Siemens MICROMASTER 440 Operating Instructions Manual page 184

3 Functions
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 drive inverter protection
After limiting, the instantaneous maximum possible drive inverter current is
displayed in parameter r0067 (limited output current).
184
motor overload factor
(refer to Section 3.20)
(refer to Section 3.21)
MICROMASTER 440
Issue 10/03
Operating Instructions
6SE6400-5AW00-0BP0