Glossary
Basic logic functions: Appendix
36 Function Manual, 11/2006, 6FC5397-0BP10-2BA0
Variable definition
A variable definition includes the specification of a data type and a variable name. The
variable names can be used to access the value of the variables.
Velocity control
In order to achieve an acceptable traverse rate in the case of very slight motions per block,
an anticipatory evaluation over several blocks (→ Look Ahead) can be specified.
Working area
Three-dimensional zone into which the tool tip can be moved on account of the physical
design of the machine tool. See → Protection zone.
Working area limitation
With the aid of the working area limitation, the traversing range of the axes can be further
restricted in addition to the limit switches. One value pair per axis may be used to describe
the protected working area.
Working memory
RAM is a work memory in the → CPU that the processor accesses when processing the
application program.
Workpiece
Part to be made/machined by the machine tool.
Workpiece contour
Set contour of the → workpiece to be created or machined.
Workpiece coordinate system
The workpiece coordinate system has its starting point in the → workpiece zero-point. In
machining operations programmed in the workpiece coordinate system, the dimensions and
directions refer to this system.
Workpiece zero
The workpiece zero is the starting point for the → workpiece coordinate system. It is defined
in terms of distances to the → machine zero.
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