Siemens SINAMICS S120 Function Manual page 20

Contents
7 Function modules .................................................................................................................................. 407
7.1 Technology controller................................................................................................................ 409
7.2 Extended monitoring functions.................................................................................................. 414
7.3 Extended Brake Control ............................................................................................................ 416
7.4 Braking Module External ........................................................................................................... 422
7.5 Cooling unit ............................................................................................................................... 424
7.6 Extended torque control (kT estimator, servo).......................................................................... 426
7.7 Closed-loop position control...................................................................................................... 429
7.7.1 General features ....................................................................................................................... 429
7.7.2 Position actual value conditioning............................................................................................. 429
7.7.2.1 Features .................................................................................................................................... 429
7.7.2.2 Description ................................................................................................................................ 429
7.7.2.3 Indexed actual value acquisition ............................................................................................... 432
7.7.2.4 Load gear position tracking ....................................................................................................... 433
7.7.2.5 Commissioning position tracking load gear using STARTER................................................... 441
7.7.2.6 Function diagrams and parameters .......................................................................................... 442
7.7.3 Position controller...................................................................................................................... 443
7.7.4 Monitoring functions .................................................................................................................. 444
7.7.5 Measuring probe evaluation and reference mark search ......................................................... 446
7.7.6 Commissioning.......................................................................................................................... 448
7.8 Basic positioner......................................................................................................................... 449
7.8.1 Mechanical system.................................................................................................................... 451
7.8.2 Limits ......................................................................................................................................... 454
7.8.3 EPOS and safe setpoint velocity limitation ............................................................................... 458
7.8.4 Referencing............................................................................................................................... 459
7.8.5 Referencing with several zero marks per revolution................................................................. 469
7.8.6 Safely referencing under EPOS................................................................................................ 472
7.8.7 Traversing blocks ...................................................................................................................... 474
7.8.8 Travel to fixed stop.................................................................................................................... 481
7.8.9 Direct setpoint input (MDI) ........................................................................................................ 484
7.8.10 Jog............................................................................................................................................. 488
7.8.11 Status signals............................................................................................................................ 489
7.9 Master/slave function for Active Infeed ..................................................................................... 492
7.9.1 Operating principle .................................................................................................................... 492
7.9.2 Basic structure .......................................................................................................................... 492
7.9.3 Types of communication ........................................................................................................... 495
7.9.4 Description of functions............................................................................................................. 496
7.9.5 Commissioning.......................................................................................................................... 499
7.9.6 Function diagrams and parameters .......................................................................................... 501
7.10 Parallel connection of power units ............................................................................................ 502
7.10.1 Applications of parallel connections.......................................................................................... 504
7.10.1.1 Parallel connection of Basic Line Modules ............................................................................... 506
7.10.1.2 Parallel connection of Smart Line Modules............................................................................... 508
7.10.1.3 Parallel connection of Active Line Modules .............................................................................. 510
7.10.1.4 Parallel connection of Motor Modules....................................................................................... 511
7.10.2 Commissioning.......................................................................................................................... 513
7.10.3 Additional drive in addition to the parallel connection............................................................... 514
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Function Manual, (FH1), 01/2013, 6SL3097-4AB00-0BP3
Drive functions