Pi/P Switching Using Torque Setpoint; Pi/P Switching Using An External Digital Input Signal (G-Change) - Siemens SINAMICS V90 Operating Instructions Manual

Tuning
9.9 PI/P switching
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
p29140 0 to 5
p29141 0 to 300
p29120[0] 0 to 999999
p29121[0] 0 to 100000
Note
Speed setpoint
For detailed information about speed setpoint, refer to "Configuring speed setpoint
(Page 174)".
Torque setpoint
For detailed information about torque setpoint, refer to "Torque setpoint (Page 180)".
9.9.2

PI/P switching using an external digital input signal (G-CHANGE)

DI settings
● Position control mode
248
Setting value
1
200 (default)
0.3 (default)
15 (default)
Signal Pin assignment
G-CHANGE X8-9 (factory
setting)
Unit
- Switches PI control to P control using torque setpoint
% Torque threshold for automatically triggering PI to P
switch
Nms/rad Speed loop gain 1
ms Speed loop integral time 1
Setting
0 The first group of gains is selected.
1 The second group of gains is selected.
Operating Instructions, 07/2015, 6SL3298-0AV60-0BP0
Description
Description
SINAMICS V90, SIMOTICS S-1FL6