Технічний документ SIEMENS — SINAMICS G120XA PN converter

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                               Introduction               1
                               Fundamental safety
                               instructions               2

                               Description                3
SINAMICS
                               Mounting                   4
SINAMICS G120XA
SINAMICS G120XA PN converter
                               Wiring                     5

                               Commissioning              6
Operating Instructions
                               Upload of the converter
                               settings                   7
                               Protecting the converter
                               settings                   8

                               Advanced commissioning     9

                               Parameters                 10
                               Warnings, faults and
                               system messages            11

                               Corrective maintenance     12

                               Technical data             13

                               Appendix                   A
PROFINET & EtherNet/IP (PN)

09/2025, FW V1.05
A5E51610273A-AC
Legal information
Warning notice system
             This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent
             damage to property. The notices referring to your personal safety are highlighted in the manual by a safety alert
             symbol, notices referring only to property damage have no safety alert symbol. These notices shown below are
             graded according to the degree of danger.

                   DANGER
             indicates that death or severe personal injury will result if proper precautions are not taken.

                   WARNING
             indicates that death or severe personal injury may result if proper precautions are not taken.

                   CAUTION
             indicates that minor personal injury can result if proper precautions are not taken.

             NOTICE
             indicates that property damage can result if proper precautions are not taken.
             If more than one degree of danger is present, the warning notice representing the highest degree of danger will
             be used. A notice warning of injury to persons with a safety alert symbol may also include a warning relating to
             property damage.
Qualified Personnel
             The product/system described in this documentation may be operated only by personnel qualified for the specific
             task in accordance with the relevant documentation, in particular its warning notices and safety instructions.
             Qualified persons are those who, because of their training and experience, are familiar with the installation,
             assembly, commissioning, operation, decommissioning and disassembly of the product and can recognize risks
             and avoid possible hazards.
Proper use of Siemens products
             Note the following:

                   WARNING
             Siemens products may only be used for the application described in the catalog and the associated usage
             information. If products and components from other manufacturers are used, these must be recommended or
             approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and maintenance
             are required to ensure that the products operate safely and without any problems. The permissible ambient
             conditions must be complied with. The information in the relevant documentation must be observed.

Trademarks
             All names identified by ® are registered trademarks of Siemens Aktiengesellschaft. The remaining trademarks in
             this publication may be trademarks whose use by third parties for their own purposes could violate the rights of
             the owner.
Disclaimer of Liability
             We have reviewed the contents of this publication to ensure consistency with the hardware and software
             described. Since variance cannot be precluded entirely, we cannot guarantee full consistency. However, the
             information in this publication is reviewed regularly and any necessary corrections are included in subsequent
             editions.

             Siemens Aktiengesellschaft            A5E51610273A-AC                                      Copyright © Siemens 2022 - 2025.
             Digital Industries                    Ⓟ 09/2025 Subject to change                          All rights reserved
             Postfach 48 48
             90026 NÜRNBERG
             GERMANY
Table of contents

1      Introduction ......................................................................................................................................... 15
       1.1               About SINAMICS ................................................................................................................ 15
       1.2               About this manual ............................................................................................................. 16
       1.2.1             Content ............................................................................................................................. 16
       1.2.2             Target group ...................................................................................................................... 16
       1.2.3             Standard scope .................................................................................................................. 17
       1.2.4             Use of third-party products in this documentation .............................................................. 17
       1.2.5             Websites of third-party companies...................................................................................... 17
       1.3               Product documentation ..................................................................................................... 18
       1.4               Service and support ........................................................................................................... 19
       1.4.1             ID link and Siemens Online Support.................................................................................... 19
       1.4.2             Spare parts services ........................................................................................................... 20
       1.5               Important product information .......................................................................................... 21
       1.5.1             Intended use...................................................................................................................... 21
       1.5.2             Firmware updates and constraints...................................................................................... 22
       1.5.3             Open-source software (OSS) .............................................................................................. 22
       1.5.4             Compliance with the General Data Protection Regulation.................................................... 23
2      Fundamental safety instructions......................................................................................................... 25
       2.1               General safety instructions................................................................................................. 25
       2.2               Equipment damage due to electric fields or electrostatic discharge ..................................... 32
       2.3               Warranty and liability for application examples ................................................................... 33
       2.4               Cybersecurity information .................................................................................................. 34
       2.5               Residual risks of power drive systems ................................................................................. 35
3      Description........................................................................................................................................... 37
       3.1               About the converter........................................................................................................... 37
       3.1.1             OpenSSL ............................................................................................................................ 37
       3.1.2             Transferring OpenOSS license terms to a PC........................................................................ 37
       3.2               Scope of delivery ............................................................................................................... 39
       3.3               Directives and standards .................................................................................................... 42
       3.4               Device disposal .................................................................................................................. 44
       3.5               Optional components ........................................................................................................ 45
       3.5.1             External line filter............................................................................................................... 45
       3.5.2             Line harmonics filter........................................................................................................... 46
       3.5.3             Line reactor ....................................................................................................................... 48
       3.5.4             Output reactor ................................................................................................................... 50
       3.5.5             Sine-wave filter .................................................................................................................. 52
       3.5.6             dv/dt filter plus VPL ............................................................................................................ 55
       3.5.7             Operator panel .................................................................................................................. 56

