Siemens SINUMERIK 840D sl Function Manual page 357

When the setting in machine data:
• MD18342 $MN_MM_CEC_MAX_POINTS[<t>] (maximum number of interpolation points
or
• MD38000 $MA_MM_ENC_COMP_MAX_POINTS (number of interpolation points for
the static user memory is automatically re-allocated when the system boots.
All the user data in the static NC memory (e.g. drive and HMI machine data, tool offsets,
part programs, compensation tables, etc.) are deleted.
References:
Function Manual, Extended Functions; Memory Configuration (S7)
Logging
Compensation tables are not saved with the series start-up file.
To archive compensation tables, they must be output via the serial interface on the PCU. A
distinction is made between the following compensation types in the operating area
"Services" > "Data out":
● LEC/measuring system error compensation (%_N_AX_EEC_INI)
● Sag/angularity compensation (%_N_AX_CEC_INI)
● Quadrant error compensation (%_N_AX_QEC_INI)
Compensation tables can also be saved as an archive file with HMI Advanced.
Extended Functions
Function Manual, 09/2009, 6FC5397-1BP20-0BA0
CAUTION
for sag compensation); <t> = Index of the compensation table
interpolatory compensation)
K3: Compensation
5.4 Interpolatory compensation
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