Mitsubishi Electric C70 Gebrauchsanweisung

Introduction

This manual explains the items required for installing and connecting the C70.

Read this manual thoroughly and understand the product's functions and performance before starting to

use.

This manual is written on the assumption that all option functions are added, but the actually delivered

device may not have all functions.

The unit names, cable names and various specifications are subject to change without notice. Please

confirm these before placing an order.

For safe use, fully understand "Precautions for Safety" on the next page first.

Details described in this manual:

CAUTION

For items described as "Restrictions" or "Usable State" in this manual, the instruction manual issued by

the machine tool builder takes precedence over this manual.

Items that are not described in this manual must be interpreted as "not possible".

This manual is written on the assumption that all option functions are added. Confirm the specifications

issued by the machine tool builder before use.

Refer to the Instruction Manual issued by each machine tool builder for details on each machine tool.

Some screens and functions may differ depending on each NC system (or version), and some functions

may not be possible. Please confirm the specifications before use.

Refer to the following documents.

G16 User's Manual ........................................................................................ SH(NA)-080778ENG

GT15 User's Manual ...................................................................................... SH(NA)-080528ENG

QCPU User's Manual (Hardware Design, Maintenance and Inspection) ...... SH(NA)-080483ENG

MDS-D/DH Series Instruction Manual ........................................................... IB-1500025(ENG)

MDS-D-SVJ3/SPJ3 Series Instruction Manual .............................................. IB-1500193(ENG)

MDS-DM Series Instruction Manual .............................................................. IB(NA)-1500893(ENG)

Precautions for Safety

Always read this manual and enclosed documents before installation, operation, maintenance and

inspection to ensure correct usage. Thoroughly understand the basics, safety information and

precautions of the devices before using.

This manual classifies the safety precautions into "DANGER", "WARNING" and "CAUTION".

Note that the items under " CAUTION", could lead to serious consequences as well depending on the

situation. Please follow all items listed in “Precautions for Safety” as they are equally important.

When the user could be subject to imminent fatalities or serious injuries if

handling is mistaken.

When the user could be subject to fatalities or serious injuries if handling is

mistaken.

When the user could be subject to minor or moderate injuries or the

property could be damaged if handling is mistaken.

DANGER

WARNING

CAUTION

This product is not designed or manufactured on the assumption that the product will be used for the

equipment or systems that are to be subject to any fatal consequences. Please inquire our customer

service department about any particular usage other than the normal usage as a machine tool.

1. Items related to prevention of electric shocks.

For Safe Use

WARNING

Do not open/close the front cover while the power is ON or during operation. The high voltage terminals and

charged sections will be exposed, and this could result in electric shocks.

Do not remove the front cover even when the power is OFF, except for the wiring works or periodic inspections.

The inside of the controller and servo drive unit are charged, and this could result in electric shocks.

Always wait at least 15 minutes after turning the power OFF. Then, check the voltage with a tester, etc., before

wiring works, inspections or connecting with peripheral devices. Failure to observe this could result in electric

shocks.

Earth ground the controller, servo drive unit and servomotor according to the local laws. (In Japan, ground the

200V Series input products with Class C or higher protective grounding and the 400V Series input with Class D

or higher protective grounding.)

All wiring works, maintenance and inspections must be carried out by a qualified technician. Failure to observe

this could result in electric shocks. Contact your nearby Service Center or Service Station for replacing parts

and servicing.

Wire the controller, servo drive unit and servomotor after installation. Failure to observe this could result in

electric shocks.

Do not operate the switches with wet hands. Failure to observe this could result in electric shocks.

Do not damage, apply excessive stress, place heavy things on or sandwich the cables. Failure to observe this

could result in electric shocks.

Insulate the power lead using a fixed terminal block. Failure to observe this could result in electric shocks.

Completely turn off the all lines of the power supply externally before wiring. Not completely turning off all power

could result in electric shock or damage to the product.

When turning on the power supply or operating the module after wiring, be sure that the module's terminal

covers are correctly attached. Not attaching the terminal cover could result in electric shock.

2. Items related to prevention of fire

3. Items related to prevention of bodily injury or property damage

CAUTION

Install the controller, servo drive unit, servomotor and regenerative resistor on non-combustible material.

Installation directly on or near combustible materials could result in fires.

If any malfunction in the unit is observed, shut off the power at the unit’s input power side. Continuous flow of

large current could result in fires.

Install an appropriate NFB (circuit breaker) and MC (contactor) on the power input section of the servo drive unit

and configure the sequence that shuts the power off upon drive unit’s emergency stop or alarm.

