YASKAWA FSDrive-MV1000 Series User manual

FSDrive-MV1000
Instructions
MANUAL NO. TOEP C710687 02B
To properly use the product, read this manual thoroughly and retain
for easy reference, inspection, and maintenance. Ensure the end user
receives this manual.
Class: 2 kV, 3 kV, 4 kV, 6 kV, and 11 kV
Receiving
Mechanical Installation
Electrical Installation
Troubleshooting
Options
Specifications
Standards Compliance
4
5
6
7
8
A
B
C
D
E
1
2
3
4
5
6
7
A
B
C
Start-Up Programming &
Operation
Periodic Inspection &
Maintenance
MEMOBUS/Modbus
Communications
Super Energy-Saving Medium-Voltage AC Drive

2YASKAWA ELECTRIC TOEP C710687 02B FSDrive-MV1000 Instructions
Copyright ©2012 YASKAWA ELECTRIC CORPORATION.
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted,
in any form, or by any means, mechanical, electronic, photocopying, recording, or otherwise, without the prior
written permission of Yaskawa. No patent liability is assumed with respect to the use of the information
contained herein. Moreover, because Yaskawa is constantly striving to improve its high-quality products, the
information contained in this manual is subject to change without notice. Every precaution has been taken in
the preparation of this manual. Nevertheless, Yaskawa assumes no responsibility for errors or omissions.
Neither is any liability assumed for damages resulting from the use of the information contained in this
publication.

YASKAWA ELECTRIC TOEP C710687 02B FSDrive-MV1000 Instructions 3
Table of Contents
i. PREFACE AND GENERAL SAFETY ........................................................................ 9
i.1 Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Applicable Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Terms and Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
i.2 General Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Supplemental Safety Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Drive Label Warning Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
i.3 Mechanical Interlock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
i.4 Notes on Using Drives. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
General Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
i.5 Notes on Motor Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Existing Standard Motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
i.6 Warranty Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Warranty Period . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Scope of Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Restrictions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
1. RECEIVING .............................................................................................................. 23
1.1 Section Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
1.2 General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
FSDrive-MV1000 Model Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Control Mode Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
1.3 Model Number and Nameplate Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Nameplate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Drive Model Number Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
1.4 Component Names and Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
External Appearance and Internal Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Digital Operator, Communications Connector, and Internal Layout for Control Panel. 35
Transformer Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Power Cell Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

4YASKAWA ELECTRIC TOEP C710687 02B FSDrive-MV1000 Instructions
2. MECHANICAL INSTALLATION ............................................................................... 39
2.1 Section Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
2.2 Mechanical Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Installation Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Installation Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Drive Transportation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Side-by-Side Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Installing Cooling Exhaust Covers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Installing a Drive on a Floor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
2.3 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
2.4 Storing Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
Short Term Storage of Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
Long Term Storage of Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
3. ELECTRICAL INSTALLATION ................................................................................ 73
3.1 Section Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74
3.2 Standard Connection Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Class: 2 kV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
Class: 3 kV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78
Class: 4 kV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
Class: 6 kV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
Class: 11 kV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
3.3 Terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
3.4 Cable Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
Main Circuit Cable Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
Cable Routing Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
3.5 Main Circuit Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
Main Circuit Terminals (Common to All Capacities) . . . . . . . . . . . . . . . . . . . . . . . . . . .90
Wire Gauges and Tightening Torques. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Main Circuit Terminal and Motor Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
3.6 Control Circuit Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Control Circuit Terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
Control Circuit Terminal Layout and Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . .101
Wiring the Control Circuit Terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
3.7 Connecting to a PC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
3.8 External Interlock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Drive Ready. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104
3.9 Wiring Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Checks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105
4. START-UP PROGRAMMING & OPERATION ....................................................... 107
4.1 Section Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
4.2 Using the Digital Operator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .109
Keys and Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
LCD Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
ALARM (ALM) LED Displays. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
LO/RE LED and RUN LED Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Menu Structure for Digital Operator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
4.3 The Drive and Programming Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
Navigating the Drive and Programming Modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
Changing Parameter Settings or Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Verifying Parameter Changes: Verify Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Switching between LOCAL and REMOTE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118
Setup Group Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

