Glossary
Job planning
Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0
Glossary-19
For time-critical switching functions, the acknowledgement times for the → auxiliary
functions can be minimized and unnecessary hold points in the machining process can
be avoided.
Synchronized axes
Synchronized axes take the same time to traverse as geometry axes take for their path.
System memory
The system memory is a memory in the CPU in which the following data are stored:
• Data required by the operating system
• The operands times, counters, markers
System variable
A variable that exists without any input from the programmer of a → part program. It is
defined by a data type and variable name preceded by the character $.
See → User-defined variable.
TappingRigid
This function allows threads to be tapped without a compensating chuck. By using the
method whereby the spindle, as a rotary axis, and the drilling axis interpolate, threads can be
cut to a precise final drilling depth (e.g. for blind hole threads) (requirement: spindles in axis
operation).
Text editor
See → Editor
TOA area
The TOA area includes all tool and magazine data. By default, this area coincides with the
→ channel area with regard to the reach of the data. However, machine data can be used to
specify that multiple channels share one → TOA unit so that common tool management data
are then available to these channels.
TOA unit
Each → TOA area can have more than one TOA unit. The number of possible TOA units is
limited by the maximum number of active → channels. A TOA unit includes exactly one tool
data block and one magazine data block. In addition, a TOA unit can also contain a
toolholder data block (optional).
Tool
Active part on the machine tool that implements machining (e.g., turning tool, milling tool,
drill, LASER beam, etc.).
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