Siemens SIMATIC Distributed I/O System DP/ASi Link Servisní příručka stáhnout pdf (Strana 102)

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

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

Module diagnosis

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

8 00

Module diagnosis

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

9 0F

Header and length of station diagnostics (15 bytes).

10 01

S7 diagnostic interrupt ID

11 04

S7 slot

12 00

Reserved

Area

Contents

Diagnostics and Error Handling

1 2 ... 97 98 99 100 101 102 103 104 105 106 107 ... 151 152

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Siemens SIMATIC Distributed I/O System DP/ASi Link Servisní příručka Strana 102