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efesotomasyon.com -Toshiba inverter,drive,servo,plc
Industrial Inverter
For 3-phase induction motors
Instruction Manual
TOSVERT
toshiba vf-nc3 user manual pdf
<Detailed manual>
1-phase 120V class 0.1
1-phase 240V class 0.1
3-phase 240V class 0.1
1. Make sure that this instruction manual is delivered to the
end user of the inverter unit.
2. Read this manual before installing or operating the inverter
unit, and store it in a safe place for reference.
nC3
VF-
TM
0.75kW
2.2kW
4kW
NOTICE
E6581595
I
Safety
precautions
II II
Introduction
Contents
1
Read first
2
Connection
3
Operations
4
Setting
parameters
5
Main
parameters
6
Other
parameters
7
Operation
with external
signal
8
Monitoring the
operation status
9
Measures
to satisfy the
standards
10 10
Peripheral
devices
11 11
Table of
parameters
and data
12 12
Specifications
13 13
Before making
a service call
14 14
Inspection and
maintenance
15 15
Warranty
16 16
Disposal of the
inverter
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Table of Contents
Related Manuals for Toshiba VFNC3S-2022PL
Summarization of Contents
I. Safety Precautions
Explanation of Markings
Details the meaning of warning and caution symbols used in the manual.
Meanings of Symbols
Explains the visual symbols indicating prohibition, instruction, and warnings.
Limits in Purpose and Safety Precautions
Defines the intended use and critical safety measures for the inverter.
1. Read First
Check Product Purchase
Instructions to verify the received inverter matches the ordered specifications.
Contents of the Product
Explains how to interpret the product's name plate label for identification.
Names and Functions of Inverter Components
Identifies and describes the main external parts and features of the inverter unit.
Notes on Application
Provides important considerations for applying the inverter with motors and specific operations.
2. Connection
Cautions on Wiring
Lists essential warnings and mandatory steps before and during wiring the inverter.
Standard Connection Diagrams
Illustrates typical main circuit wiring configurations (sink and source logic).
Description of Power and Control Circuit Terminals
Details the function and connection requirements for power and control circuit terminals.
3. Operations
How to Set the Setup Menu
Guides the user through selecting region codes and initial inverter setup menus.
Simplified Operation Methods
Explains basic operation modes like run/stop and frequency setting via keypad or external signals.
How to Operate the VF-nC3
Provides examples of operating the inverter using the setting dial and panel keypad or external signals.
Meter Setting and Adjustment
Details how to configure and adjust the analog output (FM terminal) settings for meters.
Setting the Electronic Thermal Protection
Covers parameters for setting motor electronic thermal protection levels and characteristics.
Preset-Speed Operation (15 Steps)
Explains how to configure and use up to 15 preset speed steps via external signals.
4. Setting Parameters
Setting and Display Modes
Describes the three display modes: Standard monitor, Setting monitor, and Easy setting.
How to Set Parameters
Details the use of setting dials and keys for navigating and modifying parameters in Easy and Standard modes.
Functions for Parameter Search and Modification
Explains functions like history search and guidance for parameter management.
Checking Region Settings Selection
Describes how to check and set the region code for parameter defaults.
EASY Key Function
Explains how to switch between Standard and Easy setting modes using the EASY key.
5. Main Parameters
Searching via History Function (RUH)
Automatically searches and displays the last five modified parameters for easy review and editing.
Setting Parameters with Guidance Function (RUF)
Provides purpose-specific guided parameter setup for common applications.
Setting Acceleration/Deceleration Time
Covers manual and automatic settings for acceleration and deceleration times.
Selection of Operation Mode
Explains how to select command and frequency setting modes via panel, terminal, or communication.
Forward/Reverse Run Selection (Panel Keypad)
Details how to configure motor rotation direction using the operation panel's RUN/STOP keys.
Maximum Frequency Setting
Defines the maximum output frequency range and its use as an acceleration/deceleration reference.
Upper and Lower Limit Frequencies
Sets the minimum and maximum output frequencies to define the operating range.
Base Frequency Settings
Configures base frequency and voltage, crucial for constant torque control area definition.
