6.11.1 Parameterizing the 3RW55 or 3RW55 Failsafe soft starter with micro SD card in series /
identically........................................................................................................................ 123
6.11.2 Parameterizing the 3RW55 or 3RW55 Failsafe soft starter in series / identically with SIRIUS
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
Table of contents
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006 5
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