, reading status data and giving control commands. It is detachable and can be operated externally and connected via a cable to the frequency converter.

Also a PC can be used instead of the control keypad, to control the frequency converter, if connected through a similar cable.

Control I/O boards which are either isolated (NXOPTA8) or not isolated (NXOPTA1) from the ground are available.

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

Application Package. See the Application Manual for more information on the different applications.

A brake resistor is available as external or internal option for sizes FR6 and smaller and as external option for FR7 and bigger. Optional I/O expander boards that increase the number of inputs and outputs to be used are also available. For details please contact your nearest

Honeywell office or your local distributor (see back cover).

The input and output EMC filters have no influence on the basic functions of the frequency converter. They are, however, necessary for the fulfilment of the EMC directives.

16(86) Technical data

4.2.1 NX5 – Mains voltage 380—500 V

High overload = 200% starting torque, 2 sec/20 sec, 150% overloadability, 1 min/10 min

Low overload = 150% starting torque, 2 sec/20 sec, 110% overloadability, 1 min/10 min

All sizes up to and including FR8 available with IP21 enclosure and IP54 as option.

Mains voltage 380-500 V, 50/60 Hz, 3~

Frequency converter type

NXS 0003

NXS 0004

NXS 0005

NXS 0007

NXS 0009

NXS 0012

NXS 0016

NXS 0022

NXS 0031

NXS 0038

NXS 0045

NXS 0061

NXS 0072

NXS 0087

NXS 0105

NXS 0140

NXS 0168

NXS 0205

Low

Rated current I

10% continuous overload current

(A) (A)

3,1

4,0

5,4

105

140

168

205

Loadability

13,2

3,5

4,4

7,7

108

131

158

210

252

Rated

Continuous current I

(A)

2,2

High

50% overload current

(A)

3,5

3,1

5,4

105

140

168

108

4,4

7,7

13,2

131

158

210

252

Motor shaft power

380V supply 500V supply

10% 50% 10% 50% overload overload overload overload

40 deg C 50 deg C 40 deg C 50 deg C

P (kW) P (kW) P (kW) P (kW)

0,75

1,1

1,5

2,2

5,5

7,5

18,5

5,5

7,5

18,5

1,1

1,5

2,2

110

5,5

7,5

18,5

1,1

1,5

2,2

110

7,5

18,5

1,5

2,2

5,5

110

132

Mechanical size

Enclosure and protection class

Dimensions

WxHxD

FR4/IP21, IP54 128x292x190

FR5/IP21, IP54 144x391x214

FR6/IP21, IP54 195x519x237

FR7/IP21, IP54 237x591x257

FR8/IP21, IP54 285x721x288

Table 4-1. Power ratings and dimensions of the NX, supply voltage 380—500V.

Weight

8,1

18,5

Technical data

Mains connection

Motor connection

Input voltage U in

208...240 V; 380...500 V; 525...690 V; -15%...+10%

Input frequency

Connection to mains

45...66 Hz

Once per minute or less (normal case)

Output voltage 0—U in

Continuous output current I

: Ambient temperature max. +50ºC,

overload 1.5 x I

(1min/10min)

: Ambient temperature max. +40ºC,

overload 1.1 x I

(1min/10min)

Control characteristrics

Starting torque

Starting current

Output frequency

Frequency resolution

Control method

Switching frequency

(See parameter 2.6.9)

150% (Low overload); 200% (High overload)

2.5 x I

2 secs every 20 secs, if output frequency <30Hz and temperature of heatsink <+60ºC (up to 400 kW)

0...320 Hz (NXS); 7200 Hz (Special)

0.01 Hz (NXS); Application dependent (NXP)

Frequency Control U/f

Open Loop Sensorless Vector Control

Closed Loop Frequency Control

Closed Loop Vector Control (NXP only)

Up to and including NX 0061:

1...16 kHz; Factory default 10 kHz

From NX 0072:

1...10 kHz; Factory default 3.6 kHz

Ambient conditions

Frequency reference

Analogue input

Panel reference

Field weakening point

Acceleration time

Deceleration time

Braking torque

Ambient operating temperature

Storage temperature

Relative humidity

Resolution 0.1% (10bit), accuracy ±1%

Resolution 0.01 Hz

30...320 Hz

0...3000 sec

DC-brake: 30%*T

(without brake option)

–10ºC (no frost)... +50ºC: I

–10ºC (no frost)... +40ºC: I

–40ºC...+70ºC

0 to 95% RH, non-condensing, non-corrosive, no dripping water

Air quality:

- chemical vapours

- mechanical particles

Altitude

Vibration

(IEC 721-3-3, EN50178/

EN60068-2-6, IEC68-2-6

(68-2-34, -35, -36)

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

IEC 721-3-3, unit in operation, class 3S2

100% load capacity (no derating) up to 1000m

1-% derating for each 100m above 1000m; max. 3000m

5...200 Hz

Displacement amplitude 3 mm at 5...10.7 Hz

Max acceleration amplitude 0.7 G at 10.7...200 Hz

Shock

EN50178, IEC 68-2-27

Enclosure class

UPS Drop Test (for applicable UPS weights)

Storage and shipping: max 15 G, 11 ms (in package)

IP21/NEMA1 standard in entire kW/HP range

IP54/NEMA12 option in entire kW/HP range

Note! Keypad installation required for IP54

Table 4-2. Technical data (continues on next page)

17(86)

18(86) Technical data

EMC Immunity

Emissions

Fulfil all EMC immunity requirements

EMC level H: EN50082-2, EN61800-3 (1st environment, restricted use; 2nd environment)

Safety

Control connections

EN50178, EN60204-1, CE, UL, cUL, FI,

GOST R , IEC 61800-5

(see unit nameplate for more detailed approvals)

Analogue input voltage

Digital outputs

Relay outputs

0...+10V, Ri = 200k

Ω

, (–10V...+10V joystick control)

Analogue input current

Digital inputs (6)

Auxiliary voltage

Resolution 0.1%, accuracy ±1%

0(4)…20mA, R i

= 250

Ω

differential

Positive or negative logic; 18…24 Vdc

+24V, ±15%, max. 250mA

Output reference voltage +10 V, +3 %, max. load 10 mA

Analogue output 0(4)…20mA; R

max 500

Ω

, Resolution 10 bit, Accur. ±2%

Open collector output, 50mA/48V

2 programmable change over relay outputs

Max. switching voltage 125Vdc/250Vac

Max. switching current 6A/24Vdc, 0.4A/250 Vac

Max. continuous current 2 A rms

Protections Overcurrent protection Trip limit 4.0 * I

H instantaneously

Overvoltage protection

Undervoltage protection

NX_2: 437V; NX_5: 911V; NX_6: 1200V (all VDC)

NX_2: 183V; NX_5: 333V; NX_6: 461V (all VDC)

In case of earth fault in motor or motor cable, only Earth-fault protection

Mains supervision the frequency converter is protected

Trips if any of the input phases is missing

Motor phase supervision Trips if any of the output phases is missing

Unit overtemperature protection

Yes

Yes Motor overload protection

Motor stall protection

Motor underload

Yes

Yes protection

Short-circuit protection of +24V and +10V reference voltages

Yes

Table 4-2. Technical data

Installation 19(86)

5. INSTALLATION

5.1 Mounting

The frequency converter can be mounted in either vertical or horizontal position on the wall or on the back plane of a cubicle. Enough space shall be reserved around the frequency converter in order to ensure a sufficient cooling, see Figure 5-6, Table 5-6 and Table 5-7. For safe installation, ensure that the mounting surface is relatively even.

The frequency converter should be fixed with four screws (or bolts, depending on the unit size).

The dimensions of 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.

Below are the dimensions of the NX frequency converters with IP21 enclosure in Figure 5-1 and with IP21 for collar installation in Figure 5-2. The dimensions of the opening needed in collar installation are given in Table 5-3 and Table 5-5.

20(86)

Installation

H1 H2

Figure 5-1. NX dimensions, IP21 fr5ip21.fh8

Type

W1 W2 H1 H2

Dimensions

H3 D1

0004—0015 NX2

0003—0012 NX5

0005—0019 NX6

0018—0032 NX2

0016—0031 NX5

0022—0035 NX6

0048—0092 NX2

0038—0061 NX5

0042—0085 NX6

0120—0150 NX2

0072—0105 NX5

0085—0122 NX6

0140—0205 NX5

128

144

195

237

285

100

148

190

255

327

419

558

630

755

313

406

541

614

732

292

391

519

591

721

190

214

237

257

288

Table 5-1. Dimensions for different frequency converter types, IP21

∅

3 x 28,3

∅

2 x 37 1 x 28,3

3 x 37

3 x 47

3 x 59

H1 H2

Installation

Figure 5-2. NX dimensions, IP21 with collar, FR4 to FR6 fr5ip21kaulus.fh8

Type Dimensions

W1 W2 H1 H2 H3 H4 H5 D1 D2

∅

0004—0015 NX_2

0003—0012 NX_5

0005—0019 NX_6

0018—0032 NX_2

0016—0031 NX_5

0022—0035 NX_6

0048—0092 NX_2

0038—0061 NX_5

0042—0085 NX_6

128 113 337 325 327 30 22 190 77

144 120 434 420 419 36 18 214 100

195 170 560 549 558 30 20 237 106 6.5

Table 5-2. Dimensions for different frequency converter types FR4 to FR6, IP21 with collar

21(86)

22(86)

Installation

W2 W1

Figure 5-3. The opening needed for the collar installation, FR4 to FR6 fr6aukko.fh8

Type

W1 W2 W3 H1 H2

0004—0015 NX_2

0003—0012 NX_5

0005—0019 NX_6

0018—0032 NX_2

0016—0031 NX_5

0022—0035 NX_6

0048—0092 NX_2

0038—0061 NX_5

0042—0085 NX_6

123 113

135 120

–

315 325

410 420

185 170 157 539 549

Table 5-3. Dimensions for the collar opening, FR4/FR5

H3 H4

–

∅

6.5

Installation 23(86)

H1 H2

H5 fr7kaulusip21.fh8

Figure 5-4. NX dimensions, IP21 with collar, FR7 and FR8

Type

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

∅

0120—0150 NX_2

0072—0105 NX_5 237 175 270 253 652 632 630 188.5 188.5 23 20 257 117 5.5

0085—0122 NX_6

0140—0205 NX_5 285 – 355 330 832 – 745 258 265 43 57 288 110 9

Table 5-4. Dimensions for different frequency converter types FR7 and FR8, IP21 with collar

24(86)

W1 W2

H5 H2

Installation

H3 H4

Ø fr7aukko.fh8

Figure 5-5. The opening needed for the collar installation, FR7/FR8

Type

W1 W2 W3 H1 H2 H3 H4 H5 H6

0120—0150 NX_2

0072—0105 NX_5

0085—0122 NX_6

0140—0205 NX_5

233 175 253 619 188.5

188.5

34.5

301 – 330 810 258

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

265 – –

–

∅

5.5

Installation 25(86)

5.2 Cooling

Enough free space should be left around the frequency converter to ensure sufficient air circulation and cooling. The required dimensions for free space are in the table below.

