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Functions
7.9 Application-specific functions
Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD
273
Adjustable parameters for the energy-saving mode function
Table 7- 49 Main function parameters
Parameter Description Via tech.
setpoint
Via external
setpoint
P1080 = … Minimum speed
0 (factory setting) … 19500 rpm. Lower limit of the motor speed is
independent of the speed setpoint.
x x
P1110 = … Block negative direction
Parameter to block the negative direction
- x
P2200 = … Technology controller enable
0: Technology controller deactivated (factory setting),
1: Technology controller activated
x -
P2251 = 1 Technology controller mode
0: Technology controller as main setpoint (factory setting),
1: Technology controller as supplementary setpoint
x -
p2298 = … Technology controller minimum limiting
Parameter for the minimum limiting of the technology controller
x -
P2398 = … Energy-saving operating mode
0: Energy-saving mode inhibited (factory setting)
1: Energy-saving mode enabled
x x
P2390 = … Energy-saving mode start speed
0 (factory setting) … 21000 rpm. As soon as this speed is fallen below, the
energy-saving mode delay time starts and switches-off the motor once it
expires. The energy-saving mode start speed is calculated as follows:
Start speed = P1080 + p2390
P1080 = minimum speed
p2390 = energy-saving mode start speed.
x x
P2391 = … Energy-saving mode delay time
0 ... 3599 s (factory setting 120). The energy-saving mode delay time starts as
soon as the output frequency of the inverter drops below the energy-saving
mode start speed p2390. If the output frequency increases above this
threshold during the delay time, the energy-saving mode delay time is
interrupted. Otherwise, the motor is switched off after the delay time has
expired (if necessary, after a short boost).
x x
P2392 = … Energy-saving mode restart value (in %)
is required if the technology controller is used as the main setpoint.
As soon as the technology controller deviation (r2273) exceeds the energy-
saving mode restart value, the inverter switches to normal operation and the
motor starts with a setpoint of 1.05 * (p1080 + p2390). As soon as this value is
reached, the motor continues to operate with the setpoint of the technology
controller (r2260).
x -
- SINAMICS 1
- A5E02430659B AD 3
- Change history 5
- Table of contents 10
- Table of contents 11
- Introduction 13
- 1.3.1 General basics 15
- 1.3.2 Parameter 15
- Introduction 17
- Binectors and connectors 18
- BICO parameters 19
- +DQGKHOG 24
- ,23 %23 24
- Description 25
- 2.2 Control Units 26
- 2.3 Power Module 27
- 2.4 Reactors and filters 28
- Installing 29
- Line supply 31
- Line filter 31
- 3.3 Installing Power Module 32
- Installing 33
- 3.3 Installing Power Module 34
- WRSERWWRP 36
- Preconditions 38
- Connecting the inverter 40
- Control cabinet design 41
- Cable routing and shielding 41
- UL Type 12 44
- 3.4 Installing Control Unit 46
- IP55 Power Modules 47
- 3.4 Installing Control Unit 48
- Motorized potentiometer 51
- Process industry 51
- Two- or three-wire control 52
- Commissioning 55
- &RPPLVVLRQLQJ 55
- FRPSOHWHG 55
- Commissioning 57
- 4.4.1 Menu structure 66
- ② Basic commissioning 66
- 4.4.4 Additional settings 69
- Commissioning steps 70
- Going online 72
- ① In the next step, set the 74
- ④ Switch on the motor 75
- Go offline 76
- Recording 77
- ', 78
- ', 78
- ', 78
- Display options 79
- External data backup 80
- Series commissioning 80
- Automatic upload 82
- Manual upload 82
- Automatic download 83
- Manual download 83
- Adapting the terminal strip 87
- 5.2 Digital inputs 88
- 5.3 Digital outputs 90
- 5.4 Analog inputs 91
- 5.4 Analog inputs 92