SINAMICS G120XA PN converter
Operating Instructions, 09/2025, FW V1.05, A5E51610273A-AC                                                                                                     3
Table of contents

      3.5.8             SINAMICS G120 Smart Access ............................................................................................ 56
      3.5.9             Memory card ..................................................................................................................... 57
      3.5.10            Shield connection kit for the Power Module (FSA to FSG) .................................................... 57
      3.5.11            SINAMICS FSG Adapter Set ................................................................................................. 58
      3.5.12            I/O Extension Module ......................................................................................................... 61
      3.6               Motors and multi-motor drives that can be operated........................................................... 67
4     Mounting ............................................................................................................................................. 69
      4.1               Power losses and air cooling requirements ......................................................................... 69
      4.2               Mounting the converter ..................................................................................................... 71
      4.2.1             Basic installation rules........................................................................................................ 71
      4.2.2             Dimension drawings and drill patterns................................................................................ 73
      4.2.3             Mounting the shield connection kit .................................................................................... 75
      4.2.3.1           Mounting the shield connection kit for the Power Module .................................................. 76
      4.2.3.2           Mounting the shield connection kit for the control connection (FSD to FSG)........................ 78
      4.2.4             Additional mounting instructions for FSD ... FSJ.................................................................. 78
      4.2.4.1           Additional mounting instructions, FSD ... FSG..................................................................... 78
      4.2.4.2           Additional mounting instructions, FSH/FSJ.......................................................................... 79
      4.2.5             Mounting the optional components ................................................................................... 81
5     Wiring .................................................................................................................................................. 83
      5.1               Line supply and motor ....................................................................................................... 83
      5.1.1             EMC-compliant setup of the machine or plant .................................................................... 83
      5.1.1.1           Control cabinet .................................................................................................................. 84
      5.1.1.2           Cables ............................................................................................................................... 86
      5.1.1.3           Electromechanical components.......................................................................................... 88
      5.1.2             Permissible line supplies..................................................................................................... 89
      5.1.2.1           TN system.......................................................................................................................... 89
      5.1.2.2           TT system .......................................................................................................................... 90
      5.1.2.3           IT system ........................................................................................................................... 91
      5.1.2.4           Removing functional grounding of the converter................................................................ 91
      5.1.3             Requirements for the protective conductor ......................................................................... 93
      5.1.4             Fault protection for the motor circuit .................................................................................. 95
      5.1.5             Operation with residual current protective device (RCD)...................................................... 96
      5.1.6             Maximum permissible motor cable length .......................................................................... 97
      5.1.7             Connecting the converter and converter components......................................................... 99
      5.1.7.1           Connection overview ...................................................................................................... 100
      5.1.7.2           Connecting converters ..................................................................................................... 101
      5.1.7.3           Cable cross-sections and screw tightening torques............................................................ 105
      5.1.7.4           Cable lugs........................................................................................................................ 106
      5.1.7.5           Connecting the cable shields (FSA ... FSG only)................................................................. 107
      5.1.7.6           Connecting the copper busbars (FSH only) ....................................................................... 110
      5.1.8             Connecting the motor to the converter in a star or delta connection ................................. 112
      5.2               Control interfaces ............................................................................................................ 113
      5.2.1             Overview of the interfaces ............................................................................................... 113
      5.2.2             Terminal strips ................................................................................................................. 114
      5.2.3             Terminals strips of I/O Extension Module .......................................................................... 116
      5.2.4             Factory interface settings ................................................................................................. 117
      5.2.5             Default setting of the interfaces (macros)......................................................................... 118
      5.2.5.1           Overview ......................................................................................................................... 118
      5.2.5.2           Default setting (macro) 41: "Analog control"..................................................................... 120

