Functions
6.9 Technological functions
SINAMICS G110D
144 Operating Instructions, 07/2016, FW V3.63, A5E36768472B AB
Table 6- 43 Principle of operation of the automatic restart
P1210 = 0: Automatic restart locked
(this is a practical setting for a networked drive)
After the line supply voltage returns, possible faults must be acknowledged. After this, the ON com-
mand must be switched-in again in order that the inverter starts.
P1210 = 1: Fault acknowledgment after ON command (P1211 locked)
After a power failure, the inverter automatically acknowledges all faults (it resets them), as soon as
the line supply voltage returns.
• Faults due to a line supply undervoltage are not automatically acknowledged.
• The motor does not automatically start.
• The motor only starts to rotate again if an ON command is issued again after the line supply volt-
age returns.
P1210 = 2: Automatic restart after power failure - no additional start attempts (P1211 locked)
After power failure, the inverter automatically acknowledges fault F0003 (resets it), as soon as the
line supply voltage is available again; and automatically restarts.
• All other faults are not automatically acknowledged.
• Faults due to a line supply undervoltage are not automatically acknowledged.
• Switching the ON command in the de-energized state only results in an automatic start if the
inverter was in the "ready" state when the power failed.
P1210 = 3: Automatic restart after a line supply undervoltage or fault - with additional start attempts
(P1211 enabled)
After a line supply undervoltage, the inverter automatically acknowledges all faults (resets them), as
soon as the line supply voltage is again available; and automatically restarts.
• This behavior is independent of the power failure or line supply undervoltage.
• Switching the ON command in the de-energized state has no effect, if the inverter was "ready"
before the power failure.
• The number of start attempts can be set. (If the automatic restart is interrupted due to a new fault)
P1210 = 4: Automatic restart after a line supply undervoltage (P1211 enabled)
After power failure or a line supply undervoltage, the inverter automatically acknowledges fault F0003
(resets it), as soon as the line supply voltage is again available; and automatically starts.
• All other faults are not automatically acknowledged.
• An ON command in the de-energized state has no effect.
• The number of start attempts can be set. (If the automatic restart is interrupted due to a new fault)
P1210 = 5: Automatic restart after power failure and fault (P1211 locked)
After a power failure, the inverter automatically acknowledges all faults (resets them), as soon as the
line supply voltage is again available; and automatically starts.
• Faults due to a line supply undervoltage are not automatically acknowledged.
• Switching the ON command in the de-energized state always results in automatic restart. Possi-
ble faults are first automatically acknowledged.
P1210 = 6: Automatic restart after line supply undervoltage / power failure or fault (P1211 locked)
The inverter automatically acknowledges all faults (resets them), as soon as the line supply voltage is
again available; and automatically starts.
• This behavior is independent of the power failure or line supply undervoltage.
• If the ON command is switched-on during the power failure, then an automatic start is always
formed. Possible faults are first automatically acknowledged.
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