Vdc Controller Or Vdc Monitoring Configuration / Vdc Ctrl Config - Siemens SINAMICS G150 Manual

Re bit 06:
a) Internal voltage protection (p1231 = 3) was selected and the Motor Module does not support the autonomous
internal voltage protection (r0192.10 = 0).
The internal voltage protection is ready and is activated as soon as the activation criterion is fulfilled.
a) Internal voltage protection (p1231 = 3) was selected and the Motor Module supports the autonomous internal
voltage protection (r0192.10 = 1).
The internal voltage protection is ready and the Motor Module decides autonomously - using the DC link voltage -
whether the short-circuit is activated. In this case, protection is also provided even if the DRIVE-CLiQ connection
between the Control Unit and Motor Module was interrupted. The short-circuit is activated if the DC link voltage
exceeds 800 V. If the DC link voltage falls below 450 V, then the short-circuit is withdrawn.
c) Internal armature short-circuit (p1231 = 4) was selected.
The internal armature short-circuit is ready and is activated as soon as the activation criterion is fulfilled.
Activation criterion (one of the following criteria is fulfilled):
- the signal at BI: p1230 (armature short-circuit activation) is 1.
- the drive is not in the state "S4: Operation" or in S5x (refer to function diagram 2610).
- the internal pulse enable is missing (r0046.19 = 0).
Re bit 12, 13:
Only effective for p1231 = 14.
p1240[0...n]

Vdc controller or Vdc monitoring configuration / Vdc ctrl config

VECTOR_G (n/M) Can be changed: U, T
Data type: Integer16
P-Group: Functions
Not for motor type: REL
Min
0
Description: Sets the controller configuration of the DC link voltage (Vdc controller) in the closed-loop control mode.
Value: 0:
1:
2:
3:
4:
5:
6:
Dependency: Refer to: p1245
Warning: When the Vdc_max controller is active, the motor can be accelerated (e.g. by driving loads or as a result of high DC
link voltages). This can be caused by other drives that are operating on a common DC link busbar.
Caution: If several drives are operated from the same DC link busbar, then it is recommended that the Udc control is only
activated for the drives with high moments of inertia. If the Udc controls for various drives are simultaneously active,
then they can mutually influence one another. In this case, the controller dynamic performance should be reduced or
the Udc control of individual drives should be deactivated.
Drives with Udc control must be able to brake and accelerate independently of one another.
Notice: An excessively high value in p1245 can possibly negatively influence the normal operation of the drive.
Note: p1240 = 1, 3:
When the DC link voltage limit specified for the Motor Module is reached the following applies:
- the Vdc_max controller limits the regenerative energy in order that the DC link voltage is kept below the maximum
DC link voltage when braking.
- the ramp-down times are automatically increased.
p1240 = 2, 3:
When the switch-in threshold of the Vdc_min controller is reached (p1245), the following applies:
- the Vdc_min controller limits the energy taken from the DC link in order to keep the DC link voltage above the
minimum DC link voltage when accelerating.
- the motor is braked in order to use its kinetic energy to buffer the DC link.
p1240 = 4, 5, 6:
When the threshold in r1242 or r1246 is reached, the DC link voltage monitoring initiates a fault (F07403 or F07404)
with a response and therefore reduces additional negative effects on the DC link voltage.
If a braking resistor is connected to the DC link, then the Vdc_max control should be disabled (also see p1531).
SINAMICS G130/G150
List Manual (LH2), 04/2014, A5E03263479A
Inhib Vdc ctrl
Enable Vdc_max controller
Enable Vdc_min controller (kinetic buffering)
Enable Vdc_min controller and Vdc_max controller
Activate Vdc_max monitoring
Activate Vdc_min monitoring
Activate Vdc_min monitoring and Vdc_max monitoring
Calculated: -
Dyn. index: DDS, p0180
Units group: -
Scaling: -
Max
6
2 Parameters
2.2 List of parameters
Access level: 3
Func. diagram: 6220
Unit selection: -
Expert list: 1
Factory setting
1
333