MELSERVO-J3W Series Instructions and

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MELSERVO-J3W Series Instructions and | Manualzz

General-Purpose AC Servo

J3W Series

MR-J3W-0303BN6

MR-J3W-22B to MR-J3W-1010B

Instructions and Cautions for

Safe Use of AC Servos

K

Country/Region

USA

Germany

China

Korea

Sales office

MITSUBISHI ELECTRIC AUTOMATION, INC.

500 Corporate Woods Parkway, Vernon Hills, IL 60061, U.S.A.

MITSUBISHI ELECTRIC EUROPE B.V. German Branch

Gothaer Strasse 8, D-40880 Ratingen, Germany

MITSUBISHI ELECTRIC AUTOMATION (CHINA) LTD.

No.1386 Hongqiao Road, Mitsubishi Electric Automation Center, Changning District, Shanghai,

China

MITSUBISHI ELECTRIC AUTOMATION KOREA CO., LTD.

7F-9F, Gangseo Hangang Xi-tower A, 401, Yangcheon-ro, Gangseo-Gu, Seoul 157-801, Korea

Tel/Fax

Tel

Fax

: +1-847-478-2100

: +1-847-478-2253

Tel

Fax

: +49-2102-486-0

: +49-2102-486-1120

Tel

Fax

: +86-21-2322-3030

: +86-21-2322-3000

Tel

Fax

: +82-2-3660-9510

: +82-2-3664-8372/8335

IB(NA)0300148-K(1412)MEE

HEAD OFFICE: TOKYO BLDG MARUNOUCHI TOKYO 100-8310

Printed in Japan

This guide uses recycled paper.

Specifications are subject to change without notice.

Copyright©2008 Mitsubishi Electric Corporation All Right Reserved.

Contents of the package

Unpack the product and check the rating plate to see if the servo amplifier is as you ordered.

Contents Quantity

Servo amplifier

MELSERVO-J3W Series Instructions and Cautions for Safe Use of AC Servos (this guide)

Rating plate

The following shows an example of rating plate and warning plate for explanation of each item.

1

1

The year and month of manufacture

Model

Capacity

AC SERVO

DATE: 2014-11

MODEL

POWER

MR-J3W-44B

: 400W(A)+400W(B)

INPUT : 6.1A 3PH+1PH200-230V 50Hz

3PH+1PH200-230V 60Hz

9.1A 1PH230V 50/60Hz

OUTPUT

SERIAL

: 170V 0-360Hz 2.8A(A)+2.8A(B)

: A4Y001050

KCC-REI-MEK-TC300A492G52

MITSUBISHI ELECTRIC CORPORATION

TOKYO 100-8310, JAPAN MADE IN JAPAN

Applicable power supply

Rated output current

Serial number

KC certification number

Country of origin

Warning plate Model

The following describes what each block of a model name indicates.

Not all combinations of the symbols are available.

WARNING 警告

RISK OF ELECTRIC SHOCK. DO NOT TOUCH DRIVE UNIT AND WIRING IMMEDIATELY

AFTER POWER OFF,CAPACITOR DISCHARGE TIME IS APPROX 15 MINUTES.

RISQUE DE CHOC ÉLECTRIQUE. NE PAS TOUCHER L'AMPLIFICATEUR ET LE

CABLAGE JUSTE APRES L'EXTINCTION DE L'APPAREIL. LE TEMPS DE

DECHARGEMENT DES CONDENSATEUR EST DE 15 MINUTES.

有触电的风险。电源断电后,请不要触碰模块和接线。

电容放电需要15分钟。

・ 感電の恐れあり。電源遮断直後にユニットや端子部を触れないこと。

コンデンサ放電時間:15分

ALWAYS CONNECT PROTECTIVE EARTH (PE) FOR PROTECTION AGAINST.

TOUJOURS BRANCHER LA TERRE (PE) AU CONDUCTEUR DE PROTECTION.

・ 为了防止触电,请务必进行保护接地(PE)。

・ 感電防止の為、保護アース(PE)の接続を必ず行うこと。

DON'T TOUCH HEATSINK.

NE PAS TOUCHEZ LE DISSIPATEUR THERMIQUE.

散热片恐有高温。

放熱フィンに触らないこと。高温の恐れあり。

ONLY B TYPE RCD IS ALLOWED.

