6.28 Kinetic buffering (Vdc min control).......................................................................................309
6.29 Efficiency optimization..........................................................................................................311
6.30 Line contactor control...........................................................................................................314
6.31 Calculating the energy saving for fluid flow machines.........................................................316
6.32 Switchover between different settings..................................................................................318
7 Saving settings and series commissioning...............................................................................................321
7.1 Saving settings on a memory card.......................................................................................322
7.1.1 Memory cards......................................................................................................................322
7.1.2 Saving setting on memory card............................................................................................323
7.1.3 Transferring the setting from the memory card....................................................................327
7.1.4 Safely remove the memory card..........................................................................................330
7.1.5 Activate message for a memory card that is not inserted....................................................332
7.2 Saving the settings to a PC..................................................................................................333
7.3 Saving settings to an operator panel....................................................................................337
7.4 Other ways to back up settings............................................................................................339
7.5 Write protection....................................................................................................................340
7.6 Know-how protection............................................................................................................342
7.6.1 Extending the exception list for know-how protection..........................................................345
7.6.2 Activating and deactivating know-how protection................................................................346
8 Alarms, faults and system messages.......................................................................................................349
8.1 Operating states indicated on LEDs.....................................................................................350
8.2 Identification & maintenance data (I&M)..............................................................................353
8.3 Alarms, alarm buffer, and alarm history...............................................................................354
8.4 Faults, alarm buffer and alarm history..................................................................................357
8.5 List of alarms and faults.......................................................................................................361
9 Corrective maintenance............................................................................................................................369
9.1 Spare parts compatibility......................................................................................................369
9.2 Replacing inverter components............................................................................................370
9.2.1 Overview of how to replace an inverter................................................................................371
9.2.2 Replacing a converter with enabled safety function.............................................................373
9.2.3 Replacing a converter without enabled safety function........................................................378
9.2.4 Replacing a converter without data backup.........................................................................380
9.2.5 Replacing devices with active know-how protection............................................................380
9.2.6 Spare parts...........................................................................................................................383
9.2.7 Replace the fan unit for the heat sink...................................................................................385
9.2.8 Replacing the roof-mounted fan...........................................................................................389
9.3 Firmware upgrade and downgrade......................................................................................391
9.3.1 Upgrading the firmware........................................................................................................393
9.3.2 Firmware downgrade...........................................................................................................395
9.3.3 Correcting an unsuccessful firmware upgrade or downgrade..............................................397
9.4 Reduced acceptance after component replacement and firmware change.........................398
Table of contents
SINAMICS G120C converter
Operating Instructions, 09/2017, FW V4.7 SP9, A5E34263257B AF 11
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