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03.04 "Parameters" Operating Area
5.6 Work offset
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Ó Siemens AG, 2004. All rights reserved
SINUMERIK 840D/840Di/810D Operator's Guide HMI Advanced (BAD) – 03.04 Edition 5-243
Settable WO
You can activate a settable work offset in the program you have called
with G54 to G57 and other G functions or with $P_IFRAME=...
Basic work offset (basic frame): displayed like a settable WO.
Programmable WO
You can use the programmable work offset $P_PFRAME=.. to
program an additional work offset for geometry and special axes in
the part program you have called.
The values of the programmed work offsets are deleted with end of
program or reset.
External WO
In addition to all the offsets which define the position of the workpiece
zero, an external work offset can be overlaid by means of the
handwheel (DRF offset) or from the PLC.
DRF offset
Differential Resolver Function: NC function which generates an
incremental zero offset in AUTOMATIC mode in conjunction with an
electronic handwheel.
Frame
Frame is the conventional term for a geometrical expression that
describes an arithmetic rule, such as translation or rotation.
Frames are used to describe the position of a destination coordinate
system by specifying coordinates or angles starting from the current
workpiece coordinate system.
Possible frames
· Basic frame (basic offset)
· Settable frames (G54...G599)
· Programmable frames
References: /PG/, Programming Guide Advanced
Frame components Frame components
A frame can consist of the following arithmetic rules:
· Translation, TRANS, ATRANS
· Rotation, ROT, AROT
· Scale, SCALE, ASCALE
· Mirroring, MIRROR, AMIRROR
In the part program, all work offsets can be deselected non-modally
with G53.
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