YASKAWA ELECTRIC TOEP C710687 02B FSDrive-MV1000 Instructions 5
4.4 Start-Up Flowcharts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Flowchart A: Basic Start-Up and Motor Tuning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Subchart A-1: Parallel Operation of Multiple Motors by V/f Control . . . . . . . . . . . . . . 121
Subchart A-2: High Performance Operation Using OLV or CLV. . . . . . . . . . . . . . . . . 122
4.5 Powering Up the Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Powering Up the Drive and Status Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
4.6 Auto-Tuning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Types of Auto-Tuning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Before Auto-Tuning the Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Auto-Tuning Interruption and Fault Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Auto-Tuning Operation Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Parameter Settings during Auto-Tuning for Induction Motors. . . . . . . . . . . . . . . . . . . 127
4.7 No-Load Operation Test Run. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
No-Load Operation Test Run . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
4.8 Test Run with Load Connected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Test Run with the Load Connected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
4.9 Checking and Saving Parameter Default Values . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Saving User Default Values: o2-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Parameter Access Level: A1-01 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Password Settings: A1-04, A1-05. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Copy Function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
5. TROUBLESHOOTING ........................................................................................... 137
5.1 Section Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
5.2 Motor Performance Fine-Tuning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Fine-Tuning V/f Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Fine-Tuning Open Loop Vector Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Fine-Tuning Closed Loop Vector Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Parameters to Minimize Motor Hunting and Oscillation . . . . . . . . . . . . . . . . . . . . . . . 142
5.3 Types of Faults, Alarms, and Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Types of Faults, Alarms, and Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Fault, Alarm and Error Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
5.4 Fault Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Fault Displays, Causes, and Possible Solutions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
5.5 Alarm Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Alarm Codes, Causes, and Possible Solutions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
5.6 Operator Programming Error. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
oPE Codes, Causes, and Possible Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
5.7 Auto-Tuning Fault Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Auto-Tuning Codes, Causes, and Possible Solutions . . . . . . . . . . . . . . . . . . . . . . . . 174
5.8 LED Indicators on the Controller and Cell Control Board . . . . . . . . . . . . . . . . . . 177
LED Indicators on the Controller. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
LED Indications on the Cell Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
5.9 Copy Function Related Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Tasks, Errors, and Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
5.10 Diagnosing and Resetting Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Fault Occurs Simultaneously with Power Loss. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
If the Drive Still has Power After a Fault Occurs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Viewing Fault Trace Data After Fault . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Fault Reset Methods. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182

6YASKAWA ELECTRIC TOEP C710687 02B FSDrive-MV1000 Instructions
5.11 Troubleshooting without Fault Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Common Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .183
Cannot Change Parameter Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .183
Motor Does Not Rotate Properly after Pressing RUN Button or
after Entering External Run Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .184
Motor is Too Hot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .185
Drive Does Not Allow Selection of Rotational Auto-Tuning . . . . . . . . . . . . . . . . . . . . .185
Motor Stalls During Acceleration or With Large Loads or
Acceleration Time is Too Long . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .186
Drive Frequency Reference Differs from
the Controller Frequency Reference Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . .186
Excessive Motor Oscillation and Erratic Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . .187
Electrical Interference from Drive or Output Lines When the Drive is Powered On . . 187
Connected Machinery Vibrates When Motor Rotates . . . . . . . . . . . . . . . . . . . . . . . . .187
PID Output Fault . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Insufficient Starting Torque . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Motor Rotates After the Drive Output is Shut Off
(Motor Rotates During DC Injection Braking) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Output Frequency is not as High as Frequency Reference. . . . . . . . . . . . . . . . . . . . . 188
Motor Does Not Restart after Power Loss. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
6. PERIODIC INSPECTION & MAINTENANCE ......................................................... 189
6.1 Section Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
6.2 Inspection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Recommended Daily Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .192
Recommended Periodic Inspection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
6.3 Periodic Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .196
Part Replacement Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Performance Life Monitors/Maintenance Monitors . . . . . . . . . . . . . . . . . . . . . . . . . . .196
6.4 Replacing the Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Battery Replacement Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .198
6.5 Replacing the Cooling Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Models and Number of Cooling Fans Used. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .200
Cooling Fan Replacement Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .203
6.6 Replacing Power Cells . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .204
Power Cell Replacement Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
6.7 Spare Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .207
Spare Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Storing Spare Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .208
7. OPTIONS ................................................................................................................ 211
7.1 Section Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .212
7.2 Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Built-in Type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Panel Housed Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Separate Installation Type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .214
A. SPECIFICATIONS .................................................................................................. 215
A.1 Model-Specific Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .216
Class: 2 kV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .216
Class: 3 kV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .216
Class: 4 kV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .217
Class: 6 kV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .217
Class: 11 kV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .217
A.2 Drive Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .218

