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Faults and Alarms
List of faults and alarms
3-1612
© Siemens AG 2007 All Rights Reserved
SINAMICS S List Manual (LH1), 07/2007
F30017
Power unit: Hardware current limit has responded too often
Drive object:
All objects
Reaction:
OFF2
Acknowledge:
IMMEDIATELY
Cause:
The hardware current limitation in the relevant phase (see A30031, A30032, A30033) has responded too often. The
number of times the limit has been exceeded depends on the design and type of power unit.
For infeed units, the following applies:
- closed-loop control is incorrectly parameterized.
- load on the infeed is too high.
- Voltage Sensing Module incorrectly connected.
- commutating reactor missing or the incorrect type.
- power unit defective.
The following applies to Motor Modules:
- closed-loop control is incorrectly parameterized.
- fault in the motor or in the power cables.
- the power cables exceed the maximum permissible length.
- motor load too high
- power unit defective.
Fault value (r0949, interpret binary):
Bit 0: Phase U
Bit 1: Phase V
Bit 2: Phase W
Remedy:
For infeed units, the following applies:
- check the controller settings, if required, reset and identify the controller (p0340 = 2, p3410 = 5).
- reduce the load, if required, increase the DC link capacitance or use a higher-rating infeed.
- check the connection of the optional Voltage Sensing Module.
- check the connection and technical data of the commutating reactor.
- check the power cables for short-circuit or ground fault.
- replace power unit.
The following applies to Motor Modules:
- check the motor data.
- check the motor circuit configuration (star-delta).
- check the motor load.
- check the power cable connections.
- check the power cables for short-circuit or ground fault.
- check the length of the power cables.
- replace power unit.
F30021
Power unit: Ground fault
Drive object:
All objects
Reaction:
OFF2
Acknowledge:
IMMEDIATELY
Cause:
Power unit has detected a ground fault.
- ground fault in the power cables
- winding fault or ground fault at the motor.
- CT defective.
Additional cause for CU310/CUA31:
- when the brake is applied, this causes the hardware DC current monitoring to respond.
Fault value (r0949, interpret decimal):
Absolute value, summed current [32767 = 271 % rated current].
Additional cause for parallel switching units (r0108 bit 15 = 1):
- the closed-loop circulating current control is either too slow or has been set too fast.
Remedy:
- check the power cable connections.
- check the motor.
- check the CT.
The following applies additionally for CU310 and CUA31:
- check the cables and contacts of the brake connection (a wire is possibly broken).
For parallel switching units (r0108 bit 15 = 1) the following also applies:
- check the ground fault monitoring thresholds (p0287).
- check the setting of the closed-loop circulating current control (p7036, p7037).
See also: p0287 (Ground fault monitoring thresholds)
Содержание SINAMICS S Series
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Страница 1422: ...Function Diagrams Braking Module external 2 1422 Siemens AG 2007 All Rights Reserved SINAMICS S List Manual LH1 07 2007 ...
Страница 1750: ...Faults and Alarms List of faults and alarms 3 1750 Siemens AG 2007 All Rights Reserved SINAMICS S List Manual LH1 07 2007 ...
Страница 1778: ...Appendix List for motor code encoder code A 1778 Siemens AG 2007 All Rights Reserved SINAMICS S List Manual LH1 07 2007 ...
Страница 1812: ...Index D 1812 Siemens AG 2007 All Rights Reserved SINAMICS S List Manual LH1 07 2007 ...