Mitsubishi Electric MELDAS MDS-R Series Manual de usuario

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MELDAS is a registered trademark of Mitsubishi Electric Corporation.

Other company and product names that appear in this manual are trademarks or registered

trademarks of their respective companies.

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Introduction

Thank you for selecting the Mitsubishi numerical control unit.

This instruction manual describes the handling and caution points for using this AC

servo/spindle.

Incorrect handling may lead to unforeseen accidents, so always read this instruction

manual thoroughly to ensure correct usage.

Make sure that this instruction manual is delivered to the end user.

Always store this manual in a safe place.

In order to confirm if all function specifications described in this manual are applicable,

refer to the specifications for each CNC.

Notes on Reading This Manual

(1) Since the description of this specification manual deals with NC in general, for the

specifications of individual machine tools, refer to the manuals issued by the

respective machine manufacturers. The "restrictions" and "available functions"

described in the manuals issued by the machine manufacturers have precedence

to those in this manual.

(2) This manual describes as many special operations as possible, but it should be

kept in mind that items not mentioned in this manual cannot be performed.

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Precautions for safety

Please read this manual and auxiliary documents before starting installation, operation,

maintenance or inspection to ensure correct usage. Thoroughly understand the device, safety

information and precautions before starting operation.

The safety precautions in this instruction manual are ranked as "WARNING" and "CAUTION".

DANGER When there is a potential risk of fatal or serious injuries if

handling is mistaken.

WARNING When a dangerous situation, or fatal or serious injuries may

occur if handling is mistaken.

CAUTION When a dangerous situation may occur if handling is mistaken

leading to medium or minor injuries, or physical damage.

Note that some items described as CAUTION may lead to major results depending on

the situation. In any case, important information that must be observed is described.

The signs indicating prohibited and mandatory matters are explained below.

Indicates a prohibited matter. For example, "Fire Prohibited"

is indicated as .

Indicates a mandatory matter. For example, grounding is

indicated as .

After reading this specifications and instructions manual, store it where the user can access it

easily for reference.

The numeric control unit is configured of the control unit, operation board, servo drive unit,

spindle drive unit, power supply, servomotor and spindle motor, etc.

In this section "Precautions for safety", the following items are generically called the "motor".

• Servomotor

• Linear servomotor

• Spindle motor

In this section "Precautions for safety", the following items are generically called the "unit".

• Servo drive unit

• Spindle drive unit

• Power supply unit

• Scale interface unit

• Magnetic pole detection unit

POINT Important matters that should be understood for operation of this machine

are indicated as a POINT in this manual.

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WARNING

1. Electric shock prevention

Do not open the front cover while the power is ON or during operation. Failure to observe this

could lead to electric shocks.

Do not operate the unit with the front cover removed. The high voltage terminals and charged

sections will be exposed, and can cause electric shocks.

Do not remove the front cover and connector even when the power is OFF unless carrying

out wiring work or periodic inspections. The inside of the units is charged, and can cause

electric shocks.

Since the high voltage is supplied to the main circuit connector while the power is ON or

during operation, do not touch the main circuit connector with an adjustment screwdriver or

the pen tip. Failure to observe this could lead to electric shocks.

Wait at least 15 minutes after turning the power OFF, confirm that the CHARGE lamp has

gone out, and check the voltage between P and N terminals with a tester, etc., before starting

wiring, maintenance or inspections. Failure to observe this could lead to electric shocks.

Ground the unit and motor following the standards set forth by each country.

Wiring, maintenance and inspection work must be done by a qualified technician.

Wire the servo drive unit and servomotor after installation. Failure to observe this could lead to

electric shocks.

Do not touch the switches with wet hands. Failure to observe this could lead to electric shocks.

Do not damage, apply forcible stress, place heavy items on the cables or get them caught.

Failure to observe this could lead to electric shocks.

2. Injury prevention

The linear servomotor uses a powerful magnet on the secondary side, and could adversely

affect pacemakers, etc.

During installation and operation of the machine, do not place portable items that could

malfunction or fail due to the influence of the linear servomotor's magnetic force.

Take special care not to pinch fingers, etc., when installing (and unpacking) the linear

servomotor.

In the system where the optical communication with CNC is executed, do not see directly the

light generated from CN1A/CN1B connector of drive unit or the end of cable. When the light

gets into eye, you may feel something is wrong for eye.

(The light source of optical communication corresponds to class1 defined in JISC6802 or

IEC60825-1.)

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CAUTION

1. Fire prevention

Install the units, motors and regenerative resistor on non-combustible material. Direct

installation on combustible material or near combustible materials could lead to fires.