YASKAWA ELECTRIC TOEP C710687 02B FSDrive-MV1000 Instructions 7
B. STANDARDS COMPLIANCE ................................................................................ 219
B.1 European Standards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
European Standards Compliance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
C. MEMOBUS/MODBUS COMMUNICATIONS ......................................................... 223
C.1 MEMOBUS/Modbus Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
C.2 Communication Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
C.3 Connecting to a Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
Network Cable Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
Wiring Diagram for Multiple Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
Network Termination. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
C.4 MEMOBUS/Modbus Setup Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
MEMOBUS/Modbus Serial Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
C.5 Drive Operations by MEMOBUS/Modbus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
Observing the Drive Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
Controlling the Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
C.6 Communications Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Command Messages from Master to Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Response Messages from Drive to Master. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
C.7 Message Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Message Content . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Slave Address. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Function Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Error Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
C.8 Message Examples. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Reading Drive MEMOBUS/Modbus Register Contents . . . . . . . . . . . . . . . . . . . . . . . 235
Loopback Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Writing to Multiple Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
C.9 MEMOBUS/Modbus Data Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Command Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Monitor Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Broadcast Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Fault Trace Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Alarm Register Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
C.10 Enter Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Enter Command Types. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
H5-11 and the Enter Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
C.11 Communication Errors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
MEMOBUS/Modbus Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Slave Not Responding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Index ............................................................................................................................. 254
Revision History .......................................................................................................... 259

8YASKAWA ELECTRIC TOEP C710687 02B FSDrive-MV1000 Instructions

i
YASKAWA ELECTRIC TOEP C710687 02B FSDrive-MV1000 Instructions 9
Preface and General Safety
This section provides safety messages pertinent to this product that, if not heeded, may result
in fatality, personal injury, or equipment damage. Yaskawa is not responsible for the
consequences of ignoring these instructions.
i.1 PREFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
i.2 GENERAL SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
i.3 MECHANICAL INTERLOCK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
i.4 NOTES ON USING DRIVES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
i.5 NOTES ON MOTOR OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
i.6 WARRANTY INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

10 YASKAWA ELECTRIC TOEP C710687 02B FSDrive-MV1000 Instructions
i.1 Preface
i.1 Preface
This manual is designed to ensure correct and suitable application of MV1000-Series Drives. Read this manual before
attempting to install, wire, operate, maintain, or inspect a drive and keep it in a safe, convenient location for future
reference. Be sure that you understand all the precautions and safety information before attempting to use the product.
uApplicable Documentation
The following manuals are available for MV1000 series drives. Refer to the manual appropriate for your purpose.
uSymbols
The symbols used in this manual are explained below.
Note: Indicates a supplement or precaution that does not cause drive damage.
uTerms and Abbreviations
uTrademarks
The companies and product names mentioned in this manual are trademarks or registered trademarks of those companies.
Super Energy-Saving Medium-Voltage AC Drive FSDrive-MV1000 Instructions (this book)
Manual No.: TOEP C710687 02
This manual contains basic information required to install and wire the drive, in addition to an overview of
operating procedures, fault diagnostics, and maintenance and inspection.
It covers the basic operation and trial running of this product.
Super Energy-Saving Medium-Voltage AC Drive FSDrive-MV1000 Parameter Guide
Manual No.: TOEP C710687 03
This manual contains detailed information on parameter settings.
Use this manual to expand drive functionality and to take advantage of higher performance features.
TERMSTERMSTERMS
Indicates a term or definition used in this manual.
TERMSTERMSTERMS
•Drive, MV1000: Yaskawa FSDrive-MV1000 Series MV1000
•V/f: V/f Control
•OLV: Open Loop Vector Control
•CLV: Closed Loop Vector Control
Asia

