Siemens SIMATIC Distributed I/O System DP/ASi Link Service Manual download pdf (Page 100)

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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

Header of module diagnosis including length specification in

accordance with DP standard.

This diagnosis is not used by the DP/ASi link.

7 00

Module diagnosis

This diagnosis is not used by the DP/ASi link.

8 08

First station diagnosis with 8 bytes including header

The first station diagnosis comprises bytes 8 to 15.

9 XX

This area is prepared for an extended diagnosis by your S7.

10 04

Reserved

11 00

Reserved

Area

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