                                                                                                                      SINAMICS G120XA PN converter
4                                                                                      Operating Instructions, 09/2025, FW V1.05, A5E51610273A-AC
                                                                                                                                       Table of contents

       5.2.5.3          Default setting (macro) 42: "PID controller with analog control" ........................................ 121
       5.2.5.4          Default setting (macro) 43: "2 pumps with analog control" ............................................... 123
       5.2.5.5          Default setting (macro) 44: "3 pumps with analog setpoint".............................................. 125
       5.2.5.6          Default setting (macro) 45: "Fixed setpoint control" .......................................................... 127
       5.2.5.7          Default setting (macro) 47: "PID controller with internal fixed setpoint" ............................. 128
       5.2.5.8          Default setting (macro) 48: "2 pumps and internal fixed setpoint" ..................................... 130
       5.2.5.9          Default setting (macro) 49: "3 pumps and internal fixed setpoint" ..................................... 132
       5.2.5.10         Default setting (macro) 57: "PROFINET control"................................................................. 134
       5.2.5.11         Default setting (macro) 58: "MOP control" ........................................................................ 136
       5.2.5.12         Default setting (macro) 59: "Blank I/O".............................................................................. 137
       5.2.6            Terminal strip X9 (FSH/FSJ only) ....................................................................................... 138
       5.2.7            Wiring the terminal strips ................................................................................................. 141
       5.2.8            Fieldbus........................................................................................................................... 142
       5.2.9            Connecting to PROFINET and Ethernet.............................................................................. 143
       5.2.9.1          Communication via PROFINET IO and Ethernet ................................................................. 143
       5.2.9.2          Protocols used ................................................................................................................. 144
       5.2.9.3          Connecting the PROFINET cable to the converter .............................................................. 146
       5.2.9.4          What do you have to set for communication via PROFINET?............................................... 146
       5.2.9.5          Installing GSDML ............................................................................................................. 147
       5.2.9.6          Connect converter to EtherNet/IP ..................................................................................... 147
       5.2.9.7          What do you need for communication via EtherNet/IP? ..................................................... 148
6      Commissioning .................................................................................................................................. 149
       6.1              Commissioning guidelines ............................................................................................... 149
       6.2              Tools................................................................................................................................ 150
       6.3              Preparing for commissioning............................................................................................ 152
       6.3.1            Collecting motor data ...................................................................................................... 152
       6.3.2            Precharging the circuit (FSH/FSJ only)............................................................................... 154
       6.3.3            Forming DC link capacitors............................................................................................... 155
       6.3.4            Converter factory setting.................................................................................................. 155
       6.4              Quick commissioning using the BOP-2 operator panel ...................................................... 159
       6.4.1            Fitting the BOP-2 to the converter .................................................................................... 159
       6.4.2            Overview ......................................................................................................................... 160
       6.4.3            Starting quick commissioning .......................................................................................... 161
       6.4.4            Selecting an application class ........................................................................................... 161
       6.4.5            Standard Drive Control ..................................................................................................... 163
       6.4.6            Dynamic Drive Control ..................................................................................................... 165
       6.4.7            Expert.............................................................................................................................. 168
       6.4.8            Identifying the motor data and optimizing the closed-loop control.................................... 173
       6.5              Restoring the factory settings........................................................................................... 175
       6.6              Handling the BOP-2 operator panel .................................................................................. 176
       6.6.1            Switching the motor on and off ........................................................................................ 177
       6.6.2            Changing parameter values.............................................................................................. 178
       6.6.3            Changing indexed parameters.......................................................................................... 179
       6.6.4            Entering the parameter number directly ........................................................................... 180
       6.6.5            Entering the parameter value directly ............................................................................... 181
       6.6.6            Why can a parameter value not be changed? .................................................................... 182
       6.7              Series commissioning ...................................................................................................... 183

SINAMICS G120XA PN converter
Operating Instructions, 09/2025, FW V1.05, A5E51610273A-AC                                                                                                     5
Table of contents

