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 201)".
Torque setpoint
For detailed information about torque setpoint, refer to "Torque setpoint (Page 208)".
9.9.2

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

DI settings
● Position control mode
270
Setting value
1
200 (default)
0.3 (default)
15 (default)
Signal
G-CHANGE
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.
Description
Description
SINAMICS V90, SIMOTICS S-1FL6
Operating Instructions, 09/2015, A5E36037884