When a breaker is shared for multiple power supply units, the breaker may not function upon short-circuit failure

in a small capacity unit. Do not share a breaker for multiple units as this is dangerous.

Incorrect wiring and connections could cause the devices to damage or burn.

DANGER

When transporting or installing a built-in IPM spindle or linear servomotor, be careful so that your hand or

property will not be trapped in the servomotors or other metal objects. Also keep the devices with low magnetic

tolerance away from the product.

CAUTION

Do not apply voltages to other than those indicated in the connection manual for the controller or specifications

manual for the servo drive unit. Failure to observe this could cause the devices to rupture or damage, etc.

Incorrect terminal connections could cause the devices to rupture or damage, etc.

Incorrect polarity (+ -) could cause the devices to rupture or damage, etc.

Persons wearing medical devices, such as pacemakers, must stay away from this unit. The electromagnetic

waves could adversely affect the medical devices.

Fins on the rear of the unit, regenerative resistor and servomotor, etc., will be hot during operation and for a

while after the power has been turned OFF. Do not touch or place the parts and cables, etc. close to these

sections. Failure to observe this could result in burns.

Do not enter the machine’s movable range during automatic operation. Keep your hands, feet or face away from

the spindle during rotation.

4. General Precautions

Always follow the precautions below. Incorrect handling could result in faults, injuries or electric shocks, etc.

(1) Transportation and installation

CAUTION

Correctly transport the products according to the weights.

Use servomotor’s suspension bolts to transport the servomotor itself. Do not use it to transport the servomotor

after installation onto the machine.

Do not stack the products exceeding the indicated limit.

Do not hold the cables, shaft or detector when transporting the servomotor.

Do not transport the controller or servo drive unit by suspending or holding the connected wires or cables.

Do not hold the front cover when transporting the servo drive unit, or the front cover could come off, causing the

unit to drop.

Install on a non-combustible place where the unit’s or motor’s weight can be withstood according to the

instruction manual.

The servomotor does not have a complete water-proof (oil-proof) structure. Do not allow oil or water to contact

or enter the motor. Prevent the oil-soaked cutting chips from being accumulated on the motor.

When installing the motor facing upwards, take measures on the machine side so that gear oil, etc., will not

enter the motor shaft.

Do not remove the detector from the servomotor. (The detector installation screw is treated with sealing.)

Do not allow foreign matters, especially, conductive foreign matters such as screws or metal chips, or

combustible foreign matters such as oil, to enter the controller, servo drive unit or servomotor. Failure to

observe this could result in rupture or damage.

Do not get on the product or place heavy objects on it.

Provide appropriate distance between the controller/servo drive unit and inner surface of the control panel/other

devices.

Do not install or operate the controller, servo drive unit or servomotor that is damaged or has missing parts.

Take care not to cut hands, etc. with the heat radiating fins or metal edges.

Do not block the intake/outtake ports of the servomotor with the cooling fan.

CAUTION

Install the controller’s display unit and operation board unit on the spot where cutting oil will not reach.

The controller, servo drive unit and servomotor are precision devices, so do not drop or apply thumping vibration

and strong impacts on them.

Hard disk unit is a precision device, so do not drop or apply strong impacts on it.

Store and use the units according to the environment conditions indicated in each specifications manual.

Securely fix the motor to the machine. The motor could come off during operation if insecurely fixed.

Always install the servomotor with reduction gear in the designated direction. Failure to observe this could result

in oil leaks.

Always install a cover, etc., over the shaft so that the rotary section of the spindle motor cannot be touched

during motor rotation.

When using a coupling connection to the servomotor shaft end, do not apply impacts by hammering, etc. The

detector could be damaged.

Use a flexible coupling when connecting with a ball screw, etc., and keep the shaft core deviation smaller than

the tolerable radial load of the shaft.

Do not use a rigid coupling as an excessive bending load will be applied on the shaft and could cause the shaft

to break.

Do not apply a load exceeding the tolerable level onto the motor shaft. The shaft or bearing could be damaged.

Before using this product after a long period of storage, please contact the Mitsubishi Service Station or Service

Center.

Following the UN recommendations, battery units and batteries should be transported based on the

international regulations such as those determined by International Civil Aviation Organization (ICAO),

International Air Transport Association (IATA), International Maritime Organization (IMO) and U.S. Department

of Transportation (DOT).

Due to ventilation problems, do not install the base units vertically or horizontally when C70 is mounted on a

board, etc.

