Operating Instructions

2 Parameters
2.2 List of parameters
SINAMICS G120 CU230P-2 Control Units
76 List Manual, 04/2018, A5E33838102
Description: Resistance of the power cable between the power unit and motor.
Caution: The cable resistance should be entered prior to motor data identification. If it is used subsequently, the difference by
which p0352 was changed must be subtracted from the stator resistance p0350 or motor data identification must be
repeated.
Note: The parameter influences the temperature adaptation of the stator resistance.
The motor identification sets the cable resistance to 20% of the measured total resistance if p0352 is zero at the time
that the measurement is made. If p0352 is not zero, then the value is subtracted from the measured total stator
resistance to calculate stator resistance p0350. In this case, p0350 is a minimum of 10% of the measured value.
The cable resistance is reset when quick commissioning is exited with p3900 > 0.
Description: Resistance of the power cable between the power unit and motor.
Caution: The cable resistance should be entered prior to motor data identification. If it is used subsequently, the difference by
which p0352 was changed must be subtracted from the stator resistance p0350 or motor data identification must be
repeated.
The difference with which p0352 was manually changed, must also be subtracted from reference parameter p0629 of
the Rs measurement.
Note: The parameter influences the temperature adaptation of the stator resistance.
The motor identification sets the cable resistance to 20% of the measured total resistance if p0352 is zero at the time
that the measurement is made. If p0352 is not zero, then the value is subtracted from the measured total stator
resistance to calculate stator resistance p0350. In this case, p0350 is a minimum of 10% of the measured value.
The cable resistance is reset when quick commissioning is exited with p3900 > 0.
Description: Sets the rotor/secondary section resistance of the motor at the ambient temperature p0625.
This parameter value is automatically calculated using the motor model (p0340 = 1, 2) or using the motor data
identification routine (p1910).
Dependency: Refer to: p0625
Notice: When selecting a catalog motor (p0301), this parameter is automatically pre-assigned and is write protected.
Information in p0300 should be carefully observed when removing write protection.
Note: The parameter is not used for synchronous motors (p0300 = 2).
p0352[0...n] Cable resistance / R_cable
PM230
PM240
PM250, PM260
Access level: 3 Calculated: - Data type: FloatingPoint32
Can be changed: C(3), U, T Scaling: - Dyn. index: MDS, p0130
Unit group: - Unit selection: - Func. diagram: -
Min Max Factory setting
0.00000 [ohm] 120.00000 [ohm] 0.00000 [ohm]
p0352[0...n] Cable resistance / R_cable
PM330 Access level: 3 Calculated: - Data type: FloatingPoint32
Can be changed: C(3), U, T Scaling: - Dyn. index: MDS, p0130
Unit group: - Unit selection: - Func. diagram: -
Min Max Factory setting
0.00000 [ohm] 120.00000 [ohm] 0.00000 [ohm]
p0354[0...n] Motor rotor resistance cold / Mot R_r cold
Access level: 3 Calculated: p0340 = 1,2 Data type: FloatingPoint32
Can be changed: C(3), U, T Scaling: - Dyn. index: MDS
Unit group: - Unit selection: - Func. diagram: 6727
Min Max Factory setting
0.00000 [ohm] 300.00000 [ohm] 0.00000 [ohm]