Overview of alarms 06/2009
NCK alarms
2-34
© Siemens AG 2009 All Rights Reserved
SINUMERIK 802D sl, Diagnostics Manual, 06/2009
Program Con-
tinuation:
Clear alarm with the Delete key or NC START.
6412 [TO unit %1: ] Tool %2 has reached its monitoring limit with D = %4
Parameters: %1 = TO unit
%2 = Tool identifier (name)
%3 = -Not used-
%4 = D number
Definitions: Tool monitoring: This message informs that the specified D offset has reached its prewarning limit for
a time-, quantitymonitored tool. If possible, the D number is displayed; if not, value 0 is assigned to
the 4th parameter.
The actual type of tool monitoring is a tool property (see $TC_TP9).
The alarm is triggered through the HMI or PLC.
Reaction: Interface signals are set.
Alarm display.
Remedy: For information only. The user must decide what to do.
Program Con-
tinuation:
Clear alarm with the Delete key or NC START.
6413 [Channel %1: ] Tool %2 has reached its monitoring limit with D = %4
Parameters: %1 = TO unit
%2 = Tool identifier (name)
%3 = -Not used-
%4 = D number
Definitions: Tool monitoring: This message informs that the specified D offset has reached its prewarning limit for
a time-, quantity- or wear-monitored tool. If possible, the D number is displayed; if not, value 0 is
assigned to the 4th parameter.
If the function additive offset is being used, additive offset monitoring may be active instead of tool
wear monitoring.
The actual type of tool monitoring is a tool property (see $TC_TP9).
If replacement tools are not being used, the duplo number specified has no meaning.
The alarm originates during NC program execution.
Reaction: Interface signals are set.
Alarm display.
Remedy: For information only. The user must decide what to do.
Program Con-
tinuation:
Clear alarm with the Delete key or NC START.
6430 Workpiece counter: overflow in table of monitored cutting edges.
Definitions: No more cutting edges can be entered in the piece counter table.
As many cutting edges can be noted for the workpiece counter as are possible in total in the NCK.
This means that if for each tool each cutting edge in each TO unit is used precisely once for a work-
piece then the limit is reached.
If several workpieces are made on several toolholders/spindles simultaneously, it is possible to note
MD18100 $MN_MM_NUM_CUTTING_EDGES_IN_TOA cutting edges for the workpiece counter for
all of the workpieces.
If this alarm occurs, it means that cutting edges used subsequently are no longer quantity monitored
until the table has been emptied again, e.g. by means of the NC language command SETPIECE or
by the relevant job from HMI, PLC (PI service).
Reaction: NC Start disable in this channel.
Interface signals are set.
Alarm display.
Remedy: - Was decrementing of the piece counter forgotten? Then program SETPIECE in the part program, or
add the correct command in the PLC program.
- If the part program/PLC program is correct, then more memory should be set for tool cutting edges
via the MD18100 $MN_MM_NUM_CUTTING_EDGES_IN_TOA (can only be performed with the nec-
essary access rights!).
Program Con-
tinuation:
Clear alarm with the Delete key or NC START.
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