List of Parameters
Parameters
1-161
© Siemens AG 2011 All Rights Reserved
SINAMICS G120 Control Units CU240B/E-2 Parameter Manual (LH11), 01/2011
Description: Sets the ramp-function generator tracking.
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.
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.
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
Description: Displays the acceleration of the ramp-function generator.
Dependency: Refer to: p1145
Description: Displays the setpoint at the output of the ramp-function generator.
p1145[0...n] Ramp-function generator tracking intensity. / RFG track intens
Access level: 4 Calculated: - Data type: FloatingPoint32
Can be changed: U, T Scaling: - Data set: DDS, p0180
Units group: - Unit selection: -
Min Max Factory setting
0.0 50.0 0.0
p1148[0...n] Ramp-function gen., tolerance for ramp-up and ramp-down active / RFG tol HL/RL act
Access level: 3 Calculated: - Data type: FloatingPoint32
Can be changed: U, T Scaling: - Data set: DDS, p0180
Units group: 3_1 Unit selection: p0505
Min Max Factory setting
0.000 [rpm] 1000.000 [rpm] 19.800 [rpm]
r1149 CO: Ramp-function generator, acceleration / RFG acceleration
Access level: 3 Calculated: - Data type: FloatingPoint32
Can be changed: - Scaling: p2007 Data set: -
Units group: 39_1 Unit selection: p0505
Min Max Factory setting
- [rev/s²] - [rev/s²] - [rev/s²]
r1150 CO: Ramp-function generator speed setpoint at the output / RFG n_set at outp
Access level: 4 Calculated: - Data type: FloatingPoint32
Can be changed: - Scaling: p2000 Data set: -
Units group: 3_1 Unit selection: p0505
Min Max Factory setting
- [rpm] - [rpm] - [rpm]
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