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11.1 General information
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 Siemens AG 2000 All Rights Reserved
SINUMERIK 840D Installation and Start-Up Guide (IAD) – 04.00 Edition
Areas
NC General NC-specific data
CH Channel-specific data (unit corresponds to channel number)
AX Axis-specific data (The unit is the number of the
machine axis)
TO Tool data
COMPLETE All data of an area
INITIAL Data for all areas (_N_INITIAL_INI)
Types
TEA Machine data
SEA Setting data
OPT Option data
TOA Tool data
UFR User input frames: settable ZO, rotations, etc.
EEC Measuring system error compensation
CEC Sag/angularity compensation
QEC Quadrant error compensation
PRO Protection zone
RPA R parameters
GUD Global user data
INI General initialization program (all data of active file system)
_N_COMPLETE_TEA Archiving of all machine data
_N_AX_TEA Archiving of all axis machine data
_N_CH1_TEA Archiving of machine data for channel 1
_N_CH1_GUD Archiving of global user data for channel 1
_N_INITIAL_INI Archiving of all data of active file system
Examples
11 Data Backup
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