Siemens SINAMICS S120 Function Manual page 17

8.8.11 Status signals ............................................................................................................................. 506
8.9 Master/slave function for Active Infeed ...................................................................................... 509
8.9.1 Operating principle ..................................................................................................................... 509
8.9.2 Basic structure ........................................................................................................................... 509
8.9.3 Types of communication ............................................................................................................ 512
8.9.4 Description of functions .............................................................................................................. 513
8.9.5 Commissioning........................................................................................................................... 516
8.9.6 Function diagrams and parameters ........................................................................................... 517
8.10 Parallel connection of power units ............................................................................................. 519
8.10.1 Applications of parallel connections ........................................................................................... 522
8.10.1.1 Parallel connection of Basic Line Modules ................................................................................ 524
8.10.1.2 Parallel connection of Smart Line Modules ............................................................................... 526
8.10.1.3 Parallel connection of Active Line Modules ............................................................................... 527
8.10.1.4 Parallel connection of Motor Modules ........................................................................................ 528
8.10.2 Commissioning........................................................................................................................... 530
8.10.3 Additional drive in addition to the parallel connection ................................................................ 531
8.11 Extended stop and retract .......................................................................................................... 534
8.11.1 Activating and enabling the ESR function module ..................................................................... 535
8.11.2 Valid sources for triggering the ESR functions .......................................................................... 535
8.11.3 Invalid sources ........................................................................................................................... 536
8.11.4 ESR responses .......................................................................................................................... 537
8.11.4.1 Extended stopping ..................................................................................................................... 537
8.11.4.2 Extended retract ......................................................................................................................... 538
8.11.4.3 Regenerative operation .............................................................................................................. 539
8.11.5 Restrictions for ESR ................................................................................................................... 540
8.11.6 PROFIdrive telegram for ESR .................................................................................................... 540
8.11.7 Function diagrams and parameters ........................................................................................... 541
8.12 Inertia estimator ......................................................................................................................... 542
9 Monitoring and protective functions ..................................................................................................... 547
9.1 Power unit protection, general ................................................................................................... 547
9.2 Thermal monitoring and overload responses ............................................................................ 548
9.3 Block protection.......................................................................................................................... 550
9.4 Stall protection (only for vector control) ..................................................................................... 551
9.5 Thermal motor protection ........................................................................................................... 552
9.5.1 Thermal motor models ............................................................................................................... 552
9.5.1.1 Thermal motor model 1 .............................................................................................................. 553
9.5.1.2 Thermal motor model 2 .............................................................................................................. 554
9.5.1.3 Thermal motor model 3 .............................................................................................................. 554
9.5.1.4 Function diagrams and parameters ........................................................................................... 555
9.5.2 Motor temperature sensing ........................................................................................................ 556
9.5.3 Sensor Modules ......................................................................................................................... 558
9.5.3.1 Sensor Module Cabinet-Mounted .............................................................................................. 558
9.5.3.2 Sensor Module External ............................................................................................................. 559
9.5.3.3 Sensor Module SME 20/25 ........................................................................................................ 559
9.5.3.4 Sensor Module External 120/125............................................................................................... 559
9.5.4 Terminal Modules....................................................................................................................... 561
9.5.5 Terminal Module 31 ................................................................................................................... 562
Drive functions
Function Manual, (FH1), 04/2014, 6SL3097-4AB00-0BP4
Contents
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