Siemens SINAMICS G150 Operating Instructions Manual page 15

9 Functions, monitoring, and protective functions ................................................................................... 475
9.1 Chapter content .................................................................................................................... 475
9.2 Drive functions ...................................................................................................................... 476
9.2.1 Motor data identification and automatic speed controller optimization ................................. 476
9.2.1.1 Motor data identification ........................................................................................................ 477
9.2.1.2 Rotating measurement and speed controller optimization ................................................... 480
9.2.1.3 Shortened rotating measurement ......................................................................................... 482
9.2.1.4 Parameters ........................................................................................................................... 483
9.2.2 Efficiency optimization .......................................................................................................... 483
9.2.3 Fast magnetization for induction motors ............................................................................... 485
9.2.4 Vdc control ............................................................................................................................ 487
9.2.5 Automatic restart function ..................................................................................................... 492
9.2.6 Flying restart ......................................................................................................................... 495
9.2.6.1 Flying restart without encoder ............................................................................................... 496
9.2.6.2 Flying restart with encoder .................................................................................................... 499
9.2.6.3 Parameters ........................................................................................................................... 500
9.2.7 Motor changeover/selection .................................................................................................. 501
9.2.7.1 Description ............................................................................................................................ 501
9.2.7.2 Example of changing over between two motors ................................................................... 501
9.2.7.3 Function diagram .................................................................................................................. 502
9.2.7.4 Parameters ........................................................................................................................... 503
9.2.8 Friction characteristic curve .................................................................................................. 504
9.2.9 Armature short-circuit braking, DC brake ............................................................................. 506
9.2.9.1 General ................................................................................................................................. 506
9.2.9.2 External armature short-circuit braking ................................................................................. 506
9.2.9.3 Internal armature short-circuit braking .................................................................................. 507
9.2.9.4 DC braking ............................................................................................................................ 508
9.2.10 Increasing the output frequency ........................................................................................... 511
9.2.10.1 Description ............................................................................................................................ 511
9.2.10.2 Default pulse frequencies ..................................................................................................... 511
9.2.10.3 Increasing the pulse frequency ............................................................................................. 511
9.2.10.4 Maximum output frequency achieved by increasing the pulse frequency ............................ 512
9.2.10.5 Parameters ........................................................................................................................... 513
9.2.11 Derating behavior at increased pulse frequency .................................................................. 513
9.2.12 Pulse frequency wobbling ..................................................................................................... 514
9.2.13 Runtime (operating hours counter) ....................................................................................... 516
9.2.14 Simulation operation ............................................................................................................. 517
9.2.15 Direction reversal .................................................................................................................. 518
9.2.16 Unit changeover .................................................................................................................... 520
9.2.17 Simple brake control ............................................................................................................. 522
9.2.18 Synchronization .................................................................................................................... 525
9.2.19 Energy saving indicator for pumps, fans, and compressors ................................................. 526
9.2.20 Write protection ..................................................................................................................... 529
9.2.21 Know-how protection ............................................................................................................ 531
9.2.21.1 Description ............................................................................................................................ 531
9.2.21.2 Activating know-how protection ............................................................................................ 533
9.2.21.3 Deactivating know-how protection ........................................................................................ 534
9.2.21.4 Changing the know-how protection password ...................................................................... 535
9.2.21.5 OEM exception list ................................................................................................................ 535
9.2.21.6 Memory card copy protection ............................................................................................... 536
9.2.21.7 Replacing devices for know-how protection with copy protection ........................................ 536
Converter cabinet units
Operating Instructions, 07/2016, A5E03347396A
Table of contents
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