Vdc Controller Rate Time / Vdc_Ctrl T_Rate; Vdc_Max Controller Automatic On Level Detection / Vdc_Max Senseonlev; Vdc_Min Controller Time Threshold / Vdc_Min T_Thresh; Vdc_Min Controller Response (Kinetic Buffering) / Vdc_Min Response - Siemens SINAMICS G120X Operating Instructions Manual

Parameters
7.2 Parameter list
p1252[0...n]

Vdc controller rate time / Vdc_ctrl t_rate

Access level: 3
Can be changed: T, U
Unit group: -
Min:
0 [ms]
Description: Sets the rate time constant for the DC link voltage controller (Vdc_min controller, Vdc_max controller).
Dependency: The effective rate time is obtained taking into account p1243 (Vdc_max controller dynamic factor).
p1254

Vdc_max controller automatic ON level detection / Vdc_max SenseOnLev

Access level: 3
Can be changed: T, U
Unit group: -
Min:
0
Description: Activates/deactivates the automatic sensing of the switch-in level for the Vdc_max controller.
Value: 0:
1:
p1255[0...n]

Vdc_min controller time threshold / Vdc_min t_thresh

G120X_DP (Vdc_min), Access level: 3
G120X_PN (Vdc_min),
Can be changed: T, U
G120X_USS
Unit group: -
(Vdc_min)
Min:
0.000 [s]
Description: Sets the time threshold for the Vdc_min controller (kinetic buffering).
If this value is exceeded a fault is output; the required response can be parameterized.
Prerequisite: p1256 = 1
Dependency: See also: F07406
NOTICE
If a time threshold has been parameterized, the Vdc_max controller should also be activated (p1240 = 3) so that the
drive does not shut down with overvoltage when Vdc_min control is exited (due to the time violation) and in the event
of fault response OFF3. It is also possible to increase the OFF3 ramp-down time p1135.
p1256[0...n]

Vdc_min controller response (kinetic buffering) / Vdc_min response

G120X_DP (Vdc_min), Access level: 3
G120X_PN (Vdc_min),
Can be changed: T, U
G120X_USS
Unit group: -
(Vdc_min)
Min:
0
Description: Sets the response for the Vdc_min controller (kinetic buffering).
Value: 0:
1:
Dependency: See also: F07405, F07406
658
Automatic detection inhibited
Automatic detection enabled
Buffer Vdc until undervoltage, n<p1257 -> F07405
Buff. Vdc until undervolt., n<p1257 -> F07405, t>p1255 -> F07406
Calculated: -
Scaling: -
Unit selection: -
Max:
1000 [ms]
Calculated: -
Scaling: -
Unit selection: -
Max:
1
Calculated: -
Scaling: -
Unit selection: -
Max:
1800.000 [s]
Calculated: -
Scaling: -
Unit selection: -
Max:
1
Operating Instructions, 06/2019, FW V1.01, A5E44751209B AC
Data type: FloatingPoint32
Dynamic index: DDS, p0180
Function diagram: 6220
Factory setting:
0 [ms]
Data type: Integer16
Dynamic index: -
Function diagram: -
Factory setting:
1
Data type: FloatingPoint32
Dynamic index: DDS, p0180
Function diagram: -
Factory setting:
0.000 [s]
Data type: Integer16
Dynamic index: DDS, p0180
Function diagram: -
Factory setting:
0
SINAMICS G120X converter