Siemens HF 35M 562 B Specifications Page 112
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Motor starters
SIMATIC - ET 200pro motor starters
8-18 GWA 4NEB 950 5661-02 DS 06
Reducing the starting current
There are various ways of reducing the starting current:
• by star delta starter
• by frequency converter
• by soft starter
Star delta starter
After a certain delay, the motor windings are switched from a star to a delta
configuration. Motor current for star starting is only about 1/3 of that required
for delta starting (motor torque is also reduced to approximately 1/3 of the delta
torque).
Disadvantages:
• 6 motor cables are necessary
• Occurrence of switching surges (in the current and torque transients)
• Startup cannot be matched to the system environment
• Installation is relatively complicated and time-consuming
• Contactor switching calls for an extra time relay or PLC programming
• More space needed in the control cabinet
Figure 8-9: Current and torque curves for star-delta starting
I
I
A
d
I
A
*=
Starting current in d
Starting current
for
* / d start
n
n
n
syn
*n
rated
M
M
A
d
M
motor at
d
M
motor at
*
M
A
*
=1/3 M
A
d
M
load
n
n
n
syn
*n
rated
1/3 I
A
d
- Release 07/2011 1
- Safety guidelines 2
- Qualified personnel 2
- Correct usage 2
- Preface 3
- Certification 4
- Disclaimer of liability 4
- Table of contents 7
- GWA 4NEB 950 5661-02 DS 06 10
- Ta b l e s 15
- Description 1 19
- 1.1.2 Special modules 20
- 1.1.3 Motor starters 21
- 1.1.4 Accessories 22
- ET 200pro with motor starters 24
- Parts list 25
- 1.4 PROFIenergy 27
- Brief instructions 2 31
- 2.2 ET 200pro components 32
- 2.3 Requirements 33
- 2.4 Installation 33
- Mounting order 34
- Brief instructions 35
- 2.5 Cabling and fitting 36
- 2.6 Configuration 37
- 2.8 Activation 39
- Checking the wiring 40
- 2.9 Diagnostic options 41
- 2.10 Help 43
- Installation 3 45
- Installation position 46
- Please note: 46
- Installation 47
- 3.3 Derating 48
- Features 50
- Requirements 50
- 4.1 Commissioning 57
- 4.2 Configuration 59
- Software update 60
- 4.3 Diagnostics 61
- Commissioning and diagnostics 62
- 4.4 LED indicators 63
- 4.5 Process image 67
- Input signals 68
- Output signals 69
- Log book entries 70
- Measurements (DS 94) 70
- Statistics data (DS 95) 71
- Slave pointer (DS 96) 71
- Device diagnostics 73
- Application 74
- Order Numbers 74
- °C to +70°C 75
- Rear wall bus modules 6 77
- Rear wall bus modules 78
- Special modules 7 79
- Special modules 80
- 7.2.1 Features 80
- 7.2.3 Circuit diagram 81
- 7.3.2 Description 83
- 7.3.4 Circuit diagram 85
- 7.3.5 Connection technology 85
- Configuration 86
- 7.4.1 Features 88
- 7.4.2 Description 88
- 7.4.4 Circuit diagram 89
- 7. 5 P o w e r b u s 91
- 7.6.1 Parameters 92
- Motor starters 8 95
- 8.1.2 Electronic starters 96
- 8.2 Motor starter properties 97
- 8.2.6 Connection technology 100
- Auxiliary circuits 101
- Motor starters 102
- 8.2.7 Parameters 104
- 8.3.1 Physical principles 111
- Starting current 111
- Star delta starter 112
- Reducing the starting current 112
- 8.3.2 Application and use 115
- Applications 115
- 8.3.3 Features 116
- Current limiting value 118
- Cyclic duration factor CD 118
- Switching frequency 118
- 8.3.4 Notes on configuration 126
- Starting torque 126
- Criteria for selection 127
- Starting time 128
- Site altitude 128
- Connection 9 129
- 9.1 Rules for wiring 130
- 9.2 Energy cable preparation 131
- Other Station 132
- Connector set 133
- 9-pin (pin) 133
- MS MS MS MS 133
- Motor connection cable 133
- Connection 134
- 9.3 Energy jumper plug 137
- Device functions 10 139
- 10.2 Basic parameters 140
- Actual motor current 141
- Load type 141
- 10.2.2 Parameter – settings 142
- 10.3 Thermal motor model 143
- Device functions 144
- Messages and actions 147
- 10.4 Current limits 149
- Range: 1 second to 5 seconds 150
- Motor continues to operate 151
- Motor is shut down 151
- 10.4.3 Messages and actions 152
- 10.4.4 Temperature sensor 153
- Temperature sensor 153
- Temperature sensor monitoring 154
- 10.5 Asymmetry 156
- 10.6 Trip reset 157
- Input n level 159
- Input n action 159
- Quick stop 162
- Cold run 164
- 10.7.3 Messages and actions 166
- Description 167
- 10.9 Field bus interface 170
- Replacement value 171
- L1 L2 L3 172
- 10.10.1 Device parameters 173
- Priorities regulation 173
- 10.10.2 Parameters – settings 174
- 10.10.3 Message 174
- 10.11 Self-test 175
- Self-test fault 176
- 10.11.1 Messages 176
- 10.12 Emergency start 177
- 10.13 Factory setting 178
- 10.14 Maintenance 179
- 10.15.1 Device parameters 180
- 10.15.2 Parameters – settings 180
- 10.15.3 Messages 180
- Electronic switch technology 181
- 10.16.1 Messages and actions 181
- 10.17 Local device interface 182
- 10.18 Communication 183
- Operating modes 184
- Connection monitoring 185
- 10.18.2 Commands 186
- Commands and their meaning 186
- 10.18.4 Output of messages 187
- 10.19 PROFIenergy 189
- 10.20 Log book 193
- Log book - trips 194
- Log book - events 194
- Log book - device faults 194
- Order numbers A 195
- Adjustment range Order number 196
- Dimensioned drawings B 199
- B.3 400 V shutdown module 201
- Applications C 205
- C.1 Standard applications 206
- C.1.2 No repair switch module 208
- C.1.3 For hot swapping 210
- C.2 SAFETY applications 212
- D.1 Data formats 219
- Data formats and data records 220
- D.2 Fault codes 221
- Fault codes 222
- D.3 Data records 223
- D.5.6 DS93 – Write command 236
- D.6 DS95 - Read statistics 239
- D.6.1 DS96 – Slave pointer 240
- D.7 Device parameters 244
- D.7.2 DS134 – Maintenance 252
- D.8 I&M data 253
- Glossary 255
- Motor starters; High feature 256
- Motor starters; standard 256
- MS (motor starter) 256
- Reversing starters 256
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