7     Upload of the converter settings ....................................................................................................... 185
      7.1             Upload from the converter to the memory card ................................................................ 186
      7.1.1           Automatic upload ............................................................................................................ 186
      7.1.2           Manual upload with BOP-2............................................................................................... 187
      7.1.3           Message for a memory card that is not inserted................................................................ 188
      7.1.4           Safely removing a memory card using the BOP-2 .............................................................. 189
      7.2             Uploading to the BOP-2.................................................................................................... 190
      7.3             More options for the upload............................................................................................. 191
8     Protecting the converter settings ...................................................................................................... 193
      8.1             Write protection ............................................................................................................... 193
      8.2             Know-how protection ...................................................................................................... 195
      8.2.1           Extending the exception list for know-how protection ...................................................... 198
      8.2.2           Activating and deactivating know-how protection ............................................................ 199
9     Advanced commissioning.................................................................................................................. 201
      9.1             Overview of the converter functions................................................................................. 201
      9.2             Brief description of the parameters................................................................................... 203
      9.3             Drive control .................................................................................................................... 204
      9.3.1           Switching the motor on and off ........................................................................................ 204
      9.3.1.1         Sequence control when switching the motor on and off.................................................... 204
      9.3.1.2         Selecting the ON/OFF functions........................................................................................ 207
      9.3.1.3         Function diagram 2634 - Sequence control - Missing enable signals, line contactor control... 209
      9.3.2           Adapt the default setting of the terminal strips ................................................................. 210
      9.3.2.1         Digital inputs ................................................................................................................... 211
      9.3.2.2         Analog input as digital input ............................................................................................ 212
      9.3.2.3         Digital outputs ................................................................................................................. 213
      9.3.2.4         Analog inputs .................................................................................................................. 215
      9.3.2.5         Adjusting characteristics for analog input ......................................................................... 217
      9.3.2.6         Setting the deadband....................................................................................................... 218
      9.3.2.7         Analog outputs ................................................................................................................ 219
      9.3.2.8         Adjusting characteristics for analog output....................................................................... 220
      9.3.2.9         Function diagram 2221 - Digital inputs............................................................................. 222
      9.3.2.10        Function diagram 2256 - Analog inputs as digital inputs ................................................... 223
      9.3.2.11        Function diagram 2244 - Digital outputs .......................................................................... 224
      9.3.2.12        Function diagram 2251 - Analog inputs 0 and 1 ............................................................... 225
      9.3.2.13        Function diagram 2252 - Analog input 2 .......................................................................... 226
      9.3.2.14        Function diagram 2270 - Analog input 3 .......................................................................... 227
      9.3.2.15        Function diagram 2261 - Analog outputs.......................................................................... 228
      9.3.3           Drive control via PROFINET ............................................................................................... 229
      9.3.3.1         Receive data and send data .............................................................................................. 229
      9.3.3.2         Telegrams........................................................................................................................ 230
      9.3.3.3         Parameter channel........................................................................................................... 236
      9.3.3.4         Expanding or freely interconnecting telegrams ................................................................. 241
      9.3.3.5         Acyclically reading and writing converter parameters........................................................ 244
      9.3.3.6         Reading and changing parameters via data set 47 ............................................................ 244
      9.3.3.7         Device-to-device communication...................................................................................... 249
      9.3.4           EtherNet/IP ...................................................................................................................... 249
      9.3.4.1         Configuring communication............................................................................................. 249

                                                                                                                  SINAMICS G120XA PN converter
6                                                                                  Operating Instructions, 09/2025, FW V1.05, A5E51610273A-AC
                                                                                                                                    Table of contents

