Ram Address Assignments - Siemens S5-100U User Manual

S5-100U
6.7

RAM Address Assignments

The following table gives an overview of the major addresses in the RAM of the three CPUs (in
hexadecimal code).
CPU
Program memory
Memory submodule
PII, digital
PII, analog
PIQ, digital
PIQ, analog
Timers
Retentive counters
Non-retentive counters
Retentive flags
Non-retentive flags
OB
FB
PB
SB
DB
System data
*
Program memory; block address list only in TEST mode.
EWA 4NEB 812 6120-02
Table 6-5. Important Addresses in the RAM
100
EE00 to FFFF
C000 to DFFF
E400 to E41F
E440 to E47F
E480 to E49F
E4C0 to E4FF
E280 to E29F
E2A0 to E2AF
E2B0 to E2BF
E300 to E33F
E340 to E37F
Module address list
E080 to E0FF
E100 to E17F
E180 to E1FF
----
E200 to E27F
EA00 to EBFF
102*
D000 to DFFF
4000 to 5FFF
EF00 to EF1F
EF40 to EF7F
EF80 to EF9F
EFC0 to EFFF EFC0 to EFFF
EC00 to EC39 EC00 to ECFF
ED00 to ED0F ED00 to ED0F
ED10 to ED3F ED10 to ED3F
EE00 to EE3F EE00 to EE3F
EE40 to EE7F EE40 to EE7F
FC80 to FCFF DC00 to DDFF
FD00 to FEFF DE00 to DFFF
FF00 to FF7F
----
FF80 to FFFF
EA00 to EBFF EA00 to EBFF
Addressing
103
8000 to CFFF
0000 to 7FFF
EF00 to EF1F
EF40 to EF7F
EF80 to EF9F
E000 to E1FF
E200 to E3FF
E400 to E5FF
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