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Siemens SINAMICS G150 - DC Link Voltage Undervoltage Threshold Reduction; VDC U_Under Red; DC Link Voltage Offset Alarm Threshold; VDC Offs a Thresh; Ground Fault Monitoring Thresholds; Gnd Flt Threshold

Siemens SINAMICS G150
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SINAMICS G130/G150
List Manual (LH2), 04/2014, A5E03263479A
115
2 Parameters
2.2 List of parameters
Dependency: Refer to: p0266
Description: Sets the absolute value by which the threshold to initiate the undervoltage fault (F30003) is reduced.
Dependency: Refer to: p0210, r0296
Notice: When using a Control Supply Module (CSM) for 24 V supply from the DC link, the minimum continuous DC link
voltage may not lie below 430 V. DC link voltages in the range 300 ... 430 V are permissible up to a duration of 1 min.
For chassis power units, this parameter has no significance.
Note: The resulting shutdown threshold can be read in r0296 and is dependent on the selected rated voltage (p0210) and
the power unit being used.
Description: Sets the voltage threshold to initiate alarm A06810.
The value represents an offset so that the alarm threshold is obtained from the total of r0296 and p0279.
Dependency: Refer to: p0210, r0296
Note: The absolute value of the undervoltage threshold r0296 depends on the selected unit supply voltage (p0210).
Description: Sets the shutdown thresholds for the ground fault monitoring.
The setting is made as a percentage of the maximum current of the power unit (r0209).
Index: [0] = Threshold at which pre-charging starts
[1] = Threshold at which pre-charging stops
Note: The parameter only applies to booksize and chassis power units.
De-activating the ground fault monitoring:
- Sequence: --> p0287[1] = 0 --> p0287[0] = 0
- irrespective of the firmware version of the power unit.
Sets the thresholds:
- the prerequisite is at least firmware version 2.2 of the power unit.
05 RKA liquid flow OK Yes No -
06 RKA conductivity no fault Yes No 9974
07 RKA conductivity no alarm Yes No 9974
p0278 DC link voltage undervoltage threshold reduction / Vdc U_under red
VECTOR_G Can be changed: T Calculated: - Access level: 3
Data type: FloatingPoint32 Dyn. index: - Func. diagram: -
P-Group: Converter Units group: - Unit selection: -
Not for motor type: - Scaling: - Expert list: 1
Min Max Factory setting
-80 [V] 0 [V] 0 [V]
p0279 DC link voltage offset alarm threshold / Vdc offs A thresh
B_INF Can be changed: T Calculated: - Access level: 3
Data type: FloatingPoint32 Dyn. index: - Func. diagram: 8760, 8864,
8964
P-Group: Converter Units group: - Unit selection: -
Not for motor type: - Scaling: - Expert list: 1
Min Max Factory setting
0 [V] 500 [V] 0 [V]
p0287[0...1] Ground fault monitoring thresholds / Gnd flt threshold
VECTOR_G Can be changed: T Calculated: - Access level: 3
Data type: FloatingPoint32 Dyn. index: - Func. diagram: -
P-Group: - Units group: - Unit selection: -
Not for motor type: - Scaling: - Expert list: 1
Min Max Factory setting
0.0 [%] 100.0 [%] [0] 6.0 [%]
[1] 16.0 [%]

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