Siemens SINAMICS G120 List Manual page 1080
Cu250s-2 control units
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4 Faults and alarms
4.2 List of faults and alarms
Fault value (r0949, parameter):
Diagnostics parameter to display the parameters that were not able to be re-calculated.
See also: p0304, p0305, p0310, p0596, p2000, p2001, p2002, p2003, r2004
Remedy:
Check the adapted parameter value and if required correct.
F07088
Units changeover: Parameter limit violation due to units changeover
Message class:
Error in the parameterization / configuration / commissioning procedure (18)
Reaction:
NONE
Acknowledge:
IMMEDIATELY
Cause:
A changeover of units was initiated. This resulted in a violation of a parameter limit
Possible causes for the violation of a parameter limit:
- When rounding off a parameter corresponding to its decimal places, the steady-state minimum limit or maximum
limit was violated.
- inaccuracies for the data type "FloatingPoint".
In these cases, when the minimum limit is violated then the parameter value is rounded up and when the maximum
limited is violated the parameter value is rounded down.
Fault value (r0949, interpret decimal):
Diagnostics parameter r9451 to display all parameters whose value had to be adapted.
See also: p0100 (IEC/NEMA mot stds), p0505 (Selecting the system of units), p0595 (Technological unit selection)
Remedy:
Check the adapted parameter values and if required correct.
See also: r9451 (Units changeover adapted parameters)
A07089
Changing over units: Function module activation is blocked because the units have
been changed over
Message class:
Error in the parameterization / configuration / commissioning procedure (18)
Reaction:
NONE
Acknowledge:
NONE
Cause:
An attempt was made to activate a function module. This is not permissible if the units have already been changed
over.
See also: p0100 (IEC/NEMA mot stds), p0505 (Selecting the system of units)
Remedy:
Restore units that have been changed over to the factory setting.
A07092
Drive: moment of inertia estimator still not ready
Message class:
Error in the parameterization / configuration / commissioning procedure (18)
Reaction:
NONE
Acknowledge:
NONE
Cause:
The moment of inertia estimator still has no valid values.
The acceleration cannot be calculated.
The moment of inertia estimator is ready, if the frictional values (p1563, p1564) as well as the moment of inertia value
(p1493) have been determined (r1407.26 = 1).
Remedy:
Repeat the operation when the moment of inertia estimator is ready (r1407.26 = 1).
A07094
General parameter limit violation
Message class:
Hardware/software error (1)
Reaction:
NONE
Acknowledge:
NONE
Cause:
As a result of the violation of a parameter limit, the parameter value was automatically corrected.
Minimum limit violated --> parameter is set to the minimum value.
Maximum limit violated --> parameter is set to the maximum value.
Alarm value (r2124, interpret decimal):
Parameter number, whose value had to be adapted.
Remedy:
Check the adapted parameter values and if required correct.
1080
SINAMICS G120 CU250S-2 Control Units
List Manual, 09/2017, A5E33842890
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