MEIDEN THYFREC-VT240S User manual

———————— NOTICE ————————

1. Read this manual thoroughly before using the VT240S, and store in a safe place

for reference.

2. Make sure that this manual is delivered to the final user.

MEIDENSHA CORPORATION

MEIDEN

AC SPEED CONTROL EQUIPMENT

THYFREC-VT240S

200V System 0.75 to 90kW Normal Duty

400V System 0.75 to 475kW Normal Duty

Sep. 2006ST-3450

INSTRUCTION MANUAL

Công ty TNHH điện tửcông nghiệp RITECH

Chuyên cung cấp dịch vụsửa chữa: biến tần, Servo, Máy CNC, Khởi động mềm...

Hotline hỗtrợkỹthuật: 0979578581

Website: ritech.vn

Với đội ngũkỹthuật lâu năm kinh nghiệm trong nghềtrực tiếp sửa chữa không qua trung gian

Contents

Preface ..................................................................................................................................... iii

PRECAUTIONS FOR SAFETY ................................................................................................ iv

<Names of each part> ............................................................................................................. viii

Chapter 1 Delivery Inspection and Storage ........................................................................ 1-1

1-1 Delivery inspection and storage ................................................................................... 1-1

1-2 Details of rating nameplate and type display method.................................................. 1-1

Chapter 2 Installation and Wiring......................................................................................... 2-1

2-1 Installation environment ............................................................................................... 2-1

2-2 Installation and wiring method...................................................................................... 2-3

2-3 Precautions for power supply and motor wiring........................................................... 2-5

2-4 Precautions for wiring to the control signal .................................................................. 2-16

Chapter 3 Test Operation and Adjustment ......................................................................... 3-1

3-1 Flow of test operation ................................................................................................... 3-2

3-2 Preparation before turning power ON .......................................................................... 3-3

3-3 Control modes .............................................................................................................. 3-4

3-4 Automatic tuning and test operation ............................................................................ 3-5

Chapter 4 Operation Panel.................................................................................................... 4-1

4-1 Outline of operation panel types and functions............................................................ 4-1

4-2 Various operations and displays when LCD panel is connected ................................ 4-6

4-3 Various operations and displays when LED panel is connected................................. 4-14

4-4 Customizing block-B, C parameter .............................................................................. 4-25

4-5 Changing modes .......................................................................................................... 4-27

Chapter 5 Control Input/Output............................................................................................ 5-1

5-1 Input/output terminal function....................................................................................... 5-1

5-2 Control input/output circuit............................................................................................ 5-2

5-3 Programmable sequence input function (PSI) ............................................................. 5-3

5-4 Programmable sequence output function (PSO)......................................................... 5-8

5-5 Sequence input logic .................................................................................................... 5-9

5-6 Changing of terminal functions..................................................................................... 5-10

5-7 Programmable input function (PI) ................................................................................ 5-12

5-8 Programmable output function (P0) ............................................................................. 5-16

5-9 Selecting the setting data............................................................................................. 5-20

Chapter 6 Control Functions and Parameter Settings ...................................................... 6-1

6-1 Monitor parameters ...................................................................................................... 6-1

6-2 Block-A parameters...................................................................................................... 6-8

6-3 Block-B parameters...................................................................................................... 6-10

6-4 Block-C parameters...................................................................................................... 6-42

6-5 Block-U parameters...................................................................................................... 6-60

6-6 Function explanation .................................................................................................... 6-76

6-7 Setting the overload mode .......................................................................................... 6-167

6-8 Adjusting the IM vector control speed control related parameters .............................. 6-169

6-9 Adjusting the PM motor control system parameters.................................................... 6-174

6-10 Operating the auxiliary drive motor .............................................................................. 6-182

6-11 Built-in PLC Function.................................................................................................... 6-185

6-12 Explanation of standard serial and Modbus communication ....................................... 6-192

Chapter 7 Options .................................................................................................................. 7-1

7-1 Outline of options.......................................................................................................... 7-1

7-2 Built-in PCB option ..................................................................................................... 7-5

7-3 Dynamic braking (DB) option ....................................................................................... 7-7

7-4 ACL and DCL ............................................................................................................... 7-11

7-5 EMI filter........................................................................................................................ 7-17

Chapter 8 Maintenance and Inspection............................................................................... 8-1

8-1 Inspection items............................................................................................................ 8-1

8-2 Measuring devices ....................................................................................................... 8-4

8-3 Protective functions ...................................................................................................... 8-5

8-4 Troubleshooting with fault display................................................................................ 8-6

8-5 Troubleshooting with no fault display........................................................................... 8-15

Chapter 9 Compatible Standards ......................................................................................... 9-1

9-1 UL/cUL Standards ........................................................................................................ 9-1

9-2 CE Marking................................................................................................................... 9-5

Appendix 1 Type Description System ................................................................................. A-1

Appendix 2 Outline Dimension Drawings ........................................................................... A-10

Appendix 3. Fault Codes ....................................................................................................... A-12

Appendix 4. Display Messages ............................................................................................ A-14

Appendix 5. Segment LED Display ...................................................................................... A-15

Revision history........................................................................................................................ R-1

iii

Preface

Thank you for purchasing the “Meiden AC Speed Control Equipment THYFREC-VT240S”.