If several units are mounted above 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 inlet air to be used by the upper unit.

Type

0003—0012 NX_5

0016—0031 NX_5

0038—0061 NX_5

0072—0105 NX_5

0140—0205 NX_5

Dimensions

100

120

160

300 100

200

(150*)

80 300 200

Table 5-6. Mounting space dimensions

A = clearance around the freq. converter (see also A

and B)

= clearance needed on either side of the frequency converter for fan change (without disconneting the motor cables)

* = min. clearance for fan change (without disconnecting the motor cables) between two frequency converters

B = distance from one frequency converter to another or distance to cabinet wall

C = free space above the frequency converter

D = free space underneath the frequency converter

NK5_2

Figure 5-6. Installation space

Type

0004—0015 NX_2

0003—0012 NX_5

0005—0019 NX_6

0018—0032 NX_2

0016—0031 NX_5

0022—0062 NX_6

0048—0078 NX_2

0038—0061 NX_5

0085 NX_6

0092—0150 NX_2

0072—0105 NX_5

0140—0205 NX_5

0100—0122 NX_6

Table 5-7. Required cooling air.

Cooling air required [m

/h)

190

425

650

26(86) Installation

5.3.1 Power loss as function of switching frequency

If the operator wants to raise the switching frequency of the drive for some reason (typically e.g. in order to reduce the motor noise), this inevitably affects the output power reducing it according to the graphs below.

200,00

180,00

160,00

140,00

120,00

100,00

80,00

60,00

40,00

20,00

0,00

0,00 2,00 4,00

0003NX5 400V

0009NX5 400V

6,00 8,00

Switching frequency [kHz]

10,00

0004NX5 400V

0012NX5 400V

0005NX5 400V

12,00 14,00

0007NX5 400V

16,00

Figure 5-7. Power loss as function of switching frequency; 0003…0012NX5

900,00

800,00

700,00

600,00

500,00

400,00

300,00

200,00

100,00

0,00

0,00 2,00 4,00

0016NX5 400V

0031NX5 400V

6,00 8,00

Switching frequency [kHz]

10,00

0016NX5 500V

0031NX5 500V

0022NX5 400V

12,00 14,00

0022NX5 500V

16,00

Figure 5-8. Power loss as function of switching frequency; 0016…0031NX5

Installation

1400,00

1200,00

1000,00

800,00

600,00

400,00

200,00

0,00

0,00 2,00 4,00

0038NX5 400V

0061NX5 400V

6,00 8,00 10,00

Switching frequency [kHz]

0038NX5 500V

0061NX5 500V

12,00

0045NX5 400V

14,00 16,00

0045NX5 500V

Figure 5-9. Power loss as function of switching frequency; 0038…0061NX5

2500,00

2000,00

1500,00

1000,00

500,00

0,00

0,00 2,00

0072NX5 400V

0105NX5 400V

4,00 6,00

Switching frequency [kHz]

0072NX5 500V

0105NX5 500V

8,00

0087NX5 400V

10,00

0087NX5 500V

12,00

Figure 5-10. Power loss as function of switching frequency; 0072…0105NX5

27(86)

28(86) Cabling and connections

The following wiring diagrams show the mains and motor connections of the frequency converter.

Power board

L1 L2 L3 B-

B+ RU V W

(option)

External

RFI-filter

(option)

L1* L2* L3

External filter

(option)

3~ nk6_1.fh8

Figure 6-1. Principal wiring diagram of NX5 power unit, FR4 to FR6

*When using 1-phase supply, connect the cables to terminals L1 and L2.

Cabling and connections

Power board

29(86)

L1 L2 L3 BB+ RU V W

(option)

External

RFI-filter

(option)

L1* L2* L3

External filter

(option)

3~ nk6_2.fh8

Figure 6-2. Principal wiring diagram of NX5 power unit,

≥

FR7

*When using 1-phase supply, connect the cables to terminals L1 and L2.

30(86) Cabling and connections

6.1.1 Power connections

Use cables with heat resistance of at least +60 ° C. The cables and the fuses must be dimensioned according to the frequency converter nominal OUTPUT current which can be found on the rating plate. Dimensioning according to the output current is recommended because the frequency converter input current never significantly exceeds the output current. Installation of cables according to UL regulations is presented in Chapter 6.1.3.

Table 6-2 shows the minimum dimensions of the Cu-cables and the corresponding GG/GL fuse sizes. The dimensions of the fuses in the table have been given taking their function as a cable overload protection into account.

If the motor temperature protection of the drive (see the Application Manual) is used as an overload protection, the cable shall be chosen accordingly. If three or more cables are used in parallel for bigger units each cable requires a separate overload protection.

These instructions apply only to cases with one motor and one cable connection from the frequency converter to the motor. In any other case, ask the factory for more information.

Mains cables for different EMC levels in Table 6-1.

Motor cables for different EMC levels in Table 6-1.

For information on control cables see Chapter 6.2.1.1 and Table 6-1.

Cable type

Mains cable

Motor cable

Level H

Control cable 4

Table 6-1. Cable types required to meet standards.

Level H = EN 61800-3, 1st environment

EN 50081-2

1 = Power cable intended for fixed installation and the specific mains voltage. Shielded cable not required.

(NNCABLES/MCMK or similar recommended)

2 = Power cable equipped with concentric protection wire and intended for the specific mains voltage.

(NNCABLES /MCMK or similar recommended).

3 = Power cable equipped with compact low-impedance shield and intended for the specific mains voltage.

(NNCABLES /MCCMK, SAB/ÖZCUY-J or similar recommended).

4 = Screened cable equipped with compact low-impedance shield (NNCABLES /jamak, SAB/ÖZCuY-O or similar).

Cabling and connections

6.1.1.4 Cable and fuse sizes

Frame

FR4

FR5

FR6

Type

0003—0009

0012

0016

0022

0031

0038—45

[A]

3—9

38—45

FR6

FR7

0061

0072

0087

0105

105

FR8

0140

0168

0205

140

168

205

Table 6-2. Cable and fuse sizes for NX5

160

200

250

100

125

Fuse

[A]

Mains and motor cable

Cu [mm

]

3*1.5+1.5

3*2.5+2.5

3*4+4

3*6+6

3*10+10

3*16+16

3*25+16

3*35+16

3*50+25

3*70+35

3*95+50

3*150+70

Main terminal

[mm

]

1—4

1—10

2.5—50 Cu

6—50 Al

2.5—50 Cu

6—50 Al

2.5—50 Cu

6—50 Al

2.5—50 Cu

6—50 Al

2.5—50 Cu

6—50 Al

25—95 Cu/Al

95—185 Cu/Al

Terminal cable size

Earth terminal

[mm

]

1—2.5

1—10

6—35

6—70

25—95

31(86)

32(86) Cabling and connections

6.1.2 Installation instructions

Before starting the installation, check that none of the components of the frequency converter are live.

If the frequency converter is installed outside either a switchgear, separate cubicle or electrical room, it must be equipped with a protection cover (see e.g. Figure 6-4) as provided by the regulations for IP21 protection class. For installations in a switchgear, separate cubicle or electrical room, the cable protection plate is normally not necessary.

Place the motor cables sufficiently far from other cables:

Avoid placing the motor cables in long parallel lines with other cables

If the motor cables runs in parallel with other cables, note the

minimum distances between the motor cables and other cables given in the table below.

The given distances also apply between the motor cables and signal cables of other systems.

The maximum length of the motor cables is 300 m (level H, units with power greater than 1.5 kW) and 100 m (units with power from 0.75 to 1.5 kW).

The degrees.

Distance between cables

Shielded cable

[m]

0.3

1.0

[m]

≤ 50

≤ 200

4 If cable insulation checks are needed, see Chapter 6.1.4.

Continues on the next page

Cabling and connections 33(86)

5 Connect the cables:

Strip the motor and mains cables as advised in Table 6-3 and

Figure 6-3.

Remove the screws of the cable protection plate.

Make holes into and pass the cables through the rubber grommets on the bottom of the power unit (see e.g. Figure 6-7).

Connect the mains, motor and control cables into their respective terminals (see e.g. Figure 6-7).

For information on the installation of larger units, please contact your local distributor.

For Information on cable installation according to UL

regulations see Chapter 6.1.3.

Ensure that the control cable wires do not come in contact with the electronic components of the unit.

If external brake resistor (option) is used, connect its cable to the appropriate terminal.

Check the connection of the earth cable to the motor and the frequency converter terminals marked with .

Connect separate shield of the power cable to the earth terminals of the frequency converter, motor and the supply centre.

Attach the cable protection plate with the screws.

Ensure that the control cables or the cables of the unit are not

trapped between the frame and the protection plate.