       9.3.4.2        Supported objects............................................................................................................ 251
       9.3.4.3        Create generic I/O module................................................................................................ 265
       9.3.4.4        The converter as Ethernet node........................................................................................ 266
       9.3.5          Function diagrams for PROFINET and EtherNet/IP.............................................................. 267
       9.3.5.1        Overview ......................................................................................................................... 267
       9.3.5.2        Function diagram 2401 - Overview .................................................................................. 268
       9.3.5.3        Function diagram 2410 - Addresses and diagnostics ......................................................... 269
       9.3.5.4        Function diagram 2420 - Telegrams and process data ....................................................... 270
       9.3.5.5        Function diagram 2440 - PZD receive signals interconnection ........................................... 271
       9.3.5.6        Function diagram 2441 - STW1 control word interconnection VK-NAMUR ......................... 272
       9.3.5.7        Function diagram 2442 - STW1 control word interconnection SINAMICS ........................... 273
       9.3.5.8        Function diagram 2446 - STW3 control word interconnection ........................................... 274
       9.3.5.9        Function diagram 2450 - PZD send signals interconnection............................................... 275
       9.3.5.10       Function diagram 2451 - ZSW1 status word interconnection VIK-NAMUR .......................... 276
       9.3.5.11       Function diagram 2452 - ZSW1 status word interconnection SINAMICS............................. 277
       9.3.5.12       Function diagram 2456 - ZSW3 status word interconnection............................................. 278
       9.3.5.13       Function diagram 2468 - Receive telegram free interconnection ....................................... 279
       9.3.5.14       Function diagram 2470 - Send telegram free interconnection ........................................... 280
       9.3.5.15       Function diagram 2472 - Status word free interconnection ............................................... 281
       9.3.5.16       Function diagram 2473 - Control word and status word interconnection ........................... 282
       9.3.6          Function diagrams for internal control/status words.......................................................... 283
       9.3.6.1        Function diagram 2501 - Control word, sequence control (r0898) .................................... 283
       9.3.6.2        Function diagram 2503 - Status word, sequence control (r0899) ...................................... 285
       9.3.6.3        Function diagram 2505 - Control word, setpoint channel (r1198) ..................................... 286
       9.3.6.4        Function diagram 2510 - Status word 1 (r0052) ............................................................... 287
       9.3.6.5        Function diagram 2511 - Status word 2 (r0053) ............................................................... 288
       9.3.6.6        Function diagram 2512 - Control word 1 (r0054).............................................................. 289
       9.3.6.7        Function diagram 2513 - Supplementary control word (r0055)......................................... 290
       9.3.6.8        Function diagram 2522 - Status word, speed controller (r1407) ........................................ 291
       9.3.6.9        Function diagram 2526 - Status word, closed-loop control (r0056) ................................... 292
       9.3.6.10       Function diagram 2530 - Status word, current control (r1408).......................................... 293
       9.3.6.11       Function diagram 2534 - Status word, monitoring functions 1 (r2197) ............................. 294
       9.3.6.12       Function diagram 2536 - Status word, monitoring functions 2 (r2198) ............................. 295
       9.3.6.13       Function diagram 2537 - Status word, monitoring functions 3 (r2199) ............................. 296
       9.3.6.14       Function diagram 2546 - Control word, faults/alarms (r2138) ........................................... 297
       9.3.6.15       Function diagram 2548 - Status word, faults/alarms 1 and 2 (r2139 and r2135) ................ 298
       9.3.7          Jogging ........................................................................................................................... 299
       9.3.8          Switching over the drive control (command data set) ....................................................... 300
       9.3.9          Function diagram 8560 - Command Data Set.................................................................... 303
       9.3.10         Selecting physical units .................................................................................................... 304
       9.3.10.1       Unit system ..................................................................................................................... 304
       9.3.10.2       Technological unit of the technology controller ................................................................ 306
       9.3.11         Free function blocks......................................................................................................... 307
       9.3.11.1       Overview ......................................................................................................................... 307
       9.3.11.2       Runtime groups and run sequence ................................................................................... 308
       9.3.11.3       List of free function blocks ............................................................................................... 308
       9.3.11.4       Activating free function blocks ......................................................................................... 315
       9.3.11.5       Function diagram 7200 – Sampling times of the runtime groups ...................................... 317
       9.3.11.6       Function diagram 7210 - Logic block AND ........................................................................ 318
       9.3.11.7       Function diagram 7212 - Logic block OR........................................................................... 319
       9.3.11.8       Function diagram 7214 - Logic block EXCLUSIVE OR ......................................................... 320
       9.3.11.9       Function diagram 7216 - Logic block INVERTER................................................................. 321

SINAMICS G120XA PN converter
Operating Instructions, 09/2025, FW V1.05, A5E51610273A-AC                                                                                                 7
Table of contents

