SINAMICS G120 Control Units CU240B-2/CU240E-2
List Manual (LH11), 01/2016, A5E33839529
257
2 Parameters
2.2 List of parameters
Description: Sets the filter time constant for the DC link voltage.
This time constant is used to calculate the modulation depth.
Description: DC link voltage used to determine the maximum possible output voltage.
Description: Displays the effective modulator mode.
Value: 1: Flat top modulation (FLB)
2: Space vector modulation (SVM)
9: Optimized pulse pattern
Description: Sets the configuration for the modulator.
Notice: Bit 1 = 1 can only be set under a pulse inhibit and for r0192.14 = 1.
Note: For bit 00 = 0:
Voltage limitation from the minimum of the DC link voltage (lower ripple in the output current, reduced output
voltage).
For bit 00 = 1:
Voltage limitation from averaged DC link voltage (higher output voltage with increased ripple in the output current).
The selection is only valid if the DC link compensation is not performed in the Control Unit (bit 1 = 0).
For bit 01 = 0:
DC link voltage compensation in the modulator.
For bit 01 = 1:
DC link voltage compensation in the current control.
p1806[0...n] Filter time constant Vdc correction / T_filt Vdc_corr
PM240 Access level: 3 Calculated: p0340 = 1,3 Data type: FloatingPoint32
Can be changed: U, T Scaling: - Dyn. index: DDS, p0180
Unit group: - Unit selection: - Func. diagram: -
Min Max Factory setting
0.0 [ms] 10000.0 [ms] 0.0 [ms]
r1808 DC link voltage actual value for U_max calculation / Vdc act val U_max
Access level: 4 Calculated: - Data type: FloatingPoint32
Can be changed: - Scaling: p2001 Dyn. index: -
Unit group: 5_2 Unit selection: p0505 Func. diagram: -
Min Max Factory setting
- [V] - [V] - [V]
r1809 CO: Modulator mode actual / Modulator mode act
Access level: 4 Calculated: - Data type: Integer16
Can be changed: - Scaling: - Dyn. index: -
Unit group: - Unit selection: - Func. diagram: -
Min Max Factory setting
1 9 -
p1810 Modulator configuration / Modulator config
Access level: 3 Calculated: - Data type: Unsigned16
Can be changed: U, T Scaling: - Dyn. index: -
Unit group: - Unit selection: - Func. diagram: -
Min Max Factory setting
- - 0000 bin
Bit field: Bit Signal name 1 signal 0 signal FP
00 Avg value filter for U_lim (only for
Vdc_comp. in modulator)
Yes No -
01 DC link voltage compensation in the current
control
Yes No -
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