Datasheet VS Datasheet (OMRON)

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Manual No. TOE-S606-12F-OY

VS mini J7

Compact General Purpose Inverter

USER’S MANUAL

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.

OMRON YASKAWA Motion Control B.V.

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 OYMC representative.

• OYMC 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.

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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.

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

Failure to observe this caution can result in a fire.

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• 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.

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• 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.

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• Wiring should be performed only by qualified personnel.

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

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• When wiring the emergency stop circuit, check the wiring thoroughly before operation.

Failure to observe this warning can result in personal injury.

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

Failure to observe this warning can result in an electric shock or a fire. чччччччччччччччччччччччччччччччччччччччччччччччч24

• 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. чччччччччччччччччччччччччччччччччччччччччччччччч24

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.

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• 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.

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• 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.

ччччччччччччччччччччччччч53

• 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.

ччччччччччччччччччччччччч48

• 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.

ччччччч26

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.

чччччччччччччччччччччччччччччч27

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.

чччччч84

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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Others

WARNING DISPLAY

A warning label is displayed on the front cover of the inverter, as shown below. Follow these instructions when handling the inverter.

Example of 200V class, 3-phase, 1.5 kW inverter

Warning Display (Back of this manual)

Warning Display

〈English〉

〈French〉

〈Japanese〉

WARNING

– Risk of electric shock.

Read manual before installing. Wait 1 minute for capacitor discharge after disconnecting power supply. To conform to requirements, make sure to ground the supply neutral for 400V class.

•

危険

−

けが・感電のおそれがあります。

据え付け、運転の前には必ず取扱説明書をお読み下さい。 通電中及び電源遮断後１分以内はフロントカバーを 外さないで下さい。 ４００Ｖ級インバータの場合は、電源の中性点が接地されて いることを確認して下さい。（対応）

•

WARNING

– Risk of electric shock.

Read manual before installing. Wait 1 minute for capacitor discharge after disconnecting power supply. To conform to requirements, make sure to ground the supply neutral for 400V class.

•

AVERTISSEMENT

–

Risque de décharge

électrique. Lire le manuel avant I’installation. Attendre 1 minute après la coupure de I’alimentation, pour permettre la décharge des condensateurs. Pour répondre aux exigences , s’assurer que le neutre soit reli

é à la terre, pour la série

400V.

•



Japanese/French Warning Display

An English warning display is on the front panel of the inverter. If you need Japanese or French warning display, a sheet of labels is included. Place it over the English warning display.

NAMEPLATE

PLASTIC CASE

QUALIFICATION MARK

STATUS INDICATOR LAMP

WARNING DISPLAY

CONTENTS

NOTES FOR SAFE OPERATION••••••••••••••••••••••••••••••3

1. RECEIVING•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••15

 Checking the Name Plate ••••••••••••••••••••••••••••••••••••••••••••••15

2. IDENTIFYING THE PARTS••••••••••••••••••••••••••••••••••16

3. MOUNTING•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••17

 Choosing a Location to Mount the Inverter•••••••••••••••••••••••••17  Mounting Dimensions••••••••••••••••••••••••••••••••••••••••••••••••••••18  Mounting/Removing Components ••••••••••••••••••••••••••••••••••••19

4. WIRING••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••20

 Wiring Instructions••••••••••••••••••••••••••••••••••••••••••••••••••••••••20  Wire and Terminal Screw Sizes•••••••••••••••••••••••••••••••••••••••21  Wiring the Main Circuit ••••••••••••••••••••••••••••••••••••••••••••••••••24  Wiring the Control Circuit •••••••••••••••••••••••••••••••••••••••••••••••25  Wiring Inspection••••••••••••••••••••••••••••••••••••••••••••••••••••••••••26

5. OPERATING THE INVERTER ••••••••••••••••••••••••••••27

 Test Run ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••27  Operating the Digital Operator ••••••••••••••••••••••••••••••••••••••••29  LED Description•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••31  Simple Data Setting ••••••••••••••••••••••••••••••••••••••••••••••••••••••35

6. PROGRAMMING FEATURES•••••••••••••••••••••••••••••36

 Constant Set-up and Initialization ••••••••••••••••••••••••••••••••••••36  Selecting V/f pattern •••••••••••••••••••••••••••••••••••••••••••••••••••••37  Switching LOCAL/REMOTE Modes••••••••••••••••••••••••••••••••••40  Selecting Run/Stop Commands••••••••••••••••••••••••••••••••••••••••41  Selecting Frequency Reference•••••••••••••••••••••••••••••••••••••••42  Setting Operation Conditions ••••••••••••••••••••••••••••••••••••••••••43

Reverse run prohibit •••••••••••••••••••••••••••••••••••••••••••••••••••••43 Multi-step speed selection••••••••••••••••••••••••••••••••••••••••••••••43 Operating at low speed••••••••••••••••••••••••••••••••••••••••••••••••••44 Adjusting speed setting signal•••••••••••••••••••••••••••••••••••••••••45 Adjusting frequency upper and lower limits ••••••••••••••••••••••••47 Using two accel/decel times •••••••••••••••••••••••••••••••••••••••••••47

Automatic restart after momentary power loss ••••••••••••••••••••48 Soft-start characteristics ••••••••••••••••••••••••••••••••••••••••••••••••49 Torque detection ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••50 Frequency detection •••••••••••••••••••••••••••••••••••••••••••••••••••••52 Jump frequencies•••••••••••••••••••••••••••••••••••••••••••••••••••••••••53 Continuing operation by automatic fault reset •••••••••••••••••••••53 Operating coasting motor without trip •••••••••••••••••••••••••••••••54 Holding accel/decel temporarily•••••••••••••••••••••••••••••••••••••••55 Using frequency meter or ammeter ••••••••••••••••••••••••••••••••••56 Calibrating frequency meter or ammeter •••••••••••••••••••••••••••56 Reducing motor noise or leakage current ••••••••••••••••••••••••••57 Operator stop key selection ••••••••••••••••••••••••••••••••••••••••••••59

 Selecting Stopping Method•••••••••••••••••••••••••••••••••••••••••••••60

Selecting stopping method •••••••••••••••••••••••••••••••••••••••••••••60 Applying DC injection braking •••••••••••••••••••••••••••••••••••••••••61

 Building Interface Circuits with External Devices •••••••••••••••••62

Using input signals •••••••••••••••••••••••••••••••••••••••••••••••••••••••62 Using output signals •••••••••••••••••••••••••••••••••••••••••••••••••••••65

 Setting Frequency by Current Reference Input •••••••••••••••••••67  Preventing motor from stalling (Current limit)••••••••••••••••••••••69  Decreasing Motor Speed Fluctuation••••••••••••••••••••••••••••••••71

Slip compensation ••••••••••••••••••••••••••••••••••••••••••••••••••••••••71

 Motor Protection ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••72

Motor overload detection •••••••••••••••••••••••••••••••••••••••••••••••72

 Selecting Cooling Fan Operation ••••••••••••••••••••••••••••••••••••73 

Using MEMOBUS (MODBUS) Communications (Optional)

••••••••74 MEMOBUS (MODBUS) communications ••••••••••••••••••••••••••74 Communication specifications•••••••••••••••••••••••••••••••••••••••••74

 Using Constant Copy Function••••••••••••••••••••••••••••••••••••••••75

Constant Copy function •••••••••••••••••••••••••••••••••••••••••••••••••75 READ function•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••77 COPY function•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••78 VERIFY function ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••80 Inverter capacity display ••••••••••••••••••••••••••••••••••••••••••••••••81 Software No. display •••••••••••••••••••••••••••••••••••••••••••••••••••••82

7. MAINTENANCE AND INSPECTION ••••••••••••••••••84

 Periodical Inspection ••••••••••••••••••••••••••••••••••••••••••••••••••••84  Part Replacement ••••••••••••••••••••••••••••••••••••••••••••••••••••••••84

8. FAULT DIAGNOSIS •••••••••••••••••••••••••••••••••••••••••••••87

 Protective and Diagnostic Function ••••••••••••••••••••••••••••••••••87  Troubleshooting •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••95

9. SPECIFICATIONS •••••••••••••••••••••••••••••••••••••••••••••••••98

 Standard Specifications (200V Class)•••••••••••••••••••••••••••••••98  Standard Specifications (400V Class) •••••••••••••••••••••••••••••101  Standard Wiring •••••••••••••••••••••••••••••••••••••••••••••••••••••••••104  Sequence Input Connection with NPN/PNP Transistor •••••••106  Dimensions/Heat Loss•••••••••••••••••••••••••••••••••••••••••••••••••109  Recommended Peripheral Devices ••••••••••••••••••••••••••••••••111  Constants List••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••113

1. RECEIVING

After unpacking the VS mini, check the following :

▫ Verify that the part numbers match your purchase order or packing slip. ▫ Check the unit for physical damage that may have occurred during

shipping.

If any part of VS mini is missing or damaged, call for service immediately.

 Checking the Name Plate

C I M R — J 7 A Z 2 0 P 1

Inverter

VS mini J7 Series

MODEL

No. AType

Digital operator provided (with potentiometer)

0P1 0P2 0P4 0P7 1P5 2P2 3P0 4P0

Applicable maximum motor output

No.

No. B 2 4

Voltage Class Single-phase 200VAC Three-phase 200VAC Three-phase 400VAC

No.ZSpecifications

OYMC standards

2 0 P 1 0

SPEC

B 2 4

Single-phase 200VAC Three-phase 200VAC Three-phase 400VAC

No. Protective structure

Open chassis (IP20)

INVERTER MODEL

MASS

INPUT SPEC.

OUTPUT SPEC.

LOT NO.

SERIAL NO.

SOFTWARE NO.

0.1kW

0.25kW

0.55kW

1.1kW

1.5kW

2.2kW –

4.0kW

200V class

–

0.37kW

0.55kW

1.1kW

1.5kW

2.2kW

3.0kW

4.0kW

400V class

0P1 0P2 0P4 0P7 1P5 2P2 3P0 4P0

Applicable maximum motor output

No.

0.1kW

0.25kW

0.55kW

1.1kW

1.5kW

2.2kW –

4.0kW

200V class

–

0.37kW

0.55kW

1.1kW

1.5kW

2.2kW

3.0kW

4.0kW

400V class

Example of 3-phase, 200VAC, 0.1kW (0.13HP)

2. IDENTIFYING THE PARTS

CIMR-J7**21P5, 22P2, 24P0

B0P7, B1P5 40P2, 40P4, 40P7, 41P5 42P2, 43P0, 44P0

CIMR-J7

20P1, 20P2, 20P4, 20P7, B0P1, B0P2, B0P4

Opening the covers

Digital operator (with potentiometer) Used for setting or changing constants. Frequency can be set using potentiometer.

 Choosing a Location to Mount the Inverter

Be sure the inverter is protected from the following conditions :

▫ Extreme cold and heat. Use only within the ambient temperature range :

-10 to +50ºC (14 to 122ºF)

▫ Rain, moisture

▫ Oil sprays, splashes

▫ Salt spray

▫ Direct sunlight. (Avoid using outdoors)

▫ Corrosive gases (e.g. sulfurized gas) or liquids

▫ Dust or metallic particles in the air.

▫ Physical shock, vibration.

▫ Magnetic noise. (Example : welding machines, power devices, etc.)

▫ High humidity.

▫ Radioactive substances.

▫ Combustibles : thinner, solvents, etc.

3. MOUNTING

30mm (1.18 in.) OR MORE

100mm (3.94 in.)

OR MORE

100mm (3.94 in.)

OR MORE

 Mounting Dimensions

To mount the VS mini, dimensions as shown below are required.

 Mounting / Removing Components

• Removing front cover

Use a driver to loosen the screw on the front cover surface to direction 1 to remove it. Then press the right and left sides to direction 2 and lift the front cover to direction 3.

• Mounting front cover

Insert the tab of the upper part of the front cover into the groove of the inverter, and press the lower part of the front cover onto the plastic case until the cover snaps shut. Then, tighten the screws.

Removing and Mounting Digital Operator and Covers

• Removing option cover

After removing front cover, remove the option cover to direction 2 with section A as a supporting point.

• Mounting option cover

Mount the terminal cover in the descending order of the above procedure for removal.

• Removing upper/bottom covers

After removing front cover, lift the covers to direction 1.

• Mounting upper/bottom covers

Mount the front cover in the descending order of the above procedure for removal.

4. WIRING

 Wiring Instructions

(1) Always connect the power input terminals R/L1, S/L2, and T/L3 (R/L1,

S/L2 for single-phase) and power supply via a molded-case circuit braker (MCCB) or a fuse. Never connect them to terminals U/T1,V/T2,W/T3, –, +1 or +2.

Refer to page 111 for recommended peripheral devices. For singlephase inverters, always use terminals R/L1 and S/L2. Never connect to terminal T/L3.

Inverter Power Supply Connection Terminals

(2) Connect the motor wiring to terminals U/T1, V/T2 and W/T3 on the

main circuit output side (bottom of the inverter).

(3) If the wiring distance between inverter and motor is long, reduce the

inverter carrier frequency. For details, refer to “Reducing motor noise or leakage current (n46)” on page 57.

(4) Control wiring must be less than 50m (164ft) in length and separate from

the power wiring. Use twisted-pair shielded wire when inputting the

frequency signal externally. (5) Tighten the screws on the main circuit and control circuit terminals. (6) Do not connect or disconnect wiring, or perform signal check while the

power supply is turned ON. (7) For 400V class inverters, make sure to ground the supply neutral to con-

form to CE requirements. (8) 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. (9) A closed-loop connector should be used when wiring to the main circuit

terminal. (10) Voltage drop should be considered when determining wire size.

