2 Parameters
2.2 List of parameters
SINAMICS DCM
410 List Manual (LH8), 02/2015, 6RX1800-0ED76
Description: Sets the inverter stability limit for the firing angle of the armature converter.
Dependency: Refer to: r53190
Note: The status of the Alpha W limit is shown in r53190.8.
Description: Setting of the number of line periods for line frequency correction in the armature circuit.
Note: The internal line synchronization for the armature firing pulses derived from the power terminals (line infeed) is
averaged over the number of line periods set in this parameter.
In the case of operation on "weak" power supplies with unstable frequencies (on a diesel-driven generator, for
example (isolated operation), this parameter must be set lower than for operation on "constant V/Hz" systems to
achieve a higher frequency correction speed.
Description: Sets the control word for armature pre-control.
Value: 0: Armature pre-control disabled and pre-control = 165 °
1: Armature pre-control active
2: Armature pre-control active EMF only with torque direction chge
3: Armature pre-control active EMF irrelevant
Note: If value = 3:
For pre-control, in this case the EMF is applied with a value of 0 (recommended setting in the case of supplying high
inductances from armature terminals, e.g. solenoids, field supply).
Description: Sets activation/de-activation of the integral component on the armature current controller.
Value: 0: Deactivated
1: Activated
p50151[0...n] Armature converter Alpha W limit / Arm Alpha W lim
DC_CTRL Can be changed: U, T Calculated: - Access level: 3
Data type: FloatingPoint32 Dyn. index: DDS, p0180 Func. diagram: 6860
P-Group: - Unit group: - Unit selection: -
Not for motor type: - Scaling: - Expert list: 1
Min Max Factory setting
120.0 [°] 165.0 [°] 150.0 [°]
p50152[0...n] Armature average number of line periods / Arm line per no.
DC_CTRL Can be changed: T Calculated: - Access level: 3
Data type: Unsigned16 Dyn. index: DDS, p0180 Func. diagram: 6950
P-Group: - Unit group: - Unit selection: -
Not for motor type: - Scaling: - Expert list: 1
Min Max Factory setting
1 20 20
p50153[0...n] Control word for armature pre-control / A prec STW
DC_CTRL Can be changed: T Calculated: - Access level: 2
Data type: Integer16 Dyn. index: DDS, p0180 Func. diagram: 6855
P-Group: - Unit group: - Unit selection: -
Not for motor type: - Scaling: - Expert list: 1
Min Max Factory setting
0 3 1
p50154[0...n] Closed-loop armature current control integral comp activation / Ia ctr I comp act
DC_CTRL Can be changed: T Calculated: - Access level: 2
Data type: Integer16 Dyn. index: DDS, p0180 Func. diagram: 6855
P-Group: - Unit group: - Unit selection: -
Not for motor type: - Scaling: - Expert list: 1
Min Max Factory setting
0 1 1
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