Siemens SINAMICS S120 Function Manual page 235

The settings for fast flying restart can be made in the expert list.
1. To switch flying restart to "fast flying restart", make the following setting: "p1780.11 = 1".
2. Activate the fast flying restart as with the normal flying restart via parameter p1200.
3. Perform a standstill measurement (p1900 = 2) for the correct parameterization of the
Note
Parameter p1203 has no effect on the fast flying restart. Parameter p1202 (flying restart
detection current) can be used to optimize the fast flying restart.
Note
Detection current must not become too small
If the drive is operated well into the field weakening or with filters or long cables, the
detection current may become too small with the fast flying restart (F07330).
In this case, set the detection current (p1202) to values > 30%.
Drive functions
Function Manual, (FH1), 01/2013, 6SL3097-4AB00-0BP3
The normal flying restart had the parameter setting "p1780.11 = 0". For operation with
encoder, settings of this bit are ignored because fast flying restart is not possible in this
case.
voltage model for both vector and V/f mode to determine the power resistance.
The critical parameters are the stator resistance (p0350) and the stator leakage
inductance (p0356).
The following condition code bits are available for the fast flying restart:
– For V/f control: r1204.14.
– For vector control: r1205.16 or r1205.17.
Vector control
4.20 Flying restart
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