SEULEMENT DISJONCTEUR DE TYPE B RCD AUTORISÉ.

・ 只有B类型的(漏电保护器)RCD被允许。

・ RCD(漏電遮断器)はタイプBであること。

REFER TO MANUAL BEFORE INSTALLING OR SERVICING.

MERCI DE CONSULTER LE MANUEL D'UTILISATION AVANT INSTALLATION OU MAINTENANCE.

在安装及维护前,请参考手册。

据付と保守サービスの前に、マニュアルを参照すること。

Series

Rated output

Symbol

Rated output [kW]

A-axis B-axis

0303 0.03

0.03

22

44

77

1010

0.2

0.4

0.75

1

0.2

0.4

0.75

1

Software special specification

Blank, Jn, Sn, or Un

(n = 00 to 999)

Hardware special specification

Blank or 2 to 5 digit alphanumeric

(RJ, ED, PX, RU, RZ, etc.)

Power supply

Symbol

None

6

Power supply

3-phase or 1-phase 200 V AC to 230 V AC

48 V DC/24 V DC

Corresponding

Symbol Corresponding

B

BN

SSCNET III

1.About the manual

1.1 MELSERVO J3W relevant manuals

This installation guide explains how to mount MR-J3W servo amplifiers. You can also check it with our website for free. http://www.mitsubishielectric.com/fa/

If you have any questions about the operation or programming of the equipment described in this guide, contact your local sales office.

In addition, when you mount a protective device, specific technical skills which are not detailed in the guide will be required.

1.2 Purpose of this guide

This installation guide explains the safe operation of MR-J3W servo amplifiers for engineers of machinery manufacturers and machine operators. For detailed information of the products, refer to each servo amplifier instruction manual.

2. About safety

This chapter explains safety of users and machine operators. Please read the chapter carefully before mounting the equipment. In this installation guide, the specific warnings and cautions levels are classified as follows.

WARNING

Indicates that incorrect handling may cause hazardous conditions, resulting in death or severe injury.

CAUTION

Indicates that incorrect handling may cause hazardous conditions, resulting in medium or slight injury to personnel or may cause physical damage.

2.1 Professional

Only professional engineers should mount MR-J3W servo amplifiers.

Here, professional engineers are persons who took a proper engineering training or qualified persons who are engaged in electrical equipment.

Check if applicable technical training is available at your local Mitsubishi Electric office. Contact your local sales office for schedules and locations.

2.2 Applications of the devices

MR-J3W servo amplifiers comply with the following standards.

IEC/EN 61800-5-1, IEC/EN 61800-3, IEC/EN 60204-1

2.3 Correct

Always use the MR-J3W servo amplifiers within specifications (voltage, temperature, etc. Refer to the servo amplifier instruction manual for details.). Mitsubishi Electric Co. accepts no claims for liability if the equipment is used in any other way or if modifications are made to the device, even in the context of mounting and installation.

WARNING

It takes 15 minutes for capacitor discharging. Do not touch the unit and terminals immediately after power off.

2.3.1 Selection of peripheral equipment and wire

The followings are selected based on IEC/EN 61800-5-1, UL 508C, and CSA C22.2 No.14.

(1) Local wiring and crimping tool

The following table shows the stranded wires [AWG] rated at 75 ˚C/60 ˚C.

Recommended wire

75 ˚C/60 ˚C stranded wires [AWG]

MR-J3W-0303BN6

Servo amplifier L1/L2/L3

16/- (Note 3) 19/-

MR-J3W_-_B 14/14 (Note 2) 14/14 14/14 14/14

Note 1. Select wire sizes depending on the rated output of the servo motors. The values in the table are sizes based on rated output of the servo amplifiers.

2. Use the crimp terminal specified as below for the PE terminal of the servo amplifier.

Crimp terminal: FVD2-4

Tool: YNT-1614

Manufacturer: JST (Japan Solderless Terminals)

3. This value is of 24/0/PM/ for MR-J3W-0303BN6.

(2) Selection example of MCCB and fuse

Use a fuse (Class T) or a molded-case circuit breaker (UL 489 Listed MCCB) indicated in the table below. The

Class T fuses and molded-case circuit breakers in the table are selected examples based on rated I/O of the servo amplifiers. When you select a smaller capacity servo motor to connect it to the servo amplifier, you can also use smaller capacity T class fuses or molded-case circuit breaker than ones in the table. For selecting ones other than

Class T fuses and molded-case circuit breakers below, refer to the servo amplifier instruction manual.

