Siemens SIMATIC S7-200 Driver Manual - Page 17
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17
Address Descriptions
Address specifications vary depending on the model in use. Select a link from the list below to obtain specific
address information for the model of interest.
S7-200 Addressing
S7-200 PPM Addressing
S7-200 Addressing
The S7-200 addressing format is the same as the S7-200 PPM addressing format. The model selection in
this case determines whether the driver is using PPI protocol (normal S7-200 Mode) or PPM (S7-200 in Point
to Point Modem) mode. In both cases, the addressing is the same.
The default data types for dynamically defined tags are shown in bold.
Address Type
Discrete Inputs
Discrete Outputs
Internal Memory
Special Memory
Variable Memory
Range
I00000-I65535
I00000-I65534
I00000-I65532
I00000.bb-I65535.bb
I00000.bb-I65534.bb
I00000.bb-I65532.bb
Q00000-Q65535
Q00000-Q65534
Q00000-Q65532
Q00000.bb-Q65535.bb
Q00000.bb-Q65534.bb
Q00000.bb-Q65532.bb
M00000-M65535
M00000-M65534
M00000-M65532
M00000.bb-M65535.bb
M00000.bb-M65534.bb
M00000.bb-M65532.bb
SM00000-SM65535
SM00000-SM65534
SM00000-SM65532
SM00000.bb-
SM65535.bb
SM00000.bb-
SM65534.bb
SM00000.bb-
SM65532.bb
V00000-V65535
V00000-V65534
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Type
Byte
Word, Short
DWord, Long, Float
Byte
Boolean, Word, Short
DWord, Long
Byte
Word, Short
DWord, Long, Float
Byte
Boolean, Word, Short
DWord, Long
Byte,
Word, Short
DWord, Long, Float
Byte
Boolean, Word, Short
DWord, Long
Byte
Word, Short
DWord, Long, Float
Byte
Boolean, Word, Short
DWord, Long
Byte,
Word, Short
Siemens S7-200 Driver
Access
Read/Write
Read/Write
Read/Write
Read/Write
SM0-SM29 are Read
Only
Read/Write