34(86) Cabling and connections

6.1.2.1 Stripping lengths of motor and mains cables

Earth conductor

D1 B2

MAINS

Figure 6-3. Stripping of cables

Frame

FR4

FR5

FR6

FR7

FR8

0140

0168—0205

120

240

Table 6-3. Cables stripping lengths [mm]

120

240

MOTOR nk6141.fh8

120

240

120

240

Cabling and connections 35(86)

6.1.2.2 NX frequency converter frames and installation of cables

Note: To connect an external brake resistor, see separate Brake Resistor Manual. See also Chapter

Internal brake resistor connection (P6.3.3) on page 69 in this manual.

Figure 6-4. NX, FR4

Mains cable

DC-terminals Brake resistor terminals

Earth terminals

Motor cable

Figure 6-5. Cable installation in NX, FR4

36(86) Cabling and connections

Figure 6-6. NX, FR5. Protection class IP21

DC terminals

Brake resistor terminals

Earth terminals

Motor cable Mains cable

Figure 6-7. Cable installation in NX, FR5

Cabling and connections 37(86)

Figure 6-8. NX, FR6. Protection class IP21.

Mains cable

Brake resistor

DC terminals terminals

Earth terminals

Earth

Motor cable

Figure 6-9. Cable installation in NX, FR6

38(86) Cabling and connections

Figure 6-10. NX, FR7. Protection class IP21.

Mains cable

Brake resistor terminals terminals

Earth terminals

Motor cable

Figure 6-11. Cable installation in NX, FR7

Cabling and connections 39(86)

6.1.3 Cable installation and the UL standards

To meet the UL ( Underwriters Laboratories ) regulations, a UL-approved copper cable with a minimum heat-resistance of +60/75 ° C must be used.

The tightening torques of the terminals are given in Table 6-4.

Type

NX5 0003—0012

NX5 0016—0031

NX5 0038—0061

NX5 0072—0105

NX5 0140

NX5 0168—0205

Frame

FR4

FR5

FR6

FR7

FR8

Tightening torque

[Nm]

0.5—0.6

1.2—1.5

20/9*

40/22*

Table 6-4. Tightening torques of terminals

* Tightening torque of terminal connection to the isolative base in Nm/in-lbs.

Tightening torque in-lbs.

4—5

10—13

170/76*

340/187*

6.1.4 Cable and motor insulation checks

1. Motor cable insulation checks

Disconnect the motor cable from terminals U, V and W of the frequency converter and from the motor. Measure the insulation resistance of the motor cable between each phase conductor as well as between each phase conductor and the protective ground conductor.

The insulation resistance must be >1M

Ω

2. Mains cable insulation checks

Disconnect the motor cable from terminals L1, L2 and L3 of the frequency converter and from the mains. Measure the insulation resistance of the motor cable between each phase conductor as well as between each phase conductor and the protective ground conductor.

The insulation resistance must be >1M

Ω

3. Motor insulation checks

Disconnect the motor cable from the motor and open the bridging connections in the motor connection box. Measure the insulation resistance of each motor winding. The measurement voltage must equal at least the motor nominal voltage but not exceed 1000 V. The insulation resistance must be >1M

Ω

40(86) Cabling and connections

The control unit of the frequency converter consists roughly of the control board and additional boards (see Figure 6-12 and Figure 6-13) connected to the five slot connectors (A to E) of the control board. The control board is connected to the power unit through a D-connector (1).

Figure 6-12. NX control board Figure 6-13. Basic and option board connections on the control board

When the frequency converter is delivered from the factory, the control unit includes at least the standard compilation of two basic boards (I/O board and thermistor board) which are normally installed in slots A and B. The next pages show the arrangement of the control I/O and the relay terminals of the two basic boards, the general wiring diagram and the control signal descriptions .

The control board can be powered externally (+24V) by connecting the external power source to the bidirectional terminal #6, see page 43. This voltage is sufficient for parameter setting and for keeping the fieldbus active.

6.2.1 Control connections

The basic control connections for boards A1 and A3 are shown in Chapter 6.2.2.

The signal descriptions of the Standard Application are presented in Chapter 2 of the Application

Manual. If some other application is used, check the Application Manual for the signal descriptions of the respective application.

Board A1 in slot A

NXOPTA1

Board A3 in slot B

NXOPTA3

Figure 6-14. The I/O terminals of the two basic boards

Cabling and connections 41(86)

Basic I/O board

NXOPTA1

+10Vref

AI1+

GND

AI2+

AI2-

24Vout

GND

DIN1

DIN2

DIN3

CMA

24Vout

GND

DIN4

DIN5

DIN6

CMB

AO1+

AO1-

DO1

Reference

(voltage)

Reference

(current)

24 V

GND

0(4)/20mA

RL<500

Ω

U<+48V

I<50mA

24 V

GND nk6_13

Dotted line indicates the connection with inverted signals

Figure 6-15. General wiring diagram of the basic I/O board

(NXOPTA1)

RO1/1

1/2

RO1/3 R

L ac/dc

2/1

RO2/2

Switching:

<8A/24Vdc,

<0.4A/300Vdc,

<2kVA/250Vac

Continuously:

<2Arms

TI1+

TI1–

Figure 6-16. General wiring diagram of the basic relay board

(NXOPTA3)

42(86) Cabling and connections

The control cables shall be at least 0.5 mm

2 maximum terminal wire size is 2.5 mm

screened multicore cables, see Table 6-1. The

for the relay terminals and 1.5 mm

for other terminals.

The control connections are isolated from the mains potential and the GND terminals are permanently connected to ground. See Figure 6-17.

The digital inputs are galvanically isolated from the I/O ground. The relay outputs are additionally double-isolated from each other at 300VAC (EN-50178).

10Vref

GND

+24V

GND

AI1

AI2+

AI2 -

DIN1...

DIN3

CMA

DIN4...

DIN6

CMB

AO1+

AO2 -

DO1

RO1/1

RO1/2

RO1/3

RO2/1

RO2/2

RO2/3

Cont rol I/O ground

Digital input group A

Digital input group B

Analogue output

Digital output

Control panel

Control board nk6_15

Figure 6-17. Galvanic isolation barriers

Gate drivers

L1 L2 L3

Main circuits Control board

U V W

Cabling and connections 43(86)

6.2.2 Control terminal signals

Terminal

+10 Vref

AI1+

GND/AI1–

AI2+

GND/AI2–

24 Vout

(bidirectional)

Signal

Reference voltage

Analogue input, voltage or current

Analogue input common

Analogue input, voltage or current

Analogue input common

24V auxiliary voltage

Technical information

Maximum current 10 mA

Selection V or mA with jumper block X1 (see page 45):

Default: 0– +10V (Ri = 200 k

Ω

)

(-10V…..+10V Joy-stick control, selected with a jumper)

0– 20mA (Ri = 250

Ω

)

Differential input if not connected to ground;

Allows

20V differential mode voltage to GND

Selection V or mA with jumper block X2 (see page 45):

Default: 0– 20mA (Ri = 250

Ω

)

0– +10V (Ri = 200 k

Ω

)

(-10V…..+10V Joy-stick control, selected with a jumper)

Differential input if not connected to ground;

Allows

20V differential mode voltage to GND

15%, maximum current 250mA (all boards total);150mA

(from single board); Can also be used as external power backup for the control unit (and fieldbus)

Ground for reference and controls

R i

= min. 5k

Ω

GND

DIN1

DIN2

DIN3

CMA

I/O ground

Digital input 1

Digital input 2

Digital input 3

Digital input common A for

DIN1, DIN2 and DIN3.

Must be connected to GND or 24V of I/O terminal or to external 24V or GND

Selection with jumper block X3 (see page 45):

Same as terminal #6 12

24 Vout

(bidirectional)

GND

DIB4

DIB5

DIB6

CMB

AO1+

AO1–

DO1

24V auxiliary voltage

I/O ground

Digital input 4

Digital input 5

Digital input 6

Digital input common B for

DIB4, DIB5 and DIB6

Analogue signal (+output)

Analogue output common

Open collector output

Same as terminal #7

R i

= min. 5k

Ω

Must be connected to GND or 24V of I/O terminal or to external 24V or GND

Selection with jumper block X3 (see page 45):

Output signal range:

Current 0(4)–20mA, R

max 500

Ω

Voltage 0—10V, R

>1k

Ω

Selection with jumper block X6 (see page 45):

Maximum U in

= 48VDC

Maximum current = 50 mA

NXOPTA3

RO1/1

RO1/2

RO1/3

RO2/1

RO2/2

TI1/1

TI1/2

Relay output 1 Maximum switching voltage 250VAC, 125VDC

Maximum switching current 8A/24VDC,

Min. switching load

0.4A/250VDC

5V/10mA

Relay output 2 Maximum switching voltage 250VAC, 125VDC

Maximum switching current 8A/24VDC, 0.4A/250VDC

Min. switching load 5V/10mA

Thermistor input 1 Basic galvanic isolation

Double isolation when connected to thermistor

Table 6-5. Control I/O terminal signals

44(86) Cabling and connections

6.2.2.1 Digital input signal inversions

The active signal level depends on which potential the common inputs CMA and CMB (terminals

11 and 17) are connected to. The alternatives are either +24V or ground (0 V). See Figure 6-18.

The 24-volt control voltage and the ground for the digital inputs and the common inputs (CMA,

CMB) can be either internal or external.

+24V Ground

DIN1

DIN2

DIN1

DIN2

DIN3

Ground

CMA

Positive logic (+24V is the active signal) = the input is active when the switch is closed

Figure 6-18. Positive/Negative logic

DIN3

+24V

CMA

Negative logic (0V is the active signal) = the input is active when the switch is closed

6.2.2.2 Jumper selections on the NXOPTA1 basic board

The user is able to customise the functions of the frequency converter to better suit his needs by selecting certain positions for the jumpers on the NXOPTA1 board. The positions of the jumpers determine the signal type of analogue and digital inputs.

On the A1 basic board, there are four jumper blocks X1, X2, X3 and X6 each containing eight pins and two jumpers. The selectable positions of the jumpers are shown in Figure 6-20.