THYFREC-VT240S is a highly functional inverter that is easy to use.

Please read this manual thoroughly before use, and keep the manual at hand for later

reference. Also make sure that this manual is delivered to the final users.

WARNING

ALWAYS READ THIS MANUAL THOROUGHLY BEFORE USING THE VT240S.

THIS INVERTER CONTAINS HIGH VOLTAGE CIRCUITS THAT MAY BE FATAL TO HUMANS. USE

EXTREME CAUTION DURING INSTALLATION. MAINTENANCE MUST BE PERFORMED BY

QUALIFIED TECHNICIANS, AND ALL POWER SOURCES MUST BE DISCONNECTED BEFORE ANY

MAINTENANCE. SUFFICIENT NOTICE MUST BE GIVEN TO THE GENERAL OPERATORS AND

WORKERS BEFORE STARTING.

• ELECTRIC SHOCK MAY OCCUR IF THE FOLLOWING POINTS ARE NOT OBSERVED.

(1) DO NOT OPEN THE FRONT COVER WHILE THE POWER IS ON.

(2) A CHARGE STILL REMAINS IN THE INVERTER WHILE THE INDICATOR IS LIT EVEN IF THE

POWER HAS BEEN TURNED OFF. DO NOT OPEN THE FRONT COVER IN THIS CASE. WAIT

AT LEAST 20 MINUTES AFTER THE INDICATOR GOES OUT.

(3) DO NOT CONTACT THE ELECTRICAL CIRCUIT WHILE THE "CHARGE" LED ON THE UNIT IS

LIT. PERFORM SERVICING, ETC., AFTER WAITING AT LEAST 20 MINUTES AFTER THE

LAMP GOES OUT.

(4) ALWAYS GROUND THE INVERTER CASE. THE GROUNDING METHOD MUST COMPLY WITH

THE LAWS OF THE COUNTRY WHERE THE INVERTER IS BEING INSTALLED.

• THE INVERTER MAY BE DESTROYED BEYOND REPAIR IF THE FOLLOWING POINTS ARE NOT

OBSERVED.

(1) OBSERVE THE INVERTER SPECIFICATIONS.

(2) CONNECT ADEQUATE CABLES TO THE INPUT/OUTPUT TERMINALS.

(3) ALWAYS KEEP THE INVERTER INTAKE/OUTTAKE PORTS CLEAN, AND PROVIDE ENOUGH

VENTILATION.

(4) ALWAYS OBSERVE THE CAUTIONS LISTED IN THIS INSTRUCTION MANUAL.

• THERE MAY BE SOURCES OF NOISE AROUND THIS INVERTER AND MOTOR DRIVEN BY

THIS INVERTER. CONSIDER THE POWER SUPPLY SYSTEM, INSTALLATION PLACE AND

WIRING METHOD BEFORE INSTALLATION.

INSTALL THIS INVERTER AWAY FROM DEVICES THAT HANDLE MINUTE SIGNALS, SUCH AS

MEDICAL EQUIPMENT IN PARTICULAR. ALSO SEPARATE THE DEVICES ELECTRICALLY,

AND TAKE SUFFICIENT NOISE MEASURES.

• TAKE SUFFICIENT SAFETY MEASURES WHEN USING THIS INVERTER FOR PASSENGER

TRANSPORTATION, SUCH AS IN LIFTS (ELEVATORS).

• LONGEVITY MIGHT BECOME REMARKABLY SHORT BY THE TEMPERATURE CHANGE’S

BY THE CURRENT OF THE REPETITION ALWAYS JOINING IN THE POWER DEVICE WHEN

USED BY THE USAGE WITH HIGH REPETITION FREQUENCY OF DRIVING AND THE STOP

(ELEVATOR AND CRANE, ETC.).

WHEN USED BY SUCH A USAGE, DIRATING (FRAME RAISING OF THE INVERTER, CURRENT

DECREASE WHEN STARTING AND STOPPING, AND DECREASE OF THE CAREER FREQUENCY)

IS NEEDED.

PLEASE INQUIRE SEPARATELY ABOUT DETAILS.