      9.3.11.10     Function diagram 7220 - Arithmetic blocks ADDER and SUBTRACTOR ................................ 322
      9.3.11.11     Function diagram 7222 - Arithmetic blocks MULTIPLIER and DIVIDER................................. 323
      9.3.11.12     Function diagram 7225 - Arithmetic block COMPARATOR .................................................. 324
      9.3.11.13     Function diagram 7230 - Timer block PULSE GENERATOR.................................................. 325
      9.3.11.14     Function diagram 7232 - Timer blocks SWITCH-ON DELAY................................................. 326
      9.3.11.15     Function diagram 7233 - Timer blocks SWITCH-OFF DELAY ............................................... 327
      9.3.11.16     Function diagram 7240 - Memory block RS flip-flop .......................................................... 328
      9.3.11.17     Function diagram 7250 - Switch block NUMERICAL SWITCHOVER ...................................... 329
      9.3.11.18     Function diagram 7260 - Control block LIMITER ................................................................ 330
      9.3.11.19     Function diagram 7270 - Block LIMIT MONITOR ................................................................ 331
      9.3.12        Controlling clockwise and counter-clockwise rotation via digital inputs ............................. 332
      9.3.12.1      Two-wire control, On/reverse............................................................................................ 332
      9.3.12.2      Two-wire control, clockwise/counter-clockwise rotation 1 ................................................. 333
      9.3.12.3      Two-wire control, clockwise/counter-clockwise rotation 2 ................................................. 335
      9.3.12.4      Three-wire control, enable/clockwise/counter-clockwise rotation....................................... 336
      9.3.12.5      Three-wire control, enable/ON/reverse.............................................................................. 338
      9.3.12.6      Function diagram 2272 - Two-wire control ....................................................................... 340
      9.3.12.7      Function diagram 2273 - Three-wire control ..................................................................... 341
      9.4           Pump control ................................................................................................................... 342
      9.4.1         Multi-pump control .......................................................................................................... 342
      9.4.1.1       Pump switch-in/switch-out ............................................................................................... 345
      9.4.1.2       Stop mode ....................................................................................................................... 349
      9.4.1.3       Pump switchover ............................................................................................................. 352
      9.4.1.4       Service mode................................................................................................................... 354
      9.4.2         Frost protection ............................................................................................................... 357
      9.4.3         Condensation protection.................................................................................................. 358
      9.4.4         Cavitation protection ....................................................................................................... 359
      9.4.5         Deragging ....................................................................................................................... 360
      9.4.6         Pipe filling........................................................................................................................ 363
      9.5           Setpoints and setpoint processing .................................................................................... 365
      9.5.1         Setpoints ......................................................................................................................... 365
      9.5.1.1       Analog input as setpoint source ....................................................................................... 367
      9.5.1.2       Specifying the setpoint via the fieldbus............................................................................. 368
      9.5.1.3       Motorized potentiometer as setpoint source ..................................................................... 369
      9.5.1.4       Fixed speed setpoint as setpoint source ............................................................................ 371
      9.5.1.5       Function diagram 3001 - Overview setpoint channel ........................................................ 374
      9.5.1.6       Function diagram 3010 - Fixed speed setpoints binary selection ....................................... 375
      9.5.1.7       Function diagram 3011 - Fixed speed setpoints direct selection ........................................ 376
      9.5.1.8       Function diagram 3020 - Motorized potentiometer........................................................... 377
      9.5.1.9       Function diagram 3030 - Setpoint scaling, jogging ........................................................... 378
      9.5.2         Setpoint processing.......................................................................................................... 379
      9.5.2.1       Overview ......................................................................................................................... 379
      9.5.2.2       Invert setpoint ................................................................................................................. 380
      9.5.2.3       Enable direction of rotation.............................................................................................. 381
      9.5.2.4       Skip frequency bands and minimum speed....................................................................... 382
      9.5.2.5       Speed limitation .............................................................................................................. 384
      9.5.2.6       Ramp-function generator ................................................................................................. 385
      9.5.2.7       Dual ramp function .......................................................................................................... 387
      9.5.2.8       Function diagram 3040 - Direction limitation and direction reversal .................................. 389
      9.5.2.9       Function diagram 3050 - Skip frequency bands ................................................................ 390
      9.5.2.10      Function diagram 3070 - Extended ramp-function generator ............................................ 391

                                                                                                                 SINAMICS G120XA PN converter
8                                                                                 Operating Instructions, 09/2025, FW V1.05, A5E51610273A-AC
                                                                                                                                    Table of contents

