Siemens SINAMICS PERFECT HARMONY GH180 Function Manual page 131

Advanced motor protection for type: 6sr variable frequency drives
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Picklist
Enable State
Fixed High Frequency Rate of Change w/ Min Speed
Enable Min Speed Enable Point
The maximum response time with zero delay (pickup counter = 0) is 5 ms. The maxium pickup
time is zero.
Reset
Time
Constant
1 = Enable
0 = Disable
Zero Sequence
Low Pass
Voltage
Low Pass
Pickup
Filter
Level
Time
Constant
Dropout
Level
Output
Latching
Control
1 = Latched
Figure 6-65
OverZeroSeqVoltage Protection Diagram
Note
OverZeroSeqVoltage Protection Diagram
Fixed Pickup Instanteous Zero Sequence Overvoltage and fixed Pickup Definite Minimum
Time Sequence Overvoltage use the same diagram. To provide clarity to the end-user, the titles
are repeated so that the graph is adjacent to the text description of the function. This method
of description is applied consistently throught this manual.
Advanced Motor Protection for Variable Speed Operation
Manual, AA, A5E46373908A
6.21 Device 59G - Fixed Pickup Instantaneous Zero Sequence Overvoltage
Filter
+
>
Σ
1 = pickup
-
0 = dropout
Advanced Motor Protection and RTD Protection Functions
ID
Units
Default
Value
7571
Disabled
Count
Enable
Pickup
Output
Time Delay
(Counter)
Zero
Reset
Pickup
Time Delay
Count
Dropout
Enable
Time Delay
(Counter)
Zero
Reset
Dropout
Time Delay
Values
● Disabled
● Alarm
● LatchedAlarm
● Trip
>=
Pickup
Timed
Out
Output
>=
Dropout
Timed
Out
Trip or
Alarm
Output
129

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