YASKAWA VS MINI J7 Manuale utente

VS mini J7 Series

INSTRUCTION MANUAL

COMPACT GENERAL-PURPOSE INVERTER

Upon receipt of the product and prior to initial operation, read

these instructions thoroughly, and retain for future reference.

YASKAWA

MANUAL NO. TOE-S606-12G

PREFACE

YASKAWA’s VS mini J7 (hereinafter, called VS mini).

is a small and simple inverter; as easy as using a

contactor. This instruction manual describes

installation, maintenance and inspection,

troubleshooting, and specifications of the VS mini.

Read this instruction manual thoroughly before

operation.

YASKAWA ELECTRIC CORPORATION

General Precautions

• Some drawings in this manual are shown with the protective cover or

shields removed, in order to describe detail with more clarity. Make

sure all covers and shields are replaced before operating this product.

• This manual may be modified when necessary because of improvement

of the product, modification, or changes in specifications.

Such modifications are denoted by a revised manual No.

• To order a copy of this manual, if your copy has been damaged or lost,

contact your YASKAWA representative.

• YASKAWA is not responsible for any modification of the product

made by the user, since that will void your guarantee.

NOTES FOR SAFE OPERATION

Read this instruction manual thoroughly before installation, operation,

maintenance or inspection of the VS mini. In this manual, NOTES FOR

SAFE OPERATION are classified as “WARNING”or “CAUTION.”

Indicates a potentially hazardous situation which, if not avoided, could result

in death or serious injury to personnel.

Indicates a potentially hazardous situation which, if not avoided, may result

in minor or moderate injury to personnel and damage to equipment.

It may also be used to alert against unsafe practices.

Even items described in may result in a vital accident in some

situations. In either case, follow these important notes.

: These are steps to be taken to insure proper operation.

NOTE

CAUTION

WARNING

CAUTION

WARNINGS FOR UL/cUL MARKING

•Do not connect or disconnect wiring, or perform signal checks while the

power supply is turned ON.

•The Inverter internal capacitor is still charged even after the power supply

is turnd OFF. To prevent electric shock, disconnect all power before

servicing the Inverter. Then wait at least one minute after the power

supply is disconnected and all indecators are OFF.

•Do not perform a withstand voltage test on any part of the Inverter. This

electronic equipment uses semiconductors and is vulnerable to high

voltage.

•Do not remove the Digital Operator or the blank cover unless the power

supply is turned OFF. Never touch the printed control board (PCB) while

the power supply is turned ON.

•This Inverter is not suitable for use on a circuit capable of delivering more

than 18,000 RMS symmetrical amperes, 250volts maximum (200V class

units) or 18,000 RMS symmetrical amperes, 480volts maximum (400V

class units).

WARNINGS FOR CE MARKINGS

•Only basic insulation to meet the requirements of protection class 1 and

overvoltage category II is provided with control circuit terminals.

Additional insulation may be necessary in the end product to conform to

CE requirements.

•For 400 V class Inverters, make sure to ground the supply neutral to

conform to CE requirements.

•For conformance to EMC directives, refer to the relevant manuals for the

requirements.

Document No. EZZ008389 for Japanese version,

Document No. EZZ008390 for English version

CAUTION

Use 75°C copper wires or equivalent.

Low voltage wires shall be wired with Class I Wiring.

RECEIVING

CAUTION

(Ref. page)

•Do not install or operate any inverter which is damaged or

has missing parts.

Failure to observe this caution may result in personal injury or

equipment damage. 15

MOUNTING

CAUTION

(Ref. page)

•Lift the cabinet by the heatsink. When moving the

unit, never lift by the plastic case or the terminal covers.

Otherwise, the main unit may be dropped causing damage

to the unit. 17

•Mount the inverter on nonflammable material (i.e. metal).

Failure to observe this caution can result in a fire. 17

•When mounting units in an enclosure, install a fan or

other cooling device (open chasis to keep the intake air

temperature below 50: (122<).

Overheating may cause a fire or damage to the unit. 18

•The VS mini generates heat. For effective cooling,

mount it vertically.

Refer to the figure in “Mounting Dimensions”on page 18.

WIRING

WARNING

(Ref. page)

•Only commence wiring after verifying that the power

supply is turned OFF.

Failure to observe this warning can result in an electric shock

or a fire.

•Wiring should be performed only by qualified personnel.

