EasyManua.ls Logo

MEIDEN THYFREC-VT240S User Manual

Default Icon
431 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
————————
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. 2006 ST-3450
INSTRUCTION MANUAL
Công ty TNHH đin t công nghip RITECH
Chuyên cung cp dch v sa cha: biến tn, Servo, Máy CNC, Khi động mm...
Hotline h tr k thut: 0979578581
Website: ritech.vn
Vi đội ngũ k thut lâu năm kinh nghim trong ngh trc tiếp sa cha không qua trung gian

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the MEIDEN THYFREC-VT240S and is the answer not in the manual?

MEIDEN THYFREC-VT240S Specifications

General IconGeneral
Output Frequency0-400Hz
Rated Capacity240kVA
Cooling MethodForced air cooling
Control MethodPWM Control
Protection FeaturesOvervoltage, Undervoltage, Short Circuit
Communication InterfaceRS-485
Ambient Temperature-10 to +50°C
Storage Temperature-20 to 65°C
Humidity5% to 95% (non-condensing)
AltitudeUp to 1000 m above sea level
Input Voltage3-phase 380-480V AC 50/60Hz

Summary

Preface

WARNING

Important safety warnings regarding high voltage and potential hazards during operation and maintenance.

Chapter 1 Delivery Inspection and Storage

1-1 Delivery inspection and storage

Procedures for inspecting and storing the inverter after purchase to ensure correct usage and prevent damage.

1-2 Details of rating nameplate and type display method

Explanation of information presented on the inverter's rating nameplate and how to interpret the model type.

Chapter 2 Installation and Wiring

2-1 Installation environment

Guidelines for selecting a suitable installation location, considering temperature, humidity, and environmental factors.

2-2 Installation and wiring method

Step-by-step instructions for physically installing the inverter and connecting wiring, detailing procedures for different unit sizes.

2-3 Precautions for power supply and motor wiring

Critical safety precautions and guidelines for connecting power supply and motor wiring to prevent electric shock, fires, or damage.

2-4 Precautions for wiring to the control signal

Guidelines for wiring control signals, including wire types, lengths, and precautions to prevent interference or incorrect operation.

Chapter 3 Test Operation and Adjustment

3-1 Flow of test operation

A flowchart outlining the sequence of steps for performing test operations and adjustments before initial use.

3-2 Preparation before turning power ON

Essential checks and preparations required before applying power to the inverter and motor to ensure safe and correct operation.

3-3 Control modes

Explanation of the four available control modes and two overload modes, and how to select them using parameter C30-0.

3-4 Automatic tuning and test operation

Procedures for using the automatic tuning function to optimize motor parameters for best performance across different control modes.

3-4-1 V/f control (C30-0 f0 = 1) automatic tuning and test operation

Detailed steps and modes for performing automatic tuning for V/f control, including simple and high-function adjustment modes.

3-4-2 IM speed sensor-less vector control (C30-0 f0 = 2) and IM vector control with speed sensor (C30-0 f0 = 3) automatic tuning test operation

Procedures for automatic tuning of IM motor control modes, covering sensor-less vector and vector control with sensor.

3-4-3 Automatic tuning and test operation for PM motor with sensor control (C30-0 f0 = 4)

Steps for automatic tuning and test operation specifically for PM motors with sensor control, including preparation and procedure details.

3-4-4 Magnetic pole position estimation function and test operation for PM motor with sensor control (C30-0 f0 = 4)

Instructions for adjusting the magnetic pole position estimation function, crucial for PM motor control accuracy.

3-4-5 Automatic tuning error messages

A list of potential automatic tuning error codes, their causes, and recommended countermeasures.

Chapter 4 Operation Panel

4-1 Outline of operation panel types and functions

Overview of the two types of operation panels (LCD and LED) and their general functions and configurations.

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

Detailed explanation of operations and displays specific to the LCD panel, including data display and character scrolling.

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

Explanation of how to operate and display parameters and settings using the LED panel.

4-4 Customizing block-B, C parameter

Instructions on how to assign and change Block-B and Block-C parameters using Block-A settings.

4-5 Changing modes

Explanation of how parameters differ based on control modes (V/f, IM vector, PM motor) and parameter organization by block.

Chapter 5 Control Input/Output

5-1 Input/output terminal function

Detailed description of the terminal block functions for control input and output signals.

5-2 Control input/output circuit

Examples of control input/output circuit wiring with associated precautions.

5-3 Programmable sequence input function (PSI)

Explanation of sequence signal input contacts and their default assignments for functions like forward run, reverse run, and emergency stop.

5-4 Programmable sequence output function (PSO)

Details on the standard sequence output channels (relay and open collector) and their programmable functions.

5-5 Sequence input logic

A diagram illustrating the logic for sequence inputs, including basic operation and auxiliary operation paths.

5-6 Changing of terminal functions

How to assign and monitor sequence input and output terminals using parameters.

5-7 Programmable input function (PI)

Explanation of the types of analog inputs available and how to assign them to internal setting signals.