i.2 General Safety
YASKAWA ELECTRIC TOEP C710687 02B FSDrive-MV1000 Instructions 11
i.2 General Safety
uSupplemental Safety Information
• Illustrations, photographs, or examples used in this manual are provided as examples only and may not apply to all
products to which this manual is applicable.
• The products and specifications described in this manual or the content and presentation of the manual may be changed
without notice to improve the product and/or the manual.
• When ordering a new copy of the manual due to damage or loss, contact your Yaskawa representative or the nearest
Yaskawa sales office and provide the manual number shown on the front cover.
• If the nameplate becomes worn or damaged, order a replacement from your Yaskawa representative or the nearest
Yaskawa sales office.
DANGER! will also be indicated by a bold key word embedded in the text followed by an italicized safety message.
WARNING! will also be indicated by a bold key word embedded in the text followed by an italicized safety message.
CAUTION! will also be indicated by a bold key word embedded in the text followed by an italicized safety message.
NOTICE: will also be indicated by a bold key word embedded in the text followed by an italicized safety message.
General Precautions
• The diagrams in this manual may be indicated without covers or safety shields to show details. Restore covers or
shields before operating the drive and run the drive according to the instructions described in this manual.
• Any illustrations, photographs, or examples used in this manual are provided as examples only and may not apply to
all products to which this manual is applicable.
• The products and specifications described in this manual or the content and presentation of the manual may be
changed without notice to improve the product and/or the manual.
• When ordering a new copy of the manual due to damage or loss, contact your Yaskawa representative or the nearest
Yaskawa sales office and provide the manual number shown on the front cover.
• If nameplate becomes worn or damaged, order a replacement from your Yaskawa representative or the nearest
Yaskawa sales office.
• Read and understand this manual before installing, operating or servicing this drive. The drive must be installed
according to this manual and local codes.
The following conventions are used to indicate safety messages in this manual. Failure to heed these messages could
result in serious or possibly even fatal injury or damage to the products or to related equipment and systems.
DANGER
Indicates a hazardous situation, which, if not avoided, will result in serious injury or death.
WARNING
Indicates a hazardous situation, which, if not avoided, could result in serious injury or death.
CAUTION
Indicates a hazardous situation, which, if not avoided, could result in minor or moderate injury.
NOTICE
Indicates a property damage message.