Voltage drop can be calculated using the following equation:

Phase-to phase voltage drop (V) = √3 × wire resistance (Ω/km) × wiring distance (m) × current (A) × 10

-3

Select a wire size so that voltage drop will be less than 2% of the normal

rated voltage.

200V 3-phase Input Power Supply Specification Product CIMR-J7??2???

Connect to R/L1, S/L2, T/L3

Connect to R/L1, S/L2

200V Single Input Power Supply Specification Product CIMR-J7??B???

Connect to R/L1, S/L2, T/L3

400V 3-phase Input Power Supply Specification Product CIMR-J7??4???

 Wire and Terminal Screw Sizes

Applicable size

Recommended size

Model

Terminal

Symbol

Screw

2. Main Circuit

R/L1,S/L2,T/L3, –,+1,+2, U/T1,V/T2,W/T3

0.8 to 1.0

(7.1 to 8.88)

0.8 to 1.0

(7.1 to 8.88)

0.8 to 1.0

(7.1 to 8.88)

0.8 to 1.0

(7.1 to 8.88)

1.2 to 1.5

(10.7 to 13.3)

0.75 to 2

2 to 5.5

18 to 14

14 to 10

600V vinyl-

sheathed

wire or

equivalent

200V Class 3-phase Input Series

Note : The wire size is set for copper wires at 75°C (160°F).

Tightening

Torque

•

m (Ib

•

)

Wire

AWG

Type

5.5

CIMRJ7AZ 20P1

R/L1,S/L2,T/L3, –,+1,+2, U/T1,V/T2,W/T3

CIMRJ7AZ 20P2

R/L1,S/L2,T/L3, –,+1,+2, U/T1,V/T2,W/T3

CIMRJ7AZ 20P4

R/L1,S/L2,T/L3, –,+1,+2, U/T1,V/T2,W/T3

CIMRJ7AZ 20P7

R/L1,S/L2,T/L3, –,+1,+2, U/T1,V/T2,W/T3

CIMRJ7AZ 24P0

M3.5

0.8 to 1.0

(7.1 to 8.88)

2 to 5.5 14 to 10

3.5

R/L1,S/L2,T/L3, –,+1,+2, U/T1,V/T2,W/T3

CIMRJ7AZ 22P2

M3.5

0.8 to 1.0

(7.1 to 8.88)

2 to 5.5 14 to 10

R/L1,S/L2,T/L3, –,+1,+2, U/T1,V/T2,W/T3

CIMRJ7AZ 21P5

M3.5

Model

Common to all models

Terminal Symbol

MA, MB, MC

S1 to S5,SC,FS,

FR,FC,AM,AC

Screw

twisted wire single

Wire

Recommended size

Applicable size

AWGAWG

0.5 to 1.25

twisted wire single

0.5 to 0.75

0.5 to 1.25

20 to 16 20 to 16

20 to 18 20 to 16

Shielded

wire or

equivalent

1. Control Circuit

Tighte Torque

N • m (Ib • in)

Type

0.5 to 0.6

(4.44 to 5.33)

0.22 to 0.25

(1.94 to 2.21)

0.75

Applicable size

Recommended size

Model

Terminal

Symbol

Screw

R/L1,S/L2,T/L3, –,+1,+2, U/T1,V/T2,W/T3

0.8 to 1.0

(7.1 to 8.88)

0.8 to 1.0

(7.1 to 8.88)

0.8 to 1.0

(7.1 to 8.88)

0.8 to 1.0

(7.1 to 8.88)

0.75 to 2

2 to 5.5

18 to 14

14 to 10

600V vinyl-

sheathed

wire or

equivalent

200V Class Single-phase Input Series

Tightening

Torque

•

m (lb

•

)

Wire

AWG

Type

CIMRJ7AZ B0P1

R/L1,S/L2,T/L3, –,+1,+2, U/T1,V/T2,W/T3

CIMRJ7AZ B0P2

R/L1,S/L2,T/L3, –,+1,+2, U/T1,V/T2,W/T3

CIMRJ7AZ B0P4

R/L1,S/L2,T/L3, –,+1,+2, U/T1,V/T2,W/T3

CIMRJ7AZ B0P7

M3.5

0.8 to 1.0

(7.1 to 8.88)

2 to 5.5 14 to 10

5.5

R/L1,S/L2,T/L3, –,+1,+2, U/T1,V/T2,W/T3

CIMRJ7AZ B1P5

M3.5

3.5

Notes : 1. The wire size is set for copper wires at 75°C (160°F).

2. Three-phase input is also available for single-phase input series.

Applicable size

Recommended size

Model

Terminal

Symbol

Screw

R/L1,S/L2,T/L3, –,+1,+2, U/T1,V/T2,W/T3

0.8 to 1.0

(7.1 to 8.88)

0.8 to 1.0

(7.1 to 8.88)

0.8 to 1.0

(7.1 to 8.88)

0.8 to 1.0

(7.1 to 8.88)

1.2 to 1.5

(10.65 to 13.31)

2 to 5.5

14 to 10

600V vinyl-

sheathed

wire or

equivalent

400V Class 3-phase Input Series

Note : The wire size is set for copper wires at 75°C (160°F).

Tightening

Torque

•

m (Ib

•

)

Wire

AWG

Type

3.51412

CIMRJ7AZ 40P2

R/L1,S/L2,T/L3, –,+1,+2, U/T1,V/T2,W/T3

CIMRJ7AZ 40P4

R/L1,S/L2,T/L3, –,+1,+2, U/T1,V/T2,W/T3

CIMRJ7AZ 40P7

R/L1,S/L2,T/L3, –,+1,+2, U/T1,V/T2,W/T3

CIMRJ7AZ 41P5

R/L1,S/L2,T/L3, –,+1,+2, U/T1,V/T2,W/T3

CIMRJ7AZ 44P0

M3.5

1.2 to 1.5

(10.65 to 13.31)

2 to 5.5 14 to 10

3.5

R/L1,S/L2,T/L3, –,+1,+2, U/T1,V/T2,W/T3

CIMRJ7AZ 43P0

1.2 to 1.5

(10.65 to 13.31)

2 to 5.5 14 to 10

214

R/L1,S/L2,T/L3, –,+1,+2, U/T1,V/T2,W/T3

CIMRJ7AZ 42P2

L1L2L

 Wiring the Main Circuit

[Example of 3-phase,

200V class, 1.5kW

inverters]

GOOD GOOD POOR

• Main circuit input power supply

Always connect the power supply

line to

input terminals R/L1, S/L2,

and T/L3

[

R/L1, S/L2

for single-phase inverters]. Never connect them to terminal U/T1,V/T2,W/T3, –, +1, or +2.

Otherwise the inverter may be damaged.

For single-phase inverters, always use terminals R/L1 and S/L2. Never connect to terminal T/L3.

•

Grounding (Use ground terminal .)

Make sure to ground the ground terminal according to the local grounding code. Never ground the VS mini in common with welding machines, motors, or other electrical equipment.

When several VS mini units are used side by side, ground each unit as shown in examples. Do not loop the ground wires.

NOTE

• Inverter output

Connect the motor terminals to U/T1, V/T2, W/T3.

Wiring the main circuit terminals

Pass the cables through wiring hole and connect. Be sure to mount the cover in its original position.

Connect with a Phillips (plus) screwdriver.

 Wiring the Control Circuit

Screwdriver blade width

Insert the wire into the lower part of the terminal block and connect it tightly with a screwdriver.

Wire sheath strip length must be 5.5mm (0.22in.).

* SW7 can be changed according to sequence input signal (S1 to

S5) polarity. 0V common: NPN side (factory setting) +24 common: PNP side Refer to page 106 for SW7. Refer to page 67 for SW8.

• Control circuit terminals

Wiring the control circuit terminals

Pass the cable through wiring hole and connect. Be sure to mount the covers on its original position.

SW7

SW8

S1 S2 S3 S4 S5 SC

NPN

FS FR FC AM AC

MA MB

PNP

Only basic insulation is provided for the control circuit terminals. Additional insulation may be necessary in the end product.

5.5 mm (0.22 in.)

0.4 mm max (0.016 in.)

2.5 mm max (0.098 in.)

 Wiring Inspection

After completing wiring, check the following :

▫ Wiring is proper.

▫ Wire clippings or screws are not left in the unit.

▫ Screws are securely tightened.

▫ Bare wire in the terminal does not contact other terminals.

If the FWD (REV) run command is given during the operation reference selection (n02=1) from the control circuit terminal, the motor will start automatically after the main circuit input power supply is turned ON.

NOTE

Open the front cover and verify that the strip length is 5.5mm. (0.22in.)

5. OPERATING THE INVERTER

 Test Run

The inverter operates by setting the frequency (speed). There are three types of operation modes for the VS mini :

1 Run command from the digital operator (potentiometer/digital setting). 2 Run command from the control circuit terminal. 3 Run command from communications (MEMOBUS communications)

Prior to shipping, the drive is set up to receive run command and frequency reference from the operator. Below are instructions for running the VS mini using the digital operator (with potentiometer). For instructions on operation, refer to page 35.

Operation reference or frequency reference constants can be selected separately as shown below.

Name

Run

Command

Selection

Frequency

Reference

Selection

Constant

n02 = 0 --- Enables operator RUN, STOP/RESET = 1 --- Enables control circuit terminal run/stop = 2 --- Enables communications (MEMOBUS communications)

n03 = 0 --- Enables operator volume = 1 --- Enables frequency reference 1 (constant n21) = 2 --- Enables voltage reference (0 to 10V) of control circuit

terminal

= 3 --- Enables current reference (4 to 20mA) of control circuit

terminal

= 4 --- Enables current reference (0 to 20mA) of control circuit

terminal

= 6 --- Enables communications (MEMOBUS communications)

Operation Steps

Operator Display

12-LED Display

Status Indicator LED

RUN ALARM

Status indicator lamp

: ON

: Blinking : OFF

1. Turn the potentiometer fully to the left before turning the power ON.

2. F/R blinks.

Select FWD/REV run using keys.

Never select REV when reverse run is prohibited.

3. Press DSPL to blink FREF. Then press RUN.

Operates the motor by turning the potentiometer to the right. (Frequency reference corresponds to the potentiometer

0.0

(Forward) or

(Reverse)

0.0 to 60.0 Minimum output frequency is

1.5Hz

FREF

NOTE

0.0

RUN ALARM

F/R

FREF

NOTE

If the potentiometer is switched rapidly, the motor also accelerates or decelerate rapidly corresponding to the potentiometer movement. Pay attention to load status and switch the potentiometer with the speed not to affect motor movement.

Operation Check Points

▫ Motor rotates smoothly. ▫ Motor rotates in the correct direction. ▫ Motor does not have abnormal vibration or noise. ▫ Acceleration or deceleration is smooth. ▫ Current matching the load flows. ▫ Status indicator LEDs and digital operator display are correct.

 Operating the Digital Operator

All functions of the VS mini are set by the digital operator. Below are descriptions of the display and keypad sections.

DIGITAL OPERATOR

Press to switch between function LEDs.

Press to increase constant no./data value.

Press to decrease constant no./data value.

Function display LEDs (Color in parenthesis indicates the color of LED.

)

Press to stop the motor. (Press to reset at faults.)

Press to run the motor.

Frequency setting potentiometer Changes frequency setting according to potentiometer.

Data display section Status indicator

FREF

Frequency reference

setting/monitoring

(GREEN)

FOUT

Output frequency

monitor

(GREEN)

IOUT

Output current

monitor

(GREEN)

F/R

Operator RUN

command FWD/REV

selection (GREEN)

PRGM

Constant no./data

(RED)

MNTR

Multi-function

monitor

(GREEN)

LO/RE

LOCAL/REMOTE

Selection

(RED)

Function display LEDs LED switches to another function each time DSPL is pressed. The displayed data can be changed.

Press to enter the constant data. (Displays the constant data when selecting constant no. by PRGM LED.)

Description of Status Indicator LEDs

There are two LEDs on the middle right section of the face of the VS mini. The inverter status is indicated by various combinations of ON, BLINKING and OFF LEDs. RUN indicator and status indicator on the button have the same function.

For details on how the status indicator LEDs function at inverter faults, refer to Section 8 “FAULT DIAGNOSIS AND CORRECTIVE ACTIONS” on page 87. If a fault occurs, the ALARM LED lights.

The fault can be reset by turning ON the fault reset signal (or pressing

key on the digital operator) with the operation signal OFF or

by turning OFF the power supply. If the operation signal is ON, the

fault cannot be reset by the fault reset signal.

STOP

RESET

RUN

: ON

RUN ALARM

(Green)

(Red)

Operation Ready

(During Stop)

RUN ALARM

Ramp to Stop

RUN ALARM RUN ALARM

: BLINKING : OFF: BLINKING (Long Blinking)

Normal Operation

NOTE

 LED Description

By pressing on the digital operator, each of the function LEDs can be

selected.

The following flowchart describes each function LED.

DSPL

If the VS mini loses power while in one of these modes, it will return to this mode once power is restored.

Power ON

FREF

FOUT

IOUT

MNTR

F/R

DSPL

Frequency reference setting/monitor (Hz) Sets VS mini operation speed.

Output frequency monitor (Hz) Displays frequency that VS mini is currently outputting. Setting disabled.

Output current monitor (A) Displays current that VS mini is currently outputting. Setting disabled.

Multi-function monitor Description of the selected monitor is displayed. (Refer to pages 32 and 33 for details.)

FWD/REV run selection Sets the motor rotation direction when run command is given by the digital operator. Setting can be changed by or key. FO (forward run) EV (reverse run)

Monitor No. U01: Frequency reference (FREF) U02: Output frequency (FOUT) U03: Output current (IOUT) U04: Output voltage reference (Unit: 1V) U05: DC voltage (Unit: 1V) U06: Input terminal status U07: Output terminal status U09: Fault history U10: Software No. U15: Data reception error

LO/RE

PRGM

DSPL

LOCAL / REMOTE Selection

Constant No. / data Sets and changes data using constant No. (Refer to page 34.)