- 5.4 Analog inputs 93
- 5.5 Analog outputs 95
- 5.5 Analog outputs 96
- Configuring the fieldbus 100
- 6.1.2 Setting the address 101
- 6.1.4 Cyclic communication 103
- Select telegram 104
- Control word 1 (STW1) 105
- Status word 1 (ZSW1) 106
- Control word 3 (STW3) 107
- Status word 3 (ZSW3) 108
- Parameter channel 109
- Configuring the fieldbus 111
- Parameter index (IND) 112
- Parameter value (PWE) 112
- 6.1.5 Acyclic communication 115
- Changing parameter values 117
- Diagnostics 118
- 6.2 Communication via RS485 120
- 6.2.2 Communication via USS 121
- STX LGE ADR 1. 2. : : : n BCC 122
- Description 123
- Start delay 123
- 6.2 Communication via RS485 124
- channel (IND) 125
- 6.2.2.6 USS read request 130
- 6.2.2.7 USS write job 131
- Communication settings 135
- 6.2.3.1 Setting the address 136
- 6.2.3.3 Modbus RTU telegram 137
- Function codes used 141
- Communication errors 143
- Logical error 144
- BACnet properties 145
- 6.2.4.1 Setting the address 146
- BIBBs used by the inverter 147
- General information on CAN 154
- Communication objects (COB) 155
- COB ID 155
- 6.3.2 Commissioning CANopen 156
- 6.3.2.3 SDO services 158
- Properties 158
- CS index sub index length 159
- SDO abort codes 160
- Selection, index range 162
- Process data objects (PDO) 163
- PDO services 166
- 6.3.2.7 Free PDO mapping 168
- Example 168
- 6.3.4 Object directories 172
- TPDO configuration objects 175
- 6.3.4.1 Free objects 179
- 6.3.5 Configuration example 181
- ,QWHUIDFHV 185
- Functions 186
- 7.2 Inverter control 187
- 7.2 Inverter control 188
- Functions 189
- 7.2 Inverter control 189
- 7HFKQRORJ\FRQWUROOHU 193
- &'6 193
- &'6 193
- &RPPDQGGDWDVHW 194
- &RPPDQGGDWDVHW 194
- Advanced settings 195
- 7.3 Command sources 196
- 7.4 Setpoint sources 197
- Typical applications 198
- Principle of operation 198
- 7.4 Setpoint sources 199
- Procedure 200
- Setting jogging 202
- 7.5 Setpoint calculation 204
- Ramp-up/down time 205
- 7.6 Motor control 206
- 7.6 Motor control 207
- 7.6.1 V/f control 208
- 7.6 Motor control 210
- 7.6.2 Vector control 212
- 7.6.2.3 Torque control 213
- 7.7 Protection functions 214
- 7.7 Protection functions 215
- 7.7 Protection functions 216
- Method of operation of I 217
- controller 217
- Settings 218
- 7.8 Status messages 220
- 7.9.1 Unit changeover 221
- Regenerative power 227
- ,QYHUWHU 228
- %UDNLQJUHVLVWRU 228
- %UDNLQJ 228
- 7.9.2.2 DC braking 230
- DC braking parameters 233
- 7.9.2.3 Compound braking 234
- 7.9.2.4 Dynamic braking 236
- Braking resistor connection 236
- 7.9.3.2 Automatic switch-on 241
- WRVLJQDOHYDOXDWLRQ 248
- ',[ 248
- 7.9.7 Real time clock (RTC) 249
- 7.9.8 Time switch (DTC) 251
- Analog input AI 2 252
- Analog input AI 3 252
- Application example 254
- 7.9.11 Multi-zone control 259
- Day and night switching 260
- 7.9.12 Cascade control 263
- 6,1$0,&6 267
- 7.9.14 Energy-saving mode 271
- Display parameters 276
- Activating the free blocks 277
- Analog signal scaling 278
- Example: AND operation 280
- Service and maintenance 283
- Service and maintenance 285
- 6ORZIODVKLQJ 288
- 4XLFNIODVKLQJ 288
- 6LQJOHIODVK 289
- 'RXEOHIODVK 289
- 9.2 Alarms 290
- 9.2 Alarms 291
- Extended settings for alarms 292
- 9.3 Faults 293
- Fault acknowledgement 294
- 9.3 Faults 295
- 9.3 Faults 296
- Extended settings for faults 297
- Axxxxx Alarm 298
- Fyyyyy: Fault 298
- Technical data 305
- Definitions 308
- Technical data 309
- General data, PM240 - IP20 314
- General data, PM250 - IP20 320
- General data, PM260 - IP20 323
- Appendix 325
- Appendix 327
- A.1 Application examples 327
- A.1 Application examples 328
- Final steps 329
- &RQWURO 336
- Index 343
- 110, 126 344
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