Siemens SINAMICS G150 Operating Instructions Manual page 14

Table of contents
8 Output terminals .................................................................................................................................... 413
8.1 Chapter content......................................................................................................................... 413
8.2 Analog outputs .......................................................................................................................... 414
8.2.1 List of signals for the analog signals ......................................................................................... 415
8.3 Digital outputs ........................................................................................................................... 417
9 Functions, Monitoring, and Protective Functions ................................................................................... 419
9.1 Chapter content......................................................................................................................... 419
9.2 Drive Functions ......................................................................................................................... 420
9.2.1 Motor identification and automatic speed controller optimization ............................................. 420
9.2.1.1 Standstill measurement............................................................................................................. 421
9.2.1.2 Rotating measurement and speed controller optimization........................................................ 424
9.2.2 Efficiency optimization............................................................................................................... 427
9.2.3 Fast magnetization for induction motors ................................................................................... 428
9.2.4 Vdc control ................................................................................................................................ 430
9.2.5 Automatic restart function ......................................................................................................... 435
9.2.6 Flying restart ............................................................................................................................. 439
9.2.6.1 Flying restart without encoder ................................................................................................... 440
9.2.6.2 Flying restart with encoder ........................................................................................................ 441
9.2.6.3 Parameters................................................................................................................................ 442
9.2.7 Motor changeover/selection ...................................................................................................... 443
9.2.7.1 Description ................................................................................................................................ 443
9.2.7.2 Example of changing over between two motors ....................................................................... 443
9.2.7.3 Function diagram ...................................................................................................................... 444
9.2.7.4 Parameters................................................................................................................................ 445
9.2.8 Friction characteristic curve ...................................................................................................... 445
9.2.9 Armature short-circuit braking, DC braking............................................................................... 447
9.2.9.1 General...................................................................................................................................... 447
9.2.9.2 External armature short-circuit braking ..................................................................................... 447
9.2.9.3 Internal armature short-circuit braking ...................................................................................... 449
9.2.9.4 DC braking ................................................................................................................................ 450
9.2.10 Increasing the output frequency................................................................................................ 452
9.2.10.1 Description ................................................................................................................................ 452
9.2.10.2 Default pulse frequencies.......................................................................................................... 453
9.2.10.3 Increasing the pulse frequency ................................................................................................. 453
9.2.10.4 Maximum output frequency achieved by increasing the pulse frequency ................................ 454
9.2.10.5 Parameters................................................................................................................................ 454
9.2.11 Derating behavior at increased pulse frequency....................................................................... 455
9.2.12 Pulse frequency wobbling ......................................................................................................... 456
9.2.13 Runtime (operating hours counter) ........................................................................................... 458
9.2.14 Simulation operation ................................................................................................................. 459
9.2.15 Direction reversal ...................................................................................................................... 460
9.2.16 Unit changeover ........................................................................................................................ 461
9.2.17 Simple brake control ................................................................................................................. 463
9.2.18 Energy saving indicator for pumps, fans, and compressors ..................................................... 466
9.2.19 Write protection ......................................................................................................................... 469
9.2.20 Know-how protection................................................................................................................. 471
9.2.20.1 Description ................................................................................................................................ 471
9.2.20.2 Activating know-how protection ................................................................................................ 472
9.2.20.3 Deactivating know-how protection ............................................................................................ 474
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Converter cabinet units
Operating Instructions, 03/2012, A5E03263466A