i.2 General Safety
12 YASKAWA ELECTRIC TOEP C710687 02B FSDrive-MV1000 Instructions
uSafety Messages
DANGER
Heed all of the safety-related information in this manual.
Failure to comply could result in serious injury or death.
The operating company is responsible for any injuries or equipment damage resulting from failure to heed the warnings
in this manual.
Electrical Shock Hazard
Do not connect or disconnect wiring while the power for the main circuit and controls is on.
Failure to comply could result in serious injury or death.
Even when the power supply of the medium-voltage main circuit to the drive is shut off, it takes some time for the
internal capacitors to discharge. Wait until the CHARGE LED goes off before starting inspection. While an residual
electric charge remains in the capacitor, the surface and inside of the Power Cell will carry a high voltage, so there will
be a risk of serious injury or death. The heatsink of the Power Cell can become quite hot during operation, and proper
precautions should be taken to prevent burns. When replacing the cooling fan, shut off the main circuit's power and
then wait at least 15 minutes. Then, shut off the control circuit's power and make sure that the cooling fan has fully
stopped before starting the work.
WARNING
Sudden Movement Hazard
Do not forget to include an emergency stop circuit in the application.
Failure to comply could result in serious injury or death. A communication error between the digital operator keypad
and the drive’s internal control board may make it impossible to stop the drive with the digital operator.
After an emergency stop circuit has been wired, check to make sure it is operating properly.
Failure to comply could result in serious injury or death. The emergency stop circuit may fail to operate if left
unchecked. The user is fully responsible for properly wiring the emergency circuit.
Some systems may start moving in response to the supply of power alone, resulting in serious injury or death.
Make sure that there are no personnel around the drive, motor and machine before turning the power on. Also check
that couplings with motors, shaft keys and machinery are properly protected.
Electrical Shock Hazard
Never modify the drive.
Failure to comply could result in serious injury or death.
Yaskawa is not responsible for the consequences of any modification of the product by the user or any client of the
user.
Do not allow unqualified personnel to perform work on the drive.
Failure to comply could result in serious injury or death.
The drive should be installed, wired, repaired, inspected, and have its parts replaced, by someone with a thorough
knowledge of drive installation, adjustment and repair.
Fire Hazard
Verify that the rated voltage of the drive matches the voltage of the incoming power supply before applying
power.
Failure to comply could result in serious injury or death by fire.

i.2 General Safety
YASKAWA ELECTRIC TOEP C710687 02B FSDrive-MV1000 Instructions 13
NOTICE
Equipment Hazard
Observe proper electrostatic discharge procedures (ESD) when handling the drive.
Failure to comply could result in ESD damage to the drive circuitry.
Do not operate damaged equipment.
Failure to comply could result in further damage to the equipment.
Do not connect or operate any equipment with visible damage or missing parts.
Also check the cable wiring and selection of peripheral devices to identify the cause. Contact your Yaskawa
representative or the nearest Yaskawa sales office before restarting the drive or the peripheral devices if the cause
cannot be identified.
Install adequate branch circuit short circuit protection in accordance with the standards in the country of use.
Failure to comply could result in damage to the drive.
This drive is suitable for circuits carrying a maximum current when shorted of 5 kVA, with a maximum voltage of
2640 Vac (class: 2 kV), 3630 Vac (class: 3 kV), 4576 Vac (class: 4 kV), 7260 Vac (class: 6 kV), or 12100 Vac (class: 11
kV).
If disinfectants or insecticides must be used to treat packing materials such as wooden frames, pallets, or
plywood, the packing materials must be treated before the product is packaged, and methods other than
fumigation must be used.
Example: Heat treatment, where materials are kiln-dried to a core temperature of 56°C for 30 minutes or more.
If the electronic products, which include stand-alone products and products installed in machines, are packed with
fumigated wooden materials, the electrical components may be greatly damaged by the gases or fumes resulting from
the fumigation process. In particular, disinfectants containing halogens, which includes chlorine, fluorine, bromine and
iodine can contribute to the erosion of the capacitors, and DOP gas (phthalate esters) can cause cracking of resins.

i.2 General Safety
14 YASKAWA ELECTRIC TOEP C710687 02B FSDrive-MV1000 Instructions
uDrive Label Warning Example
Figure i.1 to Figure i.5 below shows the locations of the warning labels on the drive. Always heed the warning and
danger information listed in Figure i.6 to Figure i.8.
nWarning and Danger Information Locations
Class: 2 kV
Figure i.1
Figure i.1 Class: 2 kV
Class: 3 kV
Figure i.2
Figure i.2 Class: 3 kV
Warning information
nameplate A
Serial number nameplate
Warning information
nameplate B
Serial number nameplate
Warning information
nameplate A
Asia
Serial number nameplate
Warning information nameplate B
Warning information nameplate A
Asia