Selecting Control Mode (V/F Control)
Explains how to select different V/F control modes like constant, variable torque, and vector control.
Manual Torque Boost for Low Speeds
Describes how to increase torque at low speeds by adjusting the torque boost rate.
6. Other Parameters
Input/Output Parameters
Covers parameters related to low-speed signals and output terminal selections.
Input Signal Selection
Details selecting priority for input signals and changing VI terminal functions.
Setting Frequency Command
Explains how to switch frequency commands and set their characteristics via analog or logic inputs.
DC Braking Control
Covers parameters for setting DC braking starting frequency, current, and time for effective braking.
Protection Functions Overview
Details parameters for motor electronic thermal protection, stall prevention, and inverter trip retention.
Communication Function (RS485)
Explains RS485 communication setup, parameters, and connection examples.
7. Operations with External Signal
Operating External Signals
Guides on controlling the inverter using external signals for run/stop and frequency commands.
Applied Operations via I/O Signals (Terminal Block)
Details input terminal functions for contact and logic inputs from external controllers.
Speed Instruction via Analog Signals
Explains settings for speed control using analog voltage (0-10V, 0-5V) and current (4-20mA) inputs.
8. Monitoring the Operation Status
Flow of Status Monitor Mode
Illustrates the navigation path through different monitor modes using the MODE key.
Status Monitor Mode Details
Describes how to monitor inverter status like frequency, current, voltage, and terminal states.
Display of Trip Information
Explains how to view trip codes and detailed information for past or current faults.
9. Measures to Satisfy Standards
Coping with CE Directive Requirements
Explains how to ensure compliance with European EMC and low-voltage directives.
Measures for EMC Directive Compliance
Provides specific installation and wiring recommendations to meet EMC standards.
Compliance with UL and CSA Standards
Outlines requirements for installation, connection, and peripheral devices for UL/CSA certification.
10. Peripheral Devices
Wiring Materials and Device Selection
Provides tables for selecting appropriate wire sizes, fuses, and circuit breakers for power circuits.
Magnetic Contactor Installation
Details the installation of magnetic contactors in primary and secondary circuits for motor control.
Overload Relay Installation
Explains when and how to install overload relays for motor protection.
Optional External Devices
Lists and illustrates optional external devices available for the inverter system.
11. Table of Parameters and Data
User Parameters Overview
Lists user-configurable parameters, their functions, and default settings.
Basic Parameters Reference
Provides a comprehensive list of basic parameters, functions, and their settings.
Extended Parameters Reference
Details extended parameters for advanced functions, input/output, and motor settings.
Default Settings by Inverter Rating
Lists default parameter values based on the inverter model and motor capacity.
Default Settings by Setup Menu
Shows default parameter settings based on selected region codes (Europe, North America, Asia, Japan).
Input Terminal Functions Guide
Lists all available functions that can be assigned to input terminals for flexible control.
Output Terminal Functions Guide
Lists all available functions that can be assigned to output terminals for status indication.
12. Specifications
Standard Specifications by Model
Provides detailed electrical and mechanical specifications for various inverter models.
Outside Dimensions and Mass
Shows the physical dimensions and approximate weight of the inverter models.
13. Before Making a Service Call
Trip Causes, Warnings, and Remedies
Lists common inverter trip causes, possible problems, and recommended remedies for troubleshooting.
Restoring the Inverter from a Trip
Explains methods to reset the inverter after a trip occurs, including panel and external signal operations.
Troubleshooting: Motor Not Running (No Trip Message)
Provides a flowchart for diagnosing issues when the motor doesn't run but no trip message is displayed.
Determining Causes of Other Problems
Lists common operational problems, their causes, and suggested remedies for systematic diagnosis.
14. Inspection and Maintenance
Regular Inspection Procedures
Outlines daily and periodic checks for maintaining the inverter's environment and performance.
Periodical Inspection Items
Details specific checks for terminals, wiring, cleanliness, and insulation tests.
Making a Call for Servicing
Provides guidance on what information to supply when contacting Toshiba for service.
Keeping the Inverter in Storage
Offers precautions for storing the inverter temporarily or for extended periods to maintain its condition.
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