Control Techniques 0453-0016-06, M’Ax Installation Manual

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Page 1

Installation Guide

M’Ax

Compact, high-performance, single-axis servo

amplifier for brushless AC servo motors

Part Number: 0453-0016-06

Issue Number: 6

www.controltechniques.com

Page 2

General information

The manufacturer accepts no liability for any consequences resulting from inappropriate , negligent or incorrect installation or adjustment of the optional operating parameters of t he equipment or from mismatching the drive with t he motor.

The conten ts of this Installation Guide are believed t o be correct at the time of printing. In the interests ofacommitment to apolicy of continuousdevelopment and improv ement, the manufacturer reserves the right tochange the specification of the product or itsperformance, or the contents of the Installation Guide, without not ice.

All rights reserved. No p arts of this Installation Guide may be reproduced or transmitted in any f orm or by any means, electrical or mechanical including photocopying, record ing or by any informationstorage or retrieval system, without permission in writing from t he publisher.

Important...

Servo-amplifier software version

This product issupplied with the latest vers ion of user-interface and machine-control software. If this product isto be used w ith other Control Techniques servoampli fiers in anexisting system, there may be some differences between theirsoftware and the software in this product. These differences may cause a difference in functions. This may also apply to servo amplifiers returned from a Control Techniques S erv ice Centre.

If there i s any doubt, contact a Control Techniques Drive Centre.

Page 3

1 Safety Information .................................1

1.1 Warnings, Cautions and Notes .............................1

1.2 Electrical safety - general warning ........................1

1.3 System design ......................................................1

1.4 Environmental limits ..............................................1

1.5 Compliance with regulati ons .................................1

1.6 Safety of personnel ...............................................1

1.7 Risk analysis .........................................................1

1.8 Motor .....................................................................1

1.9 Adjustment of parameters .....................................1

2 Installing the drive ................................2

2.1 Installation considerations .....................................2

2.2 Model sizes and versions .. ....................................2

2.3 AC supply protection .............................................2

2.4 AC supply disturbances - use of line reactors .......3

2.5 Power cables ........................................................3

2.6 Signal cables and connectors ...............................5

2.7 RJ45 connectors and cables .................................6

2.8 SLM connector ......................................................7

2.9 D-type connectors .................................................7

2.10 Method of mounting ..............................................7

2.11 Output current, Ambient temperat ure, Heat

dissipation, De-rating ............................................7

2.12 Thermal protection ................................................8

2.13 When to use a braking resistor .............................8

2.14 Braking resistor data .............................................8

2.15 Braking resistor precautions .................................9

2.16 Thermal protection of the braking resistor .. ..........9

2.17 Braking-resistor example calculations ..................9

2.18 Minimum permissible deceleration time ..............10

2.19 Power rating of the braking resistor ....................10

2.20 Value of the braking resistor ...............................11

2.21 Disabling protection of the internal braking

resistor ................................................................11

2.22 Current setting for a thermal overload protection

relay ....................................................................11

2.23 Enclosure layout .................................................11

2.24 Clearances for the signal cables .........................12

2.25 Enclosure calculations for heat removal .............13

2.26 Mounting the drive ..............................................15

2.27 Attaching the drive to the back-plate ...................16

2.28 Precautions for making p ower connections ........17

2.29 Terminal sizes and tightening torques ................17

2.30 Method of connecting the power cables .............18

2.31 Circuit diagrams f or the powe r connections ........19

2.32 EMC emission standards - compliance

information ..........................................................21

2.33 EMC emission standards - instructions ...............21

2.34 Clearances from the RFI filter and AC supply

cables ..................................................................22

2.35 Additional ground connections f or the signal

cables ..................................................................22

2.36 Bonding the cable shield to the motor frame ......24

Appendix A UL Listing Information ...........25

A.1 AC supply specification .......................................25

A.2 Maximum continuous output current ...................25

Appendix B Data ..........................................26

B.1 M’Ax Data ...........................................................26

B.2 Optional RFI filter dat a ........................................28

Index ..............................................................29

M’Ax InstallationGuide Issue Number: 6 www.controltechniques.com

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Declaration of Conformity

Control Techniques The Gro Newtown Powys UK SY16 3BE

MAX403SL MAX406SL MAX409SL MAX412SL

MAX403AN MAX406AN MAX409AN MAX412AN

The servo drive product M'Ax, modelnumbersas listedabove,hasbeen designedand manufactured in accordance with the following European harmonised, national and international standards:

EN60249 Base materials for printed circuits IEC326-1 Printed boards: general information for the specification writer

IEC326-5 IEC326-6 Printed boards: specification for multilayer printed boards IEC664-1 EN60529 Degrees of protection provided by enclosures (IP code)

UL94 Flammability rating of plastic materials

UL508C Standard for power conversionequipment

Printed boards: specification for single- and double-sided printed boards with

plated-through holes

Insulation co-ordination for equipment within low-voltage systems: principles,

requirements and tests

These productscomply with the Low VoltageDirective 73/23/EECand the CE Marking Directive 93/68/EEC.

W. Drury Executive VP Technology Newtown

Date: 27 March 2001.

This electronic Drive product is intended to be used with an appropriate motor, controller, electrical protection components and other equipment to form a complete en d product o r system. It must only be installed by a professional assembler who is familiar with requirements for safety and electromagnetic compatibility ("EMC"). The assembler is responsible for ensuring that the end product or system complies with all th e relevant laws in the country where it is to be used. Refer to the product m anual or EMC data sheet for furth er information on EMC standards complied with by the product, and guidelines for installation.

Page 5

1 Safety Informati on

1.1 Warnings, Cautions and Notes

A Warning contains information which is essential for avoiding a safety hazard.

WARNING

A Caution contains information which is necessary for avoiding a risk of damage to the product or other equipment.

CAUTION

NOTE

1.2 Electrical safety - general warning

The voltages used in the drive cancausesevere electrical shock and/or burns, and could be lethal. Extreme care is necessary at all times when working with or adjacent to the drive. Specific warnings are given at the relevant places in this Installation Guide,and the accompanying User Guide. The installation must comply with all relevant safety legislation in the countryof use.

1.3 System design

The drive is intended as a component for professional incorporation into complete equipment or a system. If installed incorrectly,the drive may present a safety hazard. The drive uses highvoltage and currents, carries a high levelof stored electrical energy, and is used to control equipment which can cause injury. Close attention is required to the electrical installation and the system designt o avoidhazards,either in normaloperation or in the event of equipment malfunction. System design, installation, commissioning and maintenance must be carried out by personnelwho have the necessary training and experience. They mustread this safety information and this Installation Guide carefully. To ensure mechanicalsafety,additional safetydevicessuch as electromechanical interlocksmay be required. The drivemust not be used in a safety critical application without additional high integrity protection against hazards arising from a malfunction.

1.4 Environmental limits

Instructionsin this User Guideregarding transport,storage, installation and use of the drive must be complied with, including the specified environmental limits. The drive must not be subjected to excessive physical force.

A Note containsinformation which helps to ensurecorrect operation of the product.

1.6 Safety of personnel

The STOP function of the drive does not removedangerous voltages from the output of the drive or from any external option unit.

The STOP and START controls or electrical inputs of the drive must not be relied upon to ensure safety of personnel. If a safety hazard could exist from unexpected starting of the drive, an interlock that electrically isolates the drive from the AC supply must be installed to prevent the motor being inadvertently started.

Carefulconsideration must be given to the functions of the drivewhich might resultin a hazard,eitherthrough their intended functions or through incorrect operation due to a fault (e.g. stop/start, forward/ reverse, maximum speed). Under certain conditions, the drive can suddenly discontinue control of the motor.If the load on the motor could cause the motor speed to be increased (e.g. in hoists and cranes), a separate method of braking and stopping the motor must be used (e.g. a mechanical brake). Before connecting the AC supply to the drive, it is important that you understandthe operatingcontrolsand their operation. If in doubt,do not adjust the drive. Damage may occur, or lives be put at sisk. Carefully follow the instructions in this Installation Guide. Beforemaking adjustments to the drive, ensure all personnelin thearea are warned. Make notes of all adjustmentsthat are made.

1.7 Risk analysis

In any application where a malfunction of the drive could lead to damage, loss or injury, a riskanalysis must be carriedout, and where necessary, further measures taken to reduce the risk. This would normally be an appropriate form of independent safety back-up system usingsimpleelectro-mechanical components.

1.8 Motor

Ensure the motor is installed in accordance with the manufacturer’s recommendations.

Servomotorsare designed to operate at elevated temperatures which may reach 100

contact should be taken.

1.9 Adjustment of parameters

Some parameters have a profound effect on the operation of the drive. These parameters must not be adjusted without careful consideration of theimpactthat wouldbemadeon the controlled system.Measuresmust be taken to prevent unwanted changesfrom being made, e.g. due to error or tampering.

C. Where necessary, precautionsto preventhuman

1.5 Compliance with regulations

The installer is responsible for complying with all relevant regulations, such as national wiring regulations, accident prevention regulations and electromagnetic compatibility (EMC) regulations. Particular attention must be givento the cross-sectionalareasof conductors, the selection of fuses or otherprotection, and protective earth(ground) connections. This Installation Guide contains instruction for achieving compliance with specific EMC standards. Withinthe European Union, all machinery in which thisproductis used must comply with thefollowing directives:

• 97/37/EC: Safety of machinery.

• 89/336/EEC: Electromagnetic Compatibility.