Failure to observe this warning can result in an electric shock

or a fire.

•When wiring the emergency stop circuit, check the wiring

thoroughly before operation.

Failure to observe this warning can result in personal injury.

•For 400V class, make sure to ground the supply neutral.

Failure to observe this warning can result in an electric shock

or a fire. 24

•Make sure to ground the ground terminal according to the

local grounding code.

Failure to observe this warning can result in an electric shock

or a fire. 24

CAUTION

(Ref. page)

•Verify that the inverter rated voltage coincides with the

AC power supply voltage.

Failure to observe this caution can result in personal injury

or a fire.

•Do not perform a withstand voltage test of the inverter.

It may cause semi-conductor elements to be damaged.

•Make sure to tighten terminal screws of the main circuit

and the control circuit.

Failure to observe this caution can result in a malfunction,

damage or

a fire.

•Never connect the AC main circuit power supply to

output terminals U/T1, V/T2, and W/T3.

The inverter will be damaged and invalidate the guarantee.

•Do not connect or disconnect wires or connectors

while power is applied to the circuit.

Failure to observe this caution can result in personal injury.

•Do not change signals during operation.

The machine or the inverter may be damaged.

OPERATION

WARNING

(Ref. page)

•Only turn ON the input power supply after replacing

the front cover.

Do not remove the covers while current is flowing.

Failure to observe this warning can result in an electric shock.

•Never operate the digital operator or dip the switches

when your hand is wet.

Failure to observe this warning can result in an electric shock.

•Never touch the terminals while current is flowing, even

during inverter stopping.

Failure to observe this warning can result in an electric shock.

•When the fault retry function is selected, stand clear of

the inverter or the load, since it may restart suddenly

after being stopped.

(Construct machine system, so as to assure safety for personnel,

even if the inverter should restart.)

Failure to observe this

warning can result in personal injury.

•When continuous operation after power recovery is

selected, stand clear of the inverter or the load, since

it may restart suddenly after being stopped.

(Construct machine system, so as to assure safety for personnel,

even if the inverter should restart.)

Failure to observe this

warning can result in personal injury.

•Since the digital operator stop button can be disabled

by a function setting, install a separate emergency

stop switch.

Failure to observe this warning can result in personal injury.

•If an alarm is reset with the operation signal ON, the inverter

restarts automatically. Only reset the alarm after verifying

that the operation signal is OFF.

Failure to observe this warning can result in personal injury.

MAINTENANCE AND INSPECTION

CAUTION

(Ref. page)

•Never touch the heatsink since the temperature is very high.

Failure to observe this caution can result in harmful burns

to the body.

•Since it is easy to change operation speed from low to

high speed, verify the safe working range of the motor

and machine before operation.

Failure to observe this caution can result in personal injury

and machine damage.

•Install a holding brake separately if necessary.

Failure to observe this caution can result in personal injury.

•If using an Inverter with an elevator, take safety measures on the

elevator to prevent the elevator from dropping.

Failure to observe this caution can result in personal injury.

•Do not change signals during operation.

The machine or the inverter may be damaged.

•All the constants of the inverter have been preset

at the factory. Do not change the settings unnecessarily.

The inverter may be damaged. 27

WARNING

•Never touch high-voltage terminals in the inverter.

Failure to observe this warning can result in an electric shock.

•

Disconnect all power before performing maintenance or inspection.

Then wait at least one minute after the power supply is disconnected

and all LEDs and CHARGE LED are extinguished.

The capacitors are still charged and can be dangerous.

WARNING

•Never modify the product.

Failure to observe this warning can result in an electric shock or personal

injury and will invalidate the guarantee.

WARNING

(Ref. page)

•Do not perform withstand voltage test on any part

of the VS mini.

This electronic equipment uses semiconductors and is

vulnerable to high voltage.

•Only authorized personnel should be permitted to perform

maintenance, inspections or parts replacement.

[Remove all metal objects (watches, bracelets, etc.)

before operation.]

(Use tools which are insulated against electric shock.)

Failure to observe this warning can result in an electric shock.

CAUTION

(Ref. page)

•The control PC board employs CMOS ICs.

Do not touch the CMOS elements.

They are easily damaged by static electricity.

•Do not connect or disconnect wires, cooling fan or connentors

while power is applied to the circuit.

Failure to observe this caution can result in personal injury.

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