Tuning
9.9 PI/P switching
SINAMICS V90, SIMOTICS S-1FL6
336
Operating Instructions, 04/2019, A5E36037884-007
9.9.1
PI/P switching using torque setpoint
When torque setpoint exceeds preset torque value (p29141), the speed loop is switched
from PI control to P control.
Parameter settings
Parameter
Value range
Setting value
Unit
Description
p29140
0 to 5
1
-
Switches PI control to P control using torque setpoint
p29141
0 to 300
200 (default)
%
Torque threshold for automatically triggering PI to P
switch
p29120[0]
0 to 999999
0.3 (default)
Nms/rad Speed loop gain 1
p29121[0]
0 to 100000
15 (default)
ms
Speed loop integral time 1
Note
Speed setpoint
For detailed information about speed setpoint, refer to "Configuring speed setpoint
(Page 256)".
Torque setpoint
For detailed information about torque setpoint, refer to "Torque setpoint (Page 261)".