FREF

Return to

This function switches the operation; operation using the digital operator including frequency setting with potentiometer, or that using the input terminals or through communications Setting can be changed by or key.

(Local) (Remote)

Multi-Function monitor

Press key. When is ON, data can be displayed by selecting monitor No.

[Example] Monitoring Output Voltage Reference

DSPL MNTR

MNTR

U04

ENTER

MNTR

DSPL

ENTER

Select U04 by pressing or key.

Output voltage reference is displayed.

MNTR

• Selecting monitor

DSPL

IOUT

DSPL

F/R

200

Constant No.

Name Description

U01

U02

U03

U04

U05

U06

U07

U09

U10

Frequency reference

(FREF)

Output frequency

(FOUT)

Output current

(IOUT)

Output voltage

DC voltage

Input terminal status

Output terminal status

Fault history

Software No.

Frequency reference can be monitored. (Same as FREF)

Output frequency can be monitored. (Same as FOUT)

Output current can be monitored. (Same as IOUT)

Output voltage can be monitored.

Main circuit DC voltage can be monitored.

Input terminal status of control circuit terminals can be monitored.

Output terminal status of control circuit terminals can be monitored.

Last four fault history is displayed.

Software No. can be checked.

---

U15 Data reception error

Contents of MEMOBUS communication data reception error can be checked. (contents of transmission register No. 003DH are the same)

---

• Monitoring

Following items can be monitored by U- constants.

1: Terminal S1 is “closed.”

Input terminal status

1: Terminal S2 is “closed.” 1: Terminal S3 is “closed.” 1: Terminal S4 is “closed.” 1: Terminal S5 is “closed.”

1: Terminal MA-MC is “closed.”

Output terminal status

Not used

Input/Output terminal status

Setting and referring constants

Following shows how to select and change constants.

LO/RE

PRGM

DSPL

PRGM

ENTER

PRGM PRGM

ENTER

PRGM

FREF

REMOTE/LOCAL selection

Constant No./ data

n02 Run command selection

After 1 sec

Initial setting:0 operator reference

Set to 1 Control circuit terminal reference (blinking at changing)

• Setting n02 (Run command selection)

Data setReturn to constant No. display

600

N01

N02 0

N02

Clearing fault history

Set constant n01 to 6 to clear fault history. Set data returns to its initial value after completion of 6 setting. Note: Constant initialize (n01=12, 13) clears the fault history.

Fault history display method

Fault description is displayed when U09 is selected.

(Example)

??? : Fault description

"---" is displayed if there is no fault. (Refer to page 87 for details.)

NOTE

 Simple Data Setting

Potentiometer setting (Refer to 5. OPERATING THE INVERTER) and digital setting are both available for simple accel/decel operation of the VS mini.

Frequency reference by potentiometer signal is set with initial setting (n03=0).

Factory setting of the model with operator (without potentiometer) is set by digital operator (n03=1).

Following is an example in which the function LEDs are used to set frequency reference, acceleration time, deceleration time, and motor direction.

Operation Steps

1. Turn ON the power supply.

7. Press to stop.

STOP

Operator Display

LED Display

Status Indicator LED

2. Set constant n03 to 1.

3. Set the following constants.

4. Select forward or reverse run by pressing q or w key.

Set the reference by pressing q or w

key.

6. Press .

15.0

5.0

0.0

60.0

0.0 to 60.0

FREF

PRGM

FOUT

PRGM

n16 : 15.0 (acceleration time) n17 : 5.0 (deceleration time)

Examine the application. (Never select REV when reverse run is prohibited.)

RUN

FOUT

FREF

F/R

60.0 to 0.0

(Forward)

(Reverse)

Status indicator lamp : BLINKING (Long Blinking) : BLINKING : OFF

RUN ALARM

6. PROGRAMMING FEATURES

Factory settings of the constants are shown as in the tables.

 Constant Set-up and Initialization

The following table describes the data which can be set or read when n01 is set.

Unused constants among n01 to n79 are not displayed.

“EMM” appears on the LED display for one second and the set data returns to its initial values in the following cases :

(1) The set values of input terminal function selection 2 to 5 (n36 to n39) are the same. (2) If the following conditions are not satisfied in the V/f pattern setting :

Max. output frequency (n09)  Max. voltage output frequency (n11)

> Mid. output frequency (n12)  Min. output frequency (n14)

For details, refer to “Adjusting torque according to application” (V/f pattern setting) on page 37.

(3) If the following conditions are not satisfied in the Jump frequency setting :

Jump frequency 2 (n50)  Jump frequency 1 (n49) (4) If Frequency reference lower limit (n31)  Frequency reference upper limit (n30) (5) If motor rated current (n32)  120% of inverter rated current

Constant selection/initialization (n01)

n01 Setting

0 n01

* Excluding setting disabled constants.

†

NOTE

Constant that can be set Constant that can be referred

n01 to n79*

Fault history cleared

Not used

Initialize

Initialize (3-wire sequence)

n01 to n79

†

Refer to page 63.

 Selecting V/f pattern

Adjust motor torque by using “V/f pattern” and “full-range automatic torque boost”.

• V/f pattern setting

Set V/f pattern by n09 to n15 as described below. Set each pattern when using a special motor (high-speed motor, etc.) or when requiring special torque adjustment of machine.

Be sure to satisfy the following conditions for the setting of n09 to n15. n14  n12 < n11  n09 If n14 = n12 is set, the set value of n13 is disabled.

Adjusting torque according to application

V: (VOLTAGE)

n10

n13

n15

n14 n12 n11 n09

Constants

No.

n09

n10

n11

n12

n13

n14

n15

* For 400-volt class inverters

Name Unit Setting range

Max. output frequency

Max. voltage Max. voltage output

frequency (base frequency)

Mid. output frequency

Mid. output frequency voltage

Min. output frequency

Min. output frequency voltage

(FREQUENCY)

0.1Hz

Initial

50.0 to 400.0Hz 50.0Hz

1 to 255V

(1 to 510V)

0.2 to 400.0Hz

(1 to 510V)*

0.1 to 10.0Hz

(1 to 100V)*

1 to 399Hz

1 to 255V

1 to 50V

Setting

200V

(400V)

50.0Hz

1.3Hz 12V

(24V)

1.3Hz 12V

(24V)

• Typical setting of V/f pattern

Set the V/f pattern according to the application as described below. For 400V class, the voltage values (n10, n13, and n15) should be doubled. When running at a frequency exceeding 50Hz/60Hz, change the maximum output frequency (n09).

Note: Be sure to set the maximum output frequency according to the motor characteristics.

(1) For general-purpose applications

(2) For fans/pumps

(3) For applications requiring high starting torque

Increasing voltage of V/f pattern increases motor torque, but an excessive increase may cause motor overexcitation, motor overheat or vibration.

Note : n12 is to be set to motor rated voltage.

Constant

n09 n10 n11 n12 n13 n14 n15

Setting

60.0 200

60.0

1.5 12

Constant Setting

50.0 200

50.0

1.3 12

n09 n10 n11 n12 n13 n14 n15

Constant Setting

60.0 200

60.0

30.0 50

1.5 10

n09 n10 n11 n12 n13 n14 n15

Constant Setting

50.0 200

50.0

1.3 10

n09 n10 n11 n12 n13 n14 n15

Constant Setting

60.0 200

60.0

3.0 24

1.5 18

n09 n10 n11 n12 n13 n14 n15

Constant Setting

50.0 200

50.0

2.5 24

1.3 18

n09 n10 n11 n12 n13 n14 n15

Motor Specification : 60Hz

Motor Specification : 60Hz Motor Specification : 50Hz

Motor Specification : 50Hz (Factory setting)

200

1.5 60 f

200

1.3 50 f

200

1.5 30 60 f

200

1.3 25 50 f

200

24 18

1.5 3 60 f

200

24 18

1.3 2.5 50 f

• Full-range automatic torque boost

Motor torque requirement changes according to load conditions. Fullrange automatic torque boost adjusts voltage of V/f pattern according to the requirement. The VS mini automatically adjusts the voltage during constant-speed operation as well as during acceleration. The required torque is calculated by the inverter. This ensures tripless operation and energy-saving effects.

Operation

Normally, no adjustment is necessary for torque compensation gain (n63 factory setting : 1.0). When the wiring distance between the inverter and the motor is long, or when the motor generates vibration, change the automatic torque compensation gain. In these cases, set the V/f pattern (n09 to n15).

Output voltage Torque compensation gain (n63)

Required torque





n11 =60Hz

n10 =200V

n09 =90Hz

BASE POINT

CONSTANT TORQUE

CONSTANT OUTPUT OR

VARIABLE OUTPUT

When operating with frequency larger than 60Hz/50Hz, change only max. output frequency (n09).

f (FREQUENCY)

Required torque Increase voltage

(VOLTAGE)

 Switching LOCAL/REMOTE Modes

The following functions can be selected by switching the LOCAL or REMOTE mode. To select RUN/STOP commands or frequency reference, change the mode in advance depending on the following applications.

• LOCAL mode : Enables the digital operator for RUN/STOP commands and FWD/REV run commands. Frequency reference can be set by volume or .

•

REMOTE mode

: Run by the n02 setting (run command selection).

Frequency reference can be set by n03 (frequency reference selection) setting.

FREF

 How to select LOCAL/REMOTE modes

When LOCAL/REMOTE switching function is not set for multi-function input selection

When LOCAL/REMOTE switching function is set at multi-function input selection

Select Lo for operator

selection.

Select rE for operator

selection.

Set multi-function input terminal is turned ON.

Set multi-function input terminal is turned OFF.

LOCAL mode REMOTE mode

LO/RE LO/RE

(When 17 is set to any of constants n36 to n39)

(When 17 is not set to any of constants n36 to n39)

 Selecting Run/Stop Commands

Refer to  Switching LOCAL / REMOTE Modes (page 40) to select either the LOCAL mode or REMOTE mode. Operation method (RUN / STOP commands, FWD / REV run commands) can be selected by the following method.

 LOCAL mode

When Lo (local mode) is selected for digital operator ON mode, or when LOCAL / REMOTE switching function is set and the input terminals are turned ON, run operation is enabled by the or of the digital operator, and FWD/REV run is enabled by ON mode (using or key).

is not effective when local / remote switching function is

selected for multi-function input selection.

 REMOTE mode

• Select remote mode. There are following two methods to select remote mode.

1. Select rE (remote mode) for selection.

2. When the local / remote switching function is selected for multi-

function input selection, turn OFF the input terminal to select remote mode.

• Select operation method by setting the constant n02.

n02=0: Enables the digital operator (same with local mode)

=1: Enables the multi-function input terminal (see fig. below) =2: Enables communications (refer to page 74) (When option card

is installed)

• Example for using the multi-function input terminal as operation

reference (two-wire sequence)

For example of three-wire sequence, refer to page 63.

 Operating (RUN / STOP commands) by communications

(When option card is installed)

Setting constant n02 to 2 in REMOTE mode can give RUN/STOP commands by communication (MEMOBUS communications). For details, refer to page 74.

S1 S2 SC

FWD RUN/STOP REV RUN/STOP

n02 : 1 (Initial setting : 0) n36 : 2

LO / RE

F / R

RUN

STP

 Selecting Frequency Reference

Frequency reference can be selected by the following methods.

 Setting by operator

Select REMOTE or LOCAL mode in advance. For the method for selecting the mode, refer to page 40.

LOCAL mode

Select command method by constant n07. n07=0 :

Enables the setting by potentiometer on digital operator (initial setting). Factory setting of the model with digital operator (without potentiometer) is n07=1.

=1 : Enables the digital setting by digital operator, setting value is

stored in constant n21 (frequency reference 1).

• Digital setting by digital operator

Input frequency while FREF is lit (press ENTER after setting the numeric value). Frequency reference setting is effective when 1 is set to constant n08 instead of pressing ENTER key. n08=0 :

Enables frequency reference setting by ENTER key (initial setting).

=1 : Disable frequency reference setting by ENTER key.

REMOTE mode

Select command method by constant n03. n03=0 :

Enables frequency reference setting by potentiometer on digital operator (initial setting). Initial setting of the model with digital operator (without potentiometer) is n03=1.

=1 : Frequency reference 1 effective. (constant n21) =2 : Voltage reference (0 to 10V) (See the figure below) =3 : Current reference (4 to 20mA) (Refer to page 67) =4 : Current reference (0 to 20mA) (Refer to page 67) =6 : communication (Refer to page 74)

Example of frequency reference by voltage signal

FREQUENCY

SETTING POWER +12V, 20mA

FC(0V)

2KΩ

MASTER SPEED FREQUENCY REFERENECE

(0 TO +10V)

n03 = 2 (Factory setting : 0)

 Setting Operation Conditions

“Reverse run disabled” setting does not accept a reverse run command from the control circuit terminal or digital operator. This setting is used for applications where a reverse run command can cause problems.

By combining frequency reference and input terminal function selections, up to 9 steps of speed can be set.

8-step speed change

n02=1 (operation mode selection )

n36=2 (Multi-function contact input terminal 2)

n03=1 (

Frequency reference

selection )

n37=6 (Multi-function contact input terminal 3)

n21=25.0Hz (

Frequency reference 1)n38=7 (Multi-function contact input terminal 4)

n22=30.0Hz (

Frequency reference 2)

n39=8 (Multi-function contact input terminal 5)

n23=35.0Hz (

Frequency reference 3

)

n24=40.0Hz (

Frequency reference 4

)

n25=45.0Hz (

Frequency reference 5

)

n26=50.0Hz (

Frequency reference 6

)

n27=55.0Hz (

Frequency reference 7

)

n28=60.0Hz (

Frequency reference 8

)

Reverse run prohibit (n05)

Multi-step speed selection

When all multi-function reference inputs are OFF, frequency reference selected by constant n03 (frequency reference selection) becomes effective.

