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Hitachi WJ C1 Series User Manual

Hitachi WJ C1 Series
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NT361X
User's Guide
HITACHI Inverter
WJ Series C1
Read this "User's Guide", and keep it handy for future reference.
S E R I E S
WJ
Introduction/Cautions
Contents
1 Safety Instructions/Risks
2 Outline of This User's Guide/
Procedure for Operation
3 Main Body of the Product
4 Installation
5 Wire Connection
6 Operation Check/Residual Risk
7 Keypad and Related Functions
8 Mandatory setting for Motor Drive and
Test Run
9 Inverter Functions
10 Monitor Functions
11 RS485 Communication
12 ProDriveNext/EzSQ
13 Option Board
14 Safety Function STO
15 Tips/FAQ/Troubleshooting
16 Maintenance and Inspection
17 Specifications/Dimensions/Derating
18 List of Parameters/Modbus Coil/
Register Numbers
Appendix
Replacement from WJ200
Check
Necessary
Mandatory

Table of Contents

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Hitachi WJ C1 Series Specifications

General IconGeneral
BrandHitachi
ModelWJ C1 Series
CategoryInverter
LanguageEnglish

Summary

Introduction and Cautions

S.2 Cautions

Provides precautions for proper use and general warnings regarding the inverter's operation and documentation.

S.3 Product Warranty and Inquiry

Details product warranty terms, inquiry procedures, and limitations of liability.

Chapter 1 Safety Instructions/Risks

1.1 Warning Indications and Symbols

Explains the severity levels of safety precautions and the meaning of various warning symbols used.

1.2 Cautions

Details general cautions and specific precautions for installation, wiring, operation, maintenance, and disposal.

Chapter 3 Main Body of the Product

Chapter 4 Installation

4.1 Installation Environment

Details precautions for installation, including transportation, ambient temperature, humidity, ambient air, and mounting methods.

Chapter 5 Wire Connection

5.2 Main Circuit Terminal

Describes the configuration of the main circuit terminal block, including terminal symbols, names, and descriptions.

5.4 Control Circuit Terminal

Details the configuration of control circuit terminals, including wiring examples and electrical specifications.

Chapter 7 Keypad and Related Functions

Chapter 8 Mandatory Setting for Motor Drive and Test Run

8.1 Mandatory Setting for Operation

Outlines essential parameters for motor and inverter operation, including load rating, motor specifications, and electronic thermal settings.

8.2 Test Run

Describes procedures for performing test runs with the motor only and with a machine load to confirm proper operation.

8.3 Carrying Out Motor Auto-tuning

Details the procedure for auto-tuning to measure motor constants, especially for unknown motors or when performance needs optimization.

Chapter 9 Inverter Functions

9.1 Selecting RUN Command and Alarm Reset

Describes various types of RUN commands and how to reset alarms.

9.2 Selecting Frequency Command

Explains different methods for selecting frequency commands, including keypad, analog inputs, communication, and pulse inputs.

9.3 Using Motor Acceleration/Deceleration Function

Details how to change acceleration and deceleration times, patterns, and use two-stage settings.

9.5 Selecting Control Mode for the Motor and Load

Discusses available motor control modes like V/f control, sensorless vector control, and their applications.

9.9 Using Trip Prevention Functions

Details functions for preventing trips like overload restriction, overcurrent suppression, overvoltage suppression, and handling power failures.

9.14 Performing Positioning Operation (Simple Position Control Function)

Details the simple position control function, including homing, multistage positioning, and brake control.

Chapter 10 Monitor Functions

10.5 Check Trip and Warning Related Information

Guides on monitoring trip counts, trip history, and warning information.

Chapter 11 RS485 Communication

Chapter 12 ProDriveNext/EzSQ

Chapter 14 Safety Function STO

14.1 Using the Safety Function STO (Safe Torque Off)

Explains the STO function, its wiring, operation, and state monitor output.

Chapter 15 Tips/FAQ/Troubleshooting

15.2 Troubleshooting for Protection Functions Related Error

Lists error codes, their descriptions, possible causes, and countermeasures for protection function related errors.

Chapter 16 Maintenance and Inspection

Chapter 17 Specifications/Dimensions/Derating

Chapter 18 List of Parameters/Modbus Coil/Register Numbers

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