Siemens SINUMERIK 828D

Coordinate transformation (FRAMES)
5.1 Coordinate transformation via frame variables
Job planning
284 Programming Manual, 07/2010, 6FC5398-2BP40-0BA0
$P_ACTFRAME
Current, resulting complete frame that results from chaining
● the current basic frame variable
$P_BFRAME,
● the currently settable frame variable
$P_IFRAME with system frames and
● the currently programmable frame variable
$P_IFRAME with system frames.
System frames, see Section "Frames that Act in the Channel"
$P_ACTFRAME describes the currently valid workpiece zero.
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If
$P_IFRAME, $P_BFRAME or $P_PFRAME are changed, $P_ACTFRAME is recalculated.
$P_ACTFRAME corresponds to $P_BFRAME:$P_IFRAME:$P_PFRAME