2 Parameters
2.2 List of parameters
SINAMICS DCM
432 List Manual (LH8), 02/2015, 6RX1800-0ED76
Description: Sets the operating mode for the "Freeze field current setpoint" function.
Value: 0: Never freeze
1: Freeze for tachometer breakage
2: Freeze for every fault
Notice: For settings 0 and 1, when a fault message occurs, the EMF control remains active.
Even if the speed sensing is faulted or if the contactor on the DC side is open.
In these cases, the EMF controller cannot prevent overvoltages occurring at the motor.
As a consequence, measures must be ensured on the system side that ensure that the motor is not damaged by
overvoltages.
Description: Sets activation/de-activation of automatic field current reduction if the EMF is too high for braking operation.
Value: 0: Fault
1: Alarm and field reduction
Dependency: Refer to: F60043, A60143
Note: If value = 0:
If the EMF is too high for braking operation, a message is output accordingly.
Description: Sets activation/de-activation for EMF controller pre-control.
Value: 0: Deactivated
1: Activated
Note: If value = 0:
The EMF controller's pre-control output is set to 100% (corresponding to the rated excitation current of the motor
(p50102)).
Description: Sets activation/de-activation of the integral component on the EMF controller.
p50269 Freeze field current setpoint operating mode / If freeze op_mode
DC_CTRL Can be changed: U, T Calculated: - Access level: 2
Data type: Integer16 Dyn. index: - Func. diagram: 6905
P-Group: - Unit group: - Unit selection: -
Not for motor type: - Scaling: - Expert list: 1
Min Max Factory setting
0 2 2
p50272 Field current reduction activation / I_field_red act
DC_CTRL Can be changed: T Calculated: - Access level: 2
Data type: Integer16 Dyn. index: - Func. diagram: 6900
P-Group: - Unit group: - Unit selection: -
Not for motor type: - Scaling: - Expert list: 1
Min Max Factory setting
0 1 0
p50273[0...n] EMF controller pre-control activation / EMF ctr prec act
DC_CTRL Can be changed: T Calculated: - Access level: 2
Data type: Integer16 Dyn. index: DDS, p0180 Func. diagram: 6900
P-Group: - Unit group: - Unit selection: -
Not for motor type: - Scaling: - Expert list: 1
Min Max Factory setting
0 1 1
p50274[0...n] EMF controller integral component activation / EMF ctr I comp act
DC_CTRL Can be changed: T Calculated: - Access level: 2
Data type: Integer16 Dyn. index: DDS, p0180 Func. diagram: 6900
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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