Siemens SINUMERIK 840D sl Programming Manual page 387

CTABFSEG(memType)
CTABMSEG(memType)
CTABPOLID(n)
CTABSEG(memTyp,
segType)
CTABFSEGID(n,
segType)
CTABFSEG(memTyp,
segType)
CTABMSEG(memTyp,
segType)
CTABFPOL(memType)
CTABMPOL(memType)
n, m
p
memType
segType
Description
Loading curve tables with "Processing from external source".
If curve tables are processed from an external source the size of the reload buffer (DRAM)
must be selected with MD 18360: MM_EXT_PROG_BUFFER_SIZE in such a way the entire
curve table definition can be stored simultaneously in the reload buffer. Otherwise parts
program processing is canceled with alarm 15150.
Repeated use of curve tables
The functional relation between the leading axis and the following axis calculated using the
curve table is retained under the table number selected beyond the end of the parts program
and power-off if the table has been saved to the static memory (SRAM).
A table that was created in the dynamic memory (DRAM) will be deleted on power-on and
may have to be regenerated.
The curve table created can be applied to any axis combinations of leading and trailing axis
and is independent of the axes used to create the curve table.
Overwriting curve tables
A curve table is overwritten as soon as its number is used in another table definition.
Exception: A curve table is either active in an axis coupling or locked with CTABLOCK().
Job planning
Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0
Number of possible curve segments.
Maximum possible number of curve segments.
Number used by curve table number n. Curve table polynomials
Number of type "L" or "P" curve segments used in the memory
type.
Number of type "L" or "P" curve segments used in curve table
number n
Number of type "L" or "P" curve segments still possible in
the memory type
Maximum possible number of type "L" or "P" curve segments in
the memory type
Number of curve polynomials still possible in the specified
memory type
Maximum possible number of curve polynomials in the specified
memory type
Number of curve table; n < m, e.g., in CTABDEL(n, m)
The number of the curve table is unique and not dependent on
the memory type. It is not possible for there to be tables
with the same number in the static and dynamic NC memory.
Entry location (in memType memory area)
Optional specification of NC memory type: Both the "dynamic
memory" and the "static memory" are possible
If no parameter is programmed for this value, the standard
memory type set with MD 20905: CTAB_DEFAULT_MEMORY_TYPE is
used.
Optional details for segment type. Possible settings are:
segType "L" linear segments
segType "P" polynomial segments
Path traversing behavior
9.3 Curve tables (CTAB)
9-21