Mitsubishi Electric FR-A701 Merkblatt

INVERTER

EMC Installation

Guidelines

FR-A700

FR-A701

FR-F700

FR-E700

FR-D700

BCN-A21041-204-C(E)(1303)MEE Printed in Japan

A - 1

In this EMC Installation Guidelines, handling and precautions for compliance with the EC EMC Directive

are explained. Incorrect handling might cause an unexpected fault. Before using an inverter, always

read this EMC Instruction Guidelines carefully to use the equipment to its optimum performance.

This section is specifically about safety matters

Do not attempt to install, operate, maintain or inspect the inverter until you have read

through the EMC Instruction Guidelines and appended documents carefully and can use

the equipment correctly. Do not use this product until you have a full knowledge of the

equipment, safety information and instructions.

In this EMC Installation Guidelines, the safety instruction levels are classified into

"WARNING" and "CAUTION".

WARNING

Incorrect handling may cause hazardous conditions, resulting in

death or severe injury.

CAUTION

Incorrect handling may cause hazardous conditions, resulting in

medium or slight injury, or may cause only material damage.

The CAUTION level may even lead to a serious consequence according to conditions.

Both instruction levels must be followed because these are important to personal safety.

CAUTION LARGE LEAKAGE CURRENT

When an EMC filter is used, leakage current flows through the EMC filter.

Ground (earth) the EMC filter before connecting the power supply to prevent an

electric shock.

General instruction

Many of the diagrams and drawings in this guideline show the inverter without a cover

or partially open for explanation. Never operate the inverter in this manner. The cover

must be always reinstalled, and the instruction in this guideline must be followed when

operating the inverter.

Contents

1. Introduction ............................................................................................................ 1-1

2. Compliance to the EMC Directive of the inverter ................................................... 2-1

3. EMC measures ...................................................................................................... 3-1

3. 1 Basics of the EMC measures....................................................................... 3-1

3. 2 Precaution for inverter mounting to the enclosure ....................................... 3-2

3. 3 Precaution for wiring .................................................................................... 3-4

3. 4 Others precautions....................................................................................... 3-8

4. EMC measure options ........................................................................................... 4-1

4.1 EMC Directive compliant EMC filter.............................................................. 4-1

4.2 Other precautions ......................................................................................... 4-4

4.3 List of the EMC Directive compliant filters and their applicable inverters...... 4-7

5. EMC data............................................................................................................... 5-1

FR-A720............................................................................................................... 5-1

FR-A740............................................................................................................... 5-9

FR-A741............................................................................................................... 5-21

FR-F720............................................................................................................... 5-28

FR-F740............................................................................................................... 5-36

FR-E720............................................................................................................... 5-48

FR-E740............................................................................................................... 5-55

FR-E720S ............................................................................................................ 5-61

FR-D720 .............................................................................................................. 5-65

FR-D740 .............................................................................................................. 5-70

FR-D720S ............................................................................................................ 5-76

1 - 1

1. Introduction

This EMC Guidelines offers information on the Electromagnetic Compatibility (EMC)

measures when using the Mitsubishi inverters. The following subjects are explained in

this guideline.

How we interpret the EMC Directive for the use of inverters is explained in Chapter 2.

The EMC measures for using a Mitsubishi inverter is explained in Chapter 3 in detail. It

includes explanations regarding enclosure specification, grounding (earthing), wiring

and installation in the enclosure.

Model names and specifications of the EMC measure options, which are explained in

Chapter 3, are explained in Chapter 4.

The EMC data collected by Mitsubishi is explained in Chapter 5.

Follow this EMC Guidelines when similar explanation regarding EMC measures exists

in an Inverter Instruction Manual.

●List of applicable inverters

FR-A720FR-A700 series

FR-A740

FR-A701 series FR-A741

FR-F720FR-F700 series

FR-F740

FR-E720

FR-E740

FR-E700 series

FR-E720S

FR-D720

FR-D740

FR-D700 series

FR-D720S

2 - 1

2. Compliance to the EMC Directive of the inverter

A general-purpose inverter is not designed to operate by itself, but is a component

designed to be installed in a control enclosure in combination with other devices to

operate a machine or equipment.