NOTE

FWD RUN/STOP

REV RUN/STOP

MULTI-STEP SPEED REF 1

MULTI-STEP SPEED REF 2

MULTI-STEP SPEED REF 3

n36=2 (Input terminal S2) Initial Setting n37=6 (Input terminal S3) Change the setting to 6. n38=7 (Input terminal S4) Change the setting to 7. n39=8 (Input terminal S5) Change the setting to 8.

Setting

Description

Reverse run enabled.

Reverse run disabled.

By inputting a jog command and then a forward (reverse) run command, operation is enabled at the jog frequency set in n29. When multi-step speed references 1, 2, 3 or 4 are input simultaneously with the jog command, the jog command has priority.

ONON ON ON

ONON

TIME

(n28) 60.0 Hz

(n27) 55.0 Hz

(n26) 50.0 Hz

(n25) 45.0 Hz

(n24) 40.0 Hz

(n23) 35.0 Hz

(n22) 30.0 Hz

(n21) 25.0 Hz

FREQUENCY REFERENCE

FWD (REV) RUN/STOP

MULTI-STEP SPEED REF. 1 (TERMINAL S3)

MULTI-STEP SPEED REF. 2 (TERMINAL S4)

MULTI-STEP SPEED REF. 3 (TERMINAL S5)

Operating at low speed

Name

Jog frequency

Jog command

Constant No.

n29

n36 to n39

Factory setting : 6.0Hz

Set to “10” for any constant.

Setting

To provide frequency reference by analog input of control circuit terminal FR or FC, the relationship between analog input and frequency reference can be set.

FREQURNCY REFERNCE

0V (4mA) (0mA)

10V (20mA) (20mA)

MAX. OUTPUT FREQUENCY

GAIN

100



MAX. OUTPUT FREQUENCY

BIAS

100



( ) indicates the value when current

reference input is selected.

Typical Setting

• Frequency reference gain (n41)

The analog input voltage value for the max (10V). output frequency (n09) can be set in units of 1% (max. output frequency n09=100%)

Factory setting : 100%

• Frequency reference bias (n42)

The frequency reference provided when analog input is 0V (4mA or 0mA) can be set in units of 1%. (max. output frequency n09=100%)

Factory setting : 0%

• To operate the inverter with frequency reference of 0% to 100% at 0 to 5V input

MAX. FREQUENCY (100%)

0V 5V 10V

Gain n41 = 200 Bias n42 = 0

Adjusting speed setting signal

• To operate the inverter with frequency reference of 50% to 100% at 0 to 10V input

MAX. FREQUENCY (100%)

50%

0V 10V

Gain n41 = 100 Bias n42 = 50

Adjusting frequency upper and lower limits

• Frequency reference upper limit (n30)

Sets the upper limit of the frequency reference in units of 1%. (n09: Max. output frequency = 100%) Factory setting: 100%

• Frequency reference lower limit (n31)

Sets the lower limit of the frequency reference in units of 1%. (n09: Max. output frequency = 100%) When operating at frequency reference 0, operation is continued at the frequency reference lower limit. However, when frequency reference lower limit is set to less than the min. output frequency (n14), operation is not performed. Factory setting: 0%

Using two accel/decel times

* When “deceleration to a stop” is selected (n04 = 0).

By setting input terminal function selection (either of n36 to n39) to “11 (accel/decel time select)”, accel/decel time is selected by turning ON/OFF the accel/decel time select (terminal S2 to S5). At OFF : n16 (accel time 1)

n17 (decel time 1)

At ON : n18 (accel time 2)

n19 (decel time 2)

INTERNAL FREQUENCY REFERENCE

FREQUENCY UPPER LIMIT (n30)

SET FREQUENCY REFERENCE

FREQUENCY LOWER LIMIT (n31)

FORWARD (REVERSE) RUN COMMAND

MULTI-STEP SPEED REFERENCE

ACCEL/DECEL TIME SELECTION (TERMINAL S2 TO S5)

OUTPUT FREQUENCY

ACCEL TIME 1 (n16)

DECEL TIME 1 (n17)

ACCEL TIME 2 (n18)

DECEL TIME 2* (n19)

DECEL TIME 1* (n17)

TIME

• Accel time Set the time needed for output frequency to reach 100% from 0%.

• Decel time Set the time needed for output frequency to reach 0% from 100%. (Maximum output frequency n09=100%)

When momentary power loss occurs, operation restarts automatically.

* Hold the operation command to continue the operation after recovery from a momentary

power loss.

† When 2 is selected, operation restarts if power supply voltage reaches its normal level while

control power supply is held. No fault signal is output.

Automatic restart after momentary power loss (n47)

Description

Setting

Continuous operation after momentary power loss

not provided.

not provided. Continuous operation after power recovery within

Continuous operation after power recovery within

momentary power loss ridethru time Continuous operation after power recovery (Fault

Continuous operation after power recovery (Fault

2*†

output not provided)

Description

To prevent shock at machine start/stop, accel/decel can be performed in Scurve pattern.

Note : S-curve characteristic time is the time from accel/decel rate 0 to a regular accel/decel rate

determined by the set accel/decel time.

Soft-start characteristics (n20)

The following time chart shows FWD/REV run switching at deceleration to a stop.

DC INJECTION BRAKING TIME AT STOP n53

MIN. OUTPUT FREQUENCY

MIN. OUTPUT FREQUENCY n14

DECELERATION

ACCELERATION

FORWARD RUN COMMAND

REVERSE RUN COMMAND

OUTPUT FREQUENCY

ACCELERATION

n14

S-curve characteristics in

FREQUENCY REFERENCE

OUTPUT FREQUENCY

S-CURVE CHARACTERISTIC TIME (Tsc)

OUTPUT FREQUENCY

TIME

Setting

S-curve characteristic time

S-curve characteristic not provided

0.2 second

0.5 second

1.0 second

If an excessive load is applied to the machine, output current increase can be detected to output alarm signals to multi-function output terminals MA and MB.

To output an overtorque detection signal, set output terminal function selection n40 to “overtorque detection” [Setting:6 (NO contact) or 7 (NC contact)].

Torque detection

Overtorque detection release width (hysterisis) is set at approx. 5% of inverter

rated current.

MOTOR CURRENT

n60

MULTI-FUNCTION OUTPUT SIGNAL (OVERTORQUE DETECTION SIGNAL) TERMINAL MA, MB

* *

TIME

ONON

n61n61

• Overtorque detection function selection (n59)

(1) To detect overtorque at accel/decel, set to 3 or 4.

(2) To continue the operation after overtorque detection, set to 1 or 3.

During detection, the operator displays “OL3” alarm (blinking).

(3) To halt the inverter by a fault at overtorque detection, set to 2 or 4. At

detection, the operator displays “OL3” fault (ON).

• Overtorque detection level (n60)

Sets the overtorque detection current level in units of 1%. (Inverter rated current = 100%)

Factory setting: 160%

• Overtorque detection time (n61)

If the time when motor current exceeds the overtorque detection level (n60) is longer than overtorque detection time (n61), the overtorque detection function operates. Factory setting : 0.1sec.

Overtorque detection not provided

Detected during constant-speed running, and operation continues after detection.

Setting

Description

Detected during constant-speed running, and operation stops during detection.

Detected during running, and operation continues after detection.

Detected during running, and operation stops during detection.

Effective when either of output terminal function selection n40 is set to “frequency detection” (setting: 4 or 5). “Frequency detection” turns ON when output frequency is higher or lower than the frequency detection level (n58).

•

Frequency detection 1

(Output frequency  Frequency detection level n58) (Set n40 to “4.”)

•

Frequency detection 2

(Output frequency  Frequency detection level n58) (Set n40 to “5.”)

Frequency detection (n58)

FREQUENCY DETECTION LEVEL [Hz] (n58)

OUTPUT FREQUENCY

FREQUENCY DETECTION SIGNAL

RELEASE WIDTH –2Hz

RELEASE

OUTPUT FREQUENCY

FREQUENCY DETECTION SIGNAL

WIDTH +2Hz

FREQUENCY DETECTION LEVEL (Hz) (n58)

ONON

This function allows the prohibition or “jumping” of critical frequencies so that the motor can operate without resonance caused by machine systems. This function is also used for dead band control. Setting the value to 0.0Hz disables this function. Set prohibited frequency 1 or 2 as follows :

Operation is prohibited within jump frequency range. However, motor operates without jumping during accel/decel.

Sets the inverter to restart and reset fault detection after a fault occurs. The number of self-diagnosis and retry attempts can be set at n48 up to 10. The inverter automatically restarts after the following faults occur :

OC (overcurrent)

GF (ground fault)

OV (overvoltage)

The number of retry attempts are cleared to 0 in the following cases :

(1) If no other fault occurs within 10 minutes after retry

(2) When the fault reset signal is ON after the fault is detected

(3) Power supply is turned OFF

Jump frequencies (n49 to n51)

OUTPUT FREQUENCY

FREQUENCY REFERENCE

n51

n49

n50

n51

Continuing operation by automatic fault reset (n48)

n49  n50

If this condition is not satisfied the inverter displays

EMM

for one second and restores the data to original settings.

To operate coasting motor without trip, use the speed search command or DC injection braking at start.

• Speed search command

Restarts a coasting motor without stopping it. This function enables smooth switching between motor commercial power supply operation and inverter operation.

Set input terminal function selection (n36 to n39) to “14” (search command from maximum output frequency) or “15” (search command from set frequency).

Build a sequence so that FWD (REV) run command is input at the same time as the search command or after the search command. If the run command is input before the search command, the search command becomes disabled.

• Time chart at search command input

• DC injection braking at start (n52, n54)

Restarts a coasting motor after stopping it. Set the DC injection braking time at start in n54 in units of 0.1 second. Set DC injection braking current in n52 in units of 1% (inverter rated current =100%). When the setting of n54 is “0”, DC injection braking is not performed and acceleration starts from the minimum output frequency. When n52 is set to 0, acceleration starts from the minimum output frequency after the baseblocking for n54 setting time.

Operating coasting motor without trip

FWD (REV) RUN COMMAND

SEARCH COMMAND

MAX. OUTPUT FREQUENCY OR FREQUENCY REFERENCE AT RUN COMMAND INPUT

OUTPUT FREQUENCY

MIN. BASEBLOCK TIME (0.5s)

SPEED SEARCH OPERATION

AGREED SPEED DETECTION

MIN. OUTPUT FREQUENCY n14

n54 DC INJECTION BRAKING TIME AT START

To hold acceleration or deceleration, input accel/decel hold command. The output frequency is maintained when the accel/decel hold command is input during acceleration or deceleration.

When the stop command is input during accel/decel prohibition command input, accel/decel hold is released and operation ramps to stop.

Set multi-function input terminal selection (n36 to n39) to 16 (accel/decel hold command).

Time chart at accel/decel hold command input

Note : When the FWD (REV) run command is input along with the accel/decel hold command,

the motor does not operate. However, when frequency reference lower limit (n31) is set greater than or equal to min. output frequency (n14), the motor operates at frequency reference lower limit (n31).

Holding accel/decel temporarily

FWD (REV)

RUN COMMAND ACCEL/DECEL HOLD COMMAND

FREQUENCY REFERENCE

OUTPUT FREQUENCY

FREQUENCY AGREED SIGNAL

ONONON

Selects to output either output frequency or output current to analog output terminals AM-AC for monitoring.

In initial setting, analog voltage of approx. 10V is output when output frequency (output current) is 100%.

Used to adjust analog output gain.

Set the analog output voltage at 100% of output frequency (output current). Frequency meter displays 0 to 60Hz at 0 to 3V.

Using frequency meter or ammeter (n44)

SettingSetting

Description

Output frequency

Output current

Calibrating frequency meter or ammeter (n45)

0 TO 10VDC

FREQUENCY METER



OUTPUT FREQUENCY (OUTPUT CURRENT)

Analog monitor gain can be set by n45

100%

0 10V

ANALOG OUTPUT

OUTPUT FREQUENCY (OUTPUT CURRENT)

100%

n45=0.30

FACTORY SETTING n45=1.00

ANALOG OUTPUT

3V 10V

FREQUENCY METER/AMMETER (3V 1mA FULL-SCALE)



n45

n45 Setting

10V  = 3V

0.30

Output frequency becomes 100% at this value.

Set inverter output transistor switching frequency (carrier frequency).

Reducing motor noise or leakage current (n46)

Setting values 7, 8, or 9 multiplies output frequency according to output frequency value.

fc=CARRIER FREQUENCY

2.5kHz

1.0kHz

83.3Hz 208.3Hz

fout=OUTPUT FREQUENCY

fc=12 fout

fc=CARRIER FREQUENCY

2.5kHz

1.0kHz

41.6Hz 104.1Hz

fc=24 fout

fc=CARRIER FREQUENCY

2.5kHz

1.0kHz

27.7Hz 69.4Hz

fc=36 fout

n46=7

n46=8

n46=9

Setting

Carrier Frequency

12 fout

24 fout

36 fout

2.5

5.0

7.5

10.0

(Hz)

(kHz)

Metallic Noise from Motor

Higher

Not

audible

Noise and Current Leakage

Smaller

Larger

Factory setting varies according to inverter capacity (kVA).

NOTE

(1) Reduce continuous output current when changing carrier frequency to 4

(10 kHz) for the 200V class (1.5kW or more) and 400V class inverters. Refer to the table above for the reduced current. [Operation Condition]

• Input power supply voltage : 3-phase 200 to 230V (200V class) Single-phase 200 to 240V (200V class)

3-phase 380 to 460V (400V class)

• Ambient temperature : -10 to +50°C (14 to 122°F)

(Protection structure: open chassis type IP20)

(2) If the wiring distance is long, reduce the inverter carrier frequency as

described below.

