Faults and Alarms
Number / Alarm
Cause
A225
The decoded NC block contains simultaneous
selection and deselection of collision
Status of collision
monitoring (G96/G97).
monitoring select. not
allowed
Example: N1 G96 G97 X100
The NC program number and NC block
number in which the NC block decoder
detected the error can be read out with the
"output actual values - decoder error location"
task.
Effect:
NC program execution is inhibited or aborted,
the axis is brought to a standstill via the
deceleration ramp.
A227
The look-ahead function of the decoder has
detected that the negative software limit switch
Negative overtravel
will be crossed. See also error message
violated
"A195: Negative overtravel reached".
The NC program number and NC block
number in which the NC block decoder
detected the error can be read out with the
"output actual values - decoder error location"
task.
Effect:
NC program execution is inhibited or aborted,
the axis is brought to a standstill via the
deceleration ramp.
A228
The look-ahead function of the decoder has
detected that the positive software limit switch
Positive overtravel
will be crossed. See also error message
violated
"A196: Positive overtravel reached".
The NC program number and NC block
number in which the NC block decoder
detected the error can be read out with the
"output actual values - decoder error location"
task.
Effect:
NC program execution is inhibited or aborted,
the axis is brought to a standstill via the
deceleration ramp.
A241
The table assignment has been changed.
Table assignment
Effect:
changed
NC tables cannot be processed.
A242
Table 1 was not loaded correctly or has been
reset.
Table 1 invalid
Effect:
Table 1 cannot be processed.
A243
Table 2 was not loaded correctly or has been
reset.
Table 2 invalid
Effect:
Table 2 cannot be processed.
12-34
Counter-measure
Correct the NC block.
Correct the NC program.
Check the machine data.
Correct the NC program.
Check the machine data.
Load the table again.
Note:
A table can only be loaded again if it is not
selected. The warning is cleared automatically
when the table has been successfully loaded.
Load table 1 again.
Note:
Table 1 can only be loaded again if it is not
selected. The warning is cleared automatically
when table 1 has been successfully loaded.
Load table 2 again.
Note:
Table 2 can only be loaded again if it is not
selected. The warning is cleared automatically
when table 2 has been successfully loaded.
6SE7087-7JK50
Operating Instructions
SIMOVERT MASTERDRIVES
09.2006
Siemens AG