Path traversing behavior
9.3 Curve tables (CTAB)
Job planning
9-30 Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0
Both functions also output the gradient of the table function at the correct position to the
gradient parameter (degrees). In this way, the you can calculate the speed of the leading or
following axis at the corresponding position.
Note
CTAB, CTABINV, CTABSSV and CTABSEV
The language commands CTAB, CTABINV, and
CTABSSV, CTABSEV can be used directly
• from the parts program or
• directly from synchronized actions
SIMATIC S7. Additional related information about programming synchronized actions is
given in chapter, "Motion synchronous actions".
The optional specification of the leading or following axis for
CTAB/CTABINV/CTABSSV/CTABSEV is important if the leading and following axes are
configured in different length units.
The language commands CTABSSV and CTABSEV are not suitable in the following cases
to query programmed segments:
1. Circles or involutes are programmed.
2. Chamfer or rounding with CHF, RND is active.
3. Corner rounding with G643 is active.
4. Compressor is, for example, active with COMPON, COMPCURV, COMPCAD.
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