Siemens Sinumerik 840D sl Diagnostic Manual page 326

Overview of Alarms
NCK alarms
Remedy: Please inform the authorized personnel/service department. The FC POS-AXIS for linear and rotary
axes should be used or the axis should be declared as an indexing axis. Corresponding machine data
for indexing axis declaration:
Modify MD30500 $MA_INDEX_AX_ASSIGN_POS_TAB
Modify MD10900 $MN_INDEX_AX_LENGTH_POS_TAB_1
Modify MD10910 $MN_INDEX_AX_POS_TAB_1
Modify MD10920 $MN_INDEX_AX_LENGTH_POS_TAB_2
Modify MD10930 $MN_INDEX_AX_POS_TAB_2
Program Con- Alarm display showing cause of alarm disappears. No further operator action necessary.
tinuation:
20073 [Channel %1: ] Axis %2 cannot be repositioned
Parameters: %1 = Channel number
%2 = Axis number
Definitions: The concurrent positioning axis cannot be positioned because it has already been restarted via the
VDI interface and is still active. No repositioning motion takes place and the motion initiated by the
VDI interface is not affected.
Reaction: Alarm display.
Remedy: None.
Program Con- Clear alarm with the Delete key or NC START.
tinuation:
20074 [Channel %1: ] Axis %2 wrong index position
Parameters: %1 = Channel number
%2 = Axis name, spindle number
Definitions: For a concurrent positioning axis declared as indexing axis, the PLC has given an index number that
is not available in the table.
Reaction: Alarm display.
Remedy: Please inform the authorized personnel/service department. Check the indexing axis number given by
the PLC and correct this if necessary. If the indexing axis number is correct and the alarm results from
an indexing position table that has been set too short, check the machine data for indexing axis dec-
laration.
Modify MD30500 $MA_INDEX_AX_ASSIGN_POS_TAB
Modify MD10900 $MN_INDEX_AX_LENGTH_POS_TAB_1
Modify MD10910 $MN_INDEX_AX_POS_TAB_1
Modify MD10920 $MN_INDEX_AX_LENGTH_POS_TAB_2
Modify MD10930 $MN_INDEX_AX_POS_TAB_2
Program Con- Alarm display showing cause of alarm disappears. No further operator action necessary.
tinuation:
20075 [Channel %1: ] Axis %2 can currently not oscillate
Parameters: %1 = Channel number
%2 = Axis number
Definitions: The axis cannot perform an oscillating movement now because it is already being traversed, e.g. in
JOG mode.
Reaction: Alarm display.
Remedy: End the other traversing motion.
Program Con- Clear alarm with the Delete key or NC START.
tinuation:
20076 [Channel %1: ] Axis %2 oscillating - mode change not possible
Parameters: %1 = Channel number
%2 = Axis number
Definitions: The axis is performing an oscillating movement. Mode change is not possible because oscillation is
not allowed in the selected mode.
Reaction: NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
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SINUMERIK 840D sl, 840Di sl, SINAMICS, Diagnostics Manual (DAsl), 03/2009
© Siemens AG, 2009. All Rights Reserved
03/2009