Power supply specification

Circuit protector

MR-J3W-0303BN6

Main circuit power supply (48 V DC)

Main circuit power supply (24 V DC)

CP30-BA 1P 1-M 5A

CP30-BA 1P 1-M 10A

Servo amplifier (Note) Molded-case circuit breaker (240 V AC) Fuse (300 V)

MR-J3W-22B (T)

MR-J3W-22B (S)/MR-J3W-44B (T)/MR-J3W-77B (T)

MR-J3W-44B (S)/MR-J3W-1010B

MR-J3W-77B (S)

NF50-SVFU-5A (50 A frame 5 A)

NF50-SVFU-10A (50 A frame 10 A)

NF50-SVFU-15A (50 A frame 15 A)

NF50-SVFU-20A (50 A frame 20 A)

Note. "(S)" means 1-phase 200 V AC power input and "(T)" means 3-phase 200 V AC power input in the table.

10 A

15 A

30 A

40 A

(3) Power supply

This servo amplifier can be supplied from star-connected supply with grounded neutral point of overvoltage category III (overvoltage category II for MR-J3W-0303BN6) set forth in IEC/EN 60664-1. However, when you use the neutral point for single phase supply, a reinforced insulating transformer is required in the power input section.

For the interface power supply, use an external 24 V DC power supply with reinforced insulation on I/O terminals.

In case of MR-J3W-0303BN6, use DC power supplies of reinforced insulation type to main circuit, control circuit, and UL listed (recognized) 48 V DC/24 V DC power supplies which can generate more than 1.2 A/2.4 A per axis.

(4) Grounding

To prevent an electric shock, always connect the protective earth (PE) terminal (marked ) of the servo amplifier to the protective earth (PE) of the cabinet. Do not connect two grounding cables to the same protective earth (PE) terminal. Always connect cables to the terminals one-to-one.

PE terminals

PE terminals

Even when using an earth-leakage current breaker, always ground the protective earth (PE) terminal of the servo amplifier to prevent an electric shock. This product can cause a DC current in the protective earthing conductor. To protect direct/indirect contact using an earth-leakage current breaker (RCD), only an RCD of type B can be used for the power supply side of the product.

2.3.2 EU compliance

The MR-J3W servo amplifiers are designed to comply with the following directions to meet requirements for mounting, using, and periodic technical inspections: EMC directive (2004/108/EC) and Low-voltage directive (2006/95/EC).

(1) EMC requirement

MR-J3W servo amplifiers comply with category C3 in accordance with EN 61800-3. As for I/O wires (max. length

10 m) and encoder cables (max. length 50 m), use shielded wires and ground the shields. Install an EMC filter and surge protector on the primary side for input and output of of the servo amplifier. The following shows recommended products.

EMC filter: Soshin Electric HF3000A-UN series

Surge protector: Okaya Electric Industries RSPD-250-U4 series

Line noise filter: Mitsubishi Electric FR-BLF

MR-J3W Series are not intended to be used on a low-voltage public network which supplies domestic premises;

Radio frequency interference is expected if it is used on such a network. The installer shall provide a guide for installation and use, including recommended mitigation devices.

Use the DC power supply installed with the amplifiers in the same cabinet. Do not connect the other electric devices to the DC power supply.

(2) For Declaration of Conformity (DoC)

Hereby, MITSUBISHI ELECTRIC EUROPE B.V., declares that the servo amplifiers are in compliance with the necessary requirements and standards (2004/108/EC and 2006/95/EC). For the copy of Declaration of Conformity, contact your local sales office.

2.3.3 USA/Canada compliance

This servo amplifier is designed in compliance with UL 508C and CSA C22.2 No.14.

(1) Installation

The minimum cabinet size is 150% of each MR-J3W servo amplifier's volume. Also, design the cabinet so that the ambient temperature in the cabinet is 55 ˚C or less. The servo amplifier must be installed in a metal cabinet. In addition, the servo amplifier must be installed in a cabinet whose protective earth is correctly connected, in compliance with the IEC/EN 60204-1 standard. For environment, the units should be used in open type (UL 50) and overvoltage category shown in table in section 8.1. The servo amplifier needs to be installed at or below of pollution degree 2. For connection, use only copper wires.

