Predefined Frame Variable ($P_Bframe, $P_Iframe, $P_Pframe, $P_Actframe) - Siemens Sinumerik 840D sl Programming Manual

5.1.1 Predefined
$P_ACTFRAME)
$P_BFRAME
Current basic frame variable that establishes the reference between the basic coordinate
system (BCS) and the basic origin system (BOS).
For the basic frame described via $P_UBFR to be immediately active in the program, either
• you have to program a G500, G54...G599, or
• you have to describe $P_BFRAME with $P_UBFR
Job planning
Programming Manual, 02/2011, 6FC5398-2BP40-1BA0
frame variable
Coordinate transformation (FRAMES)
5.1 Coordinate transformation via frame variables
($P_BFRAME, $P_IFRAME, $P_PFRAME,
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