Glossary
Job planning
Glossary-18 Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0
Software limit switch
Software limit switches limit the traversing range of an axis and prevent an abrupt stop of the
slide at the hardware limit switch. Two value pairs can be specified for each axis and
activated separately by means of the → PLC.
Spline interpolation
With spline interpolation, the controller can generate a smooth curve characteristic from only
a few specified interpolation points of a set contour.
SRT
Speed ratio
Standard cycles
Standard cycles are available for frequently recurring machining tasks.
• for drilling/milling technology
• for turning technology
In the "Program" operating area, the available cycles are listed under the "Cycle Support"
menu. After selecting the desired machining cycle, the required parameters for the value
assignment are displayed in plain text.
Subblock
Block prefixed by "N" containing information for a machining step such as position data.
Subroutine
Sequence of statements of a → part program that can be called repeatedly with different
defining parameters. The subroutine is called from a main program. It is not possible to block
every subroutine against unauthorized reading and displaying. → Cycles are a form of
subroutines.
Synchronization
Statements in → part programs for coordination of sequences in different → channels at
certain machining points.
Synchronized actions
1. Auxiliary function output
During workpiece machining, technological functions (→ auxiliary functions) can be output
from the CNC program to the PLC. For example, these auxiliary functions are used to
control additional equipment for the machine tool, such as quills, grabbers, clamping
chucks, etc.
2. Fast auxiliary function output
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