Many organizations including the European Committee of Manufacturers of Electrical

Machines and Power Electronics (CEMEP) interpreted that components were not

directly subject to the EMC Directive under the EMC Directive (89/336/EEC).

However, under the amended EMC Directive (2004/108/EC), components are

required to conform with the EMC Directive.

Mitsubishi performs assessment on major models for the conformity with the EMC

Directive under the conditions described in this guideline and declares that the

models conform with the EMC Directive (2004/108/EC). Mitsubishi cannot, however,

declare the conformity of an inverter in your operating conditions. EMC changes by

the enclosure structure that contains the inverter, compatibility with other embedded

electronic devices, wiring, and placement. For this reason, ensure that the entire

machine or the system conforms with the EMC Directive.

Installation methods and EMC measure options are recommended in this guideline

so that the machine or the system that is containing an inverter can conform with the

EMC Directive easier. (To comply with the EMC Directive in the environment

described in Chapter 5, the installation method and the EMC measure option, which

are explained in Chapter 5, must be used.)

＜Supplementary information＞

●EC Directives and CE marking

The EC Directives are issued by the Council of the European Union to standardize

different national regulations of the EU Member States and to facilitate free movement

of the equipment whose safety is ensured. CE marking (affixation of the CE marking) is

required to distribute the products subject to the EC Directives in the EU territory.

When the manufacturer or his authorized representative does not comply with these

requirements, (1) a fine, (2) withdrawal from the market, and (3) prohibition of the free

movement of the product are imposed.

● EMC Directive (89/336/EEC)

The EMC Directive is one of the EC Directives. The EMC Directive requires products not to

generate excessive electromagnetic disturbance to outside (emission or electromagnetic

interference) and to have immunity to the external electromagnetic disturbance from outside

(immunity or electromagnetic susceptibility). The applicable products are required to bear

CE marking.

Affixation of the CE marking on the products, which conform with the EMC Directive, has

been required since January 1, 1996. It was repealed on July 20, 2007, and it will be

prohibited to market a product in compliant with the provisions of this EMC Directive after

July 20, 2009.

2 - 2

●EMC Directive (2004/108/EC)

The new Directive was issued on December 15, 2004 by reviewing the provisions in the

EMC Directive (89/336/EEC) issued on May 3, 1998. The new Directive has been

effective since July 20, 2007. Main changes from the EMC Directive (89/336/EEC) are

the following.

(1) Defining the applicable scope (exclusion of fixed installation)

(2) Simplifying the method to declare conformity (Self-declaration due to the

discontinuation of declaration through the Competent Body.)

(3) Reinforcing the submission of traceability information

(4) Obligating the production of technical documentation

(5) Reinforcing the market monitoring

●European Standards (EN)

To affix CE marking on a product as defined in the EC Directives, the product must

conform with the applicable regulation of the European Standards, and appropriate

measures must be taken to ensure the safety of the product.

The European Standards was constituted to remove trade barriers for the people, goods,

capital and service in Europe, which had received increased interest since the EC market

integration in 1992. European Standards are harmonized standards that tries to

standardize different standards, codes and assessment system.

The following European Standard applies to the EMC Directive for the adjustable speed

electrical power drive system including an inverter.

EN61800-3:EMC requirements and specific test methods

Mitsubishi inverter is capable of conforming with the Second environment/Restricted

distribution of above standard by practicing the EMC measures stated on the following pages.

(Refer to page 1-1 for the applicable inverters.)

2 - 3

●Declaration of conformity and technical documentation

Declaration of conformity

To affix CE marking on a product, the "technical documentation," which states that the product

conforms with the EMC Directive, is required. In most cases, the manufacturer, which

declares the conformity, is not required to submit the declaration to a third party, and only

required to hold the declaration. However, when discontinuing production of a product, the

manufacturer or the authorized representative in the EU must hold the declaration of

conformity and the technical documentation for at least ten years after the date the product

was last manufactured.

