09.95
Siemens AG 2001 All Rights Reserved 6FC5197–jAA50 2-7
SINUMERIK 840C (IA)
Setting ranges
for SRAM
Default values Setting ranges
Tool offsets
32 kB 0 to 1 638 tools
0 to 64 kB
R parameters
19 kB Channel:0 to 700 parameters
Central: 700 to 9 999 parameters
0 to 64 kB
Free
13 kB
64 kB are available for tool offsets and R parameters.
Caution:
The memory must be reformatted after every change.
SK “NCK AWS format.” In general reset mode.
Changing the memory The operating sequence “Changing the memory configuration” (see below) must
configuration be performed if the size of any of the following memories changes:
SFDD/MSD for digital drives
SUMS memory
SPP memory
SIKA (see Sect. 12: Interpolation and compensation with tables and tempera-
ture compensation)
SBlock buffer (see Sect. 12: FIFO/predecoding)
SMeasured value memory (see Sect. 12: Extended measuring)
Inputs Procedure for changing the memory configuration
Step Operation
1Select general reset mode in the operating area diagnostics.
2Selection of the file function: SK machine data/SK NC-MD/key ETC/
SK memory config./SK file function
3Copy the file “NCMEMCFG” from the Siemens branch to the user
branch with SK “Preset”
Caution! If the file “NCMEMCFG” is already in the user branch it is
overwritten with the default values.
4Make the necessary settings in the file “NCMEMCFG” by editing the
user file.
5Press SK “Reconfig. memory”.
The settings are transferred to the NC-MD and the memory is reconfi-
gured.
6Reconfigure NCK user memory if the setting has been changed for
the SRAM. SK “Format NCK AWS”. Press initial clear in the display.
7Deselect general reset mode
8The values set can be checked in NC-MD 60000 to 62029.
9Save the file “NCMEMCFG” from directory NC/data with PC format.
2 General Reset and Standard Start-Up
2.5 Memory configuration (as from SW 3)