Siemens SINAMICS G120C User Manual

8.26 How do I achieve a motor overload protection in accordance with IEC/UL 61800-5-1?........ 343
8.27 Motor and converter protection by limiting the voltage..................................................... 344
8.28 Flying restart – switching on while the motor is running................................................... 346
8.29 Automatic restart............................................................................................................. 348
8.30 Kinetic bu󹪜ering (Vdc min control)................................................................................... 350
8.31 E󹪟ciency optimization..................................................................................................... 352
8.32 Line contactor control...................................................................................................... 355
8.33 Calculating the energy saving for 󹪞uid 󹪞ow machines....................................................... 357
8.34 Switchover between di󹪜erent settings.............................................................................. 359
9 Alarms, faults and system messages................................................................................................. 361
9.1 Operating states indicated via LEDs .................................................................................. 361
9.2 Identi󹪝cation & maintenance data (I&M) .......................................................................... 365
9.3 Alarms, alarm bu󹪜er, and alarm history ............................................................................ 366
9.4 Faults, alarm bu󹪜er and alarm history............................................................................... 369
9.5 List of alarms and faults ................................................................................................... 372
10 Corrective maintenance .................................................................................................................... 379
10.1 Replacing the converter hardware .................................................................................... 380
10.2 Downloading the converter settings................................................................................. 382
10.2.1 Converter without enabled safety functions ..................................................................... 382
10.2.1.1 Automatic download from the memory card .................................................................... 382
10.2.1.2 Manual downloading from the memory card with the BOP-2 ............................................ 383
10.2.1.3 Manual download from the memory card using Startdrive................................................ 384
10.2.1.4 Download from BOP-2 operator panel .............................................................................. 385
10.2.1.5 Download from IOP-2 operator panel ............................................................................... 386
10.2.1.6 Download from Smart Access........................................................................................... 387
10.2.1.7 Download from the PC using Startdrive ............................................................................ 389
10.2.2 Converter with enabled safety functions........................................................................... 390
10.2.2.1 Automatic download from the memory card .................................................................... 390
10.2.2.2 Manual downloading from the memory card with the BOP-2 ............................................ 391
10.2.2.3 Download from BOP-2 operator panel .............................................................................. 393
10.2.2.4 Download from IOP-2 operator panel ............................................................................... 394
10.2.2.5 Download from Smart Access........................................................................................... 396
10.2.2.6 Download from the PC using Startdrive ............................................................................ 399
10.2.3 Download with active know-how protection with copy protection..................................... 401
10.3 PROFINET device name .................................................................................................... 403
10.4 Spare parts ...................................................................................................................... 403
10.4.1 Overview......................................................................................................................... 403
10.4.2 Replace the fan unit for the heat sink ............................................................................... 405
10.4.3 Replacing the fan for FSD ... FSF - G120C.......................................................................... 406
10.4.4 Replacing the roof-mounted fan....................................................................................... 408
10.5 Firmware upgrade and downgrade................................................................................... 410
10.5.1 Overview......................................................................................................................... 410
Table of contents
SINAMICS G120C Converters
10 Operating Instructions, 02/2023, FW V4.7 SP14, A5E34263257B AK

Siemens SINAMICS G120C Specifications

General

Communication Interfaces	PROFINET, PROFIBUS, USS, Modbus RTU
Protection Class	IP20
Ambient Temperature	-10°C to +50°C
Storage Temperature	-40°C to +70°C
Power Range	0.55 kW to 132 kW
Voltage Range	380 V to 480 V
Output Voltage	0 V to Supply Voltage
Frequency Range	0 Hz to rated output frequency
Control Modes	Vector control with encoder
Protection	Overload, overvoltage, undervoltage, short circuit, ground fault
Relative Humidity	5% to 95%, non-condensing
Altitude	Up to 2000 m without derating