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10.3

PROFINET IO Diagnostics

PROFINET IO allows exact diagnostics of the type and source of an occurring

error by reading the record data sets for the diagnostics.

The respective configuration software / IO supervisor is normally used, which

provides graphical processing of the diagnostic data (e.g. STEP 7, etc.).

In addition to the record data sets for module/submodule parameterization, a

number of record data sets are available for acyclic communication for

diagnostics (listed in the following section).

The structure of the standardized diagnostic data sets and channel-specific

diagnostics are then explained.

Standard and manufacturer-specific diagnostic data sets are mapped according to

the extended channel diagnostics.

10.3.1

Diagnosis Data Sets

The diagnostic information of the fieldbus coupler (IO device) can be read

acyclically using standard diagnosis data sets (records). The structure of the data

sets is defined in the PROFINET IO specification.

More details are available in the specification under "IODReadReq" or

"IODReadRes".

The data set number (index) makes it possible to distinguish between the

diagnostics level (device, module, submodule or channel error) and the

diagnostics structures.

The list of diagnosis data sets listed below provides the respective message

structures in the case of pending diagnostics.

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Table 64: Retrievable Record Data Sets for Diagnostics

Data set number

(index)

0x800A

0x800B

0x800C

0xC00A

0xC00B

0xC00C

0xE002

0xE00A

0xE00B

0xE00C

0xF00A

0xF00B

0xF00C

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Manual

Version 2.0.0

Description

32778

Standardized channel diagnostics of a submodule slot

32779

(subslot specific)

32780

49162

Channel diagnostics of a slot (slot specific); currently

49163

identical with the data set number 800A, as only one