5-8 Programmable output function (P0)

Description of the analog output channels (A01, A02) and how to select voltage or current output modes.

5-9 Selecting the setting data

Overview of how to select speed and torque settings using parameters or sequence inputs.

Chapter 6 Control Functions and Parameter Settings

6-1 Monitor parameters

Description of various monitor parameters that display inverter status, motor speed, current, voltage, and other operational data.

6-2 Block-A parameters

Grouping of frequently used parameters related to frequency setting, acceleration/deceleration, torque boost, and DC brake.

6-3 Block-B parameters

Detailed listing of parameters for basic functions, extended functions, and software options, covering motor circuit constants and automatic tuning.

6-4 Block-C parameters

Parameters for basic, extended, and hardware option functions, including control methods, input/output terminals, and communication settings.

6-5 Block-U parameters (Utility mode) list

Parameters related to utility mode functions such as parameter copy, password settings, and built-in PLC functions.

6-6 Function explanation

Detailed explanations of various monitor parameters, including output frequency, motor speed, current, and fault status.

6-7 Setting the overload mode

Guidelines for selecting overload modes (Normal-duty, Heavy-duty) based on load and unit capacity.

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

Explanation of the IM vector control speed system and parameters related to speed regulation, torque limiting, and filters.

6-9 Adjusting the PM motor control system parameters

Details on parameters specific to PM motor control, including circuit constants, current regulator, and weak field current settings.

6-10 Operating the auxiliary drive motor

How to operate an auxiliary drive motor by switching control modes and selecting auxiliary drive numbers using sequence inputs.

6-11 Built-in PLC Function

Overview of the VT240S's built-in PLC function, its features, processing system, and related parameters.

6-12 Explanation of standard serial and Modbus communication

Information on standard serial and Modbus communication protocols, connection methods, and transmission procedures.

Chapter 7 Options

7-1 Outline of options

Overview of available stand-alone options and main circuit wiring devices for the VT240S Series.

7-2 Built-in PCB option

Description of the built-in PCB options (I, II, III) mounted on the control PCB for expanded functionality.

7-3 Dynamic braking (DB) option

Information on the dynamic braking option, including built-in DB circuits and external DB resistors.

7-4 ACL and DCL

Details on selecting and outlining ACL (Active Current Limiter) and DCL (DC Link) options for harmonic suppression and power factor improvement.

7-5 EMI filter

Guidelines for selecting and installing EMI filters to ensure EMC compliance for various unit sizes and environments.

Chapter 8 Maintenance and Inspection

8-1 Inspection items

Periodic and daily inspection items to ensure the VT240S operates correctly and safely, covering environmental conditions and component checks.

8-2 Measuring devices

Recommended measuring devices and circuits for accurately measuring voltage, current, and power, considering harmonic distortion.

8-3 Protective functions

Description of the inverter's built-in protective functions, such as overcurrent, overvoltage, and phase failure detection.

8-4 Troubleshooting with fault display

A guide to identifying and resolving common faults displayed on the inverter, including causes and countermeasures.

8-5 Troubleshooting with no fault display

Guidance for diagnosing and resolving issues that occur without a specific fault code being displayed.

Chapter 9 Compatible Standards

9-1 UL/cUL Standards

Important considerations for using the inverter as a UL/cUL standard compatible product, covering ambient temperature, wiring, and protection.

9-2 CE Marking

Information on meeting EMC and Low Voltage Directives, including installation environment and filter requirements.

9-2-3 Input filters and their connections

Guidelines for selecting and connecting input filters to ensure EMC compliance, including maximum distances.

9-2-4 Choosing and installing power cables

Recommendations for selecting and installing power cables, including screened cables and proper termination.

9-2-5 Choosing and connecting control leads

Guidelines for selecting and wiring control leads, emphasizing screening and separation from power cables.

9-2-6 Earthing method

Proper earthing methods for the drive, motor, and filters to ensure safety and minimize electromagnetic interference.

9-2-7 EMI and EMS

Explanation of EMC directives concerning immunity and emission requirements for electrical drives.

9-2-8 Considerations to measuring devices

Advice on using CE-marked measuring devices and potential EMC compliance testing for export.

9-2-9 Installation into a metal cabinet

Method for installing the inverter in a metal cabinet to achieve higher EMC compliance levels.

9-2-10 Selecting and fitting of filters and ferrite cores for the installation

Guidance on selecting and fitting EMI filters and ferrite cores to meet EMC requirements.

Appendix

Appendix 1 Type Description System

System specifications for VT240S drives, including rated capacity, current, voltage, and optional features.

Appendix 2 Outline Dimension Drawings

Mechanical outline dimensions and weight specifications for various VT240S inverter models.

Appendix 3. Fault Codes

A comprehensive list of fault codes, their display symbols, descriptions, and retry possibilities.

Appendix 4. Display Messages

Explanation of various display messages shown on the operation panel during different modes and events.

Appendix 5. Segment LED Display

Visual representation of numeric and alphabetic characters displayed on the segment LED panel.

Revision history

Revision history

A table detailing revisions made to the document, including page numbers, revision details, and software versions.