Siemens SINUMERIK 840D sl Function Manual page 1103
Extended functions
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- Function manual (2184 pages) ,
- Programming manual (1334 pages) ,
- Commissioning manual (1102 pages)
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Softkey
A key, whose name appears on an area of the screen. The choice of soft keys displayed is
dynamically adapted to the operating situation. The freely assignable function keys (soft
keys) are assigned defined functions in the software.
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
Transformation ratio
Standard cycles
Standard cycles are provided for machining operations, which are frequently repeated:
● Cycles for drilling/milling applications
● for turning technology
The available cycles are listed in the "Cycle support" menu in the "Program" operating area.
Once the desired machining cycle has been selected, the parameters required for assigning
values are displayed in plain text.
Subblock
Block preceded by "N" containing information for a sequence, e.g. positional 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. Every subroutine can be
protected against unauthorized read-out and display. → Cycles are a form of subroutines.
Supply System
A network is the connection of multiple S7-300 and other end devices, e.g. a programming
device via a → connecting cable. A data exchange takes place over the network between the
connected devices.
Extended Functions
Function Manual, 01/2008, 6FC5397-1BP10-3BA0
Glossary
1103
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