i.2 General Safety
YASKAWA ELECTRIC TOEP C710687 02B FSDrive-MV1000 Instructions 15
Class: 4 kV
Figure i.3
Figure i.3 Class: 4 kV
Class: 6 kV
Figure i.4
Figure i.4 Class: 6 kV
Class: 11 kV
Figure i.5
Figure i.5 Class: 11 kV
Danger information
Nameplate A
Serial number nameplate
Warning information
Nameplate B
Serial number nameplate
Danger information
Nameplate A
Asia
Serial number nameplate
Warning information nameplate B
Danger information nameplate A
Danger information
nameplate C
Asia
Serial number nameplate
Warning information nameplate B
Danger information nameplate A
Warning information
Warning information
Nameplate C
Nameplate C
Danger information
Nameplate C
Asia

i.2 General Safety
16 YASKAWA ELECTRIC TOEP C710687 02B FSDrive-MV1000 Instructions
nWarning and Danger Information
Nameplate A
Figure i.6
Figure i.6 Danger Information Example Nameplate A
Nameplate B
Figure i.7
Figure i.7 Warning Information Example Nameplate B
Nameplate C
Figure i.8
Figure i.8 Danger Information Example Nameplate C
Note: This danger information is not indicated on 2 kV and 4 kV class drives.
Asia
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i.3 Mechanical Interlock
YASKAWA ELECTRIC TOEP C710687 02B FSDrive-MV1000 Instructions 17
i.3 Mechanical Interlock
To use a mechanical interlock with 2 kV class and 4 kV class drives, install the same mechanical interlock on the
incoming circuit breaker panel as is used with the drive.
1. Turn off the incoming circuit breaker and remove the mechanical interlock key.
2. Use the key to unlock the mechanical lock of the drive.
Figure i.9
Figure i.9 Specification of Interlock Key (Kirk Key type F-Flat mounted)
A – Medium voltage panel
(Power Cells)
C – Medium voltage panel
(Transformer)
B – Low voltage panel
(Controller)
A
B
C
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TOEP_C710687_02B_2_0_preface2.fm 17 ページ ２０１３年１０月３１日 木曜日 午後４時３９分

18 YASKAWA ELECTRIC TOEP C710687 02B FSDrive-MV1000 Instructions
i.4 Notes on Using Drives
i.4 Notes on Using Drives
uSelection
nPower Supply Capacity
The main circuit power supply to be connected to the drive should have a capacity larger than the power required by the
drive with the power factor and efficiency taken into account. When connecting multiple drives to a single supply, select
a power source with a capacity larger than the sum of the power required by all the drives to be connected. Even when the
power source has sufficient capacity, the supply voltage may drop when the power is turned on. This may cause
malfunction of devices connected to the same power supply system if the power supply has a large power impedance.
nDrive Capacity
When running more than one motor in parallel from a single drive, the capacity of the drive should be larger than [total
motor rated current × 1.1].
nEmergency Stop
During a drive fault condition, the output shuts off but the motor does not stop immediately. A mechanical brake may be
required when it is necessary to stop the motor faster than the ability of the Fast Stop function of the drive.
uInstallation
nAmbient Environment
Install the drive in a clean environment free from airborne oil mist, corrosive gas, flammable gas, lint and dust. Install the
fan cover at the top of the panel before starting operation. Any modification to the drive panel’s cooling fan, such as
connecting air exhaust duct, may reduce air flow for cooling and cause overheating and faults. Do not connect air exhaust
duct.
nOperating Environment
When power to the drive is reapplied after the drive has been stopped for an extended period, electrical components
inside dry-type transformers and the Power Cell may be subject to condensation depending on the temperature and
humidity of the switch room. Condensation reduces insulation and may cause short circuits. Yaskawa recommends
installing a dehumidifier in the switch room.
nDrive Storage
When storing an uninstalled drive in a warehouse or storing an installed drive without applying power, observe the
following points to maintain its reliability:
Short-term storage of the drive
Short-term storage includes time periods up to one month after unpacking or up to three months after shipping. Store the
drive in an environment that satisfies the conditions cited for environmental specifications. An ambient temperature of up
to 60 °C is acceptable for short-term storage.
Long-term storage of the drive
Long-term storage includes time periods of more than one month after unpacking or more than three months after
shipping. Contact Yaskawa if long-term storage is required. An ambient temperature of up to 50 °C is acceptable for
long-term storage. Refer to Long Term Storage of Drives on page 71 for details.
Store the spare parts without unpacking them. Refer to Storing Spare Parts on page 208 for details.
nCompliance with Local Laws
Please comply with the law of the relevant country where the drive panel is installed. For details, contact your Yaskawa
representative.

