SINAMICS G120 Control Units CU240B-2/CU240E-2
List Manual (LH11), 01/2016, A5E33839529
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2 Parameters
2.2 List of parameters
Description: Sets the motor cooling system used.
Value: 0: Natural ventilation
1: Forced cooling
2: Liquid cooling
128: No fan
Dependency: For 1LA7 motors (p0300), the parameter is pre-set as a function of p0307 and p0311.
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 influences the thermal 3-mass motor model.
1LA7 motors, frame size 56 are operated without fan.
Description: Displays the rated EMF of the motor.
Note: EMF: Electromotive force
Description: Setting to automatically calculate motor parameters and U/f open-loop and closed-loop control parameters from the
rating plate data.
Value: 0: No calculation
1: Complete calculation
2: Calculation of equivalent circuit diagram parameters
3: Calculation of closed-loop control parameters
4: Calculation of controller parameters
5: Calculation of technological limits and threshold values
Notice: After the value has been modified, no further parameter modifications can be made and the status is shown in r3996.
Modifications can be made again when r3996 = 0.
The following parameters are influenced using p0340:
p0340 = 1:
--> All of the parameters influenced for p0340 = 2, 3, 4, 5
--> p0341, p0342, p0344, p0612, p0640, p1082, p1231, p1232, p1333, p1349, p1611, p1654, p1726, p1825, p1828
... p1832, p1909, p1959, p2000, p2001, p2002, p2003, p3927, p3928
p0340 = 2:
--> p0350, p0354 ... p0360
--> p0625 (matching p0350), p0626 ... p0628
p0340 = 3:
--> All of the parameters influenced for p0340 = 4, 5
--> p0346, p0347, p0622, p1320 ... p1327, p1582, p1584, p1616, p1755, p1756, p2178
p0335[0...n] Motor cooling type / Mot cool type
Access level: 2 Calculated: - Data type: Integer16
Can be changed: C(1, 3), T Scaling: - Dyn. index: MDS
Unit group: - Unit selection: - Func. diagram: -
Min Max Factory setting
0 128 0
r0337[0...n] Rated motor EMF / Mot EMF_rated
Access level: 4 Calculated: - Data type: FloatingPoint32
Can be changed: - Scaling: - Dyn. index: MDS
Unit group: - Unit selection: - Func. diagram: -
Min Max Factory setting
- [Vrms] - [Vrms] - [Vrms]
p0340[0...n] Automatic calculation motor/control parameters / Calc auto par
Access level: 2 Calculated: - Data type: Integer16
Can be changed: C(3), T Scaling: - Dyn. index: DDS, p0180
Unit group: - Unit selection: - Func. diagram: -
Min Max Factory setting
0 5 0
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