Siemens SINAMICS S210 Operating Instructions Manual page 497

Servo drive system, converter, servomotor
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Cause:
The power unit was overloaded (r0036 = 100 %).
- the permissible rated power unit current was exceeded for an inadmissibly long time.
- the permissible load duty cycle was not maintained.
Fault value (r0949, interpret decimal):
I2t [100 % = 16384].
Remedy:
- reduce the continuous load.
- adapt the load duty cycle.
- check the motor and power unit rated currents.
See also: r0307 (Rated motor power)
F30011
Power unit: Line phase failure in main circuit
Reaction:
OFF2
Acknowledge:
IMMEDIATELY
Cause:
At the power unit, the DC link voltage ripple has exceeded the permissible limit value.
Possible causes:
- a line phase has failed.
- the 3 line phases are inadmissibly asymmetrical.
- the capacitance of the DC link capacitor forms a resonance frequency with the line inductance and the reactor integrated
in the power unit.
- the fuse of a phase of a main circuit has ruptured.
- a motor phase has failed.
- for power units operated on a single phase, the permissible active power was exceeded.
Fault value (r0949, interpret decimal):
Only for internal Siemens troubleshooting.
Remedy:
- check the main circuit fuses.
- check whether a single-phase load is distorting the line voltages.
- Detune the resonant frequency with the line inductance by using an upstream line reactor.
- Dampen the resonant frequency with the line inductance by switching over the DC link voltage compensation in the
software (see p1810) – or increase the smoothing (see p1806). However, this can have a negative impact on the torque
ripple at the motor output.
- check the motor feeder cables.
F30015
Drive: phase failure motor cable
Reaction:
OFF2
Acknowledge:
IMMEDIATELY
Cause:
A phase failure in the motor feeder cable was detected.
The signal can also be output in the following case:
The motor is correctly connected, however the closed-speed control is instable and therefore an oscillating torque is
generated.
Remedy:
- check the motor feeder cables.
- check the speed controller settings.
A30016
Power unit: Load supply switched off
Reaction:
NONE
Acknowledge:
NONE
Cause:
The DC link voltage is too low.
Alarm value (r2124, interpret decimal):
DC link voltage at the time of the trip [V].
Remedy:
- switch on load supply.
- check the line supply if necessary.
SINAMICS S210 servo drive system
Operating Instructions, 01/2019, A5E41702836B AC
Faults and alarms
15.2 List of faults and alarms
495

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