SINAMICS DCM
List Manual (LH8), 02/2015, 6RX1800-0ED76
473
2 Parameters
2.2 List of parameters
In the case of the "Acceleration dependent upon setpoint/actual value difference" function, only the proportion of the
speed controller's setpoint/actual value difference which has an absolute value in excess of the threshold (p50543) is
switched through.
Dependency: Refer to: p50543
Description: Sets the dt for the output of dy/dt in r52191.
The change in the ramp-function generator's output variable (p52190) in relation to the time set in p50542 is output in
r52191.
Dependency: Refer to: p50330, r52191
Note: Example:
A ramp-up time of 5 s is set on the ramp-function generator; in other words, a complete ramp-up from y = 0% to
100% will take 5 s.
A time difference dt of 2 s is set in p50542. This results in a dy/dt of 40% at r52191, since the set dt of 2s produces a
dy of (2 s / 5 s) * 100% = 40%.
Description: Sets the threshold for acceleration dependent upon the setpoint/actual value difference.
In the case of the "Acceleration dependent upon setpoint/actual value difference" function, only the proportion of the
speed controller's setpoint/actual value difference which has an absolute value in excess of the threshold (p50543) is
switched through.
Dependency: Refer to: p50541
Description: Sets the smoothing time constant for the acceleration value for moment of inertia compensation.
Dependency: Refer to: p50619
Description: Sets the y coordinate for pair of values 1 for adaptation of the P gain (Kp).
p50542[0...n] RFG dy/dt time difference / RFG dy/dt t_dif
DC_CTRL Can be changed: U, T Calculated: - Access level: 2
Data type: FloatingPoint32 Dyn. index: DDS, p0180 Func. diagram: 3152
P-Group: - Unit group: - Unit selection: -
Not for motor type: - Scaling: - Expert list: 1
Min Max Factory setting
0.00 [s] 1000.00 [s] 0.01 [s]
p50543[0...n] Speed controller setpoint/actual value difference threshold / Set/act dif thresh
DC_CTRL Can be changed: U, T Calculated: - Access level: 2
Data type: FloatingPoint32 Dyn. index: DDS, p0180 Func. diagram: 6820
P-Group: - Unit group: - Unit selection: -
Not for motor type: - Scaling: PERCENT Expert list: 1
Min Max Factory setting
0.00 [%] 100.00 [%] 0.00 [%]
p50546[0...n] Smoothing time constant for inertia compensation / Comp inert T
DC_CTRL Can be changed: U, T Calculated: - Access level: 2
Data type: FloatingPoint32 Dyn. index: DDS, p0180 Func. diagram: 6820
P-Group: - Unit group: - Unit selection: -
Not for motor type: - Scaling: - Expert list: 1
Min Max Factory setting
0 [ms] 10000 [ms] 0 [ms]
p50550[0...n] Speed controller adaptation Kp y coordinate 1 / Adapt Kp y1
DC_CTRL Can be changed: U, T Calculated: - Access level: 2
Data type: FloatingPoint32 Dyn. index: DDS, p0180 Func. diagram: 6805
P-Group: - Unit group: - Unit selection: -
Not for motor type: - Scaling: - Expert list: 1
Min Max Factory setting
0.10 2000.00 3.00
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