M’Ax Installation Guide 1 Issue Number: 6 www.controltechniques.com

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2 Installing the drive

2.1 Installation considerations

Adhere to the instructions The mechanical and electrical installation instructions

WARNING

must be adhered to. Any questions or doubt should be referred to the supplierof the equipment.It is the responsibility of the owner or user to ensure that the installation of thedrive and any external option unit, and the way in which they are operated and maintained, comply with the requirements of the Health and Safety at Work Act in the United Kingdom or applicable legislation and regulations and codes of practice in the country in whichthe equipmentis used.

Motor voltage The motor must be suitable for use with a M’Ax drive and its required supply voltage.

CAUTION

Competence of the installer The drive must be installed only by professional assemblers who are familiar with the requirements for safety and EMC. The assembler is responsible for ensuring that the end-product or system complies with all the relevant laws in the country where it is to be used.

Flash/insulation testing The driveand RFI filter have internal electrical components connected between the AC-supply phases

CAUTION

and ground. In order to avoid damaging these components when flash or insulation testing the ACsupply circuit and/or motor circuit, first disconnect the drive completely from the circuit to be tested.

Electromagnetic compatibility

The drive contains powerful electronic circuits which can cause electromagnetic interference. The information and instructions in this chapterinclude routine EMC precautionsthat will minimise the risk of disturbanceto typical industrialcontrol equipment.These include installing the drive in a metal enclosure as well as careful attention to the layoutof the connectingcables. Additional precautions must be taken if any of the following apply:

• Strict compliance with emission standardsis required

• It is known thatelectromagnetically sensitive equipment, such as radio receivers, is located nearby

• Thedriveistobeoperatedinaresidentialenvironment

The information and instructions relating to theseadditionalprecautions are contained in the EMC emission standardssections later in this chapter. These precautions include installing an RFI filter in the AC supplyto each drive andadditional attention paid to cables and grounding.

2.2 Model sizes and versions

Table 2-1 Model sizes, model numbers and current ratings

Output c urre nt

Model size Model

M’Ax403

M’Ax406

M’Ax409

M’Ax412

Maximum

continuous

3.5 A

6.5 A

9.5 A

12.5 A

Maximum

overload (2s max.)

7.0 A

13.0 A

19 A

25 A

All imperialmeasurements (in feetand inches) are an approximation of their metric translations.

CAUTION

Authorised access

Only authorised, trained service personnel should be allowed access to the drive.

Installation in an enclosure

The drive must be protected against water, condensation and electrically conductive contamination.

The drive has ingress protection ratedat IP20 (in accordance with IEC60529). UL listing is valid when the drive is installed in a type 1 enclosure as defined in UL50.

Fire enclosure

The drive case is not classified as a fire enclosure.When this protection is required, the drive should be installed in a fire enclosure.

Hazardous areas

The drive not be located in a classified hazardousarea unless it is installed in an approvedenclosure and the installation is certified.

Environmental

See Appendix A for UL-listing information. See Appendix B Data for environmental requirements. If condensation is likely to occur when the drive is not in use, an anticondensation heater must be installed. This heater must be switched off when the drive isin use; automatic switching is recommended. If the drive is to be mounted directly above any heat-generating equipment (such as another drive), the maximum temperature of the air immediately below the drive should be taken as the ambient temperature for the drive.

Table 2-2 Versions

Suffix Functionality

_SL

(eg. M’Ax 403_SL)

_AN

(eg. M’Ax 403_AN)

Standard-precision analog input No display and keypad High-precision analog input Displayand keypad

AC supply requirements

380V to 480V ±10% 3-phase

47.5 to 63Hz

Maximum supplyimbalance: 2% negative phase sequence (equivalent to 3% voltage imbalance between phases)

2.3 AC supply protection

The AC supply to the drive must be fitted with suitable protection against overload and short-circuits. Table 2-3

WARNING

Include a fuse of the specified rating in each phase of the AC supply. The use of the following types of fuse is recommended:

• Europe: TypegG HRC industrial fuses to IEC 60269 (BS88)

•USA:CC600VAC

shows recommended fuse ratings. Failure to observe this recommendation will cause a risk of fire.

The AC supply to the drive must have a sufficiently low impedance path to ground so that a ground fault would cause the AC supply protection to operate.

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An MCB or MCCB having thecorrectthermal and magnetic trip ratings may be used in place of fuses, on condition the fault-current clearing capacity is sufficient for the installation.

NOTE

UL listing is dependent on the use of the correct type of UL-listed fuse, and applies when the symmetricalshort-circuit current does not exceed 5kA. Refer to Appendix A UL Listing Information.

Table 2-3 Fuse ratings

Model Fuse rating

M’Ax 403 10A M’Ax 406 15A M’Ax 409 20A M’Ax 412 20A

2.4 AC supply disturbances - use of line reactors

When a driveis connected to an AC supplywhich is subject to severe disturbances - for example, if any of the following conditions apply...

• Capacity exceeds 200kVA

• Faultcurrent exceeds 5kA

• Power-factor correction equipment is connected close to the drive

• Large DC drives having no or ineffective line reactors are connected

to the supply

• Direct-on-line started motor(s) are connected to the supply and,

whenany of these motors are started,a dip is producedin excessof 20% of the actual supplyvoltage

... excessive peak current may flow in the input power circuit of the drive. This may cause nuisance tripping or, in extreme cases, failure of the drive. A line reactor should then be connected in each phase of the supply to eachdrive. Line reactor(s)add the required impedanceto the ACsupply in order to reduce current transients to a level that can be tolerated by the drive. Threeindividual reactors,or a singlethree-phase reactorshould be used. Each drive must have its own reactor(s).

RFI filters (for EMC purposes) do not give adequate protection against these conditions.

CAUTION

Table 2-4 Typicalline-reactorvalues

Model Value Part no

M’Ax 403 2mH 4402-0227 M’Ax 406 2mH 4402-0227 M’Ax 409 1mH 4402-0228 M’Ax 412 1mH 4402-0228

Current ratings Continuous rms: Not lesst han the continuous input current rating of

the drive

Repetitive max rms:Not less than 4 x continuous input current rating of

the drive (to avoid magnetic saturation)

2.5 Power cables

Wiring must be in accordance with local regulations and codes of practice. The table below shows typical PVC

WARNING

The cable sizes recommendedin Table 2-5 are in accordancewith EN60204-1; installation method:B2 - one loaded cable in conduitor trunking attached to a wall.

Table 2-5 Power cable sizes, metric

The cable sizes recommendedin Table 2-6 are in accordancewith UL508C; installation method: one loaded three phase cable in conduit

Table 2-6 Power cable sizes, imperial

NOTE

This assumes the motor maximum current matches that of the drive. Where a motor of reduced rating is used, the cable rating may be chosen to match that of the motor. To ensure that the motor and cable are protected againstover-load, the drive must be programmed with the correct motor rated current.

Ground conductors

A ground conductor can be includedin the motor and brakingresistor cables, or a separate wire external to thesecablescan be used.

Motor cable

Most cables have an insulating jacket between the cores and the armour or shield; these cables have a low capacitance.When using a cableof this type, observe the recommended maximum lengthsstatedin Table 2-7 .

Table 2-7 Maximum cable lengths

* Cable lengths in excess of the specified values may be used only when special techniquesare adopted; refer to the supplierof the drive.

Cable capacitance

High-capacitance cablestend not to have an insulating jacketbetween the cores and the shield or armour. If a cable of this type is used, the maximum cable length is half the figure quoted in Table 2-7 . For identification, see Figure 2-1.

cable sizes for power input and output wiring. In the event of a conflict, local regulations prevail.

Model

M’Ax403 M’Ax406 M’Ax409 M’Ax412

Model

M’Ax403 M’Ax406 M’Ax409 M’Ax412

Model

Input cable Output cable

1.5mm

2.5mm

4.0mm

Input cable Output cable

16 AWG 14 AWG 12 AWG 12 AWG

Cable size

2 2 2 2

1.0mm

1.5mm

2.5mm

2 2 2 2

Cable size

18 AWG 16 AWG 14 AWG 14 AWG

Maximum cable length *

mft

M’Ax 403 50 165 M’Ax 406 50 165 M’Ax 409 50 165 M’Ax 412 50 165

M’Ax Installation Guide 3

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Page 8

Figure 2-1 Cable construction influencing the capacitance

Normal capacitance

Shield or armour separated from the cores

Parallel connection of DC buses

When a number of drives are used in a system, it is possible to connect their DC buses in parallel in order to allow energy sharing, especially when one or more motors are being braked. Operation in this manner is not coveredby this Installation Guide; cable sizes and otherinformation can be obtaine from the supplier of the drive.

High capacitance

Shield or armour close to the cores

4 Cable terminations

For connection to the drive For connection to the motor

A Termination ferrules 6-way size-1 plug C Termination ferrules Termination ferrules K Termination ferrules 6-way s ize-1.5 plug L Cut ends 6-waysize-1.5 plug

T ermination ferrules / Ring for

M’Ax

6-way size-1 plug

X Cutends Cut ends

5 Cable length

Specify length in metres Minimum: 002 (2 metres) Maximum: 050 (50 metres)

Ordering motor cables

Cablesof the required lengths and type of sheath,and fittedwith appropriate terminations to suit the drive and CT-Dynamics SL motors, are supplied by Control TechniquesD ynamics Ltd. For ordering, create the required ordercode (see below)and contact the supplierof the drive. The order code is constructed as follows:

See opposite for the details of the code.