       9.5.2.11       Function diagram 3080 - Ramp-function generator status word ........................................ 392
       9.6            Technology controller ...................................................................................................... 393
       9.6.1          PID technology controller ................................................................................................. 393
       9.6.1.1        Autotuning the PID technology controller ......................................................................... 400
       9.6.1.2        Function diagram 7950 - Technology controller fixed setpoints binary selection ................ 403
       9.6.1.3        Function diagram 7951 - Technology controller fixed setpoints direct selection ................. 404
       9.6.1.4        Function diagram 7954 - Technology controller motorized potentiometer ......................... 405
       9.6.1.5        Function diagram 7958 - Technology controller closed-loop control .................................. 406
       9.6.1.6        Function diagram 7959 - Technology controller Kp/Tn adaptation ..................................... 407
       9.6.2          Free technology controllers .............................................................................................. 408
       9.6.3          Cascade control ............................................................................................................... 410
       9.6.4          Real time clock (RTC)........................................................................................................ 414
       9.6.5          Time switch (DTC)............................................................................................................ 416
       9.6.6          Function diagram 7030 - Technology functions, free technology controller ....................... 417
       9.6.7          Function diagram 7036 - Technology functions, free technology controller ....................... 418
       9.7            Motor control................................................................................................................... 419
       9.7.1          Reactor, filter and cable resistance at the converter output................................................ 419
       9.7.2          Setting the saturation characteristic of the permanent magnet synchronous motor (third-
                      party motor) .................................................................................................................... 420
       9.7.3          V/f control........................................................................................................................ 422
       9.7.3.1        V/f control........................................................................................................................ 422
       9.7.3.2        Optimizing motor starting................................................................................................ 425
       9.7.3.3        V/f control with Standard Drive Control............................................................................. 427
       9.7.3.4        Optimizing motor starting using Standard Drive Control ................................................... 429
       9.7.3.5        Function diagram 6300 - V/f control, overview ................................................................. 431
       9.7.3.6        Function diagram 6301 - V/f control, characteristic and voltage boost ............................... 432
       9.7.3.7        Function diagram 6310 - V/f control, resonance damping and slip compensation .............. 433
       9.7.3.8        Function diagram 6320 - V/f control, Vdc_max and Vdc_min controllers............................ 434
       9.7.3.9        Function diagram 6850 - Standard Drive Control, overview............................................... 435
       9.7.3.10       Function diagram 6851 - Standard Drive Control, characteristic and voltage boost ............ 436
       9.7.3.11       Function diagram 6853 - Standard Drive Control, resonance damping and slip
                      compensation.................................................................................................................. 437
       9.7.3.12       Function diagram 6854 - Standard Drive Control, Vdc_max and Vdc_min controllers ......... 439
       9.7.3.13       Function diagram 6855 - Standard Drive Control, DC quantity control ............................... 440
       9.7.3.14       Function diagram 6856 - Standard Drive Control, interface to the Power Module............... 441
       9.7.4          Encoderless vector control ............................................................................................... 442
       9.7.4.1        Structure of vector control without encoder (sensorless)................................................... 442
       9.7.4.2        Optimizing the speed controller ....................................................................................... 443
       9.7.4.3        Optimizing operation of the permanent magnet synchronous motor ................................ 446
       9.7.4.4        Function diagram 6020 - Vector control, overview ............................................................ 448
       9.7.4.5        Function diagram 6030 - Vector control, speed setpoint ................................................... 449
       9.7.4.6        Function diagram 6031 - Vector control, acceleration model............................................. 450
       9.7.4.7        Function diagram 6040 - Vector control, speed controller ................................................. 451
       9.7.4.8        Function diagram 6050 - Vector control, Kp and Tn adaptation ......................................... 452
       9.7.4.9        Function diagram 6060 - Vector control, torque setpoint .................................................. 453
       9.7.4.10       Function diagram 6220 - Vector control, Vdc_max and Vdc_min controllers ...................... 454
       9.7.4.11       Function diagram 6490 - Vector control, closed-loop speed control configuration.............. 455
       9.7.4.12       Function diagram 6491 - Vector control, flux control configuration ................................... 456
       9.7.4.13       Function diagram 6630 - Vector control, upper and lower torque limits............................. 457
       9.7.4.14       Function diagram 6640 - Vector control, current/power/torque limits ................................ 458
       9.7.4.15       Function diagram 6700 - Vector control, closed-loop current control overview .................. 459

