User manual

8-16
Distributed I/O System DP/ASi Link
EWA 4NEB 710 6055-02b
8.2.6 Module and First Station Diagnoses with the S7/M7 DP Master
Module and first station diagnoses are contained in bytes 6 to 16.
The contents of bytes 6 to 12 is shown in Table 8-12.
Table 8-12 Structure of bytes 6 to 12 of diagnostic message for operations with
IM308C
Byte
Contents Contents
6 43
H
Header and length of module diagnosis including length
specification (3 bytes) in accordance with DP standard.
This diagnosis is not used by the DP/ASi link.
7 XX
H
Module diagnosis
This diagnosis is not used by the DP/ASi link.
8 00
H
Module diagnosis
This diagnosis is not used by the DP/ASi link.
9 0F
H
Header and length of station diagnostics (15 bytes).
10 01
H
S7 diagnostic interrupt ID
11 04
H
S7 slot
12 00
H
Reserved
Area
Contents
Diagnostics and Error Handling