1 Number of conductors

PS 3-phase + ground

3-phase + ground

+ motor-brake control

2 Type of sheath

PUR

Use for dynamic applications (motor mounted on a moving structure) – increased oil resistance

Example

PSBAM010

10m Unimotorconnection to ferrules power cable for a dynamic application

3 Conductor size (phases and ground) Current rating

G A B C D

NOTE

The values stated are for 40

1.5mm

2.5mm

4.0mm

6.0mm

10.0mm

C ambient free air applications.

16A 22A 30A 39A 58A

Information should only be used for reference.

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2.6 Signal cables and connectors

43543216785

432

167854321678678543210

Figure 2-2 Plan view of top of drive: Locations of the terminals and their connector

Digital I/O

Frequency input

Quad. A input

Direction input

Quad. B input

Hardware enable

Digital output 4

0V COMMON

SLM-and-user back-up supply

Touch-trigger

Output 1

Input 1

Output 2

Input 2

Output 3

Input 3

Output 4

Input 4 Input 5

Input 6

+24V

input

Non-inverting input/output Inverting input/output

Terminate pulse reference inpu t connections (frequency / direction or quadrature inputs) at the drive by

CAUTION

connecting across the related input terminals a resistor whose value equals the characteristic impedance of the cable that is being used. When more than one drive is connected a resistor is required only at the last drive. 0V and 0V common must be used only in conjunction with their related signal connections, and must not be used in place

CAUTION

of each other.

Any cable connecting to the SIM ENC connector should have its cable shield connected to Pin 15. Failure to d o so can

CAUTION

result in damage to the drive.

Wait30 secondsafter removing power to the drive before inserting or removing control cables as ‘hot plugging’ cables can

CAUTION

result in damage to the drive or SLM.

DIGITAL I/O SIM ENC

15 14 13 12 11

24V user supply 0V COMMON

Input 7 Input 8

0V COMMON

24V user supply 0V COMMON

0V COMMON

STANDALONE MC/EIA485

Digital I/O

High-precision analog input

Standard-precision

SLM-and-user back-up supply

ultidrop

output

A output

analog input

om\ om\

Hardware enable

Status-relay

contact

0V COMMON

+24V

V COMMON

24V SLM supply

ardware enable

Drive-status supply

com\ com\

24V user supply

0V COMMON

ardware enable

rive-status supply

om\

com\

V COMMON

4V loopsupply

ardware enable

rive-status output

IA232

ardware enable

rive-status input

om\

com\

32 TXD

32 RXD

V COMMON

4V loop input

om\

com\

Analog output 1 0V Analog output 2

Z output

Cable shields

EIA 485

TX\ 24V user supply 0V COMMON

EIA 485

RX\

0V COMMON

SLM

MULTIDROP

OUT

MULTIDROP

IN/PC

WARNING

Isolation The signal connections are isolated from the power circuits by basic insulation only. Ensure that all external control circuits connected to this connector are separated from human contact by at least one layer of insulation rated for use at the AC supply voltage.

NOTE

0V connections Do not connect 0V COMMON to 0V, or use these in place of each

other; doing so may cause instability in use. See Functions of the signal terminals in Chapter 2 of the M’Ax User Guide.

M’Ax Installation Guide 5 Issue Number: 6 www.controltechniques.com

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2.7 RJ45 connectors and cables

RJ45 connectors

For connection to the following connectors on the drive...

•SLM

•MC

• MULTIDROP OUT

• MULTIDROP IN/PC

... use the following:

Cables

Up to four twisted-pairs having an overall shield (unused wires must not be connected to pins at the other end)

Maximum length: 50m (165ft) Maximumdiameter:6.6mm (

Static installations:for example, use BICC type S-FTP patch,four twisted pairs, 5.33mm diameter

/4in)

Ordering signal cables

Cablesof the required lengths and fitted with RJ45 connectors as required are supplied by Control Techniques Dynamics Ltd. For ordering, create the required order code (see below) and contact the supplier of the drive.

The order code is constructed as follows:

Details of the code are as follows:

1Typeofcable

SL Two twisted pairs in overall shield

Dynamic installations: for example, use Intercond type 3MBM 26P 02P, 2 twisted pairs, 5.5mm diameter

Connectors

Shielded 8-way RJ45 plugs

1 2 3 4 5 6 7 8

Connectthe pinsin pairs as shown. Comb out the braided shield, fold the strands back and trap them under the cable clamp to ensuregood electrical contact with the clamp.

2Typeofsheath

PUR

Use for dynamic applications (motor mounted on a moving structure) – increased oil resistance

3 Options

A Standard

4 Cable terminations

F RJ45 plug 5-way Din connector Drive to SLM G RJ45 plug Cut end K RJ45 plug RJ45 plug Drive to drive

X Cut end Cut end

5 Cable length

Specify length in metres Minimum: 002 (2 metres) Maximum: 050 (50 metres)

Wait 30 seconds after removing power to the drive before inserting or removing control cables as ‘hot plugging’

CAUTION

cablescan result in damage to the drive or SLM.

Do not use unshielded plugs. Use RS Component part no 290-4780 for shielded

WARNING

connector 5.7mm, or Use RS Component part no 342-2087 for shielded connector 6.6mm

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2.8 SLM connector

10V+

SLM(

Figure 2-3 Connecting the SLM cable to the connectors (only the relevant parts of the connectors are shown)

com\

com

+24V

Drive

(RJ45)

com

com/

+24V

2 3 4 5 6 7 8

5 1

3 2 4

1 2 3

Drive

Incorrect wiring of this cable could result in failure of the

WARNING

M’Ax or SLM.

Wait 30 seconds after removing power to the drive before inserting or removing control cables as ‘hot plugging’

CAUTION

cablescan result in damage to the drive or SLM.

1. 8-way shielded cable having an overall diameter not greater than

6.6mm(

/4in)

2. Maximum length: 50m (165ft)

3. Route the cable by the shortest convenient path and so that it is no closerthan 300mm (1ft) from any powercable.

4. Overall shield of tinned copper braid. Comb out the braid at both ends, fold the strands back and trap them under thecable clamp to ensuregood electrical contactwith the connector shell.

5. The required twisted pairs connected to the DIN connector, the unwanted twisted pairs should be cut at each end and insulated to prevent inadvertent contact.

6. Make the wire ends as short as possible (this affects performance).

7. AmphenolC091 31D005 100 2 5-way screw-locking DIN connector meetingIP67.

8. Shielded RJ45 8-way plug

2.9 D-type connectors

For connection to the following connectors on the drive...

•SIMENC

• MC/EIA485

• DIGITAL I/O

• STANDALONE

... use the following:

SLM

24V

4 5

com

om/

DIN)

Cables

Manyof the signalsare EIA485 comms.and thesemust use twisted pairsof the correct characteristicimpedancecables having tinnedcopperstranded conductors, overallbraidedshield Maximum overall diameter:dependson the D-typeconnector being used

Connectors SIM ENC MC/EIA485

15-wayhigh-density male D-type having a metalshell (improved EMC type)

DIGITAL I/O STANDALONE

15-wayhigh-density female D-typehaving a metal shell (improved EMC type)

2.10 Method of mounting

The two mounting brackets fittedto the driveare intended for mounting the drive on the back-plate of the enclosure. Exhaust heat from the drive is emitted in front of the back-plate. (Mounting instructions are given laterin this chapter.) Alternativelythe drivecan be mounted through an aperture in the backplate to allow the exhaust heat t o be emitted behind the back-plate.I n this case, the two mounting brackets fitted to the drive must be removed, modified and re-fitted; the ground bracket supplied with the drive must also be modified.For instructions, refer to the supplier of the drive.

2.11 Output current,Ambient temperature, Heat dissipation, De-rating

NOTE

Theambienttemperature shouldbe taken as the temperature of the air immediately under the drive. This is especially important when the drive is to be installed above heat-generating equipment.

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Page 12

The drive can supply the rated maximum continuous output current (FLC) as follows...

ModelsM’Ax 403 and M’Ax 406: Up to an ambient temperature of 55°C (131°F) ModelsM’Ax 409 and M’Ax 412: Up to an ambient temperature of 45°C (113°F); from 45°C to 55°C (131°F), the maximum permissible continuous output currentis reducedto 8.5A and 10.5A respectively.

2.13 When to use a braking resistor

When an AC motor is decelerated,or the drive is preventing the motor from gaining speed due to mechanical influences, energy is returned to the drive from the motor. When this energy is too great for the drive to absorb, the DC-bus voltage is raised, which increases the possibility of the drive trippingdue to excessive DC-bus voltage.

If the driveis to be used at an altitude in excess of 2000m (6600ft), deratingfor altitude must be appliedto the output current; see Altitude on page 26.

Make a note of the following values for the model to be used; you will need to know theselater:

• Maximum intended ambient temperature (T

max) (required for

AMB

calculating the enclosure size later in thischapter)

• Maximum continuous output current(if this needs to be a de-rated value)

• Maximum heat dissipated into the enclosure

Current de-rating If this precaution is not taken, the output current of the drivecan exceedthe maximum permissible value. This

CAUTION

may result in loss of motor control due to excessive heatsink temperature causing the drive to trip.

2.12 Thermal protection

The power output stage (IGBT bridge) of thedrive is protectedas follows:

• When the heatsink temperature reaches an alarm level the drive continues operating;the lower line of thedisplayindicates hot as a pre-warning

• Ifthe load is not reducedand the heatsinktemperaturecontinues to rise the drive will trip; the lower line of the display indicates O.ht2

Depending on the braking requirements, an internal braking resistor fitted in the drive, or an external braking resistor, can be used for absorbingthe returned energy. Thebraking resistoris t hen switchedinto circuitby an internaltransistor when theDC-busvoltagereaches 780V.

