Tuning
9.8 Gain switching
SINAMICS V90, SIMOTICS S-1FL6
Operating Instructions, 04/2019, A5E36037884-007
331
9.8.1
Gain switching using an external digital input signal (G-CHANGE)
DI settings
●
Position control mode
Signal
Pin assignment
Setting
Description
G-CHANGE
X8-9 (factory
setting)
0
The first group of gains is selected.
1
The second group of gains is selected.
●
Speed control mode
Signal
Pin assignment
Setting
Description
G-CHANGE To be assigned
0
The first group of gains is selected.
1
The second group of gains is selected.
Parameter settings (p29130 = 1)
Parameter
Range
Default
Unit
Description
p29110[0]
0.00 to
300.00
Motor de-
pendent
1000/mi
n
Position loop gain 1
p29110[1]
0.00 to
300.00
1.00
1000/mi
n
Position loop gain 2
p29120[0]
0 to 999999 Motor de-
pendent
Nms/rad Speed loop gain 1
p29120[1]
0 to 999999 0.3
Nms/rad Speed loop gain 2
p29121[0]
0 to 100000 15
ms
Speed loop integral time 1
p29121[1]
0 to 100000 20
ms
Speed loop integral time 2
p29139
8 to 1000
20
ms
Time constant to smooth the switching be-
tween gain sets
Timing diagram
Note
If the pulse duration is shorter than 10 ms, there is no reaction.
