8.3.6
Addressable System Data
Area
The system program uses the memory area from E 8200H to
E DEF0H as an addressable system data area.
PLC identification field
At the start of this area there is an information field of 12 words in
which an identifier of the PLC is entered.
This field has the following structure:
Word
0 ’S’ ’5’ E 8200H
1 ’1’ ’5’ E 8201H
2 ’5’ ’U’ E 8202H
3 ’C’ ’P’ E 8203H
4 ’U’ ’9’ E 8204H
5 ’4’ ’8’ E 8205H
6 ’V’ ’x’ E 8206H
7 ’.’ ’y’ E 8207H
80
90
10 0
11 0 E 820BH
For ’x’ and ’y’ the current version number is entered.
Addressable System Data Area
CPU 948 Programming Guide
8 - 42 C79000-G8576-C848-04
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