Hitachi SJ700-4000HFU2 User Manual

HITACHI INVERTER
SJ700D-3 SERIES
INSTRUCTION MANUAL
Read through this Instruction Manual, and keep it handy for future reference.
NT231X

Hitachi SJ700-4000HFU2 Specifications

General

Model	SJ700-4000HFU2
Input Frequency	50/60 Hz ±5%
Output Frequency	0.1 - 400 Hz
Rated Output Capacity	400 kVA
Overload Capacity	150% for 60 seconds
Cooling Method	Forced Air Cooling
Operating Temperature	-10°C to +50°C
Storage Temperature	-20°C to +65°C
Enclosure Rating	IP20
Input Voltage	380V - 480V
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overheat
Communication Interface	RS-485 (Modbus RTU)
Ambient Humidity	5% to 95% (non-condensing)
Control Method	Sine wave PWM control

Summary

Chapter 1 Overview

1.1 Inspection of the Purchased Product

Describes how to inspect the inverter after unpacking for damage and completeness.

1.2 Method of Inquiry and Product Warranty

Explains how to inquire about product issues and details the product warranty terms and exclusions.

1.3 Exterior Views and Names of Parts

Shows an exterior view of the inverter and identifies its main parts and terminals.

Chapter 2 Installation and Wiring

2.1 Installation

Describes how to install the inverter and provides general installation precautions.

2.2 Wiring

Details the wiring of main circuit and control signal terminals with examples.

Chapter 3 Operation

3.1 Operating Methods

Describes typical methods of operating the inverter and the items required for operation.

3.2 How To Operate the Digital Operator (OPE-SBK)

Explains how to operate the inverter using the digital operator and its components.

3.3 How To Make a Test Run

Guides through the process of making a test run of the inverter with external devices.

3.5 Basic Parameter Setting to Drive Motor

Covers basic parameter settings needed to drive the motor with the inverter.

Chapter 4 Explanation of Functions

4.1 Monitor Mode

Explains how to use the monitor mode to check various inverter operating parameters.

4.2 Function Mode

Covers various function modes for setting inverter parameters, including output frequency and rotational direction.

4.4 Communication Functions

Details communication functions, including ASCII and Modbus-RTU protocols.

Chapter 5 Error Codes

5.1 Error Codes and Troubleshooting

Describes inverter error codes, their indications, and troubleshooting methods.

Chapter 6 Maintenance and Inspection

6.1 Precautions for Maintenance and Inspection

Outlines essential safety precautions before performing maintenance, inspection, or parts replacement.

6.2 Daily and Periodic Inspections

Describes daily inspection checks and periodic inspection procedures for ensuring proper inverter operation.

6.5 Method of Checking the Inverter and Converter Circuits

Details how to check the quality of inverter and converter circuits using a tester.

Chapter 7 Specifications

7.1 Specifications

Details the specifications of the inverter for 200 V class and 400 V class models, including capacity, voltage, and current ratings.

7.2 External dimensions

Provides external dimensions for various SJ700D models.

Chapter 8 List of Data Settings

8.1 Precautions for Data Setting

Provides important precautions to follow before setting data or parameters in the inverter.

8.2 Monitoring Mode

Explains how to change the initial display content of the operator after powering on.

8.3 Function Mode

Lists function codes related to output frequency setting, keypad run key routing, and rotational direction restriction.

8.4 Extended Function Mode

Lists extended function modes that are available for advanced configurations.

Appendix

Upgrading from the SJ300 Series

Provides guidance on upgrading from the SJ300 series, including control circuit terminal block replacement and parameter copying.