The required value for the braking resistor is determined by the maximum required braking torque, while the required power rating is determined by the amount of energy to be dissipated, the duty cycle and repetition time, as well as the cooling available for the resistor. When the valueand power rating havebeencalculated,a decisioncan be made to use the internal resistoror an external resistor.

It is important that the brakingresistor is adequately ratedo therwise the drive could trip due to excessive DCbus voltage; braking will then cease, allowing the motor

CAUTION

to coast uncontrolled.

2.14 Braking resistor data

Table 2-9 Internal braking resistor

Value 75Ω Operating voltage (V

)

Peak current rating 10.9A Peak power rating 8.9kW Maximumcontinuous braking power 125W

780V at switch-on 760V at switch-off

Table 2-8 Maximum currents and heat dissipated into the enclosure (these do not show de-ratingfor altitude)

Maximumheat

Output current

dissipated into

enclosure

Model

AMB

max.

Maximum

continuous

Maximum

overload

(2 secs.

max.)

Using internal braking resistor

enclosure

M’Ax403

M’Ax406 55

M’Ax409

M’Ax412

(131

(113

(131

(113

(131

3.5A 7.0A 250W 100W

6.5A 13.0A 290W 140W

9.5A 19A

8.5A 17.0A

12.5A 25A

10.5A 21A

330W 180W

350W 200W

Using external braking resistor

mounted

outside

the

Table 2-10 External braking resistor

Absoluteminimum permissible value

Operating voltage (V

)

Maximum possible braking current (through 40Ω)(Ib

MAX

)

40Ω

780V at switch-on 760V at switch-off

20.5A

Peak power rating for 40Ω 16.8kW Continuous power rating

(See Braking-resistor example calculations later in this chapter)

The instantaneouspowerratingrefers to the power dissipated during the conducting periods (milliseconds) of the braking transistor (this operates undera form of pulse width modulation during braking).Higher resistance values require proportionately lower instantaneous power ratings.

The required averagepower rating of (and heat dissipated by) the braking resistor depends on the duty cycle of the application (see 2.17 Braking-resistor example calculations on page 9).

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2.15 Braking resistor precautions

Electric shock risk The voltages present on the braking resistor, its

WARNING

associated components and terminals on the driveare capable of inflicting a severe electric shock and may be lethal.

Thermal overload protection When an external braking resistor is used, it is essential that a thermal overload protection device is incorporated in the braking-resistor circuit in order to minimise the risk of fire in the event of unexpectedly high current, or loss of control of the braking circuit. A typical protection circuit is shown in the following section, Thermal

protection of the braking resistor.

2.16 Thermal protection of the braking resistor

High temperatures Braking resistors can attain high temperatures and

WARNING

When a braking resistor is to be used, ensure the following:

• Include a lock-out circuit that will prevent the AC supply from being

• An external braking resistor should be capable of tolerating thermal

• It is essential that the instantaneous and average power ratings of

• Whenan external braking resistoris mounted insidethe enclosure,

• Always use shielded or steel wire armoured cable for connecting an

When an external braking resistoris used, a thermal-protectioncircuit must be added. This must disconnectthe AC supplyfromthe drive if the brakingresistorbecomes overloaded. For guidance,Figure2-4 showsa typical circuit arrangement (complete circuit diagrams for the power connections appear later in this chapter).

When the internal braking resistor is used, a thermal-protection circuit is not requiredsince thermal-modelling in the drivecauses the drive to trip if the r esistor becomesoverloaded (trip code: It.br); also, the braking resistor itself is fail-safe.

should be segregated from temperature-sensitive equipment and personnel.

re-connected to the driveuntilthe cause of a trip has been fully investigated.

shock; pulserated resistors are recommended.

the braking resistor are sufficientfor the most extreme braking duty that is likely to be encountered. If the internalbraking resistoris overloaded, the drive will trip (trip code: It.br).

or the i nternal braking resistoris used, the heat dissipated by the resistor will increase the ambient temperature inside the enclosure. (The value of heatdissipationis used forcalculating the enclosure size or ventilation which are described later in this chapter.)

external braking resistor.

Figure2-4 Typical protection circuit for an external braking

1. START/RESET switch (momentary)

2. STOP switch (latching)

3. Control-circuit supply

4. Contactor coil

5. Thermal overload protectionrelay

6. External braking resistor

7. 380 ~ 480V AC supply to the drive

8. Drive power connectors.

2.17 Braking-resistor example calculations

Conditions

Model:M’Ax409

Maximum peak output current (Ipk) from the drive (for 2 seconds maximum): 1 9A

Full-load speed (n)ofmotor:4000RPM Continuous stall torque (T

Motor K Motorinertia(J Loadinertia(JL): 10.29 x 10-3kg m Total inertia (JT= JM+ JL): 13.7 x 10-3kg m

Required deceleration time (td) from full to zero speed: 0.5 second Repeat cycle time for deceleration (t Minimump ermissiblebraking-resistorvalue: 40Ω

Operating voltage(V

=1.6Nm/A

): 3.43 x 10-3kg m

) at switch on: 780V

resistor

)ofmotor:12.2Nm

): 7 seconds

M’Ax Installation Guide 9 Issue Number: 6 www.controltechniques.com

Page 14

2.18 Minimum permissible deceleration time

The minimum permissible decelerationtime is limited by thefollowing:

• The peak current of the drive (Ipk)

•Theintermittent torque limit of the motor (the value of torque that the

motor can deliver for a specified time - see the motor manufacturer’s data)

1. Calculate the maximum torque that the motor would produce when

the drive is delivering peak current (19A), as follows:

bDRIVEIpkKT

Thedrivewouldcausethisvalueoftorquetobeproducedforupto2 seconds.

2. Refer to the the motor manufacturer’s data to obtain the permissible

overload (continuous stall torque) for 2 seconds. Then use this figure to calculate the intermittenttorque limit for the motorfor a 2-second duration.For this example,3 times thenominal torquerating is assumed,as follows:

bINTTCS

3. For calculating the minimum permissible deceleration time (t

use the lower of the two calculated values, as follows:

bMAX

4. The followingequation is usedas thebasisfor the calculations:

Usethefollowingderivativeof the equationto calculatethe minimum permissible deceleration time (t

load speed:

bMIN

× 19 1.6× 30.4Nm===

3× 12.2 3× 36.6Nm===

30.4Nm=

JTn

------ ----

----- -

JTπn

------ ----------- -------- -

30M

bMAX

Nm()×=

) for stopping the motor fromfull-

bMIN

2.19 Power rating of the braking resistor

1. Calculate the kinetic energy (EK) that will be dissipated in the braking resistor, as follows:

n π×

æö

0.5 J×

0.5 13.7× 10

1.2kJ=

2. Calculate the average power over deceleration time (td):

------ -

1.2kJ

---------------

3. Calculate the average power (P whole cycle:

------ -

1200

------ ------ -

When the value ofPavis less than 125W, the internal braking resistor can be used. For this example (which shows marginal

conditions), an external braking resistor must be used in order to reduce the risk of the drive tripping under braking; tripping would remove control from the motor, allowing it to coast.

4. Since brakingis planned to occurintermittently, an external resistor can be ratedfor intermittent rather than continuouspower dissipationso that the overload factor of the resistor can be used. This factor can beobtained fromcooling curves for theresistor, as shown in Figure 2-5.

Figure 2-5 Example cooling curves for power resistors (in

practice, refer to the cooling curves for the resistor to be used)

×=

0.5

Overload factor

------ ------ -

èø

3– 4000 π×

æö

××=

èø

2.4kW==

171W==

------ ----------- -----

) that will be dissipated over the

epeat cycle times

9 8 7 6 5 4 3 2 1

7s 1min5min

30s 30min

13.7 103–×π× 4000×

----- ----------- ----------- ----------- ----------- ---------- -

bMIN

Check that t

30 30.4×

is less than td;ifnot,systemdesignmustbe

bMIN

0.19 ondsec==

reconsidered.

Resulting torque

Calculatethe torquethat resultsfromtherequired decelerationtime, as follows:

JTn

----------

------ ----

× Nm()=

13.7 103–×π× 4000×

------ ----------- ----------- ----------- ----------- -------- -

0.5 30×

11.5Nm==

0.1 0.2 0.5 1 2 5 10 20 50

Deceleration time

5. The coolingcurves indicatethat for a brakingtime of 0.5 second and repeatcycletimeof7seconds,theoverloadfactor(F)is3.5.

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Page 15

6. Calculate the minimum required power rating of the resistor, as follows:

RMIN

----------

2.4 10

------- ----------- ----- -

3.5

0.7kW== =

If the braki ng resistor is tobe mounted inside the enclosure,make a note of this value;you will need it whencalculating the enclosure size.

In practice,use a resistor having a powerrating higher than the calculated value. For thisexample: P

=750Wor0.75kW

2. Select a model of thermal overload relay that can be set at 1.9A

3. Calculate the maximum current that could flow througha resistor (e.g. due to the braking resistor becoming short circuit), as follows:

780

------ -

------- -- -

Rpk

4. Calculate the overload factor for this condition, as follows:

Rpk

---------------

===

S\C

SET

5. Use the tripping curves to findthe time that thethermaloverload relay will take to trip (e.g. 30 seconds approximately).

200

3.9

------- - 2

1.9

3.9A== =

2.20 Value of the braking resistor

1. Calculate the maximum suitable value for the braking resistor, as follows:

()

MAX

------ -------- -

780

------ ------------ ----- -

2.4 10

250Ω== =

2. Inpractice,usearesistorhavingapreferredvalueclosetoand lowerthan the calculated value.This is becausethecalculatedvalue would cause the braking transistor to be switched on almost continuouslyduringbraking.In this case, the drive will nothave full controlof the DC-bus voltage.A lower value of braking resistor will causethe brakingtransistorto act as a chopper whichwillthen allow the drive to control the DC-bus voltage m ore accurately.

