Siemens 6SR41 series Product User Manual page 8

Table of contents
5.3.6 Control Wire Way Section ........................................................................................................... 90
5.3.7 Cooling ........................................................................................................................................ 92
5.4 Long Cable Filters ....................................................................................................................... 97
5.4.1 Reactors and Capacitors............................................................................................................. 97
5.5 Synchronous Transfer Reactors ............................................................................................... 100
5.6 Motor Compatibility ................................................................................................................... 101
5.7 IEEE 519 Conformance ............................................................................................................ 102
5.8 Ride Through ............................................................................................................................ 103
6 Application and Operation...................................................................................................................... 105
6.1 Signal Frame of Reference for Motor Control ........................................................................... 106
6.1.1 Frame of Reference .................................................................................................................. 106
6.1.2 Signal Polarities ........................................................................................................................ 107
6.2 The Control Modes.................................................................................................................... 108
6.2.1 Open Loop Vector Control (OLVC) ........................................................................................... 110
6.2.2 Open Loop Test Mode (OLTM)................................................................................................. 110
6.2.3 Synchronous Motor Control (SMC)........................................................................................... 110
6.2.4 Volts/Hertz Control (V/Hz)......................................................................................................... 112
6.2.5 Closed Loop Control (CLVC or CSMC) .................................................................................... 113
6.2.6 Slip Cpmpensation .................................................................................................................... 113
6.2.7 Frequency Regulator................................................................................................................. 114
6.2.8 Torque Current Regulator ......................................................................................................... 115
6.2.9 Magnetizing Current Regulator ................................................................................................. 115
6.2.10 Flux Regulator........................................................................................................................... 115
6.2.11 Phase Lock Loop ...................................................................................................................... 115
6.3 High Performance Control......................................................................................................... 116
6.3.1 Low Speed Operation ............................................................................................................... 116
6.3.2 High Starting Torque ................................................................................................................. 116
6.4 System Program (SOP) ............................................................................................................ 118
6.5 Command Generator ................................................................................................................ 119
6.5.1 Raw Speed Reference .............................................................................................................. 119
6.5.2 Speed Profile............................................................................................................................. 120
6.5.3 Critical Speed Avoidance .......................................................................................................... 120
6.5.4 Polarity Control.......................................................................................................................... 120
6.5.5 Speed Ramp ............................................................................................................................. 120
6.5.6 Speed Limit ............................................................................................................................... 121
6.6 Energy Saver ............................................................................................................................ 122
6.7 Drive Output Torque Limiting .................................................................................................... 124
6.7.1 Torque/Regeneration Limit........................................................................................................ 124
6.7.2 Input Under-Voltage Rollback ................................................................................................... 125
6.7.3 Input Single-Phase Rollback ..................................................................................................... 126
6.7.4 Transformer Thermal Rollback ................................................................................................. 126
6.7.5 Field-Weakening Limit............................................................................................................... 126
6.7.6 Cell Current Overload ............................................................................................................... 127
6.8 Drive Tuning.............................................................................................................................. 128
6.8.1 Auto Tuning............................................................................................................................... 128
6.8.2 Spinning Load ........................................................................................................................... 129
6.9 User IO ...................................................................................................................................... 131
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Operating Instructions, Version AE 12/2009, A5E01454341C
Product User Manual