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6.11.1
identically........................................................................................................................ 123
6.11.2
Soft Starter ES (TIA Portal)................................................................................................ 124
7
Commissioning .................................................................................................................................. 125
7.1
Commissioning 3RW55 and 3RW55 Failsafe soft starters................................................... 125
7.2
Sealing 3RW55 and 3RW55 Failsafe soft starters (optional) ............................................... 126
7.3
First commissioning of the High Feature 3RW5 HMI.......................................................... 127
8
Functions ........................................................................................................................................... 129
8.1
Start-up ........................................................................................................................... 131
8.1.1
Starting modes ................................................................................................................ 131
8.1.2
Automatic parameterization............................................................................................. 132
8.1.3
Soft starting with voltage ramp ........................................................................................ 134
8.1.4
Soft starting with torque control ...................................................................................... 137
8.1.5
Soft starting with voltage ramp and current limiting......................................................... 140
8.1.6
Soft starting with torque control and current limiting ....................................................... 142
8.1.7
Direct-on-line starting ...................................................................................................... 143
8.1.8
Motor heating.................................................................................................................. 143
8.1.9
Breakaway pulse for startup functions .............................................................................. 144
8.2
Run-down........................................................................................................................ 146
8.2.1
Stopping modes............................................................................................................... 146
8.2.2
Coasting down................................................................................................................. 148
8.2.3
Voltage ramp ................................................................................................................... 149
8.2.4
Torque control ................................................................................................................. 150
8.2.5
Pump stop ....................................................................................................................... 152
8.2.6
DC braking....................................................................................................................... 154
8.2.6.1
DC braking with external braking contactors..................................................................... 154
8.2.6.2
Dynamic DC braking without contactor ............................................................................ 157
8.2.6.3
Reversing DC braking with a reversing contactor assembly................................................ 160
8.2.6.4
Sensorless motor standstill detection................................................................................ 162
8.2.6.5
External motor standstill detection ................................................................................... 162
8.2.7
Alternative stopping......................................................................................................... 163
8.3
Motor protection.............................................................................................................. 166
8.3.1
Electronic motor overload protection................................................................................ 166
8.3.2
Temperature sensor ......................................................................................................... 169
8.4
Intrinsic device protection ................................................................................................ 171
8.5
Creep speed..................................................................................................................... 172
8.6
Reset ............................................................................................................................... 173
8.7
Quick-stop ....................................................................................................................... 174
8.8
Condition Monitoring....................................................................................................... 174
8.8.1
Condition Monitoring for plant monitoring ....................................................................... 174
8.8.2
Current monitoring .......................................................................................................... 175
8.8.3
Active power monitoring.................................................................................................. 177
8.8.4
Switching frequency monitoring ...................................................................................... 178
8.8.5
Starting time monitoring.................................................................................................. 181
8.8.6
Pump cleaning function ................................................................................................... 182
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006
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