Wiring Distance between

Inverter and Motor

Up to 50m Up to 100m

More than 100m

Carrier frequency

(n46 setting)

10kHz or less (n46=1,2,3,4,

7,8,9)

5kHz or less

(n46=1,2,

7,8,9)

2.5kHz or less (n46=1,

7,8,9,)

Voltage Class

(V)

Capacity

(kW)

Initial Setting

Setting

Carrier

Frequency

Maximum Continuous

Output Current

(A)

Reduced Current

(A)

200

Single-phase

3-phase

400

3-phase

0.1

0.25

0.55

1.1

1.5

2.2

4.0

0.37

0.55

1.1

1.5

2.2

3.0

4.0

4 4 4 4 3 3 3 3 3 3 3 3 3 3

10kHz 10kHz 10kHz 10kHz

7.5kHz

0.8

1.6

3.0

5.0

8.0

11.0

17.5

1.2

1.8

3.4

4.8

5.5

7.2

9.2

----

7.0

10.0

16.5

1.0

1.6

3.0

4.0

4.8

6.3

8.1

(3) Carrier frequency is automatically reduced to 2.5kHz when Reducing

carrier frequency selection at low speed (n75) is set to 1 and the following conditions are satisfied:

Output frequency  5Hz Output current  110%

Factory setting : 0 (Disabled)

Selects processing when STOP key is pressed during operation from multifunction input terminal.

Operator stop key selection (n06)

Setting

Description

Setting

Description

STOP key ineffective when running either from multi-function input terminals or communications.

STOP key effective when running either from multi-function input terminals or communications. When STOP key is pressed, the inverter stops according to the setting of constant n04. At this time, the digital operator displays “S P” alarm (blinking). This stop command is held in the inverter until both forward and reverse run commands are open, or unitl run command from communications becomes zero.

 Selecting Stopping Method

Selects the stopping method suitable for application.

• Deceleration to stop

Example when accel/decel time 1 is selected

Upon termination of the FWD (REV) run command, the motor decelerates at the decel rate determined by the time set to deceleration time 1 (n17) and DC injection braking is applied immediately before stop. DC injection braking is also applied when the motor decelerates by setting frequency reference lower than min. output frequency (n14) with FWD (or REV) run command ON. If the decel time is short or the load inertia is large, overvoltage (OV) fault may occur at deceleration. In this case, increase the decel time.

Selecting stopping method (n04)

* When frequency reference is changed during running.

SettingSetting

OUTPUT FREQUENCY

FWD (REV) RUN COMMAND

Description

Deceleration to stop

Coast to stop

ACCEL TIME 1 (n16)

DECEL

DECEL TIME 1

TIME 1

(n17)

TIME

MIN. OUTPUT FREQUENCY (FREQUENCY AT DC INJECTION BRAKING START) n14 (FACTORY SETTING: 1.5Hz)

DC INJECTION BRAKING TIME AT STOP (n53) (FACTORY SETTING: 0.5s)

• Coast to stop

Example when accel/decel time 1 is selected

Upon removal of the FWD (REV) run command, the motor starts coasting.

• DC injection braking current (n52)

Sets DC injection braking current in units of 1%. (Inverter rated current=100%)

• DC injection braking time at stop (n53)

Sets the DC injection braking time at stopping in units of 0.1 second. When the setting of n53 is 0, DC injection braking is not performed but inverter output is shut OFF at the timing of DC injection braking start.

When coasting to a stop is specified in stopping method selection (n04), DC injection braking at stop does not operate.

Applying DC injection braking

* When frequency reference is changed during running.

OUTPUT FREQUENCY

ACCEL TIME 1 (n016)

DECEL TIME 1 (n17)

COAST TO STOP

TIME

FWD (REV) RUN COMMAND

n14 MIN. OUTPUT FREQUENCY

n53 DC INJECTION BRAKING TIME AT STOP

 Building Interface Circuits with External Devices

Multi-function input terminal S2 to S5 functions can be changed when necessary by setting constants n36 to n39 respectively. The same value cannot be set to different constant settings.

* Numbers 2 to 5 is displayed in  corresponding to the terminal numbers S2 to S5 respectively.

Using input signals

Initial setting

Setting Name Description Ref.

FWD/REV run command

(3-wire sequence selection)

2 3 4 5 6 7

8 10 11 12 13 14 15 16 17 18 19 20 21 22 34 35

Reverse run

(2-wire sequence selection)

External fault (NO contact input)

External fault (NC contact input)

Fault reset Multi-step speed reference 1 Multi-step speed reference 2 Multi-step speed reference 3

JOG command

Accel/decel time select

External baseblock (NO contact input) External baseblock

(NC contact input)

Search command from

maximum frequency

Search command from

set frequency

Accel/decel hold command

LOCAL/REMOTE selection

Communication/ control circuit

terminal selection

Emergency stop fault

(NO contact input)

Emergency stop alarm

(NO contact input)

Emergency stop fault

(NC contact input)

Emergency stop alarm

(NC contact input)

UP/DOWN command

Self-test

Setting enabled only for n37

Inverter stops by external fault

signal input.

Digital operator display is

“ ?*.”

Resets the fault. Fault reset not effective with the run signal ON.

Motor coast to a stop by this

signal input.

Digital operator display is

“BB.”

Speed search

reference signal

Inverter stops by emergency stop signal input according to stopping method selection (n04). When frequency coasting to a stop (n04 is set to 1) method is selected, inverter coasts to a stop according to decel time setting 2 (n19). Digital operator display is S P. (lit at fault, blinking at alarm)

Setting enabled only for

n39 (terminal S5)

Setting enabled only for

n39 (terminal S5)

63 41

43 43 43 43 44 47

54 54 55 40 65

No. n36 n37

n38

n39

Terminal

S2 S3

Initial Setting

2 5

Reverse run (2-wire sequence selection) Fault reset

External fault (NO contact input)

Multi-step speed reference 1

Function

Terminal function at 3-wire sequence selection

When 0 is set at the terminal S3 (n37), terminal S1 becomes run command, terminal S2 becomes stop command, and terminal S3 becomes FWD/REV run command.

• LOCAL/REMOTE select (setting: 17)

Select operation reference either by the digital operator or by the settings of run command selection (n02) and frequency reference selection (n03). LOCAL/REMOTE select is available only during stop.

Open : Run according to the setting of run command selection (n02) or

frequency reference selection (n03).

Closed : Run by frequency reference and run command from the digital

operator.

(Example) Set n02 = 1, n03 = 2, n07 = 0.

Open : Run by frequency reference from multi-function input

terminal FR and run command from multi-function input terminals S1 to S5.

Closed : Run by potentiometer frequency reference and run

command from the digital operator.

• UP/DOWN command (setting: n39 = 034)

With the FWD (REV) run command entered, accel/decel is enabled by inputting the UP or DOWN signals to multi-function input terminals S4 and S5 without changing the frequency reference, so that operation can be performed at the desired speed. When UP/DOWN commands are specified by n39, any function set to n38 becomes disabled; terminal S4 becomes an input terminal for the UP command and terminal S5 for the DOWN command.

Run command (Run when “closed”) Stop command (Stop when “open”) FWD/REV run selection FWD run when “open” REV run when “closed”

STOP SW (NC CONTACT)

RUN SW (NO CONTACT)

S1 S2 S3 SC

( )

VS mini

Multi-function Input Terminal S4 (UP command)

Operation Status

Closed

Open

Accel

Decel

Hold

Multi-function Input Terminal S5 (DOWN command)

Open

Closed

Hold

Open

Closed

Time Chart at UP/DOWN Command Input

Notes :

1. When UP/DOWN command is selected, the upper limit speed is set regardless of frequency reference.

Upper limit speed = Max. output frequency (n09)

 Frequency reference upper limit (n30)/100%

2. Lower limit value is either min. output frequency (n14) or max. output frequency (n09)  frequency reference lower limit (n31)/100% (whichever is larger.).

3. When the FWD (REV) run command is input, operation starts at the lower limit speed without an UP/DOWN command.

4. If the jog command is input while running by the UP/DOWN command, the jog command has priority.

5. Multi-step speed reference 1 to 3 is not effective when UP/DOWN command is selected.

Multi-step speed reference is effective during running in hold status.

6. When “1” is set for HOLD output frequency memory selection (n62), output frequency can

be recorded during HOLD.

Setting

Description

Setting

Output frequency is not recorded during HOLD.

When HOLD status is continued for 5 seconds or longer, the output frequency during HOLD is recorded and the inverter restarts at the recorded frequency.

D1UU UHH H H H HDD D

FWD RUN

UP COMMAND S4

DOWN COMMAND S5

UPPER LIMIT SPEED

LOWER LIMIT SPEED OUTPUT FREQUENCY

FREQUENCY AGREED SIGNAL

U = UP (accelerating) status D = DOWN (decelerating) status H = HOLD (constant speed) status U1 = UP status, clamping at upper limit speed D1 = DOWN status, clamping at lower limit speed

Multi-function output terminal MA and MB functions can be changed when necessary by setting constant n057.

• Terminal MA and MB functions: Set to n40

Using output signals (n40)

•

Communication/multi-function input terminal selection input (setting: 18)

(This function is effective when option card is installed) Operation can be changed from communication command, or from multifunction input terminal or digital operator command. Run command from communication and frequency reference are effective when multi-function input terminal for this setting is “Closed.” Run command in LOCAL/REMOTE mode and frequency reference are effective when “Open.”

Setting Name Description

Fault In operation

Agreed frequency

Zero speed

Frequency detection

Overtorque detection

(NO contact output) Overtorque detection

(NC contact output) Minor fault

10 11

Base blocked

Operation mode

Inverter operation ready

Fault restart

In UV

In reverse run

In speed search

Data output from

communication

Closed when inverter fault occurs.

Closed when either FWD/REV command is input or voltage is output from the inverter. Closed when setting frequency agrees with inverter output frequency. Closed when inverter output frequency is less than min. output frequency.

Output frequency Frequency detection level (n58) Output frequency Frequency detection level (n58)

> =

< =

----

Closed when the alarm is indicated. Closed when the inverter output is shut off. Closed when “LOCAL” is selected by LOCAL/REMOTE selection. Closed when inverter fault is not detected, and operation is ready. Closed during fault retry Closed when undervoltage is detected. Closed during reverse run. Closed when inverter conducts speed search.

Operates multi-function output terminal independently from inverter operation (by MEMOBUS communication)

Ref.page

• Frequency agreed signal (setting=2)

DETECTION WIDTH

±2Hz

OUTPUT FREQUNENCY

FREQUENCY AGREED SIGNAL

RELEASE WIDTH

±4Hz

No.

n40

Terminals

MA, MB

Initial Setting 1 (in operation)

Initial setting of multi-function output terminal

 Setting Frequency by Current Reference Input

When setting frequency by inputting current reference (4-20mA or 0-20mA) from the control circuit terminal FR, switch the DIP switch SW8 on the control circuit board to “I” side. SW8 is accessed by removing the option cover.

NOTE

Never input voltage reference to control circuit terminal FR when DIP switch SW8 is switched to “I” side.

SW8

• Setting : n02 = 0, n03 = 3 or 4

Press the digital operator keys to run or stop the inverter. Switch run and stop direction by setting F/R LED.

Set frequency by the analog current signal [0100% ( max. frequency ) / 4-20mA or 0-20mA] connected to the control circuit terminal.

• Setting : n02 = 1, n03 = 3 or 4

Switch run/stop and FWD/REV run with switching device connected to the control circuit terminal. Multi-function input terminal S2 is set to Reverse run / stop (n36 = 2).

Set frequency by the analog current signal [0100% ( max. frequency ) / 4-20mA or 0-20mA] connected to the control circuit terminal.

Frequency reference gain (n41)/bias (n42) can be set even when current reference input is selected. For details, refer to “Adjusting frequency setting signal” on page 45.

Current reference selection

After changing DIP switch (V/I switch of SW8), PRESS on the digital operator, then set the following constants.

4-20mA....n03 = 3

0-20mA....n03 = 4

PRGM

CURRENT REFERENCE

4-20mA

0-20mA

(n004=3 OR 4)

FS FR FC

FWD RUN/STOP REV RUN/STOP

CURRENT REFERENCE

4-20mA

0-20mA

(n004=3 OR 4)

S1 S2 SC

FS FR FC

 Preventing Motor from Stalling (Current Limit)

Automatically adjusts the output frequency and output current according to the load to continue operation without stalling the motor.

• Stall prevention (current limit) level during acceleration (n56)

Sets the stall prevention (current limit) level during acceleration in units of 1% (Inverter rated current = 100%).

Factory setting: 170%

A setting of 200% disables the stall prevention (current limit) during acceleration. During acceleration, if the output current exceeds the value set for n56, acceleration stops and frequency is maintained. When the output current goes down to the value set for n56, acceleration starts.

*Stops the acceleration to prevent the motor from

stalling.

†Release width (hysteresis) of stall prevention

during accel is approx. 5% of inverter rated current.

In the constant output area [output frequency > max. voltage output frequency (n11)], following equation automatically decreases the stall prevention (current limit) level during acceleration.

MOTOR CURRENT

n56

OUTPUT FREQUENCY

TIME

†

Stall prevention (current limit) level during accel (n56)

Max. voltage output frequency (n11)



Stall prevention (current limit) level during accel in constant output area

Output frequency

Max. voltage output frequency n11

Output frequency

Stall prevention during accel (n56)

Stall prevention limit during accel (40% of n56)

Stall prevention level during acceleration

• Stall prevention (current limit) level during running (n57)

Sets the stall prevention (current limit) level during running in units of 1% (Inverter rated current = 100%).