SINAMICS G120XA PN converter
Operating Instructions, 09/2025, FW V1.05, A5E51610273A-AC                                                                                                 9
Table of contents

      9.7.4.16      Function diagram 6710 - Vector control, current setpoint filter.......................................... 460
      9.7.4.17      Function diagram 6714 - Vector control, Iq and Id controllers ........................................... 461
      9.7.4.18      Function diagram 6721 - Vector control, Id setpoint.......................................................... 462
      9.7.4.19      Function diagram 6722 - Vector control, field weakening characteristic flux setpoint ......... 463
      9.7.4.20      Function diagram 6723 - Vector control, field weakening controller flux controller ............ 464
      9.7.4.21      Function diagram 6724 - Vector control, field weakening controller .................................. 465
      9.7.4.22      Function diagram 6730 - Vector control, interface to the induction motor......................... 466
      9.7.4.23      Function diagram 6731 - Vector control, interface to the synchronous motor .................... 467
      9.7.4.24      Function diagram 6790 - Vector control, flux setpoint reluctance motor............................ 468
      9.7.4.25      Function diagram 6791 - Vector control, Id setpoint reluctance motor............................... 469
      9.7.4.26      Function diagram 6792 - Vector control, interface to the reluctance motor ....................... 470
      9.7.4.27      Function diagram 6797 - Vector control, closed-loop DC quantity control .......................... 471
      9.7.4.28      Function diagram 6799 - Vector control, display signals .................................................... 472
      9.7.4.29      Function diagram 6820 - Dynamic Drive Control, overview ............................................... 473
      9.7.4.30      Function diagram 6821 - Dynamic Drive Control, closed-loop current control .................... 474
      9.7.4.31      Function diagram 6822 - Dynamic Drive Control, acceleration model ................................ 475
      9.7.4.32      Function diagram 6824 - Dynamic Drive Control, speed controller .................................... 476
      9.7.4.33      Function diagram 6826 - Dynamic Drive Control, torque setpoint...................................... 477
      9.7.4.34      Function diagram 6827 - Dynamic Drive Control, Vdc_max and Vdc_min controller ........... 478
      9.7.4.35      Function diagram 6828 - Dynamic Drive Control, current/power/torque limits ................... 479
      9.7.4.36      Function diagram 6832 - Dynamic Drive Control, current setpoint filter ............................. 480
      9.7.4.37      Function diagram 6833 - Dynamic Drive Control, Iq and Id controllers............................... 481
      9.7.4.38      Function diagram 6834 - Dynamic Drive Control, flux setpoint .......................................... 482
      9.7.4.39      Function diagram 6835 - Dynamic Drive Control, Id setpoint reluctance motor .................. 483
      9.7.4.40      Function diagram 6836 - Dynamic Drive Control, Id setpoint synchronous motor............... 484
      9.7.4.41      Function diagram 6837 - Dynamic Drive Control, field weakening characteristic ................ 485
      9.7.4.42      Function diagram 6838 - Dynamic Drive Control, field weakening controller induction
                    motor .............................................................................................................................. 486
      9.7.4.43      Function diagram 6839 - Dynamic Drive Control, field weakening controller synchronous
                    motor .............................................................................................................................. 488
      9.7.4.44      Function diagram 6841 - Dynamic Drive Control, interface to the induction motor ............ 490
      9.7.4.45      Function diagram 6842 - Dynamic Drive Control, interface to the synchronous motor ....... 491
      9.7.4.46      Function diagram 6843 - Dynamic Drive Control, interface to the reluctance motor........... 493
      9.7.4.47      Function diagram 6844 - Dynamic Drive Control, DC quantity control................................ 494
      9.7.5         Electrically braking the motor........................................................................................... 495
      9.7.5.1       DC braking....................................................................................................................... 496
      9.7.5.2       Compound braking .......................................................................................................... 499
      9.7.5.3       Function diagram 7017 - Technology functions, DC braking.............................................. 501
      9.7.6         Pulse frequency wobbling ................................................................................................ 502
      9.7.7         Pole position identification ............................................................................................... 503
      9.8           Drive protection ............................................................................................................... 505
      9.8.1         Overcurrent protection..................................................................................................... 505
   

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