Siemens SINUMERIK 840Di sl Programming Manual page 529
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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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Backup battery
The backup battery ensures that the → user program in the → CPU is stored so that it is safe
from power failure and so that specified data areas and bit memory, timers and counters are
stored retentively.
Back-up memory
The backup memory enables buffering of memory areas of the -> CPU without a buffer
battery. Buffering can be performed for a configurable number of times, counters, markers
and data bytes.
Basic axis
Axis whose setpoint or actual value position forms the basis of the calculation of a
compensation value.
Basic Coordinate System
Cartesian coordinate system which is mapped by transformation onto the machine
coordinate system.
In the -> parts program, the programmer uses the axis names of the basic coordinate
system. The basic coordinate system exists in parallel to the -> machine coordinate system
when no -> transformation is active. The difference between the systems relates to the axis
identifiers.
Baud rate
Rate of data transfer (Bit/s).
Blank
Workpiece as it is before it is machined.
Block
"Block" is the term given to any files required for creating and processing programs.
Block search
For debugging purposes or following a program abort, the "Block search" function can be
used to select any location in the part program at which the program is to be started or
resumed.
Booting
Loading the system program after power on.
Fundamentals
Programming Manual, 11/2006, 6FC5398-1BP10-2BA0
Glossary
529
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