Parameters
List of parameters
1-358
© Siemens AG 2007 All Rights Reserved
SINAMICS S List Manual (LH1), 07/2007
Note: The gain factor is proportional to the capacitance of the DC link. The parameter is preset to a value that is optimally
adapted to the capacitance of the individual Motor Module. The capacitances of the other power units, which are
connected to the DC link, can be taken into account using the dynamic factor (p1247 or p1243).
Description: Sets the integral time for the Vdc controller (DC link voltage controller).
Dependency: The effective integral time is obtained taking into account p1243 (Vdc_max controller dynamic factor).
Note: An integral time is normally not required for single axis drives. For multi-axis drives on the other hand, it may be
possible to compensate for interference from other axes using the integral time (integral component) . An integral
time of 0 (default) de-activates the controller.
Description: Sets the rate time constant for the Vdc controller (DC link voltage controller).
Dependency: The effective rate time is obtained taking into account p1243 (Vdc_max controller dynamic factor).
Note: During controlled operation this parameter has no effect.
Description: Activates/de-activates the automatic sensing of the switch-in level for the Vdc_max controller.
Values: 0: Automatic detection disabled
1: Automatic detection enabled
Description: Sets the time threshold for the Vdc_min controller (kinetic buffering). If this value is exceeded a fault is output; the
required response can be parameterized .
Prerequisite: p1256 = 1.
Dependency: Refer to: F07406
p1251[0...n] Vdc controller integral time / Vdc_ctrl Tn
VECTOR (n/M) Can be changed: U, T Calculated: - Access level: 3
Data type: Floating Point Dynamic index: DDS, p0180 Func. diagram: 6220
P-Group: Functions Units group: - Unit selection: -
Not for motor type: REL Expert list: 1
Min Max Factory setting
0 [ms] 10000 [ms] 0 [ms]
p1252[0...n] Vdc controller rate time / Vdc_ctrl t_rate
VECTOR (n/M) Can be changed: U, T Calculated: - Access level: 3
Data type: Floating Point Dynamic index: DDS, p0180 Func. diagram: 6220
P-Group: Functions Units group: - Unit selection: -
Not for motor type: REL Expert list: 1
Min Max Factory setting
0 [ms] 1000 [ms] 0 [ms]
p1254 Vdc_max controller automatic ON level detection / Vdc_max SenseOnLev
VECTOR (n/M) Can be changed: U, T Calculated: - Access level: 3
Data type: Integer16 Dynamic index: - Func. diagram: -
P-Group: Functions Units group: - Unit selection: -
Not for motor type: REL Expert list: 1
Min Max Factory setting
0 1 1
p1255[0...n] Vdc_min controller time threshold / Vdc_min t_thresh
VECTOR (n/M) Can be changed: U, T Calculated: - Access level: 3
Data type: Floating Point Dynamic index: DDS, p0180 Func. diagram: -
P-Group: Functions Units group: - Unit selection: -
Not for motor type: REL Expert list: 1
Min Max Factory setting
0.000 [s] 10000.000 [s] 0.000 [s]
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