Glossary
Fundamentals
Programming Manual, 11/2006, 6FC5398-1BP10-2BA0
541
Part program management
Part program management can be organized by → workpieces. The size of the user memory
determines the number of programs and the amount of data that can be managed. Each file
(programs and data) can be given a name consisting of a maximum of 24 alphanumeric
characters.
Path axis
Path axes are all the machining axes in the -> channel which are controlled by the ->
interpolator so that they start, accelerate, stop and reach their end positions simultaneously.
Path feed
Path feed acts on -> path axes. It represents the geometrical sum of the feeds on the
participating -> geometry axes.
Path velocity
The maximum programmable path velocity depends on the input resolution. For example,
with a resolution of 0.1 mm the maximum programmable path velocity is 1000 m/min.
Peripheral module
I/O modules represent the link between the CPU and the process.
I/O modules are:
• → Digital input/output modules
• → Analog input/output modules
• → Simulator modules
PLC
Programmable Logic Control: → Speicherprogrammierbare Steuerung. → Programmable
logic control. Component of → NC: Programmable controller for processing the control logic
of the machine tool.
PLC program memory
SINUMERIK 840D: The PLC user program, the user data and the basic PLC program are
stored together in the PLC user memory.
PLC Programming
The PLC is programmed using the STEP 7 software. The STEP 7 programming software is
based on the WINDOWS standard operating system and contains the STEP 5 programming
functions with innovative enhancements.
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