Parameters
List of Parameters
1-184
© Siemens AG 2011 All Rights Reserved
SINAMICS G120 / Control Units CU240B/E-2 Parameter Manual (LH11), 01/2011
Description: Sets the dynamic factor for the Vdc_min controller (kinetic buffering).
100% means that p1290, p1291, and p1292 (gain, integral time, and rate time) are used corresponding to their
basic settings and based on a theoretical controller optimization.
If subsequent optimization is required, this can be carried out using the dynamic factor. In this case, p1290, p1291,
and p1292 are weighted with the dynamic factor p1287.
Description: Sets the feedback factor for the ramp-function generator. Its ramp times are decelerated relative to the output signal
of the Vdc_max controller.
Note: For values p1288 = 0.0 to 0.5, the controller dynamics are automatically adapted internally.
Description: Sets the proportional gain for the Vdc controller (DC link voltage controller).
Note: The gain factor is proportional to the capacitance of the DC link. The parameter is pre-set to a value that is optimally
adapted to the capacitance of the power unit.
Description: Sets the integral time for the Vdc controller (DC link voltage controller).
Description: Sets the rate time constant for the Vdc controller (DC link voltage controller).
p1287[0...n] Vdc_min controller dynamic factor (kinetic buffering) (U/f) / Vdc_min dyn_factor
PM240 Access level: 3 Calculated: p0340 = 1,3,4 Data type: FloatingPoint32
Can be changed: U, T Scaling: - Data set: DDS, p0180
Units group: - Unit selection: -
Min Max Factory setting
1 [%] 10000 [%] 100 [%]
p1288[0...n] Vdc_max controller feedback coupling factor ramp-fct. gen. (U/f) /
Vdc_max factor RFG
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
0.000 100.000 0.500
p1290[0...n] Vdc controller proportional gain (U/f) / Vdc_ctrl Kp
PM230
PM240
Access level: 3 Calculated: p0340 = 1,3,4 Data type: FloatingPoint32
Can be changed: U, T Scaling: - Data set: DDS, p0180
Units group: - Unit selection: -
Min Max Factory setting
0.00 100.00 1.00
p1291[0...n] Vdc controller integral time (U/f) / Vdc_ctrl Tn
PM230
PM240
Access level: 3 Calculated: - Data type: FloatingPoint32
Can be changed: U, T Scaling: - Data set: DDS, p0180
Units group: - Unit selection: -
Min Max Factory setting
0 [ms] 10000 [ms] 40 [ms]
p1292[0...n] Vdc controller rate time (U/f) / Vdc_ctrl t_rate
PM230
PM240
Access level: 3 Calculated: p0340 = 1,3,4 Data type: FloatingPoint32
Can be changed: U, T Scaling: - Data set: DDS, p0180
Units group: - Unit selection: -
Min Max Factory setting
0 [ms] 1000 [ms] 10 [ms]
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