PRECAUTIONS FOR SAFETY

Items to be observed to prevent physical damage or property damage and to ensure safe use of this product

are noted on the product and in this instruction manual.

●Please read this instruction manual and enclosed documents before starting operation to ensure correct

usage. Thoroughly understand the device, safety information and precautions before starting operation.

After reading, always store this manual where it can be accessed easily.

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

!DANGER : When a dangerous situation may occur if handling is mistaken leading

to fatal or major injuries.

CAUTION : When a dangerous situation may occur if handling is mistaken leading

to medium or minor injuries, or physical damage.

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

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

●This instruction manual is written on the premise that the user has an understanding of the inverter.

Installation, operation, maintenance and inspection of this product must be done by a qualified person.

Even qualified persons must undergo periodic training.

Qualified refers to satisfying the following conditions.

○The person has thoroughly read and understood this instruction manual.

○The person is well versed in the installation, operation, maintenance and inspection of this product, and

understands the possible dangers.

○The person is informed on matters related to starting, stopping, installation, locks and tag displays, and

has been trained in the operation and remedies.

○The person has been trained on the maintenance, inspection and repairs of this product.

○The person has been trained on protective tools used to ensure safety.

1. Transportation and installation

CAUTION

• Always transport the product with an appropriate amount according to the products weight.

Failure to observe this could lead to injuries.

• Install the inverter, dynamic braking unit and resistor, and other peripheral devices on

non-combustible material such as metal.

Failure to observe this could lead to fires.

• Do not place the product near inflammable items.

Failure to observe this could lead to fires.

• Do not hold the front cover while transporting the product.

Failure to observe this could lead to injuries from dropping.

• Do not let conductive materials such as screws or metal pieces and inflammable materials such as oil

enter the product.

Failure to observe this could lead to fires.

• Install the product in a place that can withstand the weight of the product, and follow the instruction

manual.

Failure to do so could lead to injuries from dropping.

• Do not install and operate an inverter that is damaged or that has missing parts.

Failure to observe this could lead to injuries.

• Always observe the conditions described in the instruction manual for the installation environment.

Failure to observe this could lead to faults.

2. Wiring

!DANGER

• Always turn the device's input power OFF before starting wiring.

Failure to do so could lead to electric shocks or fires.

• Carry out grounding that complies with the standards of the country where the inverter is being

installed.

Failure to do so could lead to electric shocks or fires.

• When using the PM motor, even if the inverter is stopped, the voltage will be generated at the output

terminal (U, V, W) during rotation. Always carry out wiring while the motor is stopped.

Failure to do so could lead to electric shocks or injuries.

• Wiring must always be done by a qualified electrician.

Failure to observe this could lead to electric shocks or fires.

• Always install the device before starting wiring.

Failure to do so could lead to electric shocks or injuries.

• Prepare a breaker such as an MCCB or fuses that matches the capacity for the inverter's power supply

side.

Failure to do so could lead to fires.

CAUTION

• Do not connect an AC power supply to the output terminals (U, V, W).

Failure to observe this could lead to injuries or fires.

• Confirm that the product's rated voltage and frequency match the power supply voltage and frequency.

Failure to do so could lead to injuries or fires.

• Install an overheating protection device on the dynamic braking unit and resistor, and shut off the

power with this fault signal.

Failure to do so could lead to fires in the event of abnormal overheating.

• Do not directly connect a resistor to the DC terminals (between L+1, L+2, and L–).

Failure to observe this could lead to fires.

• Tighten the terminal screws with the designated tightening torque.

Failure to do so could lead to fires.

• Correctly connect the output side (U, V, W).

Failure to do so could cause the motor to rotate in reverse and the machine to be damaged.

• Always correctly connect when using the encoder.

The signal polarity specifications differ according to the encoder. With reference to the item of a test

operation, please be alike with a parameter setup (C51) and adjust signal polarity more.

Failure to observe this could lead to reverse rotation or abnormal acceleration of the motor, and to

injuries or machine damage.

3. Operation

!DANGER

• Always install the front cover before turning the input power ON. Never remove the cover while the

power is ON. There are sections in the front PCB that are charged with high voltages.

Failure to observe this could lead to electric shocks.

• Never touch the switches with wet hands.

Failure to observe this could lead to electric shocks.

• Never touch the inverter’s terminals while the inverter power is ON even if the operation is stopped.

Failure to observe this could lead to electric shocks.

• Selection of the retry function could lead to unexpected restarting when alarm stops. The machine

may start suddenly if the power is turned ON when the automatic start function is selected. Do not

go near the machine.

(Design the machine so that physical safety can be ensured even if the machine restarts.)

