3 Function diagrams
3.9 Closed-loop control
SINAMICS DCP
346 List Manual (LH21), 05/2016
3.9 Closed-loop control
Function diagrams
6800 – Overview 347
6805 – Setpoint processing 348
6806 – Correction current controller 349
6808 – Dynamic overload 350
6810 – Current/power limitation 351
6812 – Voltage limitation 352
6817 – Voltage limitation, dynamic 353
6818 – Voltage controller 354
6820 – Main current controller 355
6825 – Residual current controller 356
6830 – Pulse width modulation 357
6835 – Contactor control/precharging 358
6845 – Fan control 359
6850 –Actual value acquisition 360
6855 – Power unit monitoring 361
6860 – Power unit, properties 362
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