(2) Short-circuit current rating (SCCR)

Suitable For Use On A Circuit Capable Of Delivering Not More Than 100 kA rms Symmetrical Amperes, 500 Volts

Maximum (Not More Than 5 kA rms Symmetrical Amperes at 48 V DC for MR-J3W-0303BN6).

(3) Overload protection characteristics

The MR-J3W servo amplifiers have the servo motor overload protective function. (It is set on the basis (full load current) of 120% rated current of the servo amplifier.)

(4) Over-temperature protection for motor

Motor Over temperature sensing is not provided by the drive.

Integral thermal protection(s) is necessary for the servo motor. Refer to chapter 4 for details of the proper connections.

(5) Branch circuit protection

For installation in the United States, branch circuit protection must be provided, in accordance with the National

Electrical Code and any applicable local codes.

For installation in Canada, branch circuit protection must be provided, in accordance with the Canada Electrical

Code and any applicable provincial codes.

2.3.4 South Korea compliance

This product complies with the Radio Wave Law (KC mark). Please note the following to use the product.

이 기기는 업무용 ( A급) 전자파적합기기로서 판 매자 또는 사용자는 이 점을 주의하시기 바라며,가정외의

지역에서 사용하는 것을 목적으 로 합니다.

(The product is for business use (Class A) and meets the electromagnetic compatibility requirements. The seller and the user must note the above point, and use the product in a place except for home.)

In addition, use an EMC filter, surge protector, ferrite core, and line noise filter on the primary side for inputs. Use a ferrite core and line noise filter for outputs.

2.4 General cautions for safety protection and protective measures

Observe the following items to ensure proper use of the MR-J3W servo amplifiers.

(1) For safety components and installing systems, only qualified personnel and professional engineers should perform.

(2) When mounting, installing, and using the MELSERVO MR-J3W servo amplifier, always observe applicable standards and directives in the country.

(3) The item about noises of the test notices in the manuals should be observed.

2.5 Residual

(1) Only qualified personnel are authorized to install, start-up, repair or adjust the machines in which these components are installed. Only trained engineers should install and operate the equipment.

(2) Protect the cables with appropriate ways (routing them in a cabinet, using a cable guard, etc.).

(3) Keep the required clearance/creepage distance depending on voltage you use.

2.6 Disposal

Disposal of unusable or irreparable devices should always occur in accordance with the applicable country-specific waste disposal regulations. (Example: European Waste 16 02 14)

2.7 Lithium battery transportation

To transport lithium batteries, take actions to comply with the instructions and regulations such as the United Nations

(UN), the International Civil Aviation Organization (ICAO), and the International Maritime Organization (IMO).

MR-BAT is lithium metal batteries contain ER17330. MR-J3BAT contains a lithium metal battery, ER6. MR-BAT and

MR-J3BAT are not subject to the dangerous goods (Class 9) of the UN Recommendations.

3. Mounting/dismounting

Cabinet Top Cabinet

Installation direction and clearances

CAUTION

The devices must be installed in the specified direction. Not doing so may cause a malfunction.

Mount the servo amplifier on a cabinet which meets IP54 in the correct vertical direction to maintain pollution degree 2.

To adapt your machine using MR-J3W-0303BN6 to IEC/EN

60950-1, either supply the amplifier with a power supply complying with the requirement of 2.5 stated in IEC/EN 60950-1

(Limited Power Source), or cover the amplifier and motors connected to the outputs with a fire enclosure.

10 mm or more

40 mm or more

40 mm or more

10 mm or more

Bottom

80 mm or longer for wiring

Servo amplifier

4. Electrical Installation and configuration diagram

WARNING

Turn off the molded-case circuit breaker (MCCB) to avoid electrical shocks or damages to the product before starting the installation or wiring.

CAUTION

The installation complies with IEC/EN 60204-1. The voltage supply to machines must be 20 ms or more of immunity to instantaneous power failures as specified in IEC/EN 60204-1.

Connecting a servo motor of the wrong axis to U, V, W, or CN2_ of the servo amplifier may cause a malfunction.

