2 Parameters
2.2 List of parameters
SINAMICS DCM
412 List Manual (LH8), 02/2015, 6RX1800-0ED76
Description: Sets the ramp-up time for the setpoint integrator during current limitation.
Duration of a ramp-up in the event of a setpoint jump from 0 to 100% of parameter r50072[1].
Notice: When setting a ramp-up time > 0.000 s, it is not permissible to enter a supplementary current setpoint via p50601[5].
p50601[5] must be set = 0.
Possible effect if this is not observed:
Torque direction change will not be able to be completed. The drive remains in one torque direction.
Description: Sets the changeover threshold for the torque direction in the auto-reversing stage.
Description: Sets the additional torque-free interval when switching over the torque direction in the auto-reversing stage.
Description: Sets the additional Alpha W pulses with inhibited second pulse in the auto-reversing stage.
Recommendation: This parameter should be set to values > 0 in particular when supplying high inductances (e.g. infeed of solenoids).
Dependency: Refer to: p50179
Note: Number of additional Alpha W pulses with disabled second pulse following detection of I = 0 signal prior to a change
in torque direction.
These pulses cause the current to decay prior to a change in torque direction.
When it drops below the thyristor holding current value, the current is suddenly chopped by the unfired second
thyristor and the residual energy stored in the load inductance must be dissipated via a protective circuit (e.g. a
varistor) to prevent the load inductance from producing an overvoltage.
p50158[0...n] Current limitation setpoint integrator ramp-up time / Set integ t_r-up
DC_CTRL Can be changed: U, T Calculated: - Access level: 2
Data type: FloatingPoint32 Dyn. index: DDS, p0180 Func. diagram: 6845
P-Group: - Unit group: - Unit selection: -
Not for motor type: - Scaling: - Expert list: 1
Min Max Factory setting
0.000 [s] 1.000 [s] 0.000 [s]
p50159[0...n] Auto-reversing stage changeover threshold / Auto-rev thresh
DC_CTRL Can be changed: U, T Calculated: - Access level: 2
Data type: FloatingPoint32 Dyn. index: DDS, p0180 Func. diagram: 6860
P-Group: - Unit group: - Unit selection: -
Not for motor type: - Scaling: PERCENT Expert list: 1
Min Max Factory setting
0.00 [%] 100.00 [%] 0.01 [%]
p50160[0...n] Auto-reversing stage additional torque-free interval / Auto-rev interval
DC_CTRL Can be changed: U, T Calculated: - Access level: 2
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
0.000 [s] 2.000 [s] 0.000 [s]
p50161[0...n] Auto-reversing stage Alpha W pulses second pulse inhibited / Auto-rev Alpha W1
DC_CTRL Can be changed: U, T Calculated: - Access level: 2
Data type: Unsigned16 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
0 50000 0
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