Siemens CU240B-2 Parameter Manual page 247

p1965 Speed_ctrl_opt speed / n_opt speed
Access level: 3
Can be changed: U, T
Units group: -
Min
10 [%]
Description: Sets the speed for the identification of the moment of inertia and the vibration test.
Induction motor:
The percentage value is referred to p0310 (rated motor frequency).
Synchronous motor:
The percentage value is referred to the minimum from p0310 (rated motor frequency) and p1082 (maximum
speed).
Dependency: Refer to: p0310, p1959
Refer to: F07984, F07985
Note: In order to calculate the inertia, sudden speed changes are carried out - the specified value corresponds to the
lower speed setpoint. This value is increased by 20 % for the upper speed value. The q leakage inductance (refer to
p1959 bit 5) is determined at zero speed and at 50% of p1965 - however, with a maximum output frequency of 15
Hz and at a minimum of 10% of the rated motor speed.
p1967 Speed_ctrl_opt dynamic factor / n_opt dyn_factor
Access level: 3
Can be changed: U, T
Units group: -
Min
1 [%]
Description: Sets the dynamic response factor for speed controller optimization.
Dependency: For power units with a reduced DC link capacitance (e.g., PM250), the dynamic response of the controller is set to
40%.
Refer to: p1959
Refer to: F07985
Note: For a rotating measurement, this parameter can be used to optimize the speed controller.
p1967 = 100 % --> speed controller optimization according to a symmetric optimum.
p1967 > 100 % --> optimization with a higher dynamic response (Kp higher, Tn lower).
r1968 Speed_ctrl_opt dynamic factor actual / n_opt dyn_fact act
Access level: 3
Can be changed: -
Units group: -
Min
- [%]
Description: Displays the dynamic factor which is actually achieved for the vibration test
Dependency: Refer to: p1959, p1967
Refer to: F07985
Note: This dynamic factor only refers to the control mode of the speed controller set in p1960.
© Siemens AG 2011 All Rights Reserved
SINAMICS G120 Control Units CU240B/E-2 Parameter Manual (LH11), 01/2011
Calculated: -
Scaling: -
Unit selection: -
Max
75 [%]
Calculated: p0340 = 1
Scaling: -
Unit selection: -
Max
400 [%]
Calculated: -
Scaling: -
Unit selection: -
Max
- [%]
Parameters
List of Parameters
Data type: FloatingPoint32
Data set: -
Factory setting
40 [%]
Data type: FloatingPoint32
Data set: -
Factory setting
100 [%]
Data type: FloatingPoint32
Data set: -
Factory setting
- [%]
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