The reduction in value does not increase the power dissipation since the average voltage across the resistor is reduced by the braking transistor operatingas a chopper.

For this example: R=200Ω

2.21 Disabling protection of the internal

braking resistor

The internalbrakingresistor is protected against I2toverloadby calculationsperformed in the drive software. When an externalbraking resistorbeingused,thiscalculationmustbedisabledinordertoremove the possibility of it causingthe drive to trip unnecessarily.

Balancedoperation 3-phase, from cold state

Balancedoperation 2-phase, from cold state

Balancedoperation 3-phase,

Time (s)

aftera long period of set current flow (hot state)

100

20 10

0.5 1 2 5 10 17

X current setting

(F)

2.23 Enclosure layout

Refer to Figure 2-6 for minimumclearances above and belowthedrive. The bookcase format allows drives to be mountedin rows withno need for horizontal spacing.

Figure 2-6 Minimum clearances above and below the drive

Todisable the I

t protection for the internalbraking resistor,make a note to set parameter 10.55at 1 whenfollowingChapter6 Setting Up the drive for Basic Applications in the UserGuide.

Do not disable the I

t protection when the internal

braking resistor is to be used.

CAUTION

2.22 Currentsetting for a thermal overload

protection relay

1. Calculate the maximum permissible continuous current through

the brakingresistor that is to be used, as follows:

750

------- -- - 1.9A== =

Rmax

------ -

200

where:

is the continuouspower rating of the resistor to be used ( not

the minimum requiredpower rating)

R is the actual value of the braking resistor (not the calculated value)

M’Ax Installation Guide 11 Issue Number: 6 www.controltechniques.com

Refer to Figure 2-7 for the arrangement of the associated equipment and wiring in the enclosure. This diagram shows two drives, one having an external brakingresistor connected. When EMC emission standards are to be met, an RFI filter will need to be included for each drive; see the sections on EMC emission standards later in this chapter.

Page 16

Figure 2-7 Arrangement of the drive and associated equipment in

the enclosure

EMC compliance

When compliance with EMC emission standards is required, additional precautions must be taken; see the EMC emission standards sections laterin this chapter.

2.24 Clearances for the signal cables

Recommendedclearances areshown on this page;theyarerequiredfor routine EMC precautions as well as for compliance with EMC emission standards.

Clearance from the drive

Do not locate sensitive signalcircuits or pass signalcableswithin 300mm(12 in) of the drive.

1. Enclosure. For high ingress protection, this must be sealed and the drive mounted on the back-plate.

2. Enclosure back-plate.

3. When an external braking resistor is to be used, mount the resistor either above or inside the enclosure, as follows...

Inside Locate theresistor on or near the top panel. Outside Mount the resistor in an adequately ventilatedmetal

housing that will prevent inadvertent contact with the resistor.A separate external braking resistor must be used for each drive (unless their DC-buses are connected in parallel).

4. Thermal overload protection relay required for each external braking resistor. Locate as required.

5. System controller. Locate as required.

6. Signal cables and circuits. See the next section in this chapter for clearances.

7. Drivemountedverticallyon the enclosure back-plate (see 1. above).

8. Power cables.P osition as required.

9. Isolator, contactor, and fuses or MCBs. Locate as required.

10. Alternative locationso f fuses or MCBs. Locate asrequired.

11. Power cables entering the enclosure. Position as required.

Clearance from power cables

Do not pass signal cables within300mm (12 in) of:

• Motor cables

• Braking resistor cables

• AC supply cables

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Page 17

Crossing angle

When power and signalcables cross,the crossing angle must be 90°.

Total heat dissipation

1. Add the dissipation figures from step 6 (in Planning the installation)

for each drive thatis to be installedin the enclosure. Make a note of the total value.

2. IfanRFIfilteristobeusedwitheachdrive,addthedissipation

figures from step 29 (in EMC emissionstandards – instructionslater in this chapter) for each RFI filter that is to be installed in the enclosure. Make a note of the total value.

3. If the braking resistoris to be mounted inside the enclosure,add the

average power dissipation from step 12 (in Planning the installation) foreachbraking resistorthat is to be installedin the enclosure.Make a note of the total value.

4. Make a note of the total heat dissipation(in Watts) of any other

equipment to be installed in the enclosure.

5. Add the heat dissipation figures obtained (as appropriate) from lines

1, 2, 3 and 4 above. This gives a figure in Watts for the total heat that will be dissipatedinside the enclosure. Make a note of thisfigure.

Calculating the size of a sealed enclosure

The enclosuretransfers internally generatedheat into the surrounding air by natural convection(or external forced air flow);the greaterthe surface area of the enclosure walls, the better is the dissipation capability. Only the surfaces of the enclosure that are unobstructed (not in contact with a wall or floor) can dissipate heat. Calculate the minimum required unobstructed surface area A

enclosure from:

------ ----------- ----------- -----

–()

iTamb

Where:

Unobstructed surface area in m2(1m2= 10.8ft2)

Maximum expected ambient temperature in °C outside the

amb

enclosure

Maximumintended ambient temperaturein °C insidethe

enclosure

P Power in Watts dissipated by all heat sources in the

enclosure

k Heat transmission coefficientof the enclosure material

in W/m

/°C

for the

2.25 Enclosure calculations for heat removal

Decidewhether the enclosure is to be sealed or ventilated, asfollows:

Sealed enclosure

Asealedenclosurecangiveahighingress-protectionrating,butwith reduced heat removal capabilities. If possible, locate heat-generating equipment (other than braking resistors) in the lower part of the enclosure to encourage internalconvection. If necessary, a taller enclosure, and/or air-circulation fans inside the enclosure, can be used. For calculating the minimum size of sealed enclosure that will adequately cool the drive(andother drives),see Enclosure calculations later in this chapter.

Ventilated enclosure

If a high ingress-protection rating is not required, a ventilated enclosure canbeusedwithafantosupplyforcedaircooling;thiscangivealower ambient temperature than asealed enclosure. For calculating the minimum requiredvolume of coolingair, see Calculating the air-flow in a ventilated enclosure on page 14.

NOTE

Take care when performing these calculations in order to ensure the ambient temperature inside the enclosure does not exceed 55°C (131°F)or 45°C (113°F), as appropriate (see step 6 in Planning the installation).

Example

Tocalculate the size of an enclosure for the following:

• Three M’Ax409

• Each driveis to have an externalbrakingresistormountedinside the enclosure

• AnRFI filter (model 3258-16-45) to be used witheach drive

• Maximum ambient temperature inside the enclosure: 55°C

• Maximum ambienttemperature outsidethe enclosure:30°C

Dissipation of the drive:180W (from section 2.11Output current, Ambient temperature, Heat dissipation, De-rating on page 7)

Average dissipation from the braking resistor: 171W (fromsection

2.18 Minimumpermissible deceleration time on page 10)

Dissipation of each RFI filter: 6W (max) (from Installing an RFI filter on page 21

T otal dissipation: 3 x (180 + 171 + 6) = 1071W The enclosure is to be made from painted 2mm (0.0787in) sheet steel

havinga heat transmissioncoefficientk of 5.5W/m front, and two sides of the enclosure are to be free to dissipate heat.

/°C. Only the top,

M’Ax Installation Guide 13 Issue Number: 6 www.controltechniques.com

Page 18

Figure 2-8 Enclosurehaving front,sides and top panels free to

dissipate heat

Ratio of

----- -

Where:

is the air pressureat sea level

is the air pressureat the installation

Typicallyuse a factor k drops in dirty air-filters.

of1.2to1.3,toallowalsoforpressure-

Insertthe following values:

55°C

30°C

amb

k 5.5 P 1071W

The minimum required heat conducting area is then:

(1m

=10.8ft2)

1071

------- ----------- ----------- --- -

5.5 55 30–()

7.8

84ft2()==

Estimate two of the enclosuredimensions- the height(H)and depth(D), for instance. Calculate the width (W) from:

2HD–

------ ----------- -------- -

HD+

Inserting H = 2mand D = 0.6m, obtain the minimum width:

7.8 2 2× 0.6×()–

----- ----------- ----------- ----------- --------

20.6+

2.08m 6ft10in()==

If the enclosure is too large for the spaceavailable, it can be made smaller only by attendingto one or all of the following:

• Reducing the ambient temperature outside the enclosure, and/or applying forced-air cooling to the outside of the enclosure

• Removingotherheat-generating equipment, eg. braking resistors

• Reducingthe number of drives in the enclosure

• Aircirculating fan insideenclosure (see section 2.25 Enclosure calculations for heat removal on page 13)

Example

T ocalculate the required air flow in an enclosure for the following:

• ThreeM’Ax409

• Eachdrive is to have an external brakingresistor mounted outside the enclosure

• Maximum ambient temperature inside the enclosure: 55°C

• Maximum ambient temperature outside the enclosure: 30°C

•Atsealevel(k

=1forthisexample)

Dissipation of each drive: 180W (from section 2.11 Output current, Ambient temperature, Heat dissipation, De-rating on page 7)

T otal dissipation: 3 x 180 = 540W

Insert the following values:

55°C

30°C

amb

1.3

P 540W

Then:

31.3× 540×

------ ----------- ----------- ----- -

55 30–

84m

hr 493min()==

Calculating the air-flow in a ventilated enclosure

The dimensions of the enclosure are required only for accommodating the equipment. The equipment is cooled by the forced air flow.

