Siemens SINUMERIK 840D sl Programming Manual page 637

The frame components can only contain intermediate values for the description of pallet tasks.
These are chained to generate various workpiece zeroes.
Examples
Assignments
Program code
DEF FRAME SETTING_1
SETTING_1 = CTRANS(X,10)
$P_PFRAME = SETTING_1
DEF FRAME SETTING_4
SETTING_4 = $P_PFRAME
...
$P_PFRAME = SETTING_4
NC programming
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
Z
G54
3.8 Coordinate transformations (frames)
Y
X
Comment
; Definition of a local frame variable
; Assignment of the function result to the frame
variable
; Assignment of the frame variable to the current
frame
; Definition of a local frame variable
; Buffer the current frame in the frame variable
; Fetch the current frame from the frame variable
Work preparation
637