* Factory setting: 160%

A setting of 200% disables the stall prevention (current limit) during running. If stall prevention action current at agreed speed exceeds the value set for n57 for longer than 100msec, deceleration starts. When the output current exceeds the value set for n57, deceleration continues. When the output current goes down to the value set for n57, acceleration starts, up to the set frequency. Stall prevention accel/decel settings during operation are: currently selected acceleration time 1 (n16), deceleration time 1 (n17) and acceleration time 2 (n18) and deceleration time 2 (n19).

* reduces frequency prevent speed loss † at acceleration start, output current hysterisis

is approx., 5% of inverter rated current.

• Stall prevention (current limit) function during deceleration (n55)

To prevent overvoltage during deceleration, the inverter automatically lengthen the deceleration time according to the value of main circuit DC voltage.

Setting

01Provided

Not Provided

Stall prevention (current limit) during deceleration

MOTOR CURRENT

n57

OUTPUT FREQUENCY

TIME

†

100msec

SET

DECEL

TIME

Controls the deceleration time to prevent overvoltage fault.

FREQUENCY

 Decreasing Motor Speed Fluctuation

As the load becomes larger, motor speed is reduced and motor slip value is increased. The slip compensating function controls the motor speed at a constant value even if the load varies. When inverter output current is equal to the motor rated current (n32), the compensation frequency is added to the output frequency.

Constants

* Differs depending on inverter capacity.

Notes : 1. Slip compensation is not performed in the following condition:

Output frequency < min. output frequency (n14)

2. Slip compensation is not performed during regeneration.

3. Slip compensation is not performed when motor rated current (n32) is set to 0.0A.

Compensation frequency = Motor rated slip (n64)

Output current – Motor no-load current (n65)

Slip compensation gain (n66)



Motor rated current (n32) – Motor no-load current (n65)

Constants

No.

n32

Motor rated current

Name Unit Setting range

Initial

Setting

0.1A 0 to 120% of inverter rated current

n67

Slip compensation time constant

0.1s

0.0 to 25.5s When 0.0s is set, delay time becomes 2.0s

2.0s

n66

Slip compensation gain

0.1

0.0 to 2.5

0.0

n65

Motor no-load current

0 to 99% (100%=Motor rated current n32)

n64

Motor rated slip

0.1Hz 0.0 to 20Hz

Slip compensation

 Motor Protection

The VS mini protects against motor overload with a built-in electronic thermal overload relay.

• Motor rated current (electoronic thermal reference current, n32)

Set to the rated current value shown on the motor nameplate.

Note: Setting to 0.0A disables the motor overload protective function.

• Motor overload protection selection (n33, n34)

The electronic thermal overload function monitors motor temperature, based on inverter output current and time, to protect the motor from overheating. When electronic thermal overload relay is enabled, an “OL1” error occurs, shutting OFF the inverter output and preventing excessive overheating in the motor. When operating with one inverter connected to one motor, an external thermal relay is not needed. When operating several motors with one inverter, install a thermal relay on each motor.

Motor overload detection

n33 Setting

Constants

No.

n34

Electronic Thermal Characteristics

Applied to general-purpose motor

Applied to inverter motor

Electronic thermal overload protection not provided

Name Unit Setting Range Initial Setting

Protection constant selection

1min 1 to 60min 8min

• General-purpose motor and inverter motor

Induction motors are classified as general-purpose motors or inverter motors, based on their cooling capabilities. Therefore, the motor overload function operates differently between these two motor types.

Example of 200V class motor

General-purpose MotorInverter Motor

Cooling Effect Torque Characteristics

Electronic Thermal overload

Effective when operated at 50/60Hz from commercial power supply.

Effective even when operated at low speed (approx. 6Hz)

Base Frequency 60Hz

(V/f for 60Hz, 220V Input Voltage)

For low-speed operation, torque must be limited in order to stop motor temperature rise.

Base Frequency 60Hz

(V/f for 60Hz, 220V Input Voltage)

Use an inverter motor for continuous operation at low speed.

“OL1” error (motor overload protection) occurs when continuously

operated at 50/60Hz or less at 100% load.

Electronic thermal overload protection not activated even when continuously operated at 50/60Hz or less at 100% load.

60 SEC SHORT-TERM

CONTINUOUS RATING

180 155 140

100

80 55 38

320 60 120

TORQUE

(%)

OPERATION FREQUENCY (Hz)

180

150

100

55 38

660120

TORQUE

(%)

OPERATION FREQUENCY (Hz)

60 SEC SHORT-TERM

CONTINUOUS RATING

 Selecting Cooling Fan Operation

In order to increase lifetime, the cooling fan can be set to operate only when inverter is running. n35 = 0 (initial setting) : Operates only when inverter is running (Continues

operation for 1 minute after inverter is stopped.)

= 1 : Operates with power ON

 Using MEMOBUS (MODBUS) Communications

Serial communication is available with VS mini using programmable controller (MEMOCON series) and MEMOBUS. In order to perform serial communications, RS-485/422 interface card (optional) must be installed. Refer to MEMOBUS Instruction Manual (Manual No.: TOEZ-C736-70.1) for details of communications.



MEMOBUS (MODBUS) communications

MEMOBUS system is composed of a single master (PLC) and slaves (1 to 31 VS-mini units). Communication between master and slave (serial communication) is controlled according to the master program with the master initiating communication and the slave responding. The master sends a signal to one slave at a time. Each slave has a preregistered address No., and the master specifies the number and conduct signal communications. The slave receives the communication to carry out designated functions and reply to the master.

○ Communications specifications

MEMOCON Series

Example of RS-485 communication

VS mini J7 VS mini J7 VS mini J7

Interface Synchronization

Communication parameters

Communication protocol

Max. number of inverters that can be connected

RS-422, RS-485 Asynchronous (Start-stop synchronization)

Baud rate : Selected from 2400/4800/9600/19200 bps Data length : 8 bits fixed Parity : Selected from even/odd/none Stop bits : 1 bit fixed

MEMOBUS (MODBUS) (RTU mode only)

31 units (When using RS-485)

 Using Constant Copy Function

The digital operator for remote operation (Model JVOP-146, Optional) can store constants for one inverter. A backup power supply is not necessary since EEPROM is used.

Note: When using a digital operator for remote operation, use with a remote

interface unit for remote operation (optional) and the cable for remote operation (optional). Refer to the VS mini J7 catalog (Literature No. KAE-S606-12) for details.

Constant copy function is possible only for the inverters with same product series and power supply specifications. However, some constants may not be copied. It is also impossible to copy constants between VS mini and VS606V7 inverters. The prohibition of the reading of constants from the inverter can be set at n77. The constant data cannot be changed when this constant is set.

If any alarm occurs during constant copy, the PRGM will blink and copying will continue.

•

Constant copy function selection (n76)

Depending on the setting of n76 for constant copy function selection, the following functions are available:

(1) Read all the constants from the inverter (READ) and store them in

EEPROM in the digital operator.

(2) Copies the constants stored in the digital operator to the inverter (COPY).

(3) Verify that the constants in the digital operator and the constants in

the inverter are the same (VERIFY).

(4) Displays the maximum applicable motor capacity and the voltage class

of the inverter that has the constants stored in the digital operator.

(5) Displays the software number of the inverter that has the constants

stored in the digital operator.

Constant copy function

Constant No.

n76

Name Unit Setting Range Initial Setting

Constant copy

function selection

–

rdy: READY rEd: READ CPy: COPY vFy: VERIFY vA: Inverter capacity display Sno: Software No. display

rdy

Constant No.

n77

Name Unit Setting Range Initial Setting

Constant read

selection

prohibit

0: READ prohibited

1: READ allowed

• Prohibiting constant read selection (n77)

Select this function to prevent accidentally overwriting the constants

stored in EEPROM or in the digital operator. Reading is not possible when this constant is set to 0.

The constant data stored in the digital operator are protected from

accidental overwriting. When reading is performed while this constant is set to 0, PrE will blink. Press the DSPL or ENTER and return to the constant No.display.

Reads out the constants in batch from the inverter and stores them in EEPROM inside the digital operator. When the read-out is executed, the previously stored constants data in the EEPROM are cleared and replaced with the newly entered constants.

Explanation Opretor display

[Example] Store the constants read out from the inverter, in the EEPROM inside the digital operator.

• Enable the setting of the constants n01 to n79.

• Set contant read prohibited selection (n77) to READ enabled. ∗1

• Execute read-out (READ) by constant copy Function selection (n76).

• Set Constant read prohibited selection (n77) to READ disabled. ∗2

• Press DSPL to light [PRGM].

• Press ENTER to display the

set value.

• Change the set value to 4 by pressing or key.

• Press ENTER.

• Change the constant No. to

n77 by pressing or key.

• Press ENTER to display the set value.

• Change the set value to 1 by pressing or key.

• Press ENTER.

• Change the constant No. by

pressing or key.

• Press ENTER to display the set value.

• Change the set value to rEd by pressing or key.

• Press ENTER.

• Press DSPL or ENTER

• Change the constant No.to

n77 by pressing or key.

• Press ENTER to display the set value.

• Chage the set value to 0 by pressing or key.

• Press ENTER.

N01

(Can be a different constant No.) 0 ( Lit ) (Can be a different set value.)

1 (Blinks)

1 (Lit for one second.)

↓

N01 (The constant is displayd.)

N77

0 (Lit)

1 (Blinks)

1 (Lit for one second)

↓

N77 (The constant displayed.)

N76

DY (Lit)

ED (Lit)

ED (Blinks while executing

READ)

↓

END (End is displayed after the execution of READ is completed.) N76 (The constant is displayed.)

N77

1 (Lit)

0 (Blinks)

0 (Lit for one minute)

↓

N77 (

the constant No. is display

ed.)

∗

1 When READ is enabled (n77=1), this setting is not necessary.

∗2

The setting is not necessary unless the READ prohibition is selected.

READ function

Writes the constants stored inside the digital operator in batch to the inverter. Write-in is possible only for the inverters with same product series and power supply specifications. Therefore, writing from 200 V class to 400 V class (or vice versa), from V/f control mode to vector control mode (or vice versa), and from VS mini to VS-606V7 are not possible. Constant Copy Function Selection (n76), Constant Read Selection Prohibit (n77), Fault history (n78), Software version No. (n79), and hold output frequency are not written. vAE will appear (blinking) when the capacity of the inverters differs. Press ENTER to continue writing in (the COPY function). Press STOP/RESET to stop the COPY function. Following constants are not written if the inverter capacity is different.

Constant No. Name Constant No. Name

n09 to n15 V/ f setting

n46

Carrier frequency selection

n65

Motor no-load current

n32 Motor rated current

Explanation Operator display

• Enable the settings for the constants n01 to n79.

• Execute write-in (COPY) by Constant Copy Function Selection (n76).

• Press DSPL to light [PRGM]

• Press ENTER to display the set

value.

•

Change the set value to 4 by

pressing or key.

• Press ENTER.

• Change the constant No. to n76

by pressing or key.

• Press ENTER to display the set value.

• Change the set value to CPy by pressing or key.

• Press ENTER.

• Perss DSPL or ENTER.

N01

(Can be a different constant No.) 0 (Lit) (Can be a different set value.)

1 (Blinks)

1 (Lit for one second)

↓

N01 (The constant No. is displayed)

N76

DY (Lit)

CPY (Lit)

CPY

(Blinks while executing CPY)

↓

END (End is displayed when the execution of CPY is completed.) N76 (The constant No. is displayed)

[ Example ] Write the constans from EEROM inside the degital operator to the inverter

n64 Motor rated slip

COPY function

A setting range check and matching check for the written-in constants are executed after the constants are written from the digital operator to the inverter. If any constant error is found, the written constants are discarded and the constants stored before writing are restored. When a setting range error is found, the constant No. where an error occurs is indicated by blinking. When a matching error is found, OP ? (? :a number) is indicated by blinking.

Collates the constants stored in the digital operator with the constant in the inverter. As well as write-in, VERIFY is possible only for the inverters with same product series and power supply specifications . When the constants stored in the digital operator correspond to those in the inverter, vFy is displayed by blinking, then End is displayed.

[Example] Collate the constants stored in EEPROM inside the digital operator with the constants in the inverter

While an unmatched constant No. is displayed or a constant value is displayed,

pressing STOP/RESET interrupts the execution of VERIFY and End is displayed.

Pressing DSPL or ENTER returns to the constant No.

Explanation

Operator display

• Enable the setting for the constans n01 to n79.

• Execute VERIFY by Constant Copy Function selection (n76).

• Display the unmatched constant No.

• Display the constant value in the inverter.

• Display the constant value in the digital operator.

• Continue the execution of VERIFY.

• Press DSPL to light [PRGM].

• Press ENTER to display the

set value.

• Change the set value to 4 by Pressing or key.

• Press ENTER.

• Change the constant No. to

n76 by pressing or key.

• Press ENTER to display the set value.

• Change the set value to vFy by pressing or key.

• Press ENTER.

• Press key.

• Press DSPL or ENTER.

N01

(Can be a different constant No.) 0 (Lit) (Can be a different constant No.)

1 (Blinks)

1 (Lit for one second)

↓

N01 (The constant No. is displayed)

N76

DY (Lit)

VFY (Lit)

VFY (Blinks while executing

VERIFY)

N09 (Blinks) (When n09 is unmatched)

60.0 (Blinks)

50.0 (Blinks)

VFY (Blinks while executing

VERIFY)

↓

END(End is displayed when the execution of VERIFY is completed).

N76

(The constant No. is displayed)

VERIFY function

The voltage class and maximum applicable motor capacity (whose constants stored in the digital operetor are read out) are displayed.