The following shows representative configuration examples to conform to the IEC/EN/UL/CSA standards.

(1) 3-phase input for MR-J3W servo amplifier

(2) 1-phase input for MR-J3W servo amplifier

(3) Main circuit 48 V DC input for MR-

J3W servo amplifier

(3-phase

230 V AC)

Power supply (Note 1) MCCB or fuse

(3-phase

400 V AC)

Transformer

(star-connected)

To protective equipment

(Thermal signal) (Note 3)

MCCB or fuse

MC

Servo motor

L1 L2L3

L11

L21

Servo amplifier

CN1

PE

CN2A

CNP3A

CN2B

CNP3B

Controller

Encoder cable

Cabinet side

Machine side

(1-phase

230 V AC)

To protective equipment

(Thermal signal) (Note 3)

MCCB or fuse

MC

Power supply

(3-phase

400 V AC)

Transformer

(star-connected)

(Note 1) MCCB or fuse

Servo motor

L1 L2 L3

L11

L21

PE

CN2A

CNP3A

Servo amplifier

CN1

CN2B

CNP3B

Controller

Encoder cable

Cabinet side

Machine side

Servo motor

Servo motor

Note 1. When the wire sizes of L1 and L11 are the same, MCCB or fuse is not required.

2. For 1-phase 200 V AC servo amplifiers, connect the lines to L1 and L2.

3. Please use a thermal sensor, etc. for thermal protection of the servo motor.

24 V DC

48 V DC Circuit protector

To protective equipment

(Thermal signal) (Note 3)

CNP1

The connectors described by rectangles are safely separated from the main circuits described by circles.

The connected servo motors will be limited as follows.

(1) HG/HF series servo motors (Mfg.: Mitsubishi Electric)

(2) Using a servo motor complied with IEC 60034-1 and Mitsubishi Electric encoder (OBA, OSA)

Servo amplifier

24

0

PM

CN2A

CNP2A

CN1A

CN2B

CNP2B

5. Signals

Controller

Encoder cable

Cabinet side

Machine side

The following shows MR-J3W-22B signals as a typical example. For other servo amplifiers, refer to the servo amplifier instruction manual.

CN3

2

1

LG

15

14

LG

MO1

4

LB-A

LA-A

5

6

3

LA-B

MO2

17

LBR-A

19

16

LAR-A

18

LAR-B

LB-B

8

DI2-A

10

7

DI1-A

9

DI3-A

LBR-B

23

20

21

DI2-B

DI1-B

22

DI3-B

EM1

12

11

ALM-A

DICOM

25

24

ALM-B

MBR-A

13

MBR-B

26

DOCOM

6. Maintenance and service

WARNING

To avoid an electric shock, only qualified personnel should attempt inspections. For repair and parts replacement, contact your local sales office.

6.1 Inspection items

It is recommended that the following points periodically be checked.

(1) Check for loose PE terminals (tightening torque: 1.2 N•m). Retighten any loose screws. (Except for MR-J3W-

0303BN6)

(2) Check servo motor bearings, brake section, etc. for unusual noise.

(3) Check the cables and the like for scratches or cracks. Perform periodic inspection according to operating conditions.

(4) Check that the connectors are securely connected to the servo motor.

(5) Check that the wires are not coming out from the connector.

(6) Check for dust accumulation on the servo amplifier.

(7) Check for unusual noise generated from the servo amplifier.

(8) Check the servo motor shaft and coupling for connection.

6.2 Parts having service lives

Service lives of the following parts are listed below. However, the service life varies depending on operating methods and environment. If any fault is found in the parts, they must be replaced immediately regardless of their service lives.

For parts replacement, please contact your local sales office.

Part name Life guideline

Smoothing capacitor

Relay

Cooling fan

(Note 1) Battery backup time

(Note 2) Battery life

(Note 3) 10 years

Number of power-on, forced stop, and controller forced stop times: 100000 times

10,000 hours to 30,000 hours (2 years to 3 years)

Approximately 20,000 hours (equipment power supply: off, ambient temperature: 20 ˚C)

5 years from date of manufacture

Note 1. Time to hold data by a battery with power off. This varies depending on the number of axes for backup. Replace the batteries within three years since the operation start regardless of the power supply of the servo amplifier on/off. If the battery is used out of specification, the absolute position erased alarm (25) may occur.