Figure 6-19. Jumper blocks on NXOPTA1

Cabling and connections

Jumper block X1:

AI1 mode

A B C D

AI1 mode: 0...20mA; Current input

A B C D

Jumper block X2:

AI2 mode

A B C D

AI2 mode: 0...20mA; Current input

A B C D

AI1 mode: Voltage input; 0...10V

A B C D

AI2 mode: Voltage input; 0...10V

A B C D

AI1 mode: Voltage input; 0...10V (differential)

A B C D

AI2 mode: Voltage input; 0...10V (differential)

A B C D

AI1 mode: Voltage input; -10...10V

Jumper block X6:

AO1 mode

A B C D

AO1 mode: 0...20mA; Current output

A B C D

AI2 mode: Voltage input; -10...10V

Jumper block X3:

CMA and CMB grounding

CMB connected to GND

CMA connected to GND

CMB isolated from GND

CMA isolated from GND

CMB and CMA internally connected together, isolated from GND

AO1 mode: Voltage output; 0...10V

45(86)

= Factory default

Figure 6-20. Jumper selection for NXOPTA1

WARNING

NOTE

Check the correct positions of the jumpers. Running the motor with signal settings different from the jumper positions will not harm the frequency converter but may damage the motor.

If the AI signal content is changed the corresponding board parameter in menu M7 must also be changed.

46(86) Control keypad

The control keypad is the link between the frequency converter and the user. The NX control keypad features an alphanumeric display with seven indicators for the Run status (RUN,

READY, STOP, ALARM, FAULT) and three indicators for the control place (I/O term/

Keypad/BusComm). There are also three Status Indicator LEDs (green - green - red), see Status

LEDs (green – green – red) below.

The control information, i.e. the number of menu, description of menu or the displayed value and the numeric information are presented on three text lines.

The frequency converter is operable through the nine push-buttons of the control keypad.

Furthermore, the buttons serve the purposes of parameter setting and value monitoring.

The keypad is detachable and isolated from the input line potential.

7.1 Indications on the Keypad display

1 2

RUN

3 4 5 6

STOP READY ALARM

I/O term Keypad Bus/Comm

FAULT

• ••

•••

a b ready

Figure 7-1. The control keypad and drive status indications run

II c fault

III

7.1.1 Drive status indications (See control keypad)

The drive status indications tell the user what the status of the motor and the drive is, and whether the motor control software has detected irregularities in motor or frequency converter functions.

1 RUN = Motor is running; Blinks when the stop command has been given but the frequency is still ramping down.

2 = Indicates the direction of motor rotation.

3 STOP = Indicates that the drive is not running.

Control keypad 47(86)

READY = Lights when AC power is on. In case of a trip, the symbol will not light up.

ALARM = Indicates that the drive is running outside a certain limit and a warning is given.

6 FAULT = Indicates that unsafe operating conditions were encountered due to which the drive was stopped.

7.1.2 Control place indications (See control keypad)

The symbols I/O term, Keypad and Bus/Comm (see Figure 7-1) indicate the choice of control place made in the Keypad control menu (M3) (see chapter 7.3.3).

a I/O term b Keypad

= I/O terminals are the selected control place; i.e. START/STOP commands or reference values etc. are given through the I/O terminals.

= Control keypad is the selected control place; i.e. the motor can be started or stopped, or its reference values etc. altered from the keypad.

c Bus/Comm = The frequency converter is controlled through a fieldbus.

7.1.3 Status LEDs (green – green – red) (See control keypad)

The status LEDs light up in connection with the READY, RUN and FAULT drive status indicators.

= Illuminates with the AC power connected to the drive. Simultaneously, the drive status indicator READY is lit up.

= Illuminates when the drive is running. Blinks when the STOP button has been pushed and the drive is ramping down.

III

= Illuminates when unsafe operating conditions were encountered due to which the drive was stopped (Fault Trip). Simultaneously, the drive status indicator FAULT blinks on the display and the fault description can be seen, see chapter 7.3.4, Active Faults.

48(86) Control keypad

7.1.4 Text lines (See control keypad)

The three text lines (

•

••

•••

) provide the user with information on his present location in the keypad menu structure as well as with information related to the operation of the drive.

•

= Location indication; displays the symbol and number of menu, parameter etc.

Example: M3 = Menu 3 (References); R1 = Reference no. 1 (Freq.

reference)

••

= Description line; Displays the description of menu, value or fault.

•••

= Value line; Displays the numerical and textual values of references, parameters etc. and the number of submenus available in each menu.

Control keypad 49(86)

The alphanumeric control keypad features 9 push-buttons that are used for the control of the frequency converter (and motor), parameter setting and value monitoring.

Figure 7-2. Keypad push-buttons

7.2.1 Button descriptions reset = This button is used to reset active faults (see Chapter 7.3.4).

select = This button is used to switch between two latest displays. May be useful to see how the changed new value influences some other value.

enter = The Enter button serves for:

1) confirmation of selections

2) fault history reset (2…3 seconds)

= Browser button up

Browse the main menu and the pages of different submenus.

Edit values.

–

= Browser button down

Browse the main menu and the pages of different submenus.

Edit values.

= Left arrow menu button

Move backward in menu.

Move cursor left (in parameter menu ).

Exit edit mode.

Hold down for 2…3 seconds to return to main menu.

= Right arrow menu button

Move forward in menu.

Move cursor right (in parameter menu ).

Enter edit mode.

50(86) Control keypad start stop

= Start button.

Pressing this button starts the motor if the keypad is the active control place. See Chapter 7.3.3.1.

= Stop button.

Pressing this button stops the motor (unless disabled by parameter

R3.4/R3.6).

7.3 Navigation on the control keypad

The data on the control keypad are arranged in menus and submenus. The menus are used for example for the display and editing of measurement and control signals, parameter settings

(chapter 7.3.2), reference values and fault displays (chapter 7.3.4). Through the menus, the contrast of the display (page 73) can be adjusted.

STOP READY

Local Location

Description

Number of items available; Item value

Monitor

"

V14

The first menu level consists of menus M1 to M7 and is called the Main menu. The user can navigate in the main menu using the Browser buttons up and down. The desired submenu can be entered from the main menu using the Menu buttons . When there still are pages to enter under the currently displayed menu or page, an arrow ( ) can be seen in the lower right corner of the display and by pressing the right arrow menu button , the next menu level can be reached.

The control keypad navigation chart is shown on the next page. Please note that the menu M1 is located in the lower left corner. From there it is possible to navigate your way up to the desired menu using the menu and browser buttons.

More detailed descriptions of the menus can be found later in this Chapter.

Control keypad 51(86)

READY

I/Oterm

Expander boards

G1 " G5

STOP R EADY

I/Ote rm

System Menu

S1 " S9

R EADY

I/Ote rm

A:NXOPTC1

G1 " G1

STOP R EADY

I/Ote rm

Application

Standard

R EADY

I/Oterm

Parameters

P1 " P3 enter

Change value

Browse

READY

I/Ote rm

Fault history

H1 "

H3

READY

I/Ote rm

11 Output phase

T1 " T7

READY

I/Oterm

Operation days

STOP

I/Ote rm

Active faults

FAULT STOP FAULT

I/Ote rm

OR: 11 Output phase

F T1 "

T7

I/Ote rm

STOP R EADY

Keypad control

P1 " P3

I/Ote rm

ST OP R EADY

Control Place

I/O Terminal

R EADY

I/Ote rm

Parameters

G1 " G9

R EADY

I/Ote rm

Basic parameters

P1 "

P15

RU N R EADY

I/Ote rm

Monitor

V1 " V15

RUN READY

I/Oterm

Output frequency

13.95 Hz

Figure 7-3. Keypad navigation chart

STOP FAULT

I/Ote rm

Operation days

17 enter

Browse

Change value

READY

L oc al

Min Frequency

13.95 Hz

No editing!

enter

Browse

Change value

52(86) Control keypad

7.3.1 Monitoring menu (M1)

The monitoring menu can be entered from the main menu by pushing the Right arrow menu button when the location indication M1 is visible on the first line of the display. How to browse through the monitored values is presented in Figure 7-4.

The monitored signals carry the indication V#.# and they are listed in Table 7-1. The values are updated once every 0.3 seconds.

This menu is only for signal checking. The values cannot be altered here. For changing values of parameters see Chapter 7.3.2.

R EADY

Lo ca l

FreqReference

13.95 Hz

READY

Local

Monitor

V1

V14

READY

Local

Output frequency

13.95 Hz

Figure 7-4. Monitoring menu

Code Signal name Unit

V1.1

V1.2

V1.3

V1.4

V1.5

V1.6

V1.7

V1.8

Output frequency

Frequency reference

Motor speed

Motor current

Motor torque

Motor power

Motor voltage

DC-link voltage

V1.9

Unit temperature

V1.10

Voltage input

V1.11

Current input

V1.12

DIN1, DIN2, DIN3

V1.13

DIN4, DIN5, DIN6

V1.14

DO1, RO1, RO2

V1.15

Analogue output current mA

Hz rpm

ºC

V mA

Table 7-1. Monitored signals

Description

Frequency to the motor

Calculated motor speed

Measured motor current

Calculated actual torque/nominal torque of the unit

Calculated actual power/nominal power of the unit

Calculated motor voltage

Measured DC-link voltage

Heat sink temperature

AI1

AI2

Digital input statuses

Digital and relay output statuses

AO1

Note: Other applications may embody more monitoring values.

Control keypad 53(86)

7.3.2 Parameter menu (M2)

Parameters are the way of conveying the commands of the user to the frequency converter. The parameter values can be edited by entering the Parameter Menu from the Main Menu when the location indication M2 is visible on the first line of the display. The value editing procedure is presented in Figure 7-5.

Push the right arrow menu button once to move into the Parameter Group Menu (G#). Locate the parameter group desired by using the Browser buttons and push the HYPERLINK \l

"menubuttonright" right arrow menu button again to enter the group and its parameters. Use the

Browser buttons to find the parameter (P#) to edit. From here it is possible to, proceed in two different ways: Pushing the right arrow menu button goes to the edit mode. As a sign of this, the parameter value starts to blink. The value can now be changed in two different ways.:

1 Just set the new desired value with the Browser buttons and confirm the change with the

Enter button . Consequently, the blinking stops and the new value is visible in the value field.

