Servo control
4.5 Torque setpoint limitation
Drive functions
98 Function Manual, 11/2017, 6SL3097-4AB00-0BP5
Torque setpoint limitation
The steps required for limiting the torque setpoint are as follows:
● Define the torque setpoint and an additional torque setpoint
● Generate torque limits
The torque setpoint can be limited to a maximum permissible value in all four quadrants.
Different limits can be parameterized for motor and regenerative modes.
Figure 4-7 Current/torque setpoint limiting
Note
This function is always active with the preset factory settings.
The connector inputs of the function are initialized with fixed torque limits. If required, the
torque limits can also be defined dynamically (during operation).
● A control bit can be used to select the torque limitation mode. The following alternatives
are available:
– Upper and lower torque limit
– Motor and regenerative torque limit
● Additional power limitation configurable
– Motor mode power limit
– Regenerative mode power limit
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