Always install a circuit protector and contactor on the servo drive unit power input as explained

in this manual. Refer to this manual and select the correct circuit protector and contactor. An

incorrect selection could result in fire.

Shut off the power on the unit side if a fault occurs in the units. Fires could be caused if a large

current continues to flow.

When using a regenerative resistor, provide a sequence that shuts off the power with the

regenerative resistor's error signal. The regenerative resistor could abnormally overheat and

cause a fire due to a fault in the regenerative transistor, etc.

The battery unit could heat up, ignite or rupture if submerged in water, or if the poles are

incorrectly wired.

Cut off the main circuit power with the contactor when an alarm or emergency stop occurs.

2. Injury prevention

Do not apply a voltage other than that specified in this manual, on each terminal. Failure to

observe this item could lead to ruptures or damage, etc.

Do not mistake the terminal connections. Failure to observe this item could lead to ruptures or

damage, etc.

Do not mistake the polarity (

–

). Failure to observe this item could lead to ruptures or

damage, etc.

Do not touch the radiation fin on unit back face, regenerative resistor or motor, etc., or place

parts (cables, etc.) while the power is turned ON or immediately after turning the power OFF.

These parts may reach high temperatures, and can cause burns or part damage.

Structure the cooling fan on the unit back face, etc., etc so that it cannot be touched after

installation. Touching the cooling fan during operation could lead to injuries.

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CAUTION

3. Various precautions

Observe the following precautions. Incorrect handling of the unit could lead to faults, injuries and

electric shocks, etc.

(1) Transportation and installation

Correctly transport the product according to its weight.

Use the motor's hanging bolts only when transporting the motor. Do not transport the

machine when the motor is installed on the machine.

Do not stack the products above the tolerable number.

Follow this manual and install the unit or motor in a place where the weight can be borne.

Do not get on top of or place heavy objects on the unit.

Do not hold the cables, axis or detector when transporting the motor.

Do not hold the connected wires or cables when transporting the units.

Do not hold the front cover when transporting the unit. The unit could drop.

Always observe the installation directions of the units or motors.

Secure the specified distance between the units and control panel, or between the servo drive

unit and other devices.

Do not install or run a unit or motor that is damaged or missing parts.

Do not block the intake or exhaust ports of the motor provided with a cooling fan.

Do not let foreign objects enter the units or motors. In particular, if conductive objects such as

screws or metal chips, etc., or combustible materials such as oil enter, rupture or breakage

could occur.

The units and motors are precision devices, so do not drop them or apply strong impacts to

them.

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CAUTION

Store and use the units under the following environment conditions.

Environment Unit Motor

Ambient

temperature

Operation: 0 to 55°C (with no freezing),

Storage / Transportation: -15°C to 70°C

(with no freezing)

Operation: 0 to 40°C (with no freezing),

Storage: -15°C to 70°C (Note 2) (with no freezing)

Ambient

humidity

Operation: 90%RH or less

(with no dew condensation)

Storage / Transportation: 90%RH or less

(with no dew condensation)

Operation: 80%RH or less

(with no dew condensation),

Storage: 90%RH or less

(with no dew condensation)

Atmosphere Indoors (no direct sunlight)

With no corrosive gas, inflammable gas, oil mist, dust or conductive fine particles

Altitude

Operation/Storage: 1000 meters or less above

sea level,

Transportation: 13000 meters or less above sea

level

Operation: 1000 meters or less above sea level,

Storage: 10000 meters or less above sea level

Vibration/impact According to each unit or motor specification

(Note 1) For details, confirm each unit or motor specifications in addition.

(Note 2) -15°C to 55°C for linear servomotor.

Securely fix the servomotor to the machine. Insufficient fixing could lead to the servomotor

slipping off during operation.

Always install the servomotor with reduction gear in the designated direction. Failure to do so

could lead to oil leaks.

Structure the rotary sections of the motor so that it can never be touched during operation.

Install a cover, etc., on the shaft.

When installing a coupling to a servomotor shaft end, do not apply an impact by hammering,

etc. The detector could be damaged.

Do not apply a load exceeding the tolerable load onto the servomotor shaft. The shaft could

break.

Store the motor in the package box.

When inserting the shaft into the built-in IPM motor, do not heat the rotor higher than 130°C.

The magnet could be demagnetized, and the specifications characteristics will not be

ensured.

Always use a nonmagnetic tool (explosion-proof beryllium copper alloy safety tool: NGK

Insulators, etc.) when installing the linear servomotor.

Always provide a mechanical stopper on the end of the linear servomotor's travel path.

If the unit has been stored for a long time, always check the operation before starting actual

operation. Please contact the Service Center, Service Station, Sales Office or delayer.

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