Control functions
7.3 Pulse train input position control (PTI)
SINAMICS V90, SIMOTICS S-1FL6
230
Operating Instructions, 04/2019, A5E36037884-007
Internal speed limit
Select an internal speed limit by setting the following parameters.
Parameter
Range
Default
Unit
Description
Digital input
SLIM2
SLIM1
p29070[0]
0 to 210000
210000
rpm Internal speed limit 1 (posi-
tive)
0
0
p29070[1]
0 to 210000
210000
rpm Internal speed limit 2 (posi-
tive)
1
0
p29070[2]
0 to 210000
210000
rpm Internal speed limit 3 (posi-
tive)
1
1
p29071[0]
-210000 to 0
-210000
rpm Internal speed limit 1 (neg-
ative)
0
0
p29071[1]
-210000 to 0
-210000
rpm Internal speed limit 2 (neg-
ative)
1
0
p29071[2]
-210000 to 0
-210000
rpm Internal speed limit 3 (neg-
ative)
1
1
Note
After the motor is commissioned, p1082, p1083, p1086, p29070 and p29071 set to the
maximum speed of the motor automatically.
External speed limit
Select an external speed limit by setting the following parameters.
Parameter Value range
Default
Unit
Description
p29060
6 to 210000
3000
rpm
Scaling for analog speed setpoint (maximum
speed setpoint corresponding to 10 V)
p29061
-0.5000 to
0.5000
0.0000
V
Offset adjustment for analog input 1 (speed
setpoint)
7.3.9
Torque limit
Four sources in total are available for the torque limit. You can select one of them via a
combination of digital input signals TLIM1 and TLIM2.
Digital input
Torque limit
TLIM2
TLIM1
0
0
Internal torque limit 1
0
1
External torque limit (analog input 2)
1
0
Internal torque limit 2
1
1
Internal torque limit 3
