EasyManua.ls Logo

Mitsubishi Electric FR-E740-7.5K-NE User Manual

Mitsubishi Electric FR-E740-7.5K-NE
66 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
FR-E700
INSTRUCTION MANUAL (BASIC)
FR-E720-0.1K to 15K-NE
FR-E740-0.4K to 15K-NE
FR-E720S-0.1K to 2.2K-NE
INVERTER
Ethernet communication function
IB(NA)-0600712ENG-B(1706)MEE Printed in Japan Specifications subject to change without notice.
5
6
7
8
9
4
3
2
1
700
10
HEAD OFFICE: TOKYO BUILDING 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN
CONTENTS
OUTLINE ...................................................................................1
INSTALLATION AND WIRING ................................................... 6
PRECAUTIONS FOR USE OF THE INVERTER ........................20
FAILSAFE OF THE SYSTEM WHICH USES THE INVERTER ...23
DRIVING THE MOTOR ............................................................24
ENERGY SAVING OPERATION FOR FANS AND PUMPS ........35
PARAMETERS .........................................................................36
TROUBLESHOOTING ..............................................................41
PRECAUTIONS FOR MAINTENANCE AND INSPECTION........46
SPECIFICATIONS....................................................................48
Thank you for choosing this Mitsubishi Electric Inverter.
This Instruction Manual (Basic) provides handling information and precautions for use of the equipment.
Please forward this Instruction Manual (Basic) to the end user.
To obtain the related manuals
Contact where you purchased the inverter, your Mitsubishi Electric sales
representative, or the nearest Mitsubishi Electric FA Center for the
following manuals:
FR-E700 Instruction Manual (Applied) [IB(NA)-0600277ENG]
FR-E700-NE Ethernet Function Manual [IB(NA)-0600724ENG]
These manuals are required if you are going to utilize functions and
performance.
The PDF manuals are also available for download at the Mitsubishi
Electric FA Global Website (URL: http://www.MitsubishiElectric.co.jp/fa).
1
2
3
4
5
6
7
8
9
10

Questions and Answers:

Mitsubishi Electric FR-E740-7.5K-NE Specifications

General IconGeneral
ModelFR-E740-7.5K-NE
SeriesFR-E700
Rated Output Power (kW)7.5
Input Frequency (Hz)50/60
Overload Capacity150% for 60 seconds
Protection DegreeIP20
Output Frequency (Hz)0-400
Control MethodV/F control, vector control
ProtectionOvercurrent, overvoltage, undervoltage, overheating
Cooling MethodFan cooled

Summary

General Safety Precautions

Electric Shock Prevention

Precautions and warnings to prevent electric shock during operation and maintenance.

Fire Prevention

Hazards and precautions to prevent fire, including installation and component safety.

Injury Prevention

Warnings regarding incorrect voltage application, wiring, and hot surfaces.

Wiring and Operation Precautions

Wiring Precautions

Warnings about connecting capacitors, surge suppressors, and cable routing.

Operation Panel Functions

Operation Panel Components

Details the names and functions of indicators, buttons, and displays on the operation panel.

Parameter Adjustment and Reset

Installation and Wiring

Power Supply and Peripheral Connections

Illustrates connections for AC power supply, reactors, noise filters, and brake units.

Terminal Connection Diagram

Provides a detailed diagram of main circuit and control circuit terminal connections for various functions.

Inverter Installation Guidelines

Wiring and Terminal Specifications

Control Circuit Terminal Connections

Diagram and explanation of terminal connections for control signals, analog inputs, and communication.

Terminal Specifications

A comprehensive table listing terminal symbols, names, specifications, and descriptions for main and control circuits.

Main Circuit Wiring Diagrams

Wiring Diagrams by Model

Illustrates main circuit wiring connections for various three-phase 200V/400V and single-phase 200V inverter models.

Wiring Configurations

Wiring Examples by Model

Provides specific wiring diagrams for different inverter series and capacities, emphasizing correct connections.

Cable Sizing and Specifications

Control Circuit Wiring

External Brake Resistor Connection

Brake Resistor Connection Details

Instructions for connecting dedicated brake resistors and recommended parameter settings.

Inverter Usage Precautions

General Usage Safety

Essential checks before operation, including crimp terminals, output wiring, wire offcuts, and cable sizing.

Advanced Usage Precautions

Circuit Fault Prevention

Precautions against output side short circuits, earth faults, and ensuring proper insulation resistance.

Inverter Operation and Selection Precautions

System Failsafe Design

Inverter Status Output Interlocks

Methods to use inverter status output signals for interlocks to detect alarms and ensure safety.

External Backup Systems

Strategies for backup systems outside the inverter to ensure failsafe operation even if the inverter fails.

Motor Operation Control

PU Operation: Start/Stop and Frequency Setting

How to start, stop, and set frequency using the inverter's operation panel.

Setting Frequency via Operation Panel

Step-by-step guide to set the frequency using the operation panel's monitor and setting dial.

Setting Dial Operation

Setting Dial as Potentiometer Mode

Instructions to configure and use the setting dial as a potentiometer for frequency control.

Multi-Speed Frequency Control

Analog Input Frequency Control

External Operation Control

External Multi-Speed Control

External Analog Input Control

Frequency Setting via Analog Input

Guide on setting frequency using analog voltage or current inputs with external terminals.

Potentiometer Frequency Adjustment

Advanced Motor Control Modes

Advanced Magnetic Flux Vector Control

Explains how to select and configure Advanced Magnetic Flux Vector Control for improved torque and speed response.

General-Purpose Magnetic Flux Vector Control

Details on using General-Purpose Magnetic Flux Vector Control, similar to older series, for improved performance.

Advanced Flux Vector Control Setup

Selecting Advanced Flux Vector Control

Step-by-step guide for selecting and setting up Advanced Magnetic Flux Vector Control, including motor parameters.

General-Purpose Flux Vector Control Setup

Energy Saving Operation

Parameter Reference

Troubleshooting and Fault Reset

Troubleshooting Fault Indications

Explains fault indications, error messages, warnings, and alarms.

Resetting Protective Functions

Methods to reset protective functions after a fault occurs, including panel, signal, and power reset.

Inverter Fault and Alarm Codes

List of Fault/Alarm Displays and Corrective Actions

A table detailing common fault/alarm displays, their descriptions, and corrective actions.

Fault Descriptions and Causes

Overcurrent and Overvoltage Faults

Explains causes and corrective actions for overcurrent and regenerative overvoltage trips.

Specific Fault Conditions

Phase Loss and Stall Prevention Faults

Covers faults related to input/output phase loss, stall prevention, and brake transistor alarms.

Initial Troubleshooting Checks

Common Troubleshooting Scenarios

Lists common problems like motor not starting, noise, or incorrect rotation, with countermeasures.

Maintenance and Inspection Precautions

Parts Replacement and Lifespan

Common Technical Specifications

Product Warranty Information

Related product manuals