Detailed Description
2.9 Program control
Mode Group, Channel, Program Operation, Reset Response (K1)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2-125
Example
N10 ...
N20 ...
..........
N100 $SC_MAX_BLOCKS_IN_IPOBUFFER = 5 ; Limitation of IPO buffer to 5 NC
blocks
N110 ...
N120 ...
............
N200 $SC_MAX_BLOCKS_IN_IPOBUFFER = -1 ; Cancellation of the IPO buffer
limitation
N210 ...
............
2.9.4 Program display modes
Basic block display
A second socalled basic block display can be used with the existing block display to show all
blocks that produce an action on the machine.
Look Ahead basic block display
The actually approached end positions are shown as an absolute position. The position
values refer either to the workpiece coordinate system (WCS) or the settable zero system
(SZS).
The number of Look Ahead display blocks stored in the display buffer depends on the
number of prepared blocks in the NCK preprocessing buffer in the relevant processing state.
If a preprocessing stop is processed, the number of display blocks is reduced to zero and
increases again after the stop is acknowledged. In the case of REORG events (e.g., mode
change, ASUB start), the display blocks stored for Look Ahead are deleted and
preprocessed again afterwards.
Processed values
Values preprocessed in the basic block display coincide with the:
• Selected tools
• Feed and spindle speed
• Position values actually approached
Exceptions:
Discrepancies can occur when tool radius compensation is active.
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