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Diagnostics and Error Handling
8.2.5
Module and First Station Diagnoses with the IM308C
Area
Module and first station diagnoses are contained in bytes 6 to 15.
Contents
The contents of bytes 6 to 11 are shown in Table 8-10.
Table 8-10
8-14
Structure of bytes 6 to 11 of diagnostic message
Byte
Contents
6
42
Header of module diagnosis including length specification in
H
accordance with DP standard.
This diagnosis is not used by the DP/ASi link.
7
00
Module diagnosis
H
This diagnosis is not used by the DP/ASi link.
8
08
First station diagnosis with 8 bytes including header
H
The first station diagnosis comprises bytes 8 to 15.
9
XX
This area is prepared for an extended diagnosis by your S7.
H
10
04
Reserved
H
11
00
Reserved
H
Contents
Distributed I/O System DP/ASi Link
EWA 4NEB 710 6055-02b
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