Siemens SINAMICS G120 Operating Instructions Manual page 11

8.7.1 Unit changeover ......................................................................................................................... 260
8.7.1.1 Changing over the motor standard ............................................................................................ 262
8.7.1.2 Changing over the unit system .................................................................................................. 262
8.7.1.3 Changing over process variables for the technology controller ................................................. 263
8.7.1.4 Switching units with STARTER .................................................................................................. 264
8.7.2 Energy-saving display ................................................................................................................ 265
8.7.3 Braking functions of the inverter ................................................................................................ 267
8.7.3.1 Electrical braking methods ......................................................................................................... 267
8.7.3.2 DC braking ................................................................................................................................. 269
8.7.3.3 Compound braking ..................................................................................................................... 272
8.7.3.4 Dynamic braking ........................................................................................................................ 274
8.7.3.5 Braking with regenerative feedback to the line .......................................................................... 277
8.7.3.6 Motor holding brake ................................................................................................................... 278
8.7.4 Automatic restart and flying restart ............................................................................................ 284
8.7.4.1 Flying restart - switching on while the motor is running ............................................................ 284
8.7.4.2 Automatic switch-on ................................................................................................................... 285
8.7.5 PID technology controller ........................................................................................................... 290
8.7.5.1 Overview .................................................................................................................................... 290
8.7.5.2 Setting the controller .................................................................................................................. 290
8.7.5.3 Optimizing the controller ............................................................................................................ 292
8.7.6 Monitor the load torque (system protection) .............................................................................. 294
8.7.7 Load failure monitoring .............................................................................................................. 296
8.7.8 Speed deviation monitoring ....................................................................................................... 297
8.7.9 Free function blocks ................................................................................................................... 299
8.8 Safe Torque Off (STO) safety function ...................................................................................... 302
8.8.1 Function description ................................................................................................................... 302
8.8.2 Prerequisite for STO use ........................................................................................................... 303
8.8.3 Commissioning STO .................................................................................................................. 303
8.8.3.1 Commissioning tool .................................................................................................................... 303
8.8.3.2 Protection of the settings from unauthorized changes............................................................... 303
8.8.3.3 Resetting the safety function parameters to the factory setting ................................................. 304
8.8.3.4 Changing settings ...................................................................................................................... 305
8.8.3.5 Interconnecting the "STO active" signal..................................................................................... 306
8.8.3.6 Setting the filter for fail-safe inputs............................................................................................. 307
8.8.3.7 Setting forced dormant error detection ...................................................................................... 310
8.8.3.8 Activate settings ......................................................................................................................... 312
8.8.3.9 Checking the assignment of the digital inputs ........................................................................... 312
8.8.3.10 Acceptance - completion of commissioning ............................................................................... 314
8.9 Switchover between different settings ....................................................................................... 320
9 Backing up data and series commissioning ......................................................................................... 323
9.1 Saving settings on a memory card............................................................................................. 325
9.1.1 Saving setting on memory card ................................................................................................. 326
9.1.2 Transferring the setting from the memory card .......................................................................... 328
9.1.3 Safely remove the memory card ................................................................................................ 330
9.2 Saving settings on a PC ............................................................................................................. 332
9.3 Saving settings on an operator panel ........................................................................................ 334
9.4 Other ways to back up settings .................................................................................................. 334
9.5 Write and know-how protection .................................................................................................. 335
Converter with the CU250S-2 Control Unit (vector)
Operating Instructions, 06/2013, FW V4.6, A5E31759476B AB
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