List of Contents
Engineering Information
SINAMICS Engineering Manual – November 2015
Ó Siemens AG
11/528
5.8.3 Sine-wave filters ........................................................................................................................... 323
5.8.4 Maximum connectable motor cable lengths ................................................................................... 324
5.9 SINAMICS G150 parallel converters (SINAMICS G150 power extension) .................................................. 324
5.9.1 6-pulse operation of SINAMICS G150 parallel converters .............................................................. 327
5.9.2 12-pulse operation of SINAMICS G150 parallel converters ............................................................ 328
5.9.3 Operation at motors with electrically isolated and with common winding systems ............................ 329
5.9.4 Special features to note when precharging SINAMICS G150 parallel converters ............................. 331
5.9.5 Overview of SINAMICS G150 parallel converters .......................................................................... 334
6 General Information about Built-in and Cabinet Units SINAMICS S120 ......................................335
6.1 General ....................................................................................................................................................... 335
6.1.1 Assignment table .......................................................................................................................... 335
6.2 Control properties ...................................................................................................................................... 335
6.2.1 Performance features of the CU320-2 Control Unit ........................................................................ 335
6.2.2 Control properties / definitions ....................................................................................................... 337
6.2.3 Control properties of the CU320-2 Control Unit .............................................................................. 338
6.2.4 Determination of the required control performance of the CU320-2 Control Unit .............................. 345
6.3 Rated data, permissible output currents, maximum output frequencies .................................................. 348
6.3.1 Permissible output currents and maximum output frequencies ....................................................... 348
6.3.2 Ambient temperatures > 40°C and installation altitudes > 2000 m .................................................. 349
6.4 DRIVE-CLiQ ................................................................................................................................................ 351
6.4.1 Basic information .......................................................................................................................... 351
6.4.2 Determination of component cabeling............................................................................................ 352
6.4.3 DRIVE-CLiQ cables supplied with the units ................................................................................... 353
6.4.4 Cable installation .......................................................................................................................... 354
6.5 Precharging of the DC link and precharging currents ............................................................................... 357
6.5.1 Basic Infeed ................................................................................................................................. 357
6.5.2 Smart Infeed ................................................................................................................................ 359
6.5.3 Active Infeed ................................................................................................................................ 361
6.6 Checking the maximum DC link capacitance ............................................................................................. 363
6.6.1 Basic information .......................................................................................................................... 363
6.6.2 Capacitance values ...................................................................................................................... 364
6.7 Connection of Motor Modules to a common DC busbar ............................................................................ 368
6.7.1 Direct connection to the DC busbar ............................................................................................... 368
6.8 Braking Modules / External braking resistors ............................................................................................ 369
6.8.1 Braking Modules for power units in Chassis format ........................................................................ 369
6.8.2 Braking resistors for power units in Chassis format ........................................................................ 372
6.8.3 SINAMICS S120 Motor Modules as 3-phase Braking Modules ....................................................... 373
6.9 Maximum connectable motor cable lengths .............................................................................................. 378
6.9.1 Booksize units .............................................................................................................................. 378
6.9.2 Chassis units ................................................................................................................................ 379
6.10 Checking the total cable length for multi-motor drives ........................................................................... 380
6.11 Parallel connections of Motor Modules .................................................................................................... 381
6.11.1 General ........................................................................................................................................ 381
6.11.2 Minimum motor cable lengths for motors with common winding system .......................................... 381
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