Glossary
Glossary-2 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
Automatic
Operating mode of control (block sequence mode per DIN): Operating mode for NC systems
in which a → subprogram is selected and executed continuously.
Auxiliary functions
Auxiliary functions enable part programs to transfer → parameters to the → PLC, which then
trigger reactions defined by the machine manufacturer.
Axes
CNC axes are classified based on their function as follows:
• Axes: interpolating path axes
• Auxiliary axes: non-interpolating infeed and positioning axes with axis-specific feed.
Auxiliary axes are not involved in actual machining, e.g., tool feeder, tool magazine.
Axis address
See → Axis identifier
Axis identifier
Axes are identifed using X, Y, and Z as defined in DIN 66217 for a right-handed, right-angled
→ coordinate system.
→ Rotary axes rotating around X, Y, and Z are identified using A, B, and C. Additional axes
situated parallel to the specified axes can be designated using other letters.
Axis name
See → Axis identifier
Backlash compensation
Compensation for a mechanical machine backlash, e.g., backlash on reversal for ball
screws. The backlash compensation can be entered separately for each axis.
Backup battery
A backup battery ensures that the → user program is stored retentively in the → CPU along
with specified data areas and bit memory, timers, and counters.
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