Siemens Simatic S7-400 Podręcznik - Strona 16

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5.2

S7-300/400 Series

Device

Data Block

Input

Output

Internal Marker

Timer

Counter

When you write the bit address, the Display reads the word address corresponding to that of the External

Device first. Change only the target bit address among the word data once read, and write the word data to the

External Device.

Note that the correct data may not be written if you change the word address value in the ladder program while

the Display reads the data of the External Device and writes it to the External Device.

Write disable

• Please refer to the GP-Pro EX Reference Manual for system data area.

• Please refer to the precautions on manual notation for icons in the table.

GP-Pro EX Device/PLC Connection Manual

Bit Address

English

German

DB00001.DBX00000.0 -

DB65535.DBX65533.7

I00000.0 -

E00000.0 -

I00127.7

E00127.7

Q00000.0 -

A00000.0 -

Q00127.7

A00127.7

M00000.0 - M00511.7

Cf. GP-Pro EX Reference Manual "LS Area (Direct Access Method Area)"



"Manual Symbols and Terminology"

Ethernet Gateway for SIMATIC MPI/PROFIBUS Driver

: This address can be specified as system data area.

Word Address

English

German

DB00001.DBW00000 -

DB65535.DBW65532

IW00000 -

EW00000 -

IW00126

EW00126

QW00000 -

AW00000 -

QW00126

AW00126

MW00000 - MW00510

T00000 - T00255

C00000 -

Z00000 -

C00255

Z00255

Remarks

bits