Siemens SINAMICS G110D Operating Instructions Manual page 126

Functions
6.9 Technological functions
● After a brief line interruption
● When an inverter is shut down but air currents cause a fan impeller to rotate (either CW
● If the motor is driven by a load
This function is useful, therefore, with motors whose load exhibits a high moment of inertia
since it can help prevent sudden loads in the mechanical components.
If this function is not used in such cases, this could cause the motor to shut down due to
overcurrent (overcurrent fault F0001).
The "flying restart" function can be used to synchronize the inverter and motor frequency.
Drive starts automatically
When this function is enabled (P1200 > 0), all those working with the system must be
informed of the following:
• The drive starts automatically.
• Although the drive is at a standstill, it can be started by the search current.
Input values
Table 6- 45
Parameter Description
P1200 =
...
Table 6- 46
P1200
0
1
2
3
4
126
or CCW)
WARNING
Main function parameters
Flying restart
0: locked (factory setting),
1 - 6 Active
Overview: the "flying restart" function
Flying restart active
Flying restart locked (factory setting)
Flying restart always active
Flying restart active after:
Power ON
•
Faults
•
OFF2
•
Flying restart active after
Faults
•
OFF2
•
Flying restart always active
Search direction
-
Search performed in both directions, startup in
direction of setpoint
Search performed in both directions, startup in
direction of setpoint
Search performed in both directions, startup in
direction of setpoint
Search performed in direction of setpoint only
Operating Instructions, 2009-05-15, A5E02385577A AB
SINAMICS G110D