Siemens SINAMICS S110 List Manual page 210

Parameter
List of parameters
The output value of the ramp-function generator is tracked (corrected) corresponding to the maximum possible
drive acceleration. The reference value is the deviation at the speed/velocity controller input that is necessary to
ensure that the motor accelerates at the torque/force limit.
Recommend.: p1145 = 0.0:
This value de-activates the ramp-function generator tracking.
p1145 = 0.0 ... 1.0:
Generally, these values are not practical. They cause the motor to accelerate below its torque limit. The lower the
selected value, the greater the margin between the controller and torque limit when accelerating.
p1145 > 1.0:
The greater the value, the higher the permissible deviation between the speed setpoint and speed actual value.
Notice: If ramp-function generator tracking is activated and the ramp time is set too short, this can cause unsteady acceler-
ation.
Remedy:
- switch off ramp-function generator tracking (p1145 = 0).
- increase the ramp-up/ramp-down time (p1120, p1121).
Note: In the U/f mode, ramp-function generator tracking is not active.
For SERVO with U/f operation, the following applies:
The complete ramp-function generator is not active, i.e. ramp-up and ramp-down time = 0.
p1148[0...n] Ramp-function gen., tolerance for ramp-up and ramp-down active / RFG tol HL/RL act
SERVO_S110-CAN Can be changed: U, T
(Extended set),
Data type: FloatingPoint32
SERVO_S110-DP
P-Group: Setpoints
(Extended set),
Not for motor type: -
SERVO_S110-PN
(Extended set)
Min
0.000 [rpm]
Description: Sets the tolerance value for the status of the ramp-function generator (ramp-up active, ramp-down active).
If the input of the ramp-function generator does not change in comparison to the output by more than the entered
tolerance time, then the status bits "ramp-up active" and "ramp-down active" are not influenced.
Dependency: Refer to: r1199
r1149 CO: Ramp-function generator, acceleration / RFG acceleration
SERVO_S110-CAN Can be changed: -
(Extended set),
Data type: FloatingPoint32
SERVO_S110-DP
P-Group: Setpoints
(Extended set),
Not for motor type: -
SERVO_S110-PN
(Extended set)
Min
- [rev/s²]
Description: Displays the acceleration of the ramp-function generator.
Dependency: Refer to: p1145
r1150 CO: Ramp-function generator speed setpoint at the output / RFG n_set at outp
SERVO_S110-CAN Can be changed: -
(Extended set),
Data type: FloatingPoint32
SERVO_S110-DP
P-Group: Setpoints
(Extended set),
Not for motor type: -
SERVO_S110-PN
(Extended set)
Min
- [rpm]
Description: Displays the setpoint at the output of the ramp-function generator.
1-210
Calculated: -
Dynamic index: DDS, p0180
Units group: 3_1
Scaling: -
Max
1000.000 [rpm]
Calculated: -
Dynamic index: -
Units group: 39_1
Scaling: p2007
Max
- [rev/s²]
Calculated: -
Dynamic index: -
Units group: 3_1
Scaling: p2000
Max
- [rpm]
© Siemens AG 2012 All Rights Reserved
SINAMICS S110 List Manual (LH7), 06/2012, 6SL3097-4AP10-0BP3
Access level: 3
Func. diagram: 3060, 3070
Unit selection: p0505
Expert list: 1
Factory setting
19.800 [rpm]
Access level: 3
Func. diagram: 3060, 3070
Unit selection: p0505
Expert list: 1
Factory setting
- [rev/s²]
Access level: 3
Func. diagram: 1550, 3080
Unit selection: p0505
Expert list: 1
Factory setting
- [rpm]