User manual

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