Failure to do so could lead to injuries.

• The machine may not stop when a stop command is issued if the deceleration stop function is

selected and the overvoltage/overcurrent limit function is activated. Prepare a separate emergency

stop switch.

Failure to do so could lead to injuries.

• The unit will not suddenly restart even if the alarm is reset with the operation signal input, however,

in order to prevent unexpected operation, ensure that the operation signal is no longer being input,

and reset the alarm.

Failure to do so could lead to injuries.

CAUTION

• The heat sink and dynamic braking resistor are heated to high temperatures, so never touch them.

Failure to observe this could lead to burns.

• Do not block the inverter’s ventilation holes.

Failure to observe this could lead to fires.

• The inverter operation can easily be set from low speeds to high speeds, so confirm that the

operation is within the tolerable range for the motor or machine before making settings.

Failure to do so could lead to injuries.

• Prepare holding brakes when necessary. Holding is not possible with the inverter’s brake functions.

Failure to do so could lead to injuries.

• Confirm the operation of the motor as a single unit before operating the machine.

Failure to do so could lead to injuries or machine damage due to unforeseen movements.

Always prepare a safety backup device so that the machine is not placed in a hazardous situation

when an error occurs in the inverter.

Failure to do so could lead to injuries or machine damage or fires.

• Please do not detach the operation panel while the inverter power is ON. Please detach the

operation panel in the state of power supply OFF. When the operation panel is installed while the

inverter power is ON, the microcomputer of the inverter is occasionally reset.

vii

4. Maintenance, inspection and part replacement

!DANGER

• Always wait at least 20 minutes after turning the input power OFF before starting inspections.

Wait at least 20 minutes after turning the input power OFF before starting work. Make sure that the

displays on the operation panel have gone out before removing the front cover.

Remove the front cover, and confirm that the "CHARGE" LED on the unit has gone out. Also check

that the voltage between terminals L+1 or L+2 and L– is 15V or less before starting the inspections.

(Check with the "CHARGE" LED if the unit is not provided with the L– terminal.)

Failure to observe this could lead to electric shocks.

• Maintenance, inspections and part replacement must be done by a designated person.

(Remove all metal accessories such as watches, bracelets, etc., before starting the work.)

(Always use an insulation measure tool.)

Failure to observe this could lead to electric shocks and injuries.

• Always turn the power OFF before inspecting the motor or machine. A potential is applied on the motor

terminal even when the motor is stopped.

Failure to do so could lead to electric shocks and injuries.

• Do not use parts other than those designated for the replacement parts.

Contact your inverter dealer for replacement parts.

Failure to observe this could lead to fires.

CAUTION

• Vacuum the inverter with a vacuum cleaner to clean it. Do not use water or organic solvents.

Failure to observe this could lead to fires or damage.

5. Others

!DANGER

• Never modify the product.

Failure to observe this could lead to electric shocks or injuries.

CAUTION

• Dispose of this product as industrial waste.

viii

Cooling fan installation case

For 018L, 030H and smaller

The presence and quantity of cooling fans will differ according to the capacity.

For 022L and larger, 037H and larger

1. Delivery Inspection and Storage

1 – 1

Chapter 1 Delivery Inspection and Storage

1-1 Delivery inspection and storage

(1) Remove the inverter from the packaging, and check the details on the rating nameplate to confirm

that the inverter is as ordered. The rating nameplate is on the left side of the unit.

(2) Confirm that the product has not been damaged.

(3) If the inverter is not to be used for a while after purchasing, store it in a place with no humidity or

vibration in the packaged state.

(4) Always inspect the inverter before using after storing for a long period. (Refer to 8-1.)

1-2 Details of rating nameplate and type display method

(1) The following details are listed on the rating nameplate.

(Note 1) Refer to Chapter 9 for details on UL Instruction.

(2) Using the above type as an example, the type is displayed as follows:

VT240S-2P2H BF2V R 0 X 0 0 0

Input voltage and capacity

(Refer to Appendix 1)

VT240S-2P2HBF2-VR0X000

AC3PH 380-480V 50/60Hz

HD: 5.4A / ND: 8.6A

AC3PH 380-480V 0.1-440Hz

HD: 5.4A / ND: 8.6A

1234567890 001 01 A

Meidensha control No.

Indicates the control PCB option.

(Refer to Table 7-1-a.)

Indicates the operation panel selection.

0 : None

1 : LCD type

2 : LED type

Indicates the main circuit option.

(Refer to 7-4, 5.)

0 : Standard

F : Internal noise filter

R : With DCL

Indicates the main circuit option 1

(Refer to 7-3)

A : Standard (no options)

B : With dynamic braking resistor

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