2. Quality of the batteries degrades by the storage condition. The battery life is 5 years from the production date regardless of the connection status.

3. The characteristic of smoothing capacitor is deteriorated due to ripple currents, etc. The life of the capacitor greatly depends on ambient temperature and operating conditions. The capacitor will reach the end of its life in 10 years of continuous operation in normal airconditioned environment (40 ˚C surrounding air temperature or less).

7. Transportation and storage

CAUTION

Transport the products correctly according to their size and mass.

Stacking in excess of the limited number of product packages is not allowed.

Do not hold the front cover to transport the servo amplifier. Otherwise, it may drop.

For detailed information on transportation and handling of the battery, refer to the servo amplifier instruction manual.

Install the product in a load-bearing place of servo amplifier and servo motor in accordance with the instruction manual.

Do not get on or put heavy load on the equipment.

When you keep or use the product, please fulfill the following environment.

Ambient temperature

Ambient humidity

Item

Operation

Transportation (Note)

Storage (Note)

Operation, transportation, storage

[°C]

[°C]

[°C]

Environment

0 to 55 Class 3K3 (IEC/EN 60721-3-3)

-20 to 65 Class 2K4 (IEC/EN 60721-3-2)

-20 to 65 Class 1K4 (IEC/EN 60721-3-1)

5 %RH to 90 %RH

Vibration resistance

Pollution degree

IP rating

Test condition

Operation

Transportation (Note)

Storage

Altitude

Operation, storage

Transportation

Note. In regular transport packaging

8.Technical data

10 Hz to 57 Hz with constant amplitude of 0.075 mm

57 Hz to 150 Hz with constant acceleration of 9.8 m/s 2 to IEC/EN 61800-5-1

(Test Fc of IEC 60068-2-6)

5.9 m/s 2

Class 2M3 (IEC/EN 60721-3-2)

Class 1M2 (IEC/EN 60721-3-2)

2

IP20 (IEC/EN 60529), terminal block: IP00

Open type (UL 50)

1000 m or less above sea level

10000 m or less above sea level

8.1 MR-J3W servo amplifier

Item

Power supply

Main circuit

(line voltage)

Control circuit

(line voltage)

Interface (SELV)

Control method

Pollution degree

Overvoltage category

Protective class

MR-J3W-22B/MR-J3W-44B/

MR-J3W-77B/MR-J3W-222B/

MR-J3W-444B

3-phase or 1-phase 200 V AC to

230 V AC, 50 Hz/60 Hz

MR-J3W-1010B MR-J3W-0303BN6

3-phase 200 V AC to 230 V AC,

50 Hz/60 Hz

1-phase 200 V AC to 230 V AC, 50 Hz/60 Hz

24 V DC, (required current capacity: 350 mA)

Sine-wave PWM control, current control method

2 (IEC/EN 60664-1)

1-phase: II (IEC/EN 60664-1), 3-phase: III (IEC/EN 60664-1)

I (IEC/EN 61800-5-1)

48 V DC or 24 V DC

24 V DC

Short-circuit current rating (SCCR) 100 kA 5 kA (Note)

Note. For the use in US/Canada, constitute a branch circuit including the power supply which endures SCCR of 5 kA minimum in the industrial cabinet.

8.2 Servo amplifier dimensions

II (IEC/EN 60664-1)

III (IEC/EN 61800-5-1)

H Front

W

Side

D

Servo amplifier

MR-J3W-0303BN6

MR-J3W-22B/MR-J3W-44B

MR-J3W-77B/MR-J3W-1010B

W

Variable dimension table [mm]

H D

30

60

100

168

168

168

100

195

195

Mass [kg]

0.3

1.4

2.3

8.3 Mounting hole c b a1 d1 e

Servo amplifier

MR-J3W-0303BN6

MR-J3W-22B/MR-J3W-44B

MR-J3W-77B/MR-J3W-1010B a

6

6

6 a1

6

6

6

Variable dimensions [mm] b

156 ± 0.5

156 ± 0.5

156 ± 0.5

c

6

6

6 d

48 ± 0.3

88 ± 0.3

Screw

Size d1 e

48 ± 0.3

88 ± 0.3

M5

M5

M5 c a d

[Warranty]

1. Warranty period and coverage

We will repair any failure or defect hereinafter referred to as "failure" in our FA equipment hereinafter referred to as the

"Product" arisen during warranty period at no charge due to causes for which we are responsible through the distributor from which you purchased the Product or our service provider. However, we will charge the actual cost of dispatching our engineer for an on-site repair work on request by customer in Japan or overseas countries. We are not responsible for any on-site readjustment and/or trial run that may be required after a defective unit are repaired or replaced.

