Table of contents
Inverter chassis units
14 Operating Instructions, 07/2016, A5E00331449A
9.2.9.3 Internal armature short-circuit braking ................................................................................. 407
9.2.9.4 DC braking ........................................................................................................................... 408
9.2.10 Increasing the output frequency ........................................................................................... 410
9.2.10.1 Description ........................................................................................................................... 410
9.2.10.2 Default pulse frequencies .................................................................................................... 411
9.2.10.3 Increasing the pulse frequency ............................................................................................ 411
9.2.10.4 Maximum output frequency achieved by increasing the pulse frequency ........................... 412
9.2.10.5 Parameters ........................................................................................................................... 412
9.2.11 Derating behavior at increased pulse frequency ................................................................. 413
9.2.12 Pulse frequency wobbling .................................................................................................... 414
9.2.13 Runtime (operating hours counter) ...................................................................................... 416
9.2.14 Simulation operation ............................................................................................................ 417
9.2.15 Direction reversal ................................................................................................................. 419
9.2.16 Unit changeover ................................................................................................................... 420
9.2.17 Simple brake control ............................................................................................................ 422
9.2.18 Synchronization.................................................................................................................... 425
9.2.19 Energy saving indicator for pumps, fans, and compressors ................................................ 427
9.2.20 Write protection .................................................................................................................... 430
9.2.21 Know-how protection ........................................................................................................... 432
9.2.21.1 Description ........................................................................................................................... 432
9.2.21.2 Activating know-how protection ........................................................................................... 434
9.2.21.3 Deactivating know-how protection ....................................................................................... 435
9.2.21.4 Changing the know-how protection password ..................................................................... 436
9.2.21.5 OEM exception list ............................................................................................................... 436
9.2.21.6 Memory card copy protection ............................................................................................... 437
9.2.21.7 Replacing devices for know-how protection with copy protection ....................................... 437
9.2.21.8 Overview of important parameters ....................................................................................... 438
9.2.22 Essential service mode ........................................................................................................ 439
9.2.23 Web server ........................................................................................................................... 443
9.2.23.1 Description ........................................................................................................................... 443
9.2.23.2 Starting the web server ........................................................................................................ 445
9.2.23.3 Web server configuration ..................................................................................................... 447
9.2.23.4 Display areas ....................................................................................................................... 448
9.2.23.5 Overview of important parameters ....................................................................................... 450
9.3 Extended functions .............................................................................................................. 450
9.3.1 Technology controller ........................................................................................................... 450
9.3.2 Bypass function .................................................................................................................... 453
9.3.2.1 Bypass with synchronizer with degree of overlapping (p1260 = 1) ..................................... 455
9.3.2.2 Bypass with synchronizer without degree of overlapping (p1260 = 2) ................................ 458
9.3.2.3 Bypass without synchronizer (p1260 = 3) ............................................................................ 460
9.3.2.4 Function diagram ................................................................................................................. 461
9.3.2.5 Parameters ........................................................................................................................... 462
9.3.3 Extended brake control ........................................................................................................ 463
9.3.4 Extended monitoring functions ............................................................................................. 467
9.3.5 Moment of inertia estimator ................................................................................................. 470
9.4 Monitoring and protective functions ..................................................................................... 476
9.4.1 Protecting power components ............................................................................................. 476
9.4.2 Thermal monitoring and overload responses ...................................................................... 477
9.4.3 Block protection.................................................................................................................... 479
9.4.4 Stall protection (only for vector control) ............................................................................... 480
9.4.5 Thermal motor protection ..................................................................................................... 481
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