Siemens SINAMICS S120 Function Manual page 209

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6
Starting attempts (p1211) and waiting time (p1212)
p1211 is used to specify the number of starting attempts. The number is internally
decremented after each successful fault acknowledgement (line supply voltage must be re-
applied or the infeed signals that it is ready. Fault F07320 is signaled if the number of
parameterized startup attempts is exceeded.
When p1211 = x, x + 1 starting attempts are made.
Note
A start attempt immediately starts when the fault occurs.
The faults are automatically acknowledged in intervals of half the waiting time p1212.
After successfully acknowledgment and the voltage returns, then the system is automatically
powered-up again.
The starting attempt has been successfully completed if the flying restart and the motor
magnetization (induction motor) have been completed (r0056.4 = 1) and one additional
second has expired. The starting counter is only reset back to the initial value p1211 after
this time.
If additional faults occur between successful acknowledgement and the end of the startup
attempt, then the startup counter, when it is acknowledged, is also decremented.
Monitoring time line supply return (p1213)
The monitoring time starts when the faults are detected. If the automatic acknowledgements
are not successful, the monitoring time runs again. If the drive has not successfully started
again after the monitoring time has expired (flying restart and motor magnetization must
have been completed: r0056.4 = 1), fault F07320 is output. The monitoring is de-activated
with p1213 = 0.
If p1213 is set lower than the sum of p1212, the magnetization time r0346 and the additional
delay time due to flying restart, then fault F07320 is generated at each restart. If, for p1210 =
1, the time in p1213 is set lower than p1212, then fault F07320 is also generated at every
Drive functions
Function Manual, (FH1), 10/2008, 6SL3097-2AB00-0BP5
p1210 Mode
Automatic restart after line
supply failure, no additional start
attempts
Restart after any fault with
additional start attempts
6.8 Automatic restart (vector, servo, infeed)
Meaning
For p1210 = 4, an automatic restart is only carried
out if in addition fault F30003 occurred at the Motor
Module or there is a high signal at binector input
p1208[1], or in the case of an infeed drive object
(x_Infeed) F06200 has occurred. If additional faults
are present, then these faults are also
acknowledged and when successfully
acknowledged, the starting attempt is continued.
When the 24 V power supply of the CU fails, this is
interrupted as a line supply failure.
When p1210 = 6, an automatic restart is carried out
after any fault or when p1208[0] = 1. If the faults
occur one after the other, then the number of start
attempts is defined using p1211. Monitoring over
time can be set using p1213.
Basic functions
209