[Term]

The term of warranty for Product is twelve (12) months after your purchase or delivery of the Product to a place designated by you or eighteen (18) months from the date of manufacture whichever comes first ("Warranty Period"). Warranty period for repaired Product cannot exceed beyond the original warranty period before any repair work.

[Limitations]

(1) You are requested to conduct an initial failure diagnosis by yourself, as a general rule. It can also be carried out by us or our service company upon your request and the actual cost will be charged. However, it will not be charged if we are responsible for the cause of the failure.

(2) This limited warranty applies only when the condition, method, environment, etc. of use are in compliance with the terms and conditions and instructions that are set forth in the instruction manual and user manual for the Product and the caution label affixed to the Product.

(3) Even during the term of warranty, the repair cost will be charged on you in the following cases.

(i) a failure caused by your improper storing or handling, carelessness or negligence, etc., and a failure caused by your hardware or software problem

(ii) a failure caused by any alteration, etc. to the Product made on your side without our approval

(iii) a failure which may be regarded as avoidable, if your equipment in which the Product is incorporated is equipped with a safety device required by applicable laws and has any function or structure considered to be indispensable according to a common sense in the industry

(iv) a failure which may be regarded as avoidable if consumable parts designated in the instruction manual, etc. are duly maintained and replaced

(v) any replacement of consumable parts (battery, fan, smoothing capacitor, etc.)

(vi) a failure caused by external factors such as inevitable accidents, including without limitation fire and abnormal fluctuation of voltage, and acts of God, including without limitation earthquake, lightning and natural disasters

(vii) a failure generated by an unforeseeable cause with a scientific technology that was not available at the time of the shipment of the Product from our company

(viii) any other failures which we are not responsible for or which you acknowledge we are not responsible for

2. Term of warranty after the stop of production

(1) We may accept the repair at charge for another seven (7) years after the production of the product is discontinued. The announcement of the stop of production for each model can be seen in our Sales and Service, etc.

(2) Please note that the Product (including its spare parts) cannot be ordered after its stop of production.

3. Service in overseas countries

Our regional FA Center in overseas countries will accept the repair work of the Product. However, the terms and conditions of the repair work may differ depending on each FA Center. Please ask your local FA center for details.

4. Exclusion of responsibility for compensation against loss of opportunity, secondary loss, etc.

Whether under or after the term of warranty, we assume no responsibility for any damages arisen from causes for which we are not responsible, any losses of opportunity and/or profit incurred by you due to a failure of the Product, any damages, secondary damages or compensation for accidents arisen under a specific circumstance that are foreseen or unforeseen by our company, any damages to products other than the Product, and also compensation for any replacement work, readjustment, start-up test run of local machines and the Product and any other operations conducted by you.

5. Change of Product specifications

Specifications listed in our catalogs, manuals or technical documents may be changed without notice.

6. Application and use of the Product

(1) For the use of our General-Purpose AC Servo, its applications should be those that may not result in a serious damage even if any failure or malfunction occurs in General-Purpose AC Servo, and a backup or fail-safe function should operate on an external system to General-Purpose AC Servo when any failure or malfunction occurs.

(2) Our General-Purpose AC Servo is designed and manufactured as a general purpose product for use at general industries.

Therefore, applications substantially influential on the public interest for such as atomic power plants and other power plants of electric power companies, and also which require a special quality assurance system, including applications for railway companies and government or public offices are not recommended, and we assume no responsibility for any failure caused by these applications when used.

In addition, applications which may be substantially influential to human lives or properties for such as airlines, medical treatments, railway service, incineration and fuel systems, man-operated material handling equipment, entertainment machines, safety machines, etc. are not recommended, and we assume no responsibility for any failure caused by these applications when used.

We will review the acceptability of the abovementioned applications, if you agree not to require a specific quality for a specific application. Please contact us for consultation.

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