2 Push right arrow menu button once again. Now it is possible to be able to edit the value digit by digit. This editing manner may come in handy, when a relatively greater or smaller value than that on the display is desired. Confirm the change with the Enter button .

The value will not change unless the Enter button is pushed. Pressing the left arrow menu button returns to the previous menu.

Several parameters are locked, i.e. uneditable, when the drive is in RUN status. If an attempt is made to edit the value of such a parameter the text *Locked* will appear on the display. The frequency converter must be stopped in order to edit these parameters.

The parameters values can also be locked using the function in menu M6 (see Chapter

54(86) Control keypad

Parameter lock (P6.3.2)).

Return to the Main menu anytime by pressing the left arrow menu button for 1—2 seconds.

The basic application package includes seven applications with different sets of parameters. The parameter lists are in the Application Section of this manual.

Once in the last parameter of a parameter group, To move directly to the first parameter of that group press the Browser button up .

See the diagram for parameter value change procedure on page 55.

Note: Instead of connecting power to the frequency converter, it is possible to power up the control board from an external power source by connecting the external power source to bidirectional terminal #6 of the NXOPTA1 board (see page 43) or to the corresponding +24V terminal on any other option board. This voltage is high enough to set parameter values or to keep the fieldbus active.

Control keypad enter

READY

Ke ypa d

Input signals

P1 " P8

READY

Keypad

Parameters

G1 " G8

READY

Keypad

Min Frequency

13.95 Hz

Figure 7-5. Parameter value change procedure

READY

Keypad

Basic parameters

P1 "

P18

READY

Keypad

Min Frequency

14.45 Hz

Min Frequency

55(86)

56(86) Control keypad

7.3.3 Keypad control menu (M3)

In the Keypad Controls Menu, it is possible to choose the control place, edit the frequency reference and change the direction of the motor. Enter the submenu level with the right arrow menu button .

NOTE! There are some special functions that can be performed when in the M3 menu: start

Select the keypad as the active control place by keeping the button pushed down for 3 seconds when the motor is running. The keypad will become the active control place and the current frequency reference and direction will be copied to the keypad.

stop

Select the keypad as the active control place by keeping the button pushed down for 3 seconds when the motor is stopped. The keypad will become the active control place and the current frequency reference and direction will be copied to the keypad.

Copy the frequency reference set elsewhere (I/O, fieldbus) to the panel by enter keeping the button pushed down for 3 seconds.

Note that Whilst in any other than M3 menu these functions will not work.

If in a different menu other than M3 menu and try to start the motor by pressing the START button when the keypad is not selected as the active control place an error message Keypad Control NOT

ACTIVE will be displayed.

7.3.3.1 Selection of control place

There are three different places (sources) which the frequency converter can be controlled from.

For each control place, a different symbol will appear on the alphanumeric display:

Control place

I/O terminals

Keypad (panel)

Fieldbus

Symbol

I/O term

Keypad

Bus/Comm

Change the control place by entering the edit mode with the right arrow menu button . The options can then be browsed through with the Browser buttons . Select the desired control place with the

Enter button . See the diagram on the next page.

Keypad control

"

STOP READY

I/ Oterm

Control Place

Keypad

STOP READY

I/ Oterm

In the NX frequency converter, there are four different types of faults. These types differ from each other on the basis of the subsequent behaviour of the drive. See Table 7-2.

ST OP FAULT

I/Oterm

Operation hours

34:21:05

STOP

Fault type symbol

Figure 7-7. Fault display

FAULT

I/O term

11 Output phase

F T1

"

T13

STOP FAULT

I/O term

Operations days

Control keypad

Fault type symbol

(Alarm)

(Fault)

(Fault Autoreset)

(Fault Trip)

Table 7-2. Fault types

Meaning

This type of fault is a sign of an unusual operating condition. It does not cause the drive to stop, nor does it require any special actions. The 'A fault' remains in the display for about 30 seconds.

An 'F fault' is a kind of fault that makes the drive stop.

Actions need to be taken in order to restart the drive.

If an 'AR fault' occurs the drive will also stop immediately.

The fault is reset automatically and the drive tries to restart the motor. Finally, if the restart is not successful, a fault trip (FT, see below) occurs.

If the drive is unable to restart the motor after an AR fault an FT fault occurs. The effect of the 'FT fault' is basically the same as that of the F fault: the drive is stopped.

59(86)

60(86) Control keypad

The fault codes, their causes and corrective actions are presented in the table below. The shadowed faults are A faults only. The faults written in white on black background may appear as both A and F fault.

Fault code

Fault Possible cause Correcting measures

Overcurrent

Overvoltage

Frequency converter has detected too high a current (>4*I n

) in the motor cable:

− sudden heavy load increase

− short circuit in motor cables

− motor

The DC-link voltage has exceeded the limits defined in Table 4-1.

− too short a deceleration time

− high overvoltage spikes in supply

Earth fault Current measurement has detected that the sum of motor phase current is not zero.

− insulation failure in cables or motor

Charging switch The charging switch is open, when the

START command has been given.

−

faulty failure

Emergency Stop signal has been given from the option board.

Saturation trip Very high overload

Defective component

Check loading.

Check motor.

Check cables.

Make the deceleration time longer. Use brake chopper or brake resistor

(available as options)

Check motor cables and motor.

Reset the fault and restart.

Should the fault re-occur, contact your nearest distributor..

System fault

Undervoltage

The frequency converter troubleshooting system is unable to locate the fault.

DC-link voltage is under the voltage limits defined in.

− most probable cause: too low a supply voltage

− frequency converter internal fault

Input line phase is missing.

Cannot be reset from the keypad.

Switch off power. If this does not help contact your nearest distributor.

Reset the fault and restart.

Should the fault re-occur, contact your nearest distributor.

In case of temporary supply voltage break reset the fault and restart the frequency converter. Check the supply voltage. If it is adequate, an internal failure has occurred.

Contact your nearest distributor.

Check supply voltage and cable.

10 Input line supervision

11 Output phase supervision

12 Brake chopper supervision

Current measurement has detected that there is no current in one motor phase.

− no brake resistor installed

− brake resistor is broken

− brake chopper failure

Heatsink temperature is under –10

Check motor cable and motor.

Check brake resistor.

If the resistor is ok, the chopper is faulty.

Contact your nearest distributor..

13 Frequency converter undertemperature

14 Frequency converter over temperature

15 Motor stalled

Heatsink temperature is over 90

Motor stall protection has tripped.

Over temperature warning is issued when the heatsink temperature exceeds 85

Check the correct amount and flow of cooling air.

Check the heatsink for dust.

Check the ambient temperature.

Make sure that the switching frequency is not too high in relation to ambient temperature and motor load.

Check motor.

Control keypad 61(86)

Fault code

16 Motor

Fault overtemperature

Possible cause

Motor overheating has been detected by frequency converter motor temperature model. Motor is overloaded.

17 Motor underload Motor underload protection has tripped.

EEPROM checksum fault

Parameter save fault

−

faulty failure

24 Changed data warning

25 Microprocessor watchdog fault

Changes may have occurred in the different counter data due to mains interruption

−

faulty failure

Correcting measures

Decrease the motor load.

If no motor overload exists, check the temperature model parameters.

No special actions required. Take a critical attitude to the counter data.

Reset the fault and restart.

Should the fault re-occur, contact your nearest distributor..

Contact your nearest distributor..

32 Fan cooling Cooling fan of the frequency converter does not start, when ON command is given

Sent message not acknowledged.

34 CAN bus communication

36 Control unit NXS Control Unit can not control NXP

Power Unit and vice versa

Device change

Device added

Option board changed.

Different power rating of drive.

Option board added.

Drive of different power rating added.

39 Device removed Option board removed.

Drive removed.

40 Device unknown Unknown option board or drive.

41 IGBT temperature IGBT Inverter Bridge overtemperature protection has detected too high a short term overload current

42 Brake resistor overtemperature

43 Encoder fault

50 Analogue input

I in

< 4mA

(selected signal range 4 to 20 mA)

51 External fault

52 Keypad communication fault

Brake resistor overtemperature protection has detected too heavy braking

Note the exceptional Fault data record.

See 7.3.4.3. Additional codes:

1 = Encoder 1 channel A is missing

2 = Encoder 1 channel B is missing

3 = Both encoder 1 channels are missing

4 = Encoder reversed

Current at the analogue input is < 4mA.

− control cable is broken or loose

− signal source has failed

Digital input fault.

The connection between the control keypad and the frequency converter is broken.

Table 7-3. Fault codes

Ensure that there is another device on the bus with the same configuration.

Change control units

Reset

Check loading.

Check motor size.

Set the deceleration time longer.

Use external brake resistor.

Check encoder channel connections.

Check the encoder board.

Check the current loop circuitry.

Check keypad connection and possible keypad cable.

62(86) Control keypad

7.3.4.3 Fault time data record

When a fault occurs the information described above in 7.3.4 is displayed. By pushing the right arrow menu button it is possible to view the Fault time data record menu indicated by T.1 # T.13.

In this menu, some selected important data valid at the time of the fault are recorded. This feature is intended to help the user or the service person to determine the cause of fault.

The data available are:

T.1

T.2

Counted operation days

(Fault 43: Additional code)

Counted operation hours

(Fault 43: Counted operation days)

T.3

T.1

T.2

Output frequency

(Fault 43: Counted operation hours)

Counted operation days

Counted operation hours

Output frequency T.3

T.4

T.5

Motor current

Motor voltage

T.6

T.7

T.8

T.9

Motor power

Motor torque

DC voltage

Unit temperature

T.10

Run status

T.11

Direction

T.12

Warnings

T.13

0-speed

Table 7-4. Fault time recorded data d hh:mm:ss

(d)

(hh:mm:ss) d hh:mm:ss

° C

Control keypad 63(86)

7.3.5 Fault history menu (M5)

The Fault history menu can be entered from the Main menu by pushing the right arrow menu button Menu button right when the location indication M5 is visible on the first line of the keypad display.