[Example] Display the voltage class and maximum applicable motor capacity for the inverter whose constants stored in EEPROM inside

the digital operator

Explanation

Operator display

• Enable the setting for the constans n01 to n79.

• Execute Inverter Capacity Display (vA) by Constant copy function selection (n76)

• Press DSPL to light [PRGM].

• Press ENTER to display the

set value.

• Change the set value to 4 by Pressing or key.

• Press ENTER.

• Change the constant No. to

n76 by pressing or key.

• Press ENTER to display the set value.

• Change the set value to vA fy by pressing or key.

• Press ENTER.

• Press DSPL or ENTER.

N01

(Can be a different constant No.) 0 (Lit) (Can be a different constant No.)

1 (Blinks)

1 (Lit for one second)

↓

N01 (The constant No. is displayed)

N76

DY (Lit)

VF1 (Lit)

20.7 (Lit) (For 20P7) ∗ N76 (The constant No. is

displayed)

The following shows the explanation of inverter capacity display

2 0.7

Three-phase 200V

Voltage class

Single-phase 200V

Three-phase 400V

200V class 400V class

Max. applicable motor capacity

–

0.1kW

0.37kW0.25kW

0.55kW0.55kW

1.1kW1.1kW

1.5kW1.5kW

2.2kW2.2kW

3.0kW

–

4.0kW4.0kW

0.1

0.2

0.4

0.7

1.5

2.2

3.0

4.0

Inverter capacity display

The software No. (of the inverter whose constants stored in the digital operator are read out) is displayed.

Explanation

Operator display

• Enable the setting for the constans n01 to n79.

• Execute Software No. Display (Sno)∗ by Constant copy function selection (n76).

• Press DSPL to light [PRGM].

• Press ENTER to display the

set value.

• Change the set value to 4 by Pressing or key.

• Press ENTER.

• Change the constant No. to

n76 by pressing or key.

• Press ENTER to display the set value.

• Change the set value to Sno by pressing or key.

• Press ENTER.

• Press DSPL or ENTER.

N01

(Can be a different constant No.) 0 (Lit) (Can be a different set value.)

1 (Blinks)

1 (Lit for one second)

↓

N01 (The constant No. is displayed)

N76

DY (Lit)

SNO (Lit)

011 (Lit)

(software version : VSP020011) N76 (The constant No. is displayed)

∗ Displays Lower 3 digits of the software version.

[Example] Display the software No. of the inverter whose constants stored in EEPROM inside the digital operator

Software No. display

Operator

display

CPY

VFY

SNO

END

P E

CSE

DPS

CPE

CYE

F04

Description

Corrective action

Lit : Setting for constant copy function selection enabled

Lit: READ selected Flashed: READ under execution

Lit: Writing (COPY) selected Blinks: Writing (COPY) under execution

Lit: VERIFY selected Flashed: VERIFY under execution

Lit: Inverter capacity display selected

Lit: Software No. Display selected

Lit: READ, COPY (writing), or VERIFY completed

Blinks: Attempt to execute READ while Constant Read Selection Prohibit (n77) is set to 0.

Confirm the necessity to execute READ, then set constant Read selection Prohibit (n77) to 1 to execute READ.

Confirm that the main circuit power supply voltage is correct, then re-execute READ.

The constans stored in the digital operator cannot be used. Re-execute READ to store the constans in the digital operator.

Check if they are the same product series.

Execute READ.

Confirm that the main circuit power supply voltage is correct, then re-execute writing (COPY). Initialize the constans. If an error occurs again, replace the inverter due to a failure of constant memory element (EEPROM) in the inverter.

Press ENTER to continue the execution of COPY or VERIFY. Press STOP to interrupt the execution

of COPY or VERIFY.

Check the connection between the inverter and the digital operator. If a communication error occurs durring READ operation or writing (COPY) operation, be sure to re-execute READ or COPY.

Check each voltage class and control mode.

Blinks: The constant could not be read properly by READ operation. Or, a main circuit low voltage is detected during READ operation.

Blinks: A sumcheck error occurs in the consant data stored in the digital operator.

Blinks: The password for the connected inverter and that for the constant data stored in the digital operator are disagreed. [Ex.] Writing (COPY) from VS mini to VS-606V7

Blinks: No constant data stored in the digital operator.

Blinks: Attempt to execute writing (COPY) or VERIFY between different voltage classes or different control modes.

Blinks: A main circuit low voltage is detected during writing (COPY) operation.

Lit: A sumcheck error occurs in the constant data stored in the inverter.

Blinks: Attempt to execute COPY or VERIFY between inverters of different capacities.

Blinks: A communication error occurs between the inverter and the digital operator.

–

Note: While rEd, CPy, or vFy is displayed by blinking, key input on the digital operator is disabled. While rEd, CPy and vFy are not displayed by blinking, pressing DSPL or ENTER redisplays the constant No.

Display list

NDF

VRE

7. MAINTENANCE AND INSPECTION

 Periodical Inspection

Periodically inspect the inverter as described in the following table to prevent accidents and to ensure high performance with high-reliability.

 Part Replacement

Inverter’s maintenance periods are noted below. Keep them as reference.

Location to Check

Terminals, unit

mounting screws,

etc.

Heatsink

Connection hardware is properly seated and securely tightened.

Properly seat and tighten hardware.

Check For Solution

Built up dust, dirt, and debris Blow with dry compressed air :

39.2  10 to 58.8  10 Pa, 57 to 85 psi (4 to 6kg / cm ) pressure

Cooling fan Abnormal noise or vibration

Cumulative operation time exceeding 20,000 hours

Replace the cooling fan.

Replace the inverter unit.Abnormal odor or

discoloration

Power elements

and smoothing

capacitor

Accumulation of conductive material or oil mist

Printed circuit

board

Blow with dry compressed air :

39.2  10

to 58.8  104 Pa,

57 to 85 psi (4 to 6kg / cm

) pressure If dust or oil cannot be removed, replace the inverter unit.

Part

Part Replacement Guidelines

Standard Replacement Period

Cooling fan

Smoothing capacitor

Breaker relays

Fuses Aluminum capacitors

on PCBs

Replacement Method

Replace with new part.

Replase with new part. (Determine need by inspection.)

Determine need by inspection.

Replace with new part.

Replase with new board. (Determine need by inspection.)

2 to 3 years

5 years

----

10 years

5 years

Note: Usage conditions are as follows:

• Ambient temperature: Yearly average of 30˚C

• Load factor: 80% max.

• Operating rate: 12 hours max. per day

1. Removal

(1) Press the right and left clicks

of the fan cover to direction 1, and then pull them to direction 2 to remove the fan cover from the inverter unit.

(2) Pull the wiring to direction 3 from

the fan cover rear face, and remove the protective tube and connector.

(3) Open the left and right sides of

the fan cover to remove the cooling fan from the cover.

2. Mounting

(1) Mount the cooling fan on the fan

cover. The arrow mark to indicate the wind direction of the cooling fan must be in the opposite side to the cover.

(2) Connect the connector and

mount the protective tube firmly. Mount the connector joint section on the fan cover rear face.

(3) Mount the fan cover on the

inverter. Be sure to mount the right and left clicks of the fan cover on the cooling fin.

Replacement of cooling fan

• Inverter of W-dimension (width) 68mm (2.68 inches), 140mm

(5.51 inches)

1. Removal

(1) Remove the front cover, and

then remove the cooling fan connector (CN4).

(2) Press the right and left clicks of

the fan cover to direction 1, and pull the fan cover to direction 2 to remove it from the inverter unit. Pull out the wiring from the cable lead-in hole at the bottom of the plastic case.

(3) Open the right and left sides of

the fan cover to remove the cover from the cooling fan.

2. Mounting

(1) Mount the cooling fan on the fan

cover. The arrow mark to indicate the wind direction must be opposite to the cover.

(2) Mount the fan cover on the

inverter. Be sure to mount the right and left clicks of the fan cover on the cooling fin. Lead in the wiring from the cable lead-in hole at the bottom of the plastic case to the inside of the inverter.

(3) Connect the wiring to the cooling

fan connector (CN4) and mount the front cover and the terminal cover.

• Inverter of W-dimension (width) 108mm (4.25 inches)

8. FAULT DIAGNOSIS

 Protective and Diagnostic Function

This section describes the alarm and fault displays, explanations for fault conditions and corrective actions to be taken if the VS mini malfunctions.

< Corrective actions for models without digital operator >

1. Input fault reset or cycle the power supply OFF and ON.

2. When a fault cannot be corrected: Turn the power supply OFF and check the wiring and control logic.

Alarm Display and Contents

Alarm Display

Digital Operator

RUN ALARM (Green)

(Red)

Inverter Status

Explanation

Causes and Corrective Actions

Warning

Fault contacts do not change state.

200V: Main circuit DC voltage drops below approx. 200V. (160V for single phase) 400V: Main circuit DC voltage drops below approx. 400V.

CAL (MEMOBUS communications waiting) Correct data has not been received from the PLC when the constants n02 (run command selection) is 2 or n03 (frequency reference selection) is 6, and power is turned ON.

Check communication devices, and transmission signals.

Blinking

CRL

Blinking

UV (Main circuit low voltage) Main circuit DC voltage drops below the low-voltage detection level while the inverter output is OFF.

OV (Main circuit overvoltage) Main circuit DC voltage exceeds the overvoltage detection level while the inverter output is OFF. Detection level : 200V class: approx. 410V or

400V class: approx. 820V or

OH (Cooling fin overheat) Intake air temperature rises while the inverter output is OFF.

Check the following :

• Power supply voltage

• Main circuit power supply wiring is connected.

• Terminal screws are securely tightened.

Check the power supply voltage.

Check the intake air temperature.

Blinking

: ON : BLINKING : OFF

Alarm Display

Digital Operator

RUN ALARM (Green)

(Red)

Inverter Status

Explanation

Causes and Corrective Actions

Warning

Fault contacts do not change state.

OL3

Blinking

OP?

Blinking

OP? (Constant setting error when the constant setting is performed through the MEMOBUS communications) OP1: Two or more values are set for multi function input selection. (constants n36 to n39) OP2: Relationship among V / f constants is not correct. (constants n09, n11, n12, n14) OP3: Setting value of motor rated current exceeds 120% of inverter rated current. (constant n32) OP4: Upper / lower limit of frequency reference is reversed. (constants n30, n31) OP5: Setting values of jump frequencies 1 and 2 are not appropriate. (constants n49, n50) OP9: Carrier frequency setting is incorrect. (constant n46)

Check the setting values.

OL 3 (Overtorque detection) Motor current exceeded the preset value in constant n60.

Reduce the load, and expand the accel / decel time.

SER (Sequence error) Inverter receives LOCAL / REMOTE select command or communication / control circuit terminal changing signals from the multifunction terminal while the inverter is outputting.

Check the external circuit (sequence).

Blinking

Alarm Display

Digital Operator

RUN ALARM (Green)

(Red)

Inverter Status

Explanation

Causes and Corrective Actions

Warning

Fault contacts do not change state.

Blinking

S P

Blinking

EF (Simultaneous FWD/ REV run commands) When FWD and REV run commands are simultaneously input for over 500ms, the inverter stops according to constant n04.

BB (External baseblock) Baseblock command at multi-function terminal is active, the inverter output is shut OFF (motor coasting). Temporary condition is cleared when input command is removed.

STP (Operator function stop)

STOP

RESET

is pressed

during running by the control circuit terminals FWD / REV command, or by the run command from communications. The inverter stops according to constant n04. STP(Emergency stop) Inverter receives emergency stop alarm signal. Inverter stops according to constant n04.

Check the external circuit (sequence).

Open FWD/REV command of control circuit terminals .

FAN(Cooling fan fault) Cooling fan is locked.

Check the following:

• Cooling fan

• Cooling fan wiring is not connected.

CE (MEMOBUS comunications fault)

Check the comunication devices or signals.

FRN

Blinking

Fault Display and Contents

Fault Display

Digital Operator

RUN ALARM (Green)

(Red)

Inverter Status

Explanation

Causes and Corrective Actions

UV1

Protective Operation

OC (Overcurrent) Inverter output current momentarily exceeds approx. 200% of rated current.

(Control power supply fault) Voltage fault of control power supply is detected.

GF (Ground fault) Ground fault current at the inverter output exceeded inverter rated current.

Output is shut OFF and motor coasts to a stop.

• Short circuit or grounding at inverter output side

• Excessive load GD

• Extremely rapid accel/ decel time (constants n16 to n19)

• Special motor used

• Starting motor during

coasting

• Motor of a capacity greater than the inverter rating has been started.

• Magnetic contactor open/closed at the inverter output side

• Cycle power. If the fault remains, replace the inverter.

OV (Main circuit overvoltage) Main circuit DC voltage exceeds the overvoltage detection level because of excessive regenerative energy from the motor.

• Insufficient decel time (constants n17 and n19)

• Lowering of minus load (elevator, etc.)

• Increase decel time.

Detection level: 200V: Stops at main circuit DC voltage below approx. 410V. 400V: Stops at main circuit DC voltage

approx. 820V or more.

UV1 (Main circuit low voltage) Main circuit DC voltage drops below the lowvoltage detection level while the inverter output is ON.

• Reduction of input power supply voltage

• Open phase of input supply

• Occurrence of momen-

tary power loss

Check the following :

• Power supply voltage

• Main circuit power

supply wiring is connected.

• Terminal screws are securely tightened.

200V: Stops at main circuit DC voltage below approx. 200V.(160V for single-phase) 400V: Stops at main circuit DC voltage

approx. 400V or more.

• Check that motor insulation has not deteriorated.

• Check the connection between inverter and motor.

Fault Display

Digital Operator

RUN ALARM (Green)

(Red)

Inverter Status

Explanation

Causes and Corrective Actions

OL1

OL2

OL3

Protective Operation

OH (Cooling fin overheat) Temperature rise because of inverter overload operation or intake air temperature rise.