Install the basic base on a flat surface. Unevenness or warping of the surface can apply undue force to printed

circuit boards and lead to operation failures.

Avoid installing the base units close to a vibration source, such as a large electromagnetic contactor or no-fuse

breaker. Install them on a separate panel or at a safe distance.

To limit the effects of reflected noise and heat, leave 100mm(3.94inch) or more clearance to instruments fitted in

front of CNC CPU (on the rear of the door).

Similarly, leave 50mm(1.97inch) or more clearance between instruments and the left and right sides of the basic

base.

(2) Items related to wiring

CAUTION

Correctly wire this product. Failure to observe this could result in servomotor runaway, etc.

Do not install a phase advancing capacitor, surge absorber or radio noise filter on the output side of the servo

drive unit.

Correctly connect the output side (terminal U, V, W). The servomotor will not run properly if incorrectly

connected.

Always install an AC reactor per each power supply unit.

Always install an appropriate breaker per each power supply unit. A breaker cannot be shared for multiple power

supply units.

Do not directly connect a commercial power supply to the servomotor. Failure to observe this could result in

faults.

When using an inductive load such as relays, always connect a diode in parallel to the load as a noise

countermeasure.

When using a capacitive load such as a lamp, always connect a protective resistor in series to the load to

suppress rush currents.

Do not mistake the direction of the surge absorption diode to be installed on the DC relay for the control output

signal. If mistaken, the signal will not be output due to fault in the drive unit, and consequently the protective

circuit, such as emergency stop, could be disabled.

Do not connect or disconnect the connection cables between each unit while the power is ON.

Do not connect or disconnect the PCBs while the power is ON.

Do not pull the cables when connecting/disconnecting it.

Securely tighten the cable connector fixing screw or fixing mechanism. Insufficient fixing could result in

dislocation during operation.

Always treat the shield cables indicated in the Connection Manual with grounding measures such as cable

clamps.

Separate the signal wire from the drive line or power line when wiring.

Carry out wiring so that there is no possibility of short circuit between wires, nor of dangerous state.

COM

(24VDC)

Control

output

signal

Servo drive unit

COM

(24VDC)

Servo drive unit

Control

output

signal

CAUTION

Use wires and cables whose wire diameter, heat resistance level and bending capacity are compatible with the

system.

Ground the device according to the requirements of the country where the device is to be used.

Wire the heat radiating fins and wires so that they do not contact.

When using the RS-232C device as a peripheral device, caution must be paid for connector connection/

disconnection.

Always use a double-OFF type AC power supply switch on the device side, and connect/disconnect the

connector with the AC power supply on the device side OFF.

Be sure to ground the earth terminal FG and LG. Not doing so could result in electric shock or operation failure.

(Ground resistance: 100Ωor less)

When wiring in the unit, be sure that it is done correctly by checking the product's rated voltage and the terminal

layout. Connecting a power supply that is different from the rating or incorrectly wiring the product could result in

fire or damage.

External connections shall be crimped or pressure welded with the specified tools, or correctly soldered.

Imperfect connections could result in short circuit, fire, or operation failure.

Tighten the terminal screws within the specified torque range. If the terminal screws are loose, it could result in

short circuit, fire, or operation failure. Tightening the terminal screws too far may cause damages to the screws

and/or the module, resulting in drop, short circuit, or operation failure.

Be sure there are no foreign matters such as sawdust or wiring debris inside the module. Such debris could

cause fire, damage, or operation failure.

The module has an ingress prevention label on its top to prevent foreign matter, such as wiring debris, from

entering the module during wiring.

Do not remove this label during wiring.

Before starting system operation, be sure to remove this label because of heat dissipation.

When connecting to a personal computer and a unit with the USB interface, an electric shock or a

unit failure may occur.

Operate these correctly according to the manual of a unit and a personal computer.

Observe the following cautions when a personal computer in an AC power supply is used.

(1) For a personal computer that uses a 3-pin power plug or power plug with a ground lead type, make sure to

use a plug socket including a ground input electrode or ground the earth lead, respectively.

(2) For a personal computer that uses a 2-pin power plug without ground lead, make sure to connect the unit

to the personal computer according to the following procedures.

And, it is recommended to supply the same power supply line to a personal computer and the unit.

(a) Pull out the power plug of the personal computer from the AC outlet.

(b) Confirm that the power plug of the personal computer has been pulled out from the AC outlet, and

connect USB cables.

unit

Device Switch

C socket

RS-232C

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