All faults are stored in the Fault history menu, Browse through them using the Browser buttons .

Additionally, the Fault time data record pages (see Chapter 7.3.4.3) are accessible at each fault.

Return to the previous menu anytime by pushing the Menu button left .

The memory of the frequency converter can store a maximum of 30 faults in the order of appearance. The number of faults currently in the fault history is shown on the value line of the main page (H1 # H#). The order of the faults is indicated by the location indication in the upper left corner of the display. The latest fault carries the indication F5.1, the second latest F5.2 etc. If there are 30 uncleared faults in the memory the next occurring fault will erase the oldest from the memory.

Pressing the Enter button for about 2 to 3 seconds resets the whole fault history. Then, the symbol

H# will change to 0.

R EADY

I/Oterm

5 ChargeSwitch

I/Oter m

Operation hours

I/O term

READY

Fault history

"

Figure 7-8. Fault history menu

READY

I/Oterm

11 Output phase

"

PUSH

enter

to reset

I/Ot erm

Operation days

64(86) Control keypad

7.3.6 System menu (M6)

The System menu can be entered from the main menu by pushing the right arrow menu button

Menu button right when the location indication M6 is visible on the display.

The controls associated with the general use of the frequency converter, such as application selection, customised parameter sets or information about the hardware and software are located under the System menu. The number of submenus and sub pages is shown with the symbol S (or

P) on the value line .

On page 65 is a list of the functions available in the System menu.

Control keypad 65(86)

Functions in the System menu

Code Function

S6.1

S6.2

S6.3.1

P6.3.2

P6.3.3

P6.3.4

P6.3.5

P6.3.6

P6.3.7

P6.4.1

P6.4.2

P6.4.3

P6.4.4

P6.4.5

S6.5.1

S6.5.2

S6.5.3

P6.5.4

S6.6

I6.7.1

I6.7.2

I6.7.3

I6.7.4

S6.7.5

D6.7.6.1.1

D6.7.6.1.2

Application selection

Language selection

Min Max

Password

Parameter lock

Internal brake resistor

Fan control

Multimonitoring page

HMI acknowledg.

timeout

HMI number of retries

Default page

Default page/

Operating menu

Timeout time

Contrast

Backlight time

Load up to keypad

Load down from keypad

200

5000

10 ms

0 65535 s

0 31

Always 65535 min

Unit Default

Basic

Application

English

Not used

Change

Enabled

Connected

Continuous

Change enabled

200

Cust Selections

Basic Application

Standard Application

Local/Remote control Appl.

Multi-Step Application

PID Control Application

Multi-Purpose Control Appl.

Pump and Fan Control

Appl.

English

Deutsch

Suomi

Svenska

Italiano

0=Not used

Change Enabled

Change Disabled

Not connected

Connected

Continuous

Temperature

Change enabled

Change disabled

Parameter sets

All parameters

Application parameters

Store set 1

Load set 1

Store set 2

Load set 2

Load factory defaults

Yes

Parameter backup

Parameter comparison

Info: Unit power

Info: Unit voltage

Info:

Software version

Info:

Firmware interface

Info:

Expander boards

Info: Applications:

Application ID

Info: Applications:

Version

66(86) Control keypad

Code

D6.7.6.1.3

C6.8.1

C6.8.2

C6.8.3

T6.9.1

T6.9.2

T6.9.3

T6.9.4

T6.9.5

Function

Info: Applications:

Firmware interface

MWh counter

Operating days counter

Operating hours counter

MWh trip counter

Clear

MWh trip counter

Operating days trip counter

Operating hours trip counter

Clear operating time counter

Min

Table 7-5. System menu functions

Max Unit kWh hh:mm:ss kWh hh:mm:ss

Default Cust Selections

Control keypad 67(86)

The user can select the application desired by entering the Application selection page (S6.1). This is done by pushing the right arrow menu button when on the first page of the System menu.

Change the application by pushing the right arrow menu button once again. The name of the application starts to blink. Browse through the applications with the Browser buttons and select another application with the Enter button .

In this phase, the display requests whether theparameters of the new application are to be uploaded to the keypad. If so press the Enter button Pushing any other button leaves the parameters of the previously used application saved in the keypad. For more information, see

Chapter 7.3.6.5.

For more information about the Application Package, see the NX Application Manual.

Standard

Figure 7-9. Change of application enter

STOP READY

I/O term

Application

Multi-step

The HMI control keypad offers the user the possibility to control the frequency converter through the keypad in the language of your choice.

Locate the language selection page under the System menu. Its location indication is S6.2. Press the right arrow menu button once to enter the edit mode. As the name of the language starts to blink choose another language for the keypad texts. Confirm the selection by pushing the Enter button The blinking stops and all textual information on the keypad is presented in the language chosen.

Return to the previous menu anytime by pushing the left arrow menu button .

68(86) Control keypad

I/Oterm

Language

English

READY READY

I/O term

System Menu

S1

If the parameter lock is activated the text *locked* will appear on the display when the parameter value is edited.

NOTE: This function does not prevent unauthorised editing of parameter values.

Enter the edit mode by pushing the right arrow menu button HYPERLINK \l "menubuttonright".

Use the Browser buttons to change the parameter lock status. Accept the change with the Enter button or return to the previous level with the left arrow menu button Menu button left .

Figure 7-12. Parameter locking

Internal brake resistor connection (P6.3.3)

With this function it is possible to tell the frequency converter, whether the internal brake resistor is connected or not. If the frequency converter has been ordered with an internal brake resistor, the default value of this parameter is Connected. However, if it is necessary to increase braking capacity by installing an external brake resistor, or if the internal brake resistor is disconnected for another reason, it is advisable to change the value of this function to Not conn. in order to avoid unnecessary fault trips.

Enter the edit mode by pushing the right arrow menu button . Use the Browser buttons to change the internal brake resistor status. Accept the change with the Enter button or return to the previous level with the left arrow menu button .

Note! The brake resistor is available as optional equipment for all classes. It can be installed internally in classes FR4 – FR6.

70(86) Control keypad

"

READY

I/Ot erm

InternBrakeRes

I/Ot erm

InternBrakeRes

Connected

Figure 7-13. Internal brake resistor connection

Fan control (P6.3.4)

This function allows the control of the frequency converter’s cooling fan. When the power is switched on the fan can be set to run continuously or dependant on the temperature of the unit. If the latter function has been selected the fan is switched on automatically when the heat sink temperature reaches 60

C. The fan receives a stop command when the heat sink temperature falls to 55

C. However the fan runs for about a minute after receiving the stop command, as well as after changing the value from Continuous to Temperature.

Enter the edit mode by pushing the right arrow menu button . The present mode shown starts to blink. Use the Browser buttons to change the fan mode. Accept the change with the Enter button or return to the previous level with the left arrow menu button .

I/O term

Fan control

READY

Continuous

READY

I/O term

Fan control

Continuous

OR:

READY

I/O term enter

Fan control

Temperature

Figure 7-14. Fan control function

HMI acknowledge timeout (P6.3.6)

This function allows the user to change the timeout of the HMI acknowledgement time.

Note! If the frequency converter has been connected to the PC with a normal cable, the default values of parametres 6.3.6 and 6.3.7 (200 and 5) must not be changed.

If the frequency converter has been connected to the PC via a modem and there is a delay in transferring messages, the value of par. 6.3.6 must be set according to the delay as follows:

Control keypad 71(86)

Example:

•

Transfer delay between the frequency converter and the PC = 600 ms

•

The value of par. 6.3.6 is set to 1200 ms (2 x 600, sending delay + receiving delay)

•

The corresponding setting shall be entered to the

[

Misc

]

-part of the

NCDrive.ini – file:

Retries = 5

AckTimeOut = 1200

TimeOut = 6000

It must also be considered that intervals that are shorter than the AckTimeOut-time cannot be used in NCDrive monitoring.

Enter the edit mode by pushing the right arrow menu button . Use the Browser buttons to change the acknowledgement time. Accept the change with the Enter button or return to the previous level with the left arrow menu button .

I/Oterm

READY

HMI ACK timeout

200ms

READY

I/O term

HMI ACK timeout

200ms

Figure 7-15. HMI acknowledge timeout enter

Number of retries to receive HMI acknowledgement (P6.3.7)

With this parameter it is possible to set the number of times the drive will try to receive acknowledgement if this does not happen within the acknowledgement time (P6.3.6) or if the received acknowledgement is faulty.

Enter the edit mode by pushing the right arrow menu button . The present value shown starts to blink. Use the Browser buttons to change the amount of retries. Accept the change with the Enter button or return to the previous level with the left arrow menu button

See Figure 7-15 for the procedure of changing the value.

Further customisation of the freqency converter operator interface can be undertaken in the

Keypad settings submenu under the System menu.

Locate the Keypad settings submenu (S6.4). Under the submenu, there are four pages (P#) associated with the keypad operation:

72(86) Control keypad

READY

I/O term

Keypad settings

"

READY

I/O term

Default page

Figure 7-16. Keypad settings submenu

Default page (P6.4.1)

This menu allows the user to set the location (page) to which the display automatically moves as the

Timeout time (see below) has expired or as the power is switched on to the keypad.

If the Default Page value is 0 the function is not activated, i.e. the last displayed page remains on the keypad display. Press the right arrow menu button once to enter the edit mode. Change the number of the

Main menu with the Browser buttons. Pressing the right arrow menu button once again enables editing of the number of the submenu/page. If the page to move to by default is at the third level repeat the procedure. Confirm the new default page value with the Enter button. Return to the previous step anytime by pushing the left arrow menu button.

READY

I/Oter m

Default page

0.

RE ADY

I/Oterm

Default page

0.

REA DY

I/O term

Default page

1.

enter CONFIRM CHANGE

REPEAT TO SET

DEFAULT SUBMENU/PAGE

CANCEL

Figure 7-17. Default page function

Default page in the operating menu (P6.4.2)

To set the location (page) in the Operating menu (in special applications only) to which the display automatically moves as the set Timeout time (see below) has expired or as the power is switched on to the keypad. See setting of Default page above.

