Hitachi SJ700-2 Series service manual Table of contents

Models: SJ700-2 Series

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Table of contents

Chapter 1 Investigation of the inverter

1.1Spesification label(Model name,manufacturing number:MFG) ················································1 - 1

1.1.1Model name, ················································································································1 - 1

1.1.2MFG number················································································································1 - 1

1.2Precautions for Data Setting·····································································································1 - 2

1.2.1Monitor Mode···············································································································1 - 2

1.2.2Function Mode·············································································································1 - 3

1.2.3Extended Function Mode ····························································································1 - 4

1.3Code display system and key operations·················································································1 - 20

1.3.1Example of operation in basic display mode(“b037”=”04”[factory setting])·················1 - 21

1.3.2Example of operation in full display mode(“b037”=”00”[factory setting])·····················1 - 23

1.3.3Code/data display and key operator in extended function mode U ····························1 - 24

Chapter 2 Troubleshooting

2.1Inverter trip contents,remedy,advise·························································································2 - 1

2.2Option board error codes··········································································································2 - 5

2.2.1Error indications by protective functions with the feedback option board (SJ-FB) mounted

·································································································································2 - 5

2.2.2Error indications by protective functions with the digital option board (SJ-DG) mounted

·································································································································2 - 6

2.2.3Error indications by protective functions with the DeviceNet option board (SJ-DN) mounted

·································································································································2 - 7

2.2.4Error indications by protective functions with the easy sequence function used········2 - 8

2.3Trip conditions monitoring········································································································2 - 9

2.4Warning Codes·························································································································2 -10

2.5Initialization setting················································································································2 -11

Chapter 3 Debug Mode

3.1Monitor Modes ··························································································································3 - 1

3.2Function Modes ························································································································3 - 2

3.3How To Reference the Data Area (d105) Corresponding to Trip History··································3 - 2

3.4Inverter Setting ·························································································································3 - 3

3.4.1Setting procedure········································································································3 - 3

3.4.2Confirming the completion of initialization···································································3 - 4

Chapter 4 The check of control power supply voltage and a control signal

4.1Control power supply ················································································································4 - 1

4.2Control signal····························································································································4 - 1

Chapter 5 Maintenance and Inspection

5.1Precautions for Maintenance and Inspection ···········································································5 - 1

5.1.1Daily inspection············································································································5 - 1

5.1.2Cleaning·······················································································································5 - 1

5.1.3Periodic inspection·······································································································5 - 1

5.2Daily and Periodic Inspections·································································································5 - 2

5.3Ground Resistance Test with a Megger ···················································································5 - 3

5.4Withstand Voltage Test·············································································································5 - 3

5.5Method of Checking the Inverter and Converter Circuits·························································5 - 4

5.6Replacing Parts························································································································5 - 5

5.7Inverter Replacement···············································································································5 - 8

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Hitachi SJ700-2 Series service manual Table of contents