Information About Block Types In The Interpolator; Ac_Blocktypeinfo, $Ac_Splitblock) - Siemens Sinumerik 840D sl Programming Manual

10.3.11 Information

$AC_BLOCKTYPEINFO, $AC_SPLITBLOCK)

Function
The following system variables are available for synchronized actions to provide information
about a block current executing in the main run:
• $AC_BLOCKTYPE
• $AC_BLOCKTYPEINFO
• $AC_SPLITBLOCK
Block type and block type info variables
$AC_BLOCKTYPE
Value:
0 Not equal to 0
Original block Intermediate block
1
2
2
3
3
3
4
4
4
4
4
4
4
4
Job planning
Programming Manual, 02/2011, 6FC5398-2BP40-1BA0
about block types
$AC_BLOCKTYPEINFO
Value:
T H Z
1 0 0
2 0 0
2 0 0
3 0 0
3 0 0
3 0 0
4 0 0
4 0 0
4 0 0
4 0 0
4 0 0
4 0 0
4 0 0
4 0 0
10.3 Main run variables for synchronized actions
in the interpolator
E Meaning:
Trigger for intermediate block:
0 Internally generated block, no further information
1 Chamfer/rounding: Straight
2 Chamfer/rounding: Circle
1 WAB: Approach with straight line
2 WAB: Approach with quadrant
3 WAB: Approach with semicircle
Tool compensation:
1 Approach block after STOPRE
2 Connection blocks if intersection point not found
3 Point-type circle on inner corners
(on TRACYL only)
4 Bypass circle (or conical cut) at outer corners
5 Approach blocks for offset suppression
6 Approach blocks on repeated TRC activation
7 Block split due to excessive curvature
8 Compensation blocks on 3D face milling (tool
vector || area vector)
Motion synchronous actions
($AC_BLOCKTYPE,
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