Timeout time (P6.4.3)

The Timeout time setting defines the time after which the keypad display returns to the Default page

(P6.4.1) see above.

Move to the Edit menu by pressing the right arrow menu button . Set the timeout time required and confirm the change with the Enter button. Return to the previous step anytime by pushing the left arrow menu button .

RE ADY

I/Oterm

Timeout time

90 s

RE ADY

I/Oterm

Timeout time

90 s.

REA DY

I/Oterm

Timeout time

60 s.

Figure 7-18. Timeout time setting

Note: If the Default page value is 0 the Timeout time setting has no effect.

enter CONFIRM CHANGE

CANCEL

Control keypad 73(86)

Contrast adjustment (P6.4.4)

In case the display is unclear adjust the contrast through the same procedure as that for the timeout time setting (see above).

Backlight time (P6.4.5)

Giving a value for the Backlight time, can determine how long the backlight stays on before going out. Select here any time between 1 and 65535 minutes or 'Forever'. For the value setting procedure see Timeout time (P6.4.3).

The parameter copy function is used when the operator wants to copy one or all parameter groups from one drive to another. All the parameter groups are first uploaded to the keypad, then the keypad is connected to another drive and then the parameter groups are downloaded to it (or possibly back to the same drive).

Before any parameters can successfully be copied from one drive to another the drive has to be

stopped when the parameters are downloaded to it:

The parameter copy menu (S6.5) embodies two functions:

Upload parameters to keypad (To keypad, S6.5.1)

This function uploads all existing parameter groups to the keypad provided that the drive is stopped.

Enter the To keypad page (S6.5.1) from the Parameter copy menu. Push the right arrow menu button to enter the edit mode. Use the Browser buttons to select the option All parameters and press the Enter button . Wait until 'OK' appears on the display.

RE ADY

I/Oter m

Copy Parameters

P1

"

RE ADY

I/Oter m

Up to keypad

Select

REA DY

I/Oterm

Up to keypad

All param.

enter

CONFIRM

CANCEL

READY

I/Oterm

Up to keypad

Wait...

Figure 7-19. Parameter copy to keypad

RE ADY

I/Oter m

Up to keypad

OK

74(86) Control keypad

Download parameters to drive (From keypad, S6.5.2)

This function downloads one or all parameter groups uploaded to the keypad to a drive provided that the drive is in STOP status.

Enter the From keypad page (S6.5.2) from the Parameter copy menu. Push the right arrow menu button to enter the edit mode. Use the Browser buttons to select either the option All parameters or Application parameters and press the Enter button . Wait until 'OK' appears on the display.

The procedure to download the parameters from keypad to drive is similar to that of from drive to keypad. See above.

Parameter sets (S6.5.3)

The NX frequency converter features a possibility for the user to store and load two customised parameter sets (all parameters included in the application) and to load back the factory default parameter values.

On Parameter sets page (S6.7), push the right arrow menu button to enter the Edit menu. The text

Select begins to blink allowing you to choose any of the storing or loading functions with the

Browser buttons . You can store or load two customised parameter sets or load back the factory defaults. Confirm with the Enter button . Wait until 'OK' appears on the display.

REA DY

I/Oterm

Parameter sets

Select

READY

I/Oterm

Parameter sets

Store Set1

READY

I/Oter m

Parameter sets

Wait...

I/Oterm

RE ADY

Parameter sets

Figure 7-20. Storing and loading of parameter sets enter CONFIRM

CANCEL

Parameter backup (P6.5.4)

On this page the user can activate or inactivate the parameter backup function. Enter the edit mode by pressing the right arrow menu button . Choose Yes or No with the Browser buttons .

When the Parameter backup function is activated the NX control keypad makes a copy of the parameters of the presently used application. When applications are changed, the user will be asked if they wish the parameters of the new application to be uploaded to the keypad. For this to happen, push the Enter button . If a copy is required of the parameters of the previously used application saved in the keypad push any other button. The user will be able to download these parameters to the drive following the instructions given in chapter 7.3.6.5.

Control keypad 75(86)

If the user wants the parameters of the new application to be automatically uploaded to the keypad this will have to be done for the parameters of the new application once on page 6.5.1 as instructed. Otherwise the panel will always ask for the permission to upload the parameters.

Note: Parameters saved in the parameter settings on page S6.5.3 will be deleted when applications are changed If transfer of the parameters from one application to another is required, they must be uploaded first to the keypad.

In the Parameter comparison submenu (S6.6), the actual parameter values to the values of thecustomised parameter sets and those loaded to the control keypad can be compared.

The comparison is performed by pushing the right arrow menu button when in the Parameter

comparison submenu. The actual parameter values are first compared to those of the customised parameter Set1. If no differences are detected a '0' is displayed on the lowermost line. But if any of the parameter values differ from those of the Set1 the number of the deviations is displayed together with symbol P (e.g. P1

P5 = five deviating values). By pressing the right arrow menu button once again it is possible to enter the pages where both the actual value and the value it was compared to can be seen. In this display, the value on the Description line (in the middle) is the default value and the one on the value line (lowermost) is the edited value. Furthermore, it is possible to also edit the actual value with the Browser buttons in the edit mode that you can reach by pushing the right arrow menu button once again.

RE ADY

I/Oterm

ParamComparison

I/Oterm

P2.1.2= 50.0

20.0 Hz enter CONFIRM CHANGE

76(86) Control keypad

In the Information submenu (S6.7) frequency converter-related hardware and software information as well as operation-related information, can be found.

Enter the Info menu by pressing the right arrow menu button . The user can now browse through the information pages with the Browser buttons .

Page

6.7.1

6.7.2

6.7.3

6.7.4

6.7.5

6.7.6

6.7.7

Content

Nominal power of the unit (constant torque)

Nominal voltage of the unit

Control board software version

Application interface version of the software

Expander board statuses and program versions

Application-related software information

Debug menu (for advanced users)

Table 7-6. Information pages

Expander board information (S6.7.5)

Information about the basic and option boards connected to the control board can be found in the

Expanders submenu (see Chapter 6.2).

You can check the status of each slot by entering the board submenu with the right arrow menu button and using the Browser buttons to choose the board whose status you wish to check. Push the right arrow menu button again to display the status of the board. The keypad will also display the program version of the respective board when either one of the Browser buttons is pushed.

If no board is connected to the slot the text 'no board' will be shown. If a board is connected to a slot but the connection is somehow lost the text 'no conn.' is displayed. See Chapter 6.2 and

Figure 6-12 and 6-11 for more information.

For more information on the expander board-related parameters, see Chapter 7.3.7.

R EADY

State

Run

Control keypad 77(86)

Applications info submenu (S6.7.6)

At location S6.7.6 is the Applications submenu containing information about not only the application currently in use but also all other applications loaded into the frequency converter. The information available is:

1. Application identification number

2. Application version number

3. Firmware interface number

In the Application information submenu, push the right arrow menu button to enter the Application

pages of which there are as many as there are applications loaded into the frequency converter.

Locate the application you want information about with the Browser buttons and then enter the

Information pages with the right arrow menu button . Use again the Browser buttons to see the different pages.

READY

I/Oterm

Standard

D1 "

I/O term

READY

Applications

"

READY

Basic

I/O term

"

Figure 7-23. Applications info submenu

I/Oterm

Version

I/O term

Application id

NXFIFF01

In the Counters menu (S6.8) is information related to the frequency converter operation times, i.e.

the total numbers of MWh, operation days and operation hours passed so far. Unlike the counters in the Trip counters submenu, these counters cannot be reset.

Note! The operation time counter (days and hours) runs always, when the power is on.

Page

C6.8.1.

C6.8.2.

C6.8.3.

Counter

MWh counter

Operation day counter

Operation hour counter

Table 7-7. Counter pages

78(86) Control keypad

7.3.6.9 Trip counters submenu

Trip counters (menu S6.9) are counters the values of which can be reset i.e. restored to zero. The following resettable counters are available:

Note! The trip counters run only when the motor is running.

Page

T6.9.1.

T6.9.3.

T6.9.4.

Counter

MWh counter

Operation day counter

Operation hour counter

Table 7-8. Resettable counters

The counters can be reset on pages 6.9.2. (MWh counter reset) and 6.9.5. (Operation time reset).

Example: To reset the operation counters::

7.3.7 Expander board menu (M7)

The Expander board menu makes it possible for the user 1) to see what expander boards are connected to the control board and 2) to reach and edit the parameters associated with the expander board.

Enter the following menu level (G#) with the right arrow menu button At this level, the user can browse through slots (see page 40) A to E with the Browser buttons to see what expander boards are connected. The lowermost line of the display shows the number of parameters associated with the board. It is possible to view and edit the parameter values in the same way as described in chapter 7.3.2. See Table 7-9 and Figure 7-25.

Expander board parameters

Code Parameter

P7.1.1.1

P7.1.1.2

P7.1.1.3

AI1 mode

AI2 mode

AO1 mode

Min

Max

Default

Table 7-9. Expander board parameters (board NXOPTA1)

Cust Selections

1=0…20 mA

2=4…20 mA

3=0…10 V

4=2…10 V

5=–10…+10 V

See P7.1.1.1

1=0…20 mA

2=4…20 mA

3=0…10 V

4=2…10 V

READY

I/Oterm

Expander boards

G1 " G5

READY

I/Oterm

Slave address

126

R EA DY

I/Oterm

D:NXOPTC2

G1 " G2

READY

I/Oter m

C:NXOPTC1

G1 " G2

READY

I/Oter m

Slave address

126

R EA DY

I/Oterm

Monitor

V1 " V2

READY

I/Oterm

Parameters

P1 " P4

CHANGE VALUE enter CONFIRM CHANGE

I/Oterm

Baud rate

Auto

R EA DY

Figure 7-25. Expander board information menu

80(86) Control keypad

7.4 Further keypad functions

The NX control keypad embodies additional application-related functions. See the NX Application

Package for more information.

