Parameters
List of parameters
1-488
© Siemens AG 2007 All Rights Reserved
SINAMICS S List Manual (LH1), 07/2007
Values: 1: Flat top modulation (FLB)
2: Space vector modulation (SVM)
3: Edge modulation from 28 Hz; 23:3
4: Edge modulation from 28 Hz; 19:1
5: Edge modulation from 60 Hz; 17:3
6: Edge modulation from 60 Hz; 17:1
7: Edge modulation from 100 Hz; 9:2
8: Edge modulation from 100 Hz; 9:1
Description: Sets the minimum ratio between the pulse frequency and the output frequency.
Notice: If the ratio between the pulse frequency and the output frequency is reduced, then oscillations can occur in the out-
put current that can result in significant levels of current ripple with the appropriate negative effects.
Note: When the maximum speed is changed, the pulse frequency p1800 is automatically limited to this minimum ratio. It
is not permissible to reduce the pulse frequency if this would result in this ratio being fallen below.
Description: Sets the direction reversal for the Motor Module output phases without changing the speed setpoint.
Values: 0: Off
1: On
Note: This setting can only be changed when the pulses are inhibited.
When a speed encoder is being used, it may be necessary to also invert the encoder actual value (p0410).
Description: Sets the direction of reversal of the motor.
Values: 0: No direction of reversal
1: Direction reversal
Dependency: Refer to: F07434
Notice: For a drive data set changeover with differently set direction reversal and pulse enable, an appropriate fault is out-
put.
Note: If the parameter is changed, it reverses the direction of rotation of the motor without changing the setpoint.
For direction of rotation reversal, the rotating field direction of the current controller is reversed. The speed actual
value (e.g. r0063) is also reversed so that the control sense is kept and internally causing the direction of rotation to
be reversed with the same setpoint.
Further, the position actual values of the actual encoder are reversed (e.g. r0482[0...2]).
p1817 Minimum ratio, pulse frequency to the output frequency / Min f_puls / f_max
VECTOR Can be changed: C2(2) Calculated: - Access level: 4
Data type: Floating Point Dynamic index: - Func. diagram: -
P-Group: Converter Units group: - Unit selection: -
Not for motor type: - Expert list: 1
Min Max Factory setting
8.3 15.0 12.0
p1820[0...n] Direction reversal output phases / Dir_rev outp_ph
VECTOR Can be changed: C2(3) Calculated: - Access level: 3
Data type: Integer16 Dynamic index: DDS, p0180 Func. diagram: -
P-Group: Motor Units group: - Unit selection: -
Not for motor type: - Expert list: 1
Min Max Factory setting
0 1 0
p1821[0...n] Direction reversal rotating field / Dir_rev rot_field
SERVO, VECTOR Can be changed: C2(3) Calculated: - Access level: 3
Data type: Integer16 Dynamic index: DDS, p0180 Func. diagram: -
P-Group: Motor Units group: - Unit selection: -
Not for motor type: - Expert list: 1
Min Max Factory setting
0 1 0
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