Siemens Sinumerik 840D sl Programming Manual page 318

Coordinate transformation (FRAMES)
5.7 NCU global frames
P_ACTFRAME Current complete frame
The resulting current complete frame $P_ACTFRAME is now a chain of all basic frames, the
current settable frame and the programmable frame. The current frame is always updated
whenever a frame component is changed.
$P_ACTFRAME corresponds to
$P_PARTFRAME : $P_SETFRAME : $P_EXTFRAME : $P_ACTBFRAME : $P_IFRAME :
$P_TOOLFRAME : $P_WPFRAME : $P_TRAFRAME : $P_PFRAME : $P_CYCFRAME
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Programming Manual, 02/2011, 6FC5398-2BP40-1BA0
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