09.95
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2-6

SINUMERIK 840C (IA)
2.5 Memory configuration (as from SW 3)
Standard values
for DRAM
1 MB Part prog. 704 kB Part prog.
512 kB
UMS
256 kB IKA
16 000 points
256 kB
UMS
64 kB IKA
4 000 points
240 kB
Block buffer
0 kB
Meas. value mem.
0 kB
FDD/MSD
704 kB Part prog.
256 kB
UMS
64 kB IKA
4 000 points
240 kB
Block buffer
0 kB
Meas. value mem.
0 kB
FDD/MSD
Softw. 3 Softw. 4
4 MB DRAM Softw. 4
8 MB DRAM
2 MB free (SW 4.1–4.3)
3.896 MB free (as from
SW 4.4)
or see below (maximum)
Setting ranges
for DRAM Note: The ranges cannot be set in software version 3.
SW 4.1 – 4.3 As from SW 4.4 As from SW 5.4
Part programs 32 kB to 2 760 kB 32 kB to 4 920 kB
UMS 0 to 1 024 kB 0 to 2 760 kB 1)
IKA 0 to 1 024 kB
0 to 65 535 points
0 to 1 024 kB
0 to 65 535 points
FDD/MSD 0 or 194/388 kB 0 or 194/388 kB
Block buffer 0 to 2 760 kB
0 to approx. 1 800
buffers
0 to 5 026 kB
0 to approx. 3 450
buffers
Measured value
memory 0 to 2 760 kB
0 to 700 000
meas. values
0 to 2 760 kB
0 to 700 000
meas. values
Number of real axes Axes 15 to 30 16 kB
each
Data for extended
overstore Axes 1 to 6 49 kB
each
Number of measured
value buffers Axes 1 to 30 4 byte
each
Maximum
1 264 kB with 4 MB DRAM
3 264 kB with 8 MB DRAM SW 4.1–4.3
5 160 kB with 8 MB DRAM as from SW 4.4
Note as from SW 4: For UMS at least the memory capacity specified by the WS 800 configuration
station must be entered (not the length of the UMS file transferred).
2 General Reset and Standard Start-Up
2.5 Memory configuration (as from SW 3)
04.96
1) WS 800 can up to 1024