Output is shut OFF and motor coasts to a stop.

OL1 (Motor overload) Motor overload protection operates by built-in electronic thermal overload relay.

• Check the load size or V/f pattern setting (constants n09 to n15)

• Set the motor rated current shown on the nameplate by constant n32.

OL2 (Inverter overload) Inverter overload protection operates by built-in electronic thermal overload relay.

• Check the load size or V/f pattern setting (constants n09 to n15)

• Check the inverter capacity.

• Excessive load

• Improper V/f pattern

setting

• Insufficient accel time if the fault occurs during acceleration

• Intake air temperature exceeding 122<(50:)

• Cooling fan stops

Check the following :

• Load size

• V/f pattern setting

(constants n09 to n15)

• Intake air temperature.

Check the driven machine and correct the cause of the fault, or increase the value of constant n60 up to the highest value allowed for the machine.

OL3 (Overtorque detection) Inverter output current exceeded the preset value in constant n60. When overtorque is detected, inverter performs operation according to the preset setting of constant n59.

Fault Display

Digital Operator

RUN ALARM (Green)

(Red)

Inverter Status

Explanation

Causes and Corrective Actions

Protective Operation

EF? (External fault) Inverter receives an external fault input from control circuit terminal.

Output is shut OFF and motor coasts to a stop.

EF?

F00

F01

F04

EF0: External fault reference through MEMOBUS communications EF2: External fault input command from control circuit terminal S2 EF3: External fault input command from control circuit terminal S3 EF4: External fault input command from control circuit terminal S4 EF5: External fault input command from control circuit terminal S5

CPF-00 Initial memory fault has detected.

CPF-01 ROM error has detected.

CPF-04 EEPROM fault of inverter control circuit is detected.

Cycle power. If the fault remains, replace the inverter.

• Record all constant data and initialize the constants. (Refer to page 36 for constant initialization.)

• Cycle power. If the fault remains, replace the inverter.

Check the external circuit (sequence).

Fault Display

Digital Operator

RUN ALARM (Green)

(Red)

Inverter Status

Explanation

Causes and Corrective Actions

F05

F07

Protective Operation

Output is shut OFF and motor coasts to a stop.

CPF-06

• Option card connecting fault

• A non-corresponding option card is connected.

Remove power to the inverter. Check the connection of the digital operator. Verify inverter software number.

—

(OFF)

• Insufficient power supply voltage

• Control power supply fault

• Hardware fault

Check the following :

• Power supply voltage

• Main circuit power

supply wiring is connected.

• Terminal screws are securely tightened.

• Control sequence. Replace the inverter.

F06

CPF-05 A/D converter fault is detected.

Cycle power. If the fault remains, replace the inverter.

CPF-07 Operator control circuit (EEPROM or A/D converter) fault

CE(MEMOBUS communications fault) Normal reception of communication data is not possible.

Check the communication devices or communication signals.

STP(Emergency stop) The inverter stops according to constant n04 after receiving the emergency stop fault signal.

Note : For display/clear of fault history, refer to page 34.

Cycle power. If the fault remains, replace the inverter.

Check the external circuit (sequence).

S P

Stops according to constant

 Troubleshooing

Trouble Cause Corrective Actions

The motor does not operate when an external operation signal is input.

The operation method selection is wrong.

The run command (n02) is not set to Control Circuit Terminal.

Set the run command (n02) to Control Circuit Terminal.

A 3-wire sequence is in effect.

The multi-function input method (n37) is set to 3-wire sequence, and the S2 control terminal is not closed.

To use a 3-wire sequence, make the wiring so that the S2 control terminal is closed. To use a 2-wire sequence, set the multifunction input (n37) to a value other than 3-wire sequence.

The motor stops. The torque is not output.

The stall prevention level during acceleration is too low.

Because the stall prevention level during acceleration (n56) is set too low, the output current reaches the set level, the output frequency is stopped, and the acceleration time is lengthened.

Check if the stall prevention level during acceleration (n56) is set to an appropriate value.

Local mode is in effect. Set the LO/RE selection of the

digital operator to RE.

The SW setting for the reference selection is wrong.

Example: The reference 4-20mA is input, but the SW is set to "V".

For analog input, make sure that the frequency reference (n03) and SW settings are correct.

The stall prevention level during running is too low.

Because the stall prevention level during running (n57) is set too low, the output current reaches the set level, and the speed drops.

Check if the stall prevention level during running (n57) is set to an appropriate value.

The load is too heavy.

If the load is too heavy, stall prevention is activated, the output frequency is stopped, and the acceleration time is lengthened.

Lengthen the set acceleration time (n16). Reduce the load.

The frequency reference is too low.

The input frequency reference is lower than the setting for the min.output frequency (n14).

Input a frequency reference greater than the min. output frequency (n14).

Trouble Cause Corrective Actions

The motor speed is unstable. The motor speed fluctuates when operating with a light load.

The carrier frequency is too high.

If operating the motor with a light load, a high carrier frequency may cause the motor speed to fluctuate.

Decrease the carrier frequency (n46).

The V/f set value is too high for a low speed operation.

Because the set value for the V/f is too high, over-excitation occurs at low speeds.

Set the V/f (n09 to n15) according to the load characteristics.

The maximum frequency and base frequency were incorrectly adjusted.

Example: To operate a 60 Hz motor at 40 Hz or less, the maximum frequency and base frequency are set to 40 Hz.

Set the maximum frequency and the base frequency according to the motor specifications.

The inverter is used for an operation at 1.5 Hz or less.

Do not use the VS mini for an operation that runs at 1.5 Hz or less. For an operation at 1.5 Hz or less, use a different inverter model.

The analog reference input is unstable and has noise interference.

Increase the set value for the filter time constant.

The load is too heavy.

If the load is too heavy, stall prevention is activated, the output frequency is stopped, and the acceleration time is lengthened.

Reduce the load.

When the maximum frequency was changed, the maximum voltage frequency was also changed.

To increase the speed of a general-purpose motor, only change the maximum frequency.

The V/f set value is too low. Set the V/f (n09 to n15)

according to the load characteristics.

The stall prevention level during running is too low.

Because the stall prevention level during running (n57) is too low, the output current reaches the set level and the speed drops.

Check if the stall prevention level during running (n57) is set to an appropriate value.

Trouble Cause Corrective Actions

The digital operator does not turn ON.

The power is not being supplied.

The breaker or other component on the power input side is not turned ON, and the power is being not supplied.

Check if the power is being supplied.

9. SPECIFICATIONS

 Standard Specifications (200V Class)

Short-term average deceleration torque †

0.1, 0.25kW (0.13HP, 0.25HP): 150%

0.55, 1.1kW (0.5HP, 1HP): 100%

1.5kW (2HP) : 50%

2.2kW(3HP) or more: 20% Continuous regenerative torgue: Approx. 20%

0.1

(0.13)

0.25

(0.23)

0.55

(0.5)

1.1 (1)

1.5 (2)

2.2 (3)

4.0 (5)

200V single- / 3-phase

Voltage Class

Inverter Capacity (kVA)

Control Method

Overload Capacity

Accel/Decel Time

Braking Torque

V/f Characteristics

Rated Output

Current (A)

Max. Output

Frequency (Hz)

Rated Input Voltage

and Frequency

Allowable Voltage

Fluctuation

Allowable Frequency

Fluctuation

Frequency Control

Range

Frequency Setting

Resolution

Frequency Reference

Signal

Output Frequency

Resolution

Frequency Accuracy

(Temperature Change)

Max. Output Voltage (V)

3-phase, 200 to 230V (proportional to input voltage) Single-phase, 200 to 240V (proportional to input voltage)

3-phase, 200 to 230V, 50/60Hz Single-phase, 200 to 240V, 50/60Hz

Digital reference: ± 0.01% (-10 to + 50°C) Analog reference: ± 0.5% (25 ± 10°C)

0 to 10VDC (20kΩ), 4 to 20mA (250Ω), 0 to 20mA (250Ω), Frequency setting potentiometer (Selectable)

Digital reference:

0.1Hz (less than 100Hz) / 1Hz (100Hz or more) Analog reference: 1 / 1000 of max. output frequency

400Hz(Programmable)

-15 to + 10%

Sine wave PWM (V/f control)

0.1 to 400Hz

0.01Hz

150% rated output current for one minute

Possible to program any V / f patterm

0.0 to 999 sec. (accel / decel time are independently programmed)

Output

Characteristics

Power

Supply

Control Characteristics

±5%

Max. Applicable Motor Output

kW (HP)*

Model

CIMR-J7

Z????

phase

20P1

B0P1

0.3

0.8

20P2

B0P2

0.6

1.6

20P4

B0P4

1.1

20P7

B0P7

1.9

21P5

B1P5

––

3.0

22P2

4.2

24P0

6.7

17.5

Singlephase

Based on a standard 4-pole motor for max. applicable motor output.

† Shows deceleration torque for uncoupled motor decelerating from 60Hz with the shortest possible deceleration time.

200V single- / 3-phase

Electronic thermal overload relay

Motor coasts to a stop at approx. 200% of inverter rated current

Motor coasts to a stop after 1 minute at 150% of inverter rated output current

Motor coasts to a stop if DC bus voltage exceed 410V

Protected by electronic circuit

Can be set individual level during accel / decel, provided / not provided available during coast to a stop

Protected by electronic circuit (rated output current level) RUN lamp stays ON or digital operator LED stays ON.

(Charge LED is provided for 400V) ON until the DC bus voltage becomes 50V or less.

Four of the following input signals are selectable: Reverse run (3-wire sequence), fault reset, external fault (NO / NC contact input), multi-step speed operation, Jog command, accel / decel time select. external baseblock (NO / NC contact input), speed search command, accel / decel hold command, LOCAL / REMOTE selection, communication / control circuit terminal selection, emergency stop fault emergency stop alarm

Following output signals are selectable (1 NO / NC contact output) : Fault, running, zero speed, at frequency, frequency detection (output frequency  or  set value), during overtorque detection, minor error, during baseblock, operation mode, inverter run ready, during fault retry, during UV, during speed search, data output through communication

Full-range automatic torque boost, slip compensation, DC injection braking current / time at start/stop, frequency reference bias /gain, frequency reference with built-in potentiometer, constant copy, [MEMOBUS communications (RS-485/422, max. 19.2K bps) (optional) ]

Stops when DC bus voltage is approx. 200V or less (approx. 160V or less for single-phase series)

Following items are selectable : Not provided (stops if power loss is 15ms or longer), continuous operation if power loss is approx. 0.5s or shorter, continuous operation

Voltage Class

Motor Overload

Protection

Instantaneous

Overcurrent

Overload

Overvoltage

Undervoltage

Cooling Fin Overheat

Stall Prevention Level

Protected by electronic circuit (fan lock detection)Cooling Fan Fault

Ground Fault

Output

Signals

Input

Signals

Power Charge

Indication

Standard Functions

Protective FunctionsOther Functions

Multi-function

Input

Multi-function

Output

Momentary Power

Loss

Model

CIMR-J7

Z????

phase

20P1

B0P1

20P2

B0P2

20P4

B0P4

20P7

B0P7

21P5

B1P5 ––

22P2 24P0

Singlephase

* Minimum permissible load: 5VDC, 10mA (as reference value)

100

200V single- / 3-phase

RUN and ALARM provided as LED's

Available to monitor frequency reference, output frequency, output current

Main circuit: screw terminals Control circuit: plug-in screw terminal

100m (328ft) or less †

Open chassis

Open chasis : -10 to +50°C (14 to 122°F) (not frozen)

95%RH or less (non-condensing)

-20 to +60°C (-4 to +140°F) Indoor (free from corrosive gases or dust)

1000m (3280ft) or less Up to 9.8m / S

(1G) at less than 20Hz,

up to 2m / S

(0.2G) at 20 to 50Hz

Environmental

Conditions

Cooling fan is provided for the following models: 200V, 0.75kW (1HP) or large inverters (3-phase) 200V, 1.5kW (2HP) or large inverters (single-phase) Other models are self-cooling

Voltage Class

Other Functions

Display

Model

CIMR-J7

Z????

phase

Status Indicator

LED

Digital Operator

Terminals

Wiring Distance between Inverter

and Motor

Enclosure

Cooling Method

Ambient Temperature

Humidity

Storage Temperature *

Location

Elevation

Vibration

20P1

B0P1

20P2

B0P2

20P4

B0P4

20P7

B0P7

21P5

B1P5 ––

22P2 24P0

Single-

phase

* Temperature during shipping (for short period)

† If the wiring distance between inverter and motor is long, reduce the inverter carrier frequency. For details, refer to “Reducing motor noise or leakage current (n46)” on page 57.

Datasheet VS Datasheet (OMRON)

Specifications and Main Features

Frequently Asked Questions

User Manual

NOTES FOR SAFE OPERATION

1. RECEIVING

2. IDENTIFYING THE PARTS

3. MOUNTING

4. WIRING

5. OPERATING THE INVERTER

6. PROGRAMMING FEATURES

Multi-step speed selection

Operating at low speed

Adjusting speed setting signal

Adjusting frequency upper and lower limits

Using two accel/decel times

Torque detection

Effective when either of output terminal function selection n40 is set to “frequency detection” (setting: 4 or 5). “Frequency detection” turns ON when output frequency is higher or lower than the frequency detection level (n58).

Operating coasting motor without trip

Holding accel/decel temporarily

 Selecting Stopping Method

Applying DC injection braking

Using input signals

Slip compensation

Motor overload detection

MEMOBUS (MODBUS) communications

○ Communications specifications

Constant copy function

READ function

COPY function

VERIFY function

Inverter capacity display

Software No. display

7. MAINTENANCE AND INSPECTION

8. FAULT DIAGNOSIS