Siemens SIMATIC NET SPC 4-2 LF Manual page 27

Profibus controller
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Figure 4-6
PROFIBUS Controller SPC 4®-2 LF
C79000-G8976-C157-3
Base point register
Address bus bits 7 ... 0
A11
12-bit RAM address
Calculating Physical RAM Address in the Extended SPC 4-2 Mode
Memory Assignment
A4
Byte address within
a segment
27

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