Technical documentation

The manufacturer or the authorized representative in the EU of the applied product is required

to draw up technical documentation stating that the product is being produced with

conformance and to hold the technical documentation. In this technical documentation, EMC

assessment data and condition as well as the technical explanation for the EMC are included.

The technical documentation must be updated so that it can be submitted to the EU authorities

when requested.

3 - 1

3. EMC measures

3. 1 Basics of the EMC measures

EMC (Electromagnetic compatibility) means both emissions and immunity as shown

below.

*EMC

(Electromagnetic

compatibility)

Emissions (EMI)

(Electromagnetic

interference)

Immunity (EMS)

(Electromagnetic

susceptibility)

Radiated interference

Conducted interference

Electrostatic discharge immunity

Radio frequency electromagnetic field immunity

Electrical fast transient/burst immunity

etc.

Note * EMC is a capability of a device or a system to operate as commanded without

receiving or giving influence of electromagnetic field and without performance loss or

fault when the device or the system starts the operation at the commanded position.

The measures described in this guideline are primarily intended to control emissions,

but they are also effective in increasing immunity.

Various EMC measures exists, but main measures are the following. EMC measures

become effective by applying the following measures.

(1) Install equipment in a closed metal enclosure. (Keep the radiant interference

inside. )

(2) Use an EMC filter (Reduce conducted interference.)

(3) Ground (earth) securely (Avoid causing antenna effect.)

(4) Shield the power cable and the control cable. (Keep the radiant interference

inside.)

(5) Keep the equipment away from the interference source, or install the interference

source in a separate enclosure. (Keep the radiant interference inside.)

(6) Isolate the circuits.( Cut the conducted interference.)

(7) Change the inverter parameter settings. (Reduces generated interference and

disturbance effect)

EMC measures are explained in detail on the following pages.

3 - 2

3. 2 Precaution for inverter mounting to the enclosure

Enclosure design and layout are important points for controlling EMC. Perform

installation by considering the following points.

(1) Use a metal enclosure.

(2) Use EMI gasket or other conductive packing to where the enclosure door touches

the enclosure body. Using a short thick rectangular wire to connect the door to the

body is another effective measure.

Enclosure

Metal enclosure

The part of the enclosure that

the EMI gasket touches

should be conductive.

EMI gasket

(3) It is recommended to

use the inverter with the EMC filter, which is already embedded

or available as an option. When using an option EMC filter, mask the painting or

plate the area of the enclosure where the EMC filter is mounted so that the electrical

connection can be established between the EMC filter and the ground (earth) of the

enclosure. Confirm that the EMC filter is securely fitted to the enclosure surface.

Confirm that the equipment mounting board inside the enclosure is also connected

to the ground (earth).

EMC

Mounting enclosure surface

Mask the painting or

plate the area.

3 - 3

(4) Weld or screw the main board, side boards and such without leaving space. The

space between each connecting section (welding section or screws) should be less

than 10cm. If the space exists between boards, the shielding effect may be lost. The

dimension of holes in the enclosure, such as ventilation holes, should be less than

10cm. Holes larger than that should be covered with metal board or punching metal.

When using these material, ensure not to loose the electric connection by using

anti-conductive metal or material. One faulty example of this is a connection

between painted areas.

enclosure

Metal board or

punching metal

Mask the painting

* The connection should be

conductive. Connection

between painted area is invalid.

(5) Use a thick short wire to connect the earth terminal of the control device to the earth

terminal of the enclosure.

(6) Use a thick short wire to ground (earth) the enclosure.

(7) Using separate enclosures for the driving device including an inverter and for the

signal controlling device provide more effective EMC measure.

Andere Handbücher für FR-A701

Dieses Handbuch passt für folgende Modelle

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