Hitachi SJ100 Manuale Utente Pagina 182
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SJ100 Inverter
Troubleshooting
and Maintenance
6–13
The figures below show measurement locations for voltage, current, and power measure-
ments listed in the table on the previous page. The voltage to be measured is the funda-
mental wave effective voltage. The power to be measured is the total effective power.
E
1
W
1
I
1
I
1
I
1
I
1
E
U-V
E
U-V
E
U-V
W
01
W
02
E
1
I
1
I
1
I
1
I
1
E
U-V
E
U-V
E
U-V
W
01
W
02
W
01
W
02
E
1
E
1
I
2
I
3
Single-phase Measurement Diagram
Three-phase Measurement Diagram
L1
N
L1
N
U
V
W
T1
T2
T3
Inverter
Motor
T1
T2
T3
U
V
W
R
S
T
Inverter
Motor
L1
L2
L3
- SJ100 Series Inverter 1
- Instruction Manual 1
- Safety Messages 2
- Powerup Test Caution Messages 7
- General Warnings and Cautions 10
- Wire Connectors 14
- Motor Overload Protection 15
- Table of Contents 16
- Revisions 18
- Contact Information 19
- Getting Started 20
- Operator Interface Options 22
- Inverter Specifications Label 23
- Model Number Convention 23
- SJ100 Inverter Specifications 24
- General Specifications 28
- Signal Ratings 30
- Derating Curves 31
- What is an Inverter? 37
- Inverter Output to the Motor 39
- Velocity Profiles 41
- Frequently Asked Questions 42
- Inverter Mounting 45
- Unpacking and Inspection 46
- Main Physical Features 46
- Basic System Description 49
- Choosing a Mounting Location 51
- Ensure Adequate Ventilation 52
- Check Inverter Dimensions 53
- Prepare for Wiring 57
- RB +1 + – 60
- L1 L2 N/L3 U/T1 V/T2 60
- Logic Control Wiring 62
- Powerup Test 63
- Powering the Inverter 64
- Using the Front Panel Keypad 65
- Keys, Modes, and Parameters 66
- Run Stop 72
- Monitor Program 72
- Choosing a Programming Device 74
- Using Keypad Devices 75
- “A” Group: Standard Functions 81
- Analog Input Settings 82
- Torque Control Algorithms 85
- DC Braking Settings 88
- Frequency-related Functions 89
- PID Control 91
- Accel/Decel 95
- Automatic Restart Mode 96
- Overload Restriction 99
- Configuring 100
- Drive Parameters 100
- Software Lock Mode 100
- Miscellaneous Settings 102
- Input Terminal Configuration 106
- Output Terminal Configuration 110
- Introduction 115
- Operations 118
- Example Wiring Diagram 122
- Terminal Listing 124
- Multi-Speed Select 127
- Jogging Command 129
- Set Second Motor 131
- Free-run Stop 133
- External Trip 134
- Unattended Start Protection 135
- Software Lock 136
- Reset Inverter 138
- Thermistor Thermal Protection 139
- Analog Input Operation 149
- See I/O specs on page 4–6 150
- PID Loop Operation 156
- Simultaneous Connections 157
- Inverter System 159
- Accessories 159
- Component Descriptions 161
- FFL100–xxx 162
- Dynamic Braking 163
- Motor Control 164
- Dynamic Braking Usage Ratio 164
- Troubleshooting 170
- Troubleshooting Tips 172
- Maintenance and Inspection 178
- Megger Test 179
- Spare parts 180
- Capacitor Life Curve 180
- IGBT Test Method 184
- Warranty 185
- Glossary and 186
- Bibliography 186
- Glossary 187
- Drive Parameter 194
- Settings Tables 194
- Appendix B 196
- Standard Functions 196
- Fine Tuning Functions 199
- Motor Constants Functions 202
- Installation 204
- Guidelines 204
- Appendix C 205
- Hitachi EMC Recommendations 209
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