i.4 Notes on Using Drives
YASKAWA ELECTRIC TOEP C710687 02B FSDrive-MV1000 Instructions 19
nEffects of Distortion in Power Supply
When the power supply voltage is originally distorted, or when multiple devices and the drive are connected to the same
power supply, drive harmonics from the power supply system flow into the drive, and cause in high relative harmonic
content.
uSettings
nDriving Multiple Induction Motors
Use V/f control when running multiple induction motors using a single drive.
nUpper Limits
The drive can be operated at speeds up to 120 Hz. Set an upper limit by using the upper limit frequency setting function.
The default setting for the maximum output frequency is 60 Hz.
nAcceleration/Deceleration Times
Acceleration and deceleration times are affected by the amount of torque generated by the motor, the load torque, and the
inertia moment. Set a longer accel/decel time when Stall Prevention is enabled. The accel/decel times are lengthened for
as long as the Stall Prevention function is in operation. Install one of the available braking options or increase the
capacity of the drive for faster acceleration and deceleration.
uGeneral Handling
nWiring Check
Never short the output terminals of the drive or apply voltage from the power supply to the output terminals (U, V, W).
This will damage the drive.
Carry out wiring that conforms to the wire gauges and tightening torques described in this manual. Conduct a thorough
check of wiring and sequences before turning the power on.
nCircuit Breaker or Magnetic Contactor Selection and Installation
Select a breaker with sufficient capacity for the main circuit power supply side of the drive, taking the inrush current
from the transformer into account.
Avoid using the breaker or magnetic contactor for frequent starting or stopping. This may damage the drive. Do not
switch the breaker or magnetic contactor ON/OFF more than twice a day. If it is operated more frequently, install an
optional inrush current suppression circuit between the main circuit power supply and the drive. Use a low-surge type
Vacuum Circuit Breaker for drive primary side breaker.
nInspection and Maintenance
Even when the power supply of the medium-voltage main circuit to the drive is shut off, it takes some time for the
internal capacitors to discharge. Wait until the CHARGE LED goes off before starting inspection. While an residual
electric charge remains in the capacitor, the surface and inside of the Power Cell will carry a high voltage, so there will be
a risk of serious injury or death. The heatsink of the Power Cell can become quite hot during operation, and proper
precautions should be taken to prevent burns.
When replacing the cooling fan, shut off the main circuit's power and then wait at least 15 minutes. Then, shut off the
control circuit's power and make sure that the cooling fan has fully stopped before starting the work.
nTransportation and Installation
Never steam clean the drive. During transportation and installation, the drive must never be exposed to an atmosphere
containing a halogen gas such as fluorine, chlorine, bromine, or iodine.
nHoisting
Some large capacity drives require that the transformer, not the transformer panel, be hoisted directly. Hoisting the drive
panel may damage the drive. Refer to Drive Transportation on page 44 for details.

i.4 Notes on Using Drives
20 YASKAWA ELECTRIC TOEP C710687 02B FSDrive-MV1000 Instructions
nRadio Frequency Interference
Inputs and outputs of the drive (main circuit) contain harmonic components that may adversely affect communication
devices, such as AM radios, used in the vicinity. Use high-voltage cables and ground any shielded cables. Separate cables
for control from high-current circuits (main circuit and relay sequence circuits) to avoid induction from peripheral
devices. (It is advisable to separate them by a distance of 30 cm or more.)
nLeakage Current
Harmonic leakage current passes through stray capacitance between the drive power lines, ground and the motor lines.
Consider taking measures against this leakage current.