Basic logic functions: Tool Offset (W1)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
183
Supplementary conditions
3
3.1 Flat D number structure
Grinding tools
Grinding tools (tool types 400-499) cannot be defined using the simple tool management
structure (flat D numbers).
Block search
T number output to PLC triggers a synchronization process in the NCK: with absolute,
indirect D programming, the PLC returns the D values via VDI. The NCK waits until the
output of a T number is followed by a response from the PLC: "I have written the D number".
With block search without calculation, this process of synchronization must be deactivated
until the first valid T number has been output again. That means that the NCK must not wait
on D programming.
Note
At what point the auxiliary functions can be output to PLC after block search is complete, can
be controlled with the machine data:
$MC_AUXFU_AT_BLOCK_SEARCH_END (auxiliary function output after block search)
Automatic on end or on NC start.
REORG
The (only) writable variable $A_MONIFACT, which is defined here, is stored by main-run
data. Since the write process takes place synchronously to the main run, no special
measures are required for Reorg.
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