Functions
8.24 Open-loop and closed-loop control
Control Units CU240S
8-184 Operating Instructions, 11/2006, A5E00766042B AA
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Figure 8-96 Torque limits
Power limits
This value specifies the maximum permissible power, whereby different limits can be
parameterized for motoring and regenerative operation.
● P1530 Motor power limit
● P1531 Regenerative power limit
Stall limiting
The stall limiting (locked rotor limiting) is internally calculated for the drive from the motor
data.
Current limiting
The current limiting additionally limits the maximum torque which the motor can provide. If
the torque limit is increased, more torque is only available if a higher current can flow. It may
be necessary to also adapt the current limit. The current limiting is influenced by:
● P0640
● Thermal motor protection
● Thermal inverter protection
After limiting, the instantaneous maximum possible inverter current is displayed in parameter
r0067 (limited output current).
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