Calculate the minimum requiredvolumeof ventilating air from:

3kP

------ ----------- ------- -

–

iTamb

Where:

V Air-flow in m T

Maximum ambientt emperaturein °C outsidethe enclosure

amb

per hour

Ti Maximum ambient temperaturein °C inside the enclosure P Power in Watts dissipated by allheat sourcesin the

enclosure

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2.26 Mounting the drive

Parts supplied

Quantity Part Purpose

1 M5 nut

Ground stud1 M5 plain washer 1 M5springwasher 1 Groundbracket Safetygroundconnections 3 Hose clip (11 to 16mm[0.433to 0.630 in] dia.) Clamppower cables to the ground bracket 2 Keyed plug-in 4-way connector 1 Keyed plug-in5-way connector andbraking link 1 Upper mountingbracket 1 Lower mountingbracket 4 M4 x 8mm T20Torx-head Taptite screws

Fitting the mou nting brackets to the drive

Figure 2-9 Locations of the mounting brackets

Power connections

Mounting the drive

1. Locatethe tabsof the upper mountingbracket (not fittedwith a stud) in the slots near the top of the rear panel of thedrive.

2. Retain the bracket with two of the M4 T20 Torx-head screws supplied.

3. Locate the tabs of the lower mounting bracket (fitted with stud S)in the slots near the bottom of the rear panel of the drive.

4. Retain the bracket with two of the M4 T20 Torx-head screws supplied.

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Page 20

(

2.27 Attaching the drive to the back-plate

Figure 2-10 Mounting details for the drive

9.724in)

11mm (0.433in)

14.173in)

(0.590in)

(1.986in)

12.992in)

(10.748in)

(0.787in)

(0.905in)

(2.440in)

1. Back-plate with mounting holes A.

2. Upper mounting bracket fitted to the rear of the drive.

3. Lower mounting bracket with M5 stud S fitted to the rear of the drive. The stud must be used for ground termination (see section

2.30 Method of connecting the power cables on page 18).

4. If compliance with EMC emission standardsis required, both mountingbracketsmust make direct electricalcontact with the backplate;the screw holes should be threaded.

5. Area occupied by thedrive.

6. Looselyfit screws (B), locate the slotted holes in the mounting brackets over the screws, then tighten the screws.

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Page 21

2.28 Precautions for making power connections

Electric shock risk The voltages present in the following locations can

WARNING

causesevereelectricshockandmaybelethal:

• AC supply cables and connections

• Output cables and connections

• Many internal parts of the drive

• An auxiliary back-up supply when connected in addition to the AC supply.

Isolation device The AC supply must be disconnected from the drive using an approved isolation device before any coveris removed from the drive or before any servicing work is performed.

Stored charge The drive contains capacitors that remain charged to a potentiallylethal voltage after the AC supply has been disconnected. If the drive has b een energised, the AC supply must be isolated at least five minutes before work may continue.

AC supply by plug and socket Special attentionmust be givenif the driveis installed in equipment which is connected to the AC supply by a plugand socket.TheAC supplyterminalsof the driveare connected to the internal capacitors through rectifier diodes which do not giveisolation. If the plug terminals can be touched when the plug is d isconnectedfrom the socket, a means of automatically isolating the plug from the drive must be used (eg. a latching relay).

2.29 Terminal sizes and tightening torques

To avoid a fire hazard and maintain validity of the UL listing, adhere to the specified tightening torques for the

WARNING

RFI filter

power and ground terminals. Refer to the following tables.

Power terminals Ground terminal

Unit

Drive

Size

Type

Plug-in

terminal

block

Screw

terminals

Torque Size

Type

0.5N.m

4.4lb.in

0.7N.m

6.2lb.in

M5 stud

Screw

terminals

Torque tolerance ±10%

Torque

2N.m

17.7lb.in

0.7N.m

6.2lb.in

WARNING

STOP function The STOP function does not remove dangerous voltages from the drive.

Safety ground connection The ground loop impedance must conform to the requirements of local safety regulations. The electrical safety of the installation depends on the correct fitting and use of the ground bracket supplied with the drive. All ground connections to the drive must be made to this ground bracket. The ground bracket must be grounded by a connection capable of carrying the prospective fault current until the protective device (fuse, etc) disconnects the AC supply. The ground connections must be inspected and tested at appropriate intervals.

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Page 22

2.30 Method of connecting the power cables

Figure 2-11 Locations of the power connections and correct fitting of the ground bracket

ARNING

ive circuit dedicated isolated supply is required.

20mm (0.787in)

The and 0V terminals are not connected together inside the drive. It is essential that the ground

WARNING

For electrical safety, thegroundbracketmust be fitted as shown.S ee alsosection2.31 Circuitdiagramsfor the power connections on page 19 and section 2.29 Terminalsizes and tighteningtorqueson page 17.

Perform all of the following:

1. Fit a plug-in multi-wayconnector into eachof the threesockets on

2. Loosenthe screwfor each of the ground terminals of the 4-way

3. Fit the two tongues of the ground bracket in the ground terminals of

4. Fit onto the groundstud the M5 plain washer,spring washer and nut

connections from the AC supply and to the motor are made to the ground bracket as shown.

the undersideof the drive. These connectors are keyed to ensure correct fitting.

connectors.

the 4-way connectors and pass the hole in the upright section (as viewed in the diagram) of the ground bracket over the ground stud in the lower mounting bracket.

supplied with thedrive.While tightening the nutt o the specified torque, ensure the tongues on the ground bracket remain fully inserted in the terminals.

12mm (0.472in)

Ground bracket must be fitted due to risk

ARNING

5. Tighten the screwsin the two groundterminals to thespecified torque.

6. Strip back the insulating sheath on the shielded cablesto expose at least 12mm (0.472in)of shield and 30mm (1.181in) of inner conductors.

7. Fit a hose clip over each cable shield to clamp it to the ground bracket; for reliable contact, it may be necessary to wrap copper foil aroundthe shield.

8. Connect the ground wire of the motor cable to the ground bracket usingthe related hole at thepositionshown. This applies whether thegroundwireisinsideoroutsidethecable. When an external braking resistor is used,use the same arrangement for the brakingresistor cable.

9. UseacabletietosecuretheACsupplywiringtothegroundbracket.

10. If an auxiliary back-up supply is to be connected, ensure its output is isolated and it is connected only to terminals H and

back-upsupplies in Chapter 2 Connecting the drive in the User Guide.

of electric shock

−;seeTypes of

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Page 23

2.31 Circuit diagrams for the power connections

Figure 2-12 Power connections to be made when an external braking resistor is used, including a typical protection circuit for the

braking resistor

Key to Figure

1. START/RESET switch

2. STOP switch

3. Control supply

4. Contactor coil

5. Thermal overload protection relay

6. Brakingresistor

7. AC supply to the drive

8. AC supply Isolator

M’Ax Installation Guide 19 Issue Number: 6 www.controltechniques.com

Page 24

Figure 2-13 Power connectionsto be made when the internal braking resistor is used

Key to Figure

1. START/RESET switch

2. STOP switch

3. Control supply

4. Contactor coil

5. AC supply to the drive

6. AC supply isolator

7. Link to connect the internal braking resistor

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Page 25

2.32 EMC emission standards compliance information

NOTE

EN 50081-2, use an RFI filter for each drive,as shown in Table 2-11 . (Standards that aremet are specif ied in AppendixB Data on page 26.)

Table 2-11 RFI filter details

Conditions for EMC compliance The installer of the drive is responsible for ensuring compliance

with the EMC regulations that apply where the drive is to be used. The drive will comply with thestandards for emission, such as

EN50081-2, only when the instruct ions given in this section are adhered to closely.

Special note for EN61800-3 (EMC Power Drive Systems) For installation in the‘secondenvironment’, i.e. where the low

voltage supply network does not supply domestic premises, and wheretheratedinput current of the drive system exceeds100A, no filter is required in order to meet IEC61800-3 (EN61800-3). Operating the drive in this environment without an EMC filter may cause interference to nearby electronic equipment whose sensitivity has not beenappreciated.The user must take remedial measures if this situation arises.

If the consequencesof unexpected disturbances are severe, it is recommended that the emission limits of EN50081-2 be adhered to.

In any other case, adhere to the precautions described in this section.

When the drive is used in the ‘first environment’, i.e. where the low voltage supply network also supplies domestic premises, the following warning applies:

Thisis a productof restricted distribution class according to IEC61800-3. In a domestic environment this

WARNING

product may cause radio interference in which case the user may be required to take adequate measures.

RFI filter

Model

M’Ax 403 4200-1645 4200-0081 6W IP20 M’Ax 406 4200-1645 4200-0081 6W IP20 M’Ax 409 4200-1645 4200-0081 6W IP20 M’Ax 412 4200-1645 4200-0081 6W IP20

MakeanoteofthefollowingforeachRFIfiltertobeused:

• Part number

• Maximum power dissipation figure

•IPrating

Dimensions of the bookcase RFI filter

LWH J B CG T

250 45 70 220 25 235 5.4 1.0 mm M5

9.842 1.772 2.776 8.661

Dimensions of the footprint RFI filter

LWHJBCGT X

360 54.5 40 273 N/A 330 5.5 1.0 mm M5

14.173 2.156 1.575 10.748 N/A 12.992 0.216 0.039 in

Bookcase

filter part

number

Footprint filter part

number

9.252

0.984

Maximum

power

dissipation

0.039

0.2

Ingress

protection

2.33 EMC emission standards instructions

Follow these instructions in addition to those given earlier in this chapter.

