Introduction
1-4
FC 56
J31069-D0155-U001-A0-7618
1.2
MDS Memory Structure
1.2.1
Logical Structure of MDS Memory
DIRECTORY
MDS
Block
The system area contains all MDS specific
data (e.g. MDS name, MDS type, last SLG
number etc).
The FAT (File Allocation Table) points to all
the blocks belonging to a file.
The user data area is divided into blocks. The
number of blocks and the block length de-
pends on the type of MDS.
SYSTEM AREA
BLOCK INDEX TABLE FAT
The directory contains the names of all ex-
isting files with their corresponding para-
meters. The number of directory entries
possible depends on the type of MDS.
Figure 1-2
MDS memory
Содержание MOBY FC 56
Страница 12: ...Introduction 1 6 FC 56 J31069 D0155 U001 A0 7618 ...
Страница 63: ...5 1 FC 56 J31069 D0155 U001 A0 7618 Sample Applications 5 ...
Страница 80: ...Sample Applications 5 18 FC 56 J31069 D0155 U001 A0 7618 ...
Страница 90: ...Entry Exit Check of an MDS in an SLG Field 6 10 FC 56 J31069 D0155 U001 A0 7618 ...
Страница 94: ...System Configuration 7 4 FC 56 J31069 D0155 U001 A0 7618 ...
Страница 100: ...Commissioning Guidelines 8 6 FC 56 J31069 D0155 U001 A0 7618 ...
Страница 101: ...9 1 FC 56 J31069 D0155 U001 A0 7618 Error Messages and Trouble Shooting 9 ...
Страница 152: ...Programming MOBY ASM on PROFIBUS DP V1 B 30 FC 56 J31069 D0155 U001 A0 7618 ...