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Siemens Sinamics G110M Original Instructions Manual Page 9

Distributed converter for simogear geared motors.
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7.5.5.3
Acyclic communication - manufacturer-specific .................................................................... 158
8
Functions ............................................................................................................................................ 161
8.1
Overview of converter functions ........................................................................................... 161
8.2
Inverter control ...................................................................................................................... 163
8.2.1
Switching the motor on and off ............................................................................................. 163
8.2.2
Running the motor in jog mode (JOG function) .................................................................... 164
8.2.3
Switching over the converter control (command data set) ................................................... 165
8.3
Command sources ................................................................................................................ 168
8.4
Setpoint sources ................................................................................................................... 169
8.4.1
Analog input as setpoint source ............................................................................................ 170
8.4.2
Specifying the motor speed via the fieldbus ......................................................................... 170
8.4.3
Electromechanical potentiometer ......................................................................................... 171
8.4.4
Motorized potentiometer as setpoint source ......................................................................... 172
8.4.5
Fixed speed as setpoint source ............................................................................................ 173
8.5
Setpoint calculation ............................................................................................................... 176
8.5.1
Overview of setpoint processing ........................................................................................... 176
8.5.2
Invert setpoint ....................................................................................................................... 176
8.5.3
Inhibit direction of rotation ..................................................................................................... 177
8.5.4
Skip frequency bands and minimum speed .......................................................................... 177
8.5.5
Speed limitation .................................................................................................................... 178
8.6
Motor control ......................................................................................................................... 181
8.6.1
V/f control .............................................................................................................................. 182
8.6.1.1
Characteristics of U/f control ................................................................................................. 183
8.6.1.2
Selecting the U/f characteristic ............................................................................................. 184
8.6.1.3
Optimizing motor starting ...................................................................................................... 185
8.6.2
Vector control with closed loop speed control ...................................................................... 187
8.6.2.1
Characteristics of the closed loop speed control .................................................................. 187
8.6.2.2
Select motor control .............................................................................................................. 188
8.6.2.3
Optimizing the speed controller ............................................................................................ 189
8.6.2.4
Friction characteristic ............................................................................................................ 191
8.6.2.5
Moment of inertia estimator .................................................................................................. 193
8.6.3
Torque control ....................................................................................................................... 199
8.7
Protection functions .............................................................................................................. 200
8.7.1
Inverter temperature monitoring ........................................................................................... 200
8.7.2
Motor temperature monitoring using a temperature sensor ................................................. 203
8.7.3
Protecting the motor by calculating the motor temperature .................................................. 206
8.7.4
Overcurrent protection .......................................................................................................... 207
8.7.5
Limiting the maximum DC link voltage .................................................................................. 208
8.8
Status messages .................................................................................................................. 209
8.8.1
System runtime ..................................................................................................................... 210
8.9
Application-specific functions ................................................................................................ 210
8.9.1
Calculating the energy saving ............................................................................................... 210
8.9.2
Unit changeover .................................................................................................................... 213
8.9.2.1
Changing over the motor standard ....................................................................................... 214
8.9.2.2
Changing over the unit system ............................................................................................. 214
8.9.2.3
Changing over units for the technology controller ................................................................ 215
8.9.2.4
Switching units with STARTER ............................................................................................. 215
SINAMICS G110M Operating Instructions
Operating Instructions, 04/2015, FW V4.7.3, A5E31298649B AD
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