Enclosure

The enclosure must be made of metal but does not require specialEMC features.

Back-plate

Ensure the enclosure back-plate is unpainted, but it may be zinc plated.

Mounting brackets electrically connected to the back-plate

Ensurethe mounting brackets for the driveand RFI filter make direct electrical connection with the back-plate.

Grounding

For compliance with EMC emission standards, employ the grounding arrangements shownin thissection.These arrangementsare in addition to (not instead of) the safety requirements. The fittingof an additional safety ground will not reduce the EMC performance.

External braking resistor

When an external braking resistor is to be mounted outside the enclosure, ensure the following:

• The resistorhousing will giveelectromagnetic shielding(without

compromising ventilation)

• The braking-resistor wiring must be shielded/armoured

WARNING

The filter has a high leakage current to ground. A permanent fixed ground connection must be provided.

Installing an RFI filter

For compliance with emission standards such as EN 50081-1 or

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2.34 Clearances from the RFI filter and AC supply cables

1. Mount the RFI filter as close as

possible to thedrive. No clearance is required either side of the RFI filter or the drive.

2. Make the wires connecting the

RFI filter to the drive as short as possible.

3. Allow at least 100mm (4 in)

clearance (C) between the AC supplycableand the following:

• Signalcables

•Drive

• Braking resistors and cables

• Motorsand cables

2.35 Additional ground connections for the signal cables

Electrically bond the shieldsof all thesignal cablesto the back-plate by direct grounding unless ground-loop currents cause problems if the drive is controlled by an analog speed reference. In this case, indirect grounding can be used to ground all the cables except the cable connected to the SIM ENC connector; this mustalwaysbe directly grounded.

Refer to the next two diagrams.

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Direct grounding

1. Using an uninsulatedmetal cable-clamp(1), electrically bond the shield (2)of the cable to the back-plate (3).

2. Ensure there is no more than 250mm(10 in) of cablelength(4) between the clamp and the drive.

(Forclarity, the upper mounting brackethas been omitted from this view.)

Indirect grounding

Indirect grounding uses a 10nFcapacitor to prevent low-frequency ground-loop currents from occurring; these can cause problems in systems controlled by analog signals.

1. Use insulatingstuds (5)to mount an uninsulated metalplate (6) on the back-plate(3); the plate (6) must be insula ted fromthe backplate.

2. Using uninsulated metal cable-clamps (1), electrically bond the shield (2) of each cable to the metal plate (6).

3. Ensure there is no more than 250mm(10 in) of cablelength(4) between each clamp and the drive. (Refer to the preceding diagram. )

4. Connect a 10nF 2kV ceramic disc capacitor (7) between the metal plate(6) and the back-plate (3). Maximum permissiblelength of each lead-outwireis 20mm(0.787in).

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2.36 Bonding the cable shield to the motor frame

The shield of themotor cable must be electricallybonded to the motor frame. The preferred method of achieving this is to connect the shield to the ground terminalof the motor, as shown in the following two diagrams.

For motors that have a power inputsocket,a metal cable plug should be used and the cable shieldmake contact withthe shell throughoutits entire circumference (full 360° termination). (A typicalplugis shownopposite. )

If a full 360° termination is not possible (due to a plastic plug being used, or the motor having separate terminals and cable glands), a link no longer than 25mm (1 in) between the shield and the terminal should be used.

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Appendix A UL Listing

Information

The drive conforms to UL listingrequirements onlywhen the following are observed:

• The drive is installedin a t ype 1 enclosure,or better, as defined by UL50

• UL-listed fuses class CC 600VAC are used in the AC supply

• Class 1 60/75°C (140/167°F) copper wire only is used in the installation

• The ambient temperature does not exceed 40°C (104°F) when the driveis operating

• The terminal tightening torques specified in section 2.29 Terminal sizes and tightening torques on page 17 are used

A.1 AC supply specification

The drive is suitable for use in a circuit capable of delivering not more than 5000 RMS symmetrical Amperes at 528VACRMS maximum.

A.2 Maximum continuous output current

The drive models are listed as having the maximum continuous output currents (FLC) shown in Table A-1.

Table A-1 Maximum continuous output current

Model FLC (A)

MAX403SL

MAX403AN

MAX406SL

MAX406AN

MAX409SL

MAX409AN

MAX412SL

MAX412AN

3.5

6.5

9.5

12.5

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Appendix B Data

B.1 M’Ax Data

Output current ratings

Output c urre nt

Model

M’Ax403

M’Ax406

M’Ax409

M’Ax412

* Models M’Ax 409 and M’Ax 412 only For operation up to 55°C (131°F), the value of parameter 4.07 Current

limit must be reduced. If this precaution is not taken, the output current of the drive can exceed the maximumpermissible value.This mayresult in loss of motor control due to excessive heatsink temperature causing the drive to trip.

AMB

Maximum

55°C

(131°F)

55°C

(131°F)

45°C

(113°F)

55°C

(131°F) *

45°C

(113°F)

55°C

(131°F) *

Maximum

continuous

3.5A 7.0A

6.5A 13.0A

9.5A 19A

8.5A 17.0A

12.5A 25A

10.5A 21A

Output current to be used for cable sizing

Model

M’Ax 403 5A M’Ax 406 9A M’Ax409 12A M’Ax412 15A

Current values to be used for rating motor cables

Maximum

overload

(2s max.)

For operation on an AC supply in a poorer category, refer to the supplier of the drive for adviceon suitablevaristors to connect to theAC supply.

Refer also to Altitude later in this Appendix.

Temperature, humidity and cooling method

Ambient temperature range:

Models M’Ax403,M’Ax406

0°C to 55°C (32°F to 131°F) at rated maximum continuous output current (FLC)

Models M’Ax409,M’Ax412

0°C to 45°C(32°F to 113°F)at rated maximum continuous output current (FLC); from 45°C (113°F) to 55°C (131°F), the maximum permissible continuous output current is reduced

(See Output current ratings earlier in thisAppendix) Cooling method: Internal fan Maximum humidity: 95% non-condensing at 55°C (131°F) Storagetemperature range: –40°C to 55°C (–40°F to 131°F) Maximum storagetime:12 months

Altitude

Altitude range without derating:0 to 2000m ( 6600ft) When additional precautions are taken, the drive can be operated at altitudes from 2000m to 4000m (13000ft); for information, contact the supplier of the drive.

Vibration

Random vibration according to IEC 68–2–34

/Hz over 5 to 20 Hz, reducing at –3dB/octavefrom 20 to 500

0.01g

Hz (0.89g RMS) applied for 30 minutes in each orthogonal axis

Ingress protection

IP20 Suitable for use in a Pollution Degree 2 environment

Overall dimensions

H Height includingmounting brackets WWidth D Projection forward of panel when surface mounted

Supplycurrents

Model

M’Ax 403 6.0A 9.8A M’Ax 406 9.3A 15.0A M’Ax 409 11.9A 19.4A M’Ax 412 13.9A 23.0A

NOTE

Maximum supply currents apply to an AC supply having 2% negative phase-sequence and a fault current of 5kA.

Maximum continuous

supply current

Maximumoverload

supply current

AC supply requirements

380V to 480V ±10% 3-phase

47.5 to 63Hz Maximum supply imbalance:2% negative phase sequence (equivalent to 3% voltage imbalance between phases)

Over-voltage categories

The drive can be operated on AC supplies in the following (or better) over-voltage categories...

Grounded star supply: Over-voltage category 3 Grounded delta and IT supplies: Over-voltage category 2

Dimensions

H 360mm 14.173in W 62mm 2.440in D 247mm 9.724in

Weight

Model size 1: 3kg (6.6lb)

Dissipation

Maximum heat dissipated into enclosure

Model

M’Ax 403 250W 100W M’Ax 406 290W 140W M’Ax 409 330W 180W M’Ax 412 350W 200W

Using internal

braking resistor

Starts per hour

By electroniccontrol: unlimited By interrupting the AC supply: <

Using external

braking resistor

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SLM-and user back-up supply input

Voltage:24V ±20% Maximum current: 500mA

A current limit in excess of 500mA can result in damage to the M’Ax.

CAUTION

Auxiliary back-up supply input

Voltage:27VDC ~ 32VDC (Operationoutside these limits will result in

damage to the drive Maximum current: 1A This supplyis referencedto –DC. For isolation requirements,see Types of back-upsupplies in Chapter 2 Connecting the M’Ax in the User Guide. Fora recommendedauxiliary back-upsupply, contact the supplier of the drive.

An auxiliary back-up supply must be isolated from ground and any other auxiliary back-up supply. Failure toobservethese requirements will result in

CAUTION

damage.

24V user supply outpu t

Voltage:24V+20% Maximum current: 400mA - lo Where Io is the total current being drawn from the following:

• Digital outputs

• Drive-status supply

Electromagnetic compatibility (EMC)

This is a summary of the EMC performance of the drive when installed in accordance with the instructions given in Chapter 2 Installing the drive . Refer to section 2.32 EMC emission standards - compliance information on page 21. For full details,t he M’Ax EMC Data Sheet can be obtainedfrom a DriveCentreor distributor listed at the end of this guide.

