User's Manual
Table Of Contents
- Preface
- Table of Contents
- Chapter 1 Introduction
- 1.1 Receiving and Inspection
- 1.2 Appearances
- 1.3 Installation Steps
- 1.4 Storage
- Chapter 2 Installation and Wiring
- Chapter 3 Start Up
- Chapter 4 Digital Keypad Operation
- Chapter 5 Parameters
- Chapter 6 Fault Code Information
- Chapter 7 Troubleshooting
- 7.1 Over Current (OC)
- 7.2 Ground Fault
- 7.3 Over Voltage (OV)
- 7.4 Low Voltage (Lv)
- 7.5 Over Heat (OH)
- 7.6 Overload
- 7.7 Keypad Display is Abnormal
- 7.8 Phase Loss (PHL)
- 7.9 Motor cannot Run
- 7.10 Motor Speed cannot be Changed
- 7.11 Motor Stalls during Acceleration
- 7.12 The Motor does not Run as Expected
- 7.13 Electromagnetic/Induction Noise
- 7.14 Environmental Condition
- 7.15 Affecting Other Machines
- Chapter 8 Maintenance and Inspections
- Appendix A Specifications
- Appendix B Accessories
- Appendix C How to Select the Right AC Motor Drive
- Appendix D CE
Appendix D CE|VFD-S Series
C-2 Revision August 2006, SE08, SW V2.61
C.1 Capacity Formulas
1. When one AC motor drive operates one motor
The starting capacity should be less than 1.5x rated capacity of AC motor drive
The starting capacity is
)(_____5.1
375cos973
2
kVAdrivemotorACofcapacitythe
t
NGD
T
Nk
A
L
×≤
⎟
⎟
⎠
⎞
⎜
⎜
⎝
⎛
×+
××
×
ϕη
2. When one AC motor drive operates more than one motor
2.1 The starting capacity should be less than the rated capacity of the AC motor drive
Acceleration time
≦
60 seconds
The starting capacity is
()
[]
()
)(_____5.11
cos
111 kVAdrivemotorACofcapacitythek
n
n
Pknn
Nk
sCss
T
s
T
×≤+=+
×
×
⎥
⎥
⎥
⎦
⎤
⎢
⎢
⎢
⎣
⎡
−−
ϕη
Acceleration time
≧
60 seconds
The starting capacity is
()
[]
()
)(_____1
cos
111 kVAdrivemotorACofcapacitythek
n
n
Pknn
Nk
sCss
T
s
T
≤+=+
×
×
⎥
⎥
⎥
⎦
⎤
⎢
⎢
⎢
⎣
⎡
−−
ϕη
2.2 The current should be less than the rated current of the AC motor drive(A)
Acceleration time
≦
60 seconds
)(______5.111 AdrivemotorACofcurrentratedthek
n
n
In SM
T
S
T
×≤++
⎥
⎦
⎤
⎢
⎣
⎡
⎟
⎠
⎞
⎜
⎝
⎛
−
Acceleration time
≧
60 seconds
)(______11 AdrivemotorACofcurrentratedthek
n
n
In SM
T
S
T
≤++
⎥
⎦
⎤
⎢
⎣
⎡
⎟
⎠
⎞
⎜
⎝
⎛
−