Parameters
List of Parameters
1-168
© Siemens AG 2011 All Rights Reserved
SINAMICS G120 / Control Units CU240B/E-2 Parameter Manual (LH11), 01/2011
Description: Sets the automatic restart mode (AR).
The parameters must be saved in the non-volatile memory p0971 = 1 in order that the setting becomes effective.
Value: 0: Inhibit automatic restart
1: Acknowledge all faults without restarting
4: Restart after line supply failure w/o additional start attempts
6: Restart after fault with additional start attempts
14: Restart after line supply failure following man. acknowledgment
16: Restart after fault following manual acknowledgment
26: Acknowledging all faults and reclosing for an ON command
Dependency: The automatic restart requires an active ON command (e.g., via a digital input). If, for p1210 > 1, there is no active
ON command, then the automatic restart is interrupted.
When using an Operator Panel in the LOCAL mode, then there is no automatic start.
For p1210 = 14, 16, a manual acknowledgement is required for an automatic restart.
For p1210 = 26, the ON command can also be entered with a delay. After the line supply returns or acknowledging
a fault, the restart waits for an ON command. The maximum wait time is specified using p1213[0].
Refer to: p0840, p0857
Refer to: F30003
Danger: If the automatic restart is activated (p1210 > 1) if there is an ON command (refer to p0840), the drive is powered up
as soon as any fault messages that are present can be acknowledged. This also occurs after the line supply returns
or the Control Unit boots if the DC link voltage is present again. This automatic power-up sequence can only be
interrupted by withdrawing the ON command.
Caution: A change is only accepted and made in the state "initialization" (r1214.0) and "wait for alarm" (r1214.1). When faults
are present, therefore, the parameter cannot be changed.
For p1210 > 1, the motor is automatically started.
Note: Re p1210 = 1:
Faults that are present are automatically acknowledged. If new faults occur after a successful fault acknowledg-
ment, then these are also automatically acknowledged again. p1211 has no influence on the number of acknowl-
edgment attempts.
Re p1210 = 4:
An automatic restart is only performed if fault F30003 has occurred on the power unit. If additional faults are pres-
ent, then these faults are also acknowledged and when successful, starting continues. If the 24 V Control Unit
power supply fails, then this is interpreted as a line supply failure.
Re p1210 = 6:
An automatic restart is carried out if any fault has occurred.
Re p1210 = 14:
As for p1210 = 4. However, faults that are present must be manually acknowledged.
Re p1210 = 16:
As for p1210 = 6. However, faults that are present must be manually acknowledged.
Re p1210 = 26:
As for p1210 = 6. However, at the time that the fault is acknowledged or at power on, a switch-on command is not
necessary. This can be set with a time delay. The drive is switched-on again as soon as the switch-on command is
set. The restart can be interrupted with either OFF2 or OFF3.
p1210 Automatic restart, mode / AR mode
Access level: 2 Calculated: - Data type: Integer16
Can be changed: U, T Scaling: - Data set: -
Units group: - Unit selection: -
Min Max Factory setting
0 26 0
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