Immunity

Compliance with immunity standards does not depend on installation details. The drive meets EN50082–2 (generic immunity standard for the industrial environment) and the following specifications from the IEC61000–4 group (derived from IEC801):

Part2, Electrostatic discharge: Level 3 Part 3, Radio frequency field: Level 3 Part 4 Transien t burst:

Level 4 at the control terminals Level 3 at the power terminals

Part 5, Surge (at the AC supply terminals):

Level 4 line-to-ground Level 3 line-to-line (as specified by EN50082–2 informative annex)

Part 6, Conducted radio frequency: Level 3

Emission

Compliance with emission standards depends on rigorous adherence to the installation guidelines, including the use of the specified RFI filterin the AC supply circuit. Compliancealso depends on the length of the motor cable. For full details, refer to the M’Ax EMC Data Sheet which canbeobtainedfromaDriveCentreordistributorlistedattheend

of this guide.

Braking resistor

Internal resistor

Value 75Ω Operating voltage (V

Peak current rating 10.9A Peak power rating 8.9kW Maximumcontinuous braking power 125W

External resistor

Absoluteminimum permissible value

Operating voltage (V Maximum possible braking

current(through 40Ω)(I Peak power rating for 40Ω 16.8kW

Continuous power rating

)

bMAX

(See Braking-resistorexample

780V at switch-on 760V at switch-off

40Ω

780V at switch-on

760V at switch-off

20.5A

calculationson page 9)

Summary

Conducted and radiated emission meet EN50081–2 (generic emission standard for the indust rial environment) over a wide range of conditions. This is similar to CISPR11 and EN55011 Class A. The optionalRFI filter, part number 3258-16-45, must be used.

Complian ce with EN61800–3 (standardfor Power Drive Systems)

Meetingthe requirements of this standard dependson the environment that the drive is to be operated in, as follows:

Operation in the first environment

Observe the wiringguidelines given in the whole of Chapter 2 Installing the drive , includingthe section 2.32 EMC emission standards - compliance informationon page 21.

Operation in the second environment

Where the rated input current of the drive system is less than 100A: Observe the wiring guidelines given in the whole of Chapter 2 Installing

the drive , includingthe section 2.32 EMC emission standards - compliance informationon page 21.

Where the rated input current of the drive system exceeds 100A: Observe the wiringguidelines in Chapter 2 Installing the drive , excluding the section 2.32 EMC emissionstandards - compliance information on page 21.

The second environment typically includes an industrial low-voltage powersupply network which does not supply buildings used for domestic purposes.

CAUTION

Operating the drive in this environment without an RFI filter may cause interference to nearby electronic equipment whose sensitivity has not been appreciated. The user must take remedial measures if this situation arises. If the consequences of unexpected disturbances are severe,it is recommended thatthe emission limits of EN50081–2 be adhered to.

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B.2 Optional RFI filter data

Main ratings

Part number 4200-1645 4200-0081 Max. continuous current 16A 16.5A Power dissipation at rated current 6W 6W

Maximum a mbient temperatureat rated current and frequency range: 50°C (122°F)

Ingress protection: IP20

AC supply ratings

Maximum operating voltage:480V at up to 50°C(122°F) AC supply frequency:48 to 62 Hz

Ground leakage current

Ground-leakage current phase-to-phase and phases-to-ground is a s follows:

Balanced supply, all phasespresent: 33mA Two phases disconnected: 192mA

These figures apply foran AC supply of 400V at 50Hz. ForotherAC supply voltages and currents, scale the values of leakage current proportionally.

Discharge resistors

330KΩ star network between the AC supply phases; the star point is connected by a 1MΩ resistor to ground.These resistorsare fitted internally.

Maximum current overload

150% of rated current for 60 seconds.

RFI Filter Overall dimensions

CT Part

Number

4200-1645 FN3258-16-45

4200-0081 FS-5599-16-5-07*

* Dimensionswhen attachedto drive

Schaffner

Part Number

Height Width Depth kg lb oz

250mm

9.842in

360mm

14.173in

Dimension Weight

45mm

1.772in

54.5mm

2.145in

70mm

2.776in 287mm

114.299in

0.8 1lb12oz

1.4 3lb1oz

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Page 33

Index

Numerics

24V user supply output ...........................................................27

AC supply by plug and socket .................................................17

AC supply disturbances . ...........................................................3

AC supply protection .................................................................2

AC supply ratings ....................................................................28

AC supply requirements ..........................................................26

AC supply specification ...........................................................25

Air-flow in a ventilated enclosure .............................................14

Ambient temperature .................................................................7

Auxiliary back-up supply input .................................................27

Braking resistor .........................................................................8

Braking resistor - example calculations .....................................9

Braking resistor - power rating ................................................10

Braking resistor - thermal protection .........................................9

Braking resistor - value of ........................................................11

Braking resistor data .................................................................8

Cable capacitance .....................................................................3

Cable shield- bonding to the motor frame ..............................24

Cable type and size ...................................................................3

Cautions ....................................................................................1

Compliance with regulations .....................................................1

Cooling method .......................................................................26

Current overload - maximum ...................................................28

Currents - maximum ..................................................................8

DC buses - parallel connection .................................................4

Deceleration time - minimum permissible ...............................10

De-rating ...................................................................................7

Dimensions - overall ................................................................26

Discharge resistors ..................................................................28

Dissipation ...............................................................................26

Drive clearances .....................................................................12

D-type connectors . ....................................................................7

Ground conductors ................................................................... 3

Ground leakage current .......................................................... 28

Grounding - direct ...................................................................23

Grounding - indirect ................................................................ 23

Hazardous areas ...................................................................... 2

Heat dissipation ....................................................................7

Heat dissipation - total ............................................................ 13

Humidity .................................................................................. 26

, 8

Installation considerations ........................................................ 2

Installation in an enclosure ....................................................... 2

Internal braking resistor ............................................................ 8

Internal braking resistor - disabling protection ........................ 11

Isolation device ....................................................................... 17

Line reactor values ................................................................... 3

Line reactors ............................................................................. 3

Model sizes and versions .........................................................2

Motor ........................................................................................ 1

Motor cable ............................................................................... 3

Motor cables - ordering ............................................................. 4

Mounting brackets .................................................................. 15

Mounting details ..................................................................... 16

Mounting method ...................................................................... 7

Mounting the drive ..................................................................15

Notes ........................................................................................ 1

Output current ........................................................................... 7

Output current- maximum continuous ................................... 25

Output current ratings ............................................................. 26

Over-voltage categories ......................................................... 26

Electric shock risk ....................................................................17

Electricalsafety - general warning ............................................1

Electromagnetic compatibility ....................................................2

EMC compliance .....................................................................12

EMC emission standards - complianceinformation ................21

EMC emission standards - instructions ...................................21

Enclosure - calculations for heat removal ...............................13

Enclosure layout ......................................................................11

Environmental ...........................................................................2

Environmental limits ..................................................................1

External braking resistor ............................................................8

Fire enclosure ...........................................................................2

Fuse ratings ..............................................................................3

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Power cables ............................................................................ 3

Power cables - connecting ..................................................... 18

Power cables clearances ........................................................ 12

Power connectioncircuit diagram ...........................................19

Power connections- precautions ...........................................17

Power connections- when external braking resistor is used .. 19 Power connections- when internal braking resistor is used ... 20

RFI filter - overall dimensions ................................................. 28

RFI filter clearances ................................................................ 22

RFI filter details ....................................................................... 21

RFI filter dimensions - bookcase ............................................ 21

RFI filter dimensions - footprint ............................................... 21

Risk analysis .............................................................................1

RJ45 connectors and cables .................................................... 6

Page 34

Safety ground connection .......................................................17

Safety of personnel ...................................................................1

Sealed enclosure - sizing ........................................................13

Signal cables - clearances ......................................................12

Signal cables - ground connections ........................................22

Signal cables - ordering ............................................................6

Signal cables and connectors . ..................................................5

SLM input ................................................................................27

Starts per hour ........................................................................26

STOP function .........................................................................17

Stored charge ......................................................................... 17

Supply currents .......................................................................26

System design ..........................................................................1

Temperature ........................................................................... 26

Terminal sizes .........................................................................17

Thermal overload protection relay - current setting ................11

Thermal protection ....................................................................8

Tightening torques ..................................................................17

UL Listing information .............................................................25

User back-up supply input ......................................................27

Warnings ...................................................................................1

Weight .....................................................................................26

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Control Techniques 0453-0016-06, M’Ax Installation Manual

Contents

Declaration of Conformity

1.1 Warnings, Cautions and Notes

1.2 Electrical safety - general warning

1.3 System design

1.4 Environmental limits

1.6 Safety of personnel

1.7 Risk analysis

1.8 Motor

1.9 Adjustment of parameters

1.5 Compliance with regulations

2.1 Installation considerations

2.2 Model sizes and versions

2.3 AC supply protection

2.4 AC supply disturbances - use of line reactors

2.5 Power cables

2.6 Signal cables and connectors

2.7 RJ45 connectors and cables

2.8 SLM connector

2.9 D-type connectors

2.10 Method of mounting

2.11 Output current,Ambient temperature, Heat dissipation, De-rating

2.13 When to use a braking resistor

2.12 Thermal protection

2.14 Braking resistor data

2.15 Braking resistor precautions

2.16 Thermal protection of the braking resistor

2.17 Braking-resistor example calculations

2.18 Minimum permissible deceleration time

2.19 Power rating of the braking resistor

2.20 Value of the braking resistor

2.23 Enclosure layout

2.24 Clearances for the signal cables

2.25 Enclosure calculations for heat removal

2.26 Mounting the drive

2.27 Attaching the drive to the back-plate

2.28 Precautions for making power connections

2.29 Terminal sizes and tightening torques

2.30 Method of connecting the power cables

2.31 Circuit diagrams for the power connections

2.34 Clearances from the RFI filter and AC supply cables

2.35 Additional ground connections for the signal cables

2.36 Bonding the cable shield to the motor frame

Appendix B Data

Index