Siemens SIMATIC ET 200pro FC-2 Operating Instructions Manual page 7

7.7.1 Description of functions......................................................................................................... 117
7.7.2 ((Precondition for using STO)) .............................................................................................. 119
7.7.3 Commissioning STO ............................................................................................................. 119
7.7.3.1 Commissioning tool ............................................................................................................... 119
7.7.3.2 Safety functions password .................................................................................................... 120
7.7.3.3 Protection of the settings from unauthorized changes ......................................................... 120
7.7.3.4 Configuring safety functions ................................................................................................. 121
7.7.3.5 Interconnecting the "STO active" signal ............................................................................... 122
7.7.3.6 Setting the STO input signal ................................................................................................. 123
7.7.3.7 Setting the forced checking procedure (test stop) ................................................................ 124
7.7.3.8 Activate settings .................................................................................................................... 125
7.7.3.9 Approval - completing commissioning .................................................................................. 126
7.8 Setpoints ............................................................................................................................... 129
7.8.1 Overview ............................................................................................................................... 129
7.8.2 Specifying the setpoint via the fieldbus................................................................................. 131
7.8.3 Motorized potentiometer as setpoint source ......................................................................... 132
7.8.4 Fixed speed as setpoint source ............................................................................................ 136
7.9 Setpoint calculation ............................................................................................................... 138
7.9.1 Overview ............................................................................................................................... 138
7.9.2 Invert setpoint ....................................................................................................................... 139
7.9.3 Inhibit direction of rotation ..................................................................................................... 139
7.9.4 Skip frequency bands and minimum speed .......................................................................... 140
7.9.5 Speed limitation .................................................................................................................... 141
7.9.6 Ramp-function generator ...................................................................................................... 141
7.10 PID technology controller ...................................................................................................... 145
7.11 Motor control ......................................................................................................................... 150
7.11.1 V/f control .............................................................................................................................. 151
7.11.1.1 Characteristics of U/f control ................................................................................................. 152
7.11.1.2 Selecting the U/f characteristic ............................................................................................. 153
7.11.1.3 Optimizing motor starting ...................................................................................................... 154
7.11.2 Vector control ........................................................................................................................ 156
7.11.2.1 Structure of vector control without encoder (sensorless) ..................................................... 156
7.11.2.2 Select motor control .............................................................................................................. 157
7.11.2.3 Optimizing the speed controller ............................................................................................ 157
7.11.2.4 Friction characteristic ............................................................................................................ 159
7.11.2.5 Moment of inertia estimator .................................................................................................. 162
7.12 Braking the motor electrically ................................................................................................ 167
7.12.1 DC braking ............................................................................................................................ 167
7.12.2 Braking with regenerative feedback to the line ..................................................................... 171
7.13 Overcurrent protection .......................................................................................................... 172
7.14 Inverter protection using temperature monitoring ................................................................. 173
7.15 Motor temperature monitoring using a temperature sensor ................................................. 176
7.16 Motor protection by calculating the temperature .................................................................. 180
7.17 Breakdown protection ........................................................................................................... 182
7.18 Efficiency optimization .......................................................................................................... 183
7.19 PROFIenergy profile for PROFINET ..................................................................................... 186
SIMATIC ET 200pro FC-2 converter
Operating Instructions, 04/2018, FW V4.7 SP10, A5E34257324B AF
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