Siemens SINUMERIK 840Di sl Programming Manual page 544
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Also See for SINUMERIK 840Di sl:
- Commissioning manual (632 pages) ,
- Operating manual (470 pages) ,
- Function manual (274 pages)
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Glossary
Scan cycle
Protected subprogram for implementing a repetitious machining operation on the
→ workpiece.
Selecting
Series of instructions to the NC that act in concert to produce a particular → workpiece.
Likewise, this term applies to execution of a particular machining operation on a given → raw
part.
Serial V.24 interface
For data input/output, the PCU 20 has one serial V.24 interface (RS232) while the
PCU 50/70 has two V.24 interfaces. Machining programs and manufacturer and user data
can be loaded and saved via these interfaces.
Services
Control operating area
Setting data
Data, which communicates the properties of the machine tool to the NC control, as defined
by the system software.
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 switches
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
544
Programming Manual, 11/2006, 6FC5398-1BP10-2BA0
Fundamentals
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