Commissioning 81(86)

8. COMMISSIONING

8.1 Safety

Before commissioning, note the following directions and warnings:

WARNING

Internal components and circuit boards of the frequency converter

(except for the galvanically isolated I/O terminals) are live when the NX is connected to mains potential. Coming into contact with this voltage is extremely dangerous and may cause death or severe injury.

The motor terminals U, V, W and the DC-link/brake resistor terminals –/+ are live when the NX is connected to mains, even if the motor is not

running.

Do not make any connections with the frequency converter connected to the mains.

After having disconnected the frequency converter from the mains, 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 the NX connections. Do not even open the cover before this time has expired.

Before connecting the frequency converter to mains make sure that the

NX front cover is closed.

8.2 Commissioning of the frequency converter

1 Read the safety instructions in Chapter 1 and above and follow them.

2 After the installation, pay attention to:

- that both the frequency converter and the motor are grounded.

- that the mains and motor cables comply with the requirements given in Chapter 6.1.1.

- that the control cables are located as far as possible from the power cables (see

Chapter 6.1.2, step 3), the shields of the shielded cables are connected to protective earth . The wires may not touch the electrical components of the frequency converter.

- that the common inputs of digital input groups are connected to +24V or ground of the

I/O terminal or the external supply.

3 Check the quality and quantity of cooling air (Chapter 5.2, and Table 5-7).

4 Check the inside of the frequency converter for condensation.

5 Check that all Start/Stop switches connected to the I/O terminals are in Stop-position.

6 Connect the frequency converter to mains.

82(86) Commissioning

7 Set the parameters of group 1 (See the Application Manual) according to the requirements of the application. At least the following parameters should be set:

- motor nominal voltage

- motor nominal speed

- motor nominal current

The values needed for the parameters are on the motor rating plate.

8 Perform run test without motor

Perform either Test A or Test B:

A Controls from the I/O terminals: a) Turn the Start/Stop switch to ON position.

b) Change the frequency reference (potentiometer) c) Check in the Monitoring menu M1 that the value of Output frequency changes according to the change of frequency reference.

d) Turn the Start/Stop switch to OFF position.

B Control from the control keypad: a) Change the control from the I/O terminals to the keypad as advised in Chapter

7.3.3.1.

b) Push the on the keypad start

c) Move over to the Keypad control menu (M3) and Keypad Reference submenu

(Chapter 7.3.3.2) and change the frequency reference using the Browser buttons

-

+

d) Check in the Monitoring menu M1 that the value of Output frequency changes according to the change of frequency reference.

e) Push the on the keypad stop

9 Run the start-up tests without the motor being connected to the process, if possible. If this is not possible, secure the safety of each test prior to running it. Inform co-workers of the tests.

a) Switch off the supply voltage and wait up until the drive has stopped as advised at

Chapter 8.1, step 5.

b) Connect the motor cable to the motor and to the motor cable terminals of the frequency converter.

c) Ensure that all Start/Stop switches are in Stop positions.

d) Switch the mains ON e) Repeat test 8A or 8B.

Commissioning 83(86)

10 Connect the motor to the process (if the startup test was run without the motor being connected) a) Before running the tests, make sure that this can be done safely.

b) Inform co-workers of the tests.

c) Repeat test 8A or 8B.

84(86) Fault tracing

When a fault is detected by the frequency converter control electronics, the drive is stopped and the symbol F together with the ordinal number of the fault, the fault code and a short fault description appear on the display. The fault can be reset with the Reset button on the control keypad or via the I/O terminal. The faults are stored in the Fault history menu (M5) which can be browsed. The different fault codes can be found in the table below.

The fault codes, their causes and correcting actions are presented in the table below. The shadowed faults are A faults only. The faults written in white on black background may appear as both A and F fault.

Fault Possible cause Correcting measures Fault code

Overcurrent

Overvoltage

Earth fault

Frequency converter has detected too high a current (>4*I n

) in the motor cable:

− sudden heavy load increase

− short circuit in motor cables

− motor

The DC-link voltage has exceeded the limits defined in Table 4-1.

− too short a deceleration time

− high overvoltage spikes in utility

Current measurement has detected that the sum of motor phase current is not zero.

− insulation failure in cables or motor

Charging switch The charging switch is open, when the

START command has been given.

−

faulty failure

Emergency stop

Saturation trip

Stop signal has been given from the option board.

Very high overload

Defective component

Check loading.

Check motor size.

Check cables.

Make the deceleration time longer.

Check motor cables and motor.

Reset the fault and restart.

Should the fault re-occur, contact your nearest distributor.

System fault

Undervoltage

The frequency converter troubleshooting system is unable to locate the fault.

DC-link voltage is under the voltage limits defined in.

− most probable cause: too low a supply voltage

− frequency converter internal fault

Input line phase is missing.

Cannot be reset from the keypad.

Switch off power. If this does not help contact your nearest distributor.

Reset the fault and restart.

Should the fault re-occur, contact your nearest distributor,

In case of temporary supply voltage break reset the fault and restart the frequency converter. Check the supply voltage. If it is adequate, an internal failure has occurred.

Contact your nearest distributor..

Check supply voltage and cable.

Input line supervision

Output phase supervision

Brake chopper supervision

Current measurement has detected that there is no current in one motor phase.

− no brake resistor installed

− brake resistor is broken

− brake chopper failure

Heatsink temperature is under –10

Check motor cable and motor.

Check brake resistor.

If the resistor is ok, the chopper is faulty.

Contactyour nearest distributor.

Frequency converter undertemperature

Fault tracing 85(86)

14 Frequency converter over temperature

15 Motor stalled

16 Motor overtemperature

Heatsink temperature is over 90

Motor stall protection has tripped.

Over temperature warning is issued when the heatsink temperature exceeds 85

Motor overheating has been detected by frequency converter motor temperature model. Motor is overloaded.

17 Motor underload Motor underload protection has tripped.

EEPROM checksum fault

Changed data warning

Microprocessor watchdog fault

Parameter save fault

−

faulty failure

Changes may have occurred in the different counter data due to mains interruption

−

faulty failure

Check the correct amount and flow of cooling air.

Check the heatsink for dust.

Check the ambient temperature.

Make sure that the switching frequency is not too high in relation to ambient temperature and motor load.

Check motor.

Decrease the motor load.

If no motor overload exists, check the temperature model parameters.

No special actions required. Take a critical attitude to the counter data.

Reset the fault and restart.

Should the fault re-occur, contact your nearest distributor.

Contact your nearest distributor.

32 Fan cooling Cooling fan of the frequency converter does not start, when ON command is given

34 CAN bus communication

36 Control unit

Sent message not acknowledged.

37 Device change

NXS Control Unit can not control NXP

Power Unit and vice versa

Option board changed.

Different power rating of drive.

38 Device added Option board added.

Drive of different power rating added.

39 Device removed Option board removed.

Drive removed.

40 Device unknown Unknown option board or drive.

41 IGBT temperature IGBT Inverter Bridge overtemperature protection has detected too high a short term overload current

42 Brake resistor overtemperature

43 Encoder fault

Brake resistor overtemperature protection has detected too heavy braking

Note the exceptional Fault data record.

See 7.3.4.3. Additional codes:

1 = Encoder 1 channel A is missing

2 = Encoder 1 channel B is missing

Analogue input

I in

< 4mA

(selected signal range 4 to 20 mA)

External fault

Keypad communication fault

3 = Both encoder 1 channels are missing

4 = Encoder reversed

Current at the analogue input is < 4mA.

− control cable is broken or loose

− signal source has failed

Digital input fault.

The connection between the control keypad and the frequency converter is broken.

Table 9-1. Fault codes

Ensure that there is another device on the bus with the same configuration.

Change control units

Reset

Check loading.

Check motor size.

Set the deceleration time longer.

Use external brake resistor.

Check encoder channel connections.

Check the encoder board.

Check the current loop circuitry.

Check keypad connection and possible keypad cable.

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Key features

Constant and variable torque
Installation and commissioning instructions
Control keypad operation
Application manual with different applications
Fault tracing guide
Safety warnings
Technical data and specifications
EMC compliance information
Power ratings and dimensions
Cabling and connection diagrams

Frequently asked questions

The NX Frequency Converter is used to control the speed and torque of induction motors, providing variable speed and torque control.

The Application Manual provides information on different applications, including basic, standard, local/remote control, multi-step speed control, PID control, multi-purpose control, and pump and fan control.

Always disconnect the frequency converter from the mains before performing any work on it. Wait until the fan stops and indicators extinguish before opening the cover.

User's Manual

Honeywell

NX series

Constant and variable torque

Variable Speed Drives for induction motors

CONTENTS

NX USER’S MANUAL

NX APPLICATION MANUAL

NX User's Manual

EU DECLARATION OF CONFORMITY

We

Manufacturer's name:

Vacon Oyj

Manufacturer's address: P.O.Box 25

Runsorintie 7

FIN-65381 Vaasa

Finland hereby declare that the product

Product name:

Model designation:

NXS Frequency converter

NXS 0003…. to NXS 0205….

has been designed and manufactured in accordance with the following standards:

Safety:

EMC:

EN50178 (1995), EN60204-1 (1996)

EN50082-2 (1995), EN61800-3 (1996) and conforms to the relevant safety provisions of the Low Voltage Directive

(73/23/EEC) as amended by the Directive (93/68/EEC) and EMC

Directive 89/336/EEC.

It is ensured through internal measures and quality control that the product conforms at all times to the requirements of the current Directive and the relevant standards.

In Vaasa, 21st of May, 2001

The year the CE marking was affixed: 2001

Mains voltage 380-500 V, 50/60 Hz, 3~

Power board

External

RFI-filter

(option)

External filter

(option)

•

••

•••

•

••

•••

Monitor

"

H3

T7

P15

V1

V14

13.95 Hz

P18

Keypad control

"

Control Place

Control Place

Control Place

Control Place

Active faults

11 Output phase

"

Operations days

Fault history

"

11 Output phase

"

PUSH

to reset

Operation days

System Menu

"

Application

Application

Application

English

S1

S11

English

Suomi