8558 datasheet(21/23 Pages) PHOENIX

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AXL E S3 DI8 DO4 2A M12 6M

8558_en_04

PHOENIX CONTACT

Diagnostics: I/O and channel errors

Sercos enables the Sercos device to store diagnostic infor-

mation together with the error location and error type.

Diagnostic messages are enabled by default, but can be dis-

abled via a parameter on startup.

The Sercos master is informed that diagnostic information

that has been entered.

If at least one item of diagnostic information has been

stored, this is indicated by the S and SD LEDs.

The following Sercos diagnostic messages are indicated by

the Sercos slave:

–

Overtemperature of the device

–Surge voltage of U

–

Overload of U

–Surge voltage of U

–

Undervoltage of U

–

Short-circuit or overload of an output

I/O and channel errors are mapped in the following diagnos-

tic IDNs according to Sercos specifications.

Mapping the I/Os to Sercos

The device has just one Sercos module and therefore only

has one structure instance 0.

The I/Os are assigned to the structure instances and IO

function groups according to the Sercos IO profile.

The following function groups are defined:

The cyclical data of the Sercos device is mapped to the

IDNs S-0-1502 and S-0-1503 according to FSP_IO.

The device supports the following IDNs as configurable

data:

IDN

Description

S-0-0095

Diagnostic message

S-0-0390

Diagnostic number

S-1500.0.32

IO diagnostic message

S-1500.0.33

Current IO diagnostic message

S-1303.0.10

Diagnostic trace buffer no 1

S-1303.0.11

Diagnostic trace buffer no 2

S-1303.0.12

Diagnostic trace buffer no 3

Function group

(FG_IO)

Name

S-0-1502

IO function group digital output

S-0-1503

IO function group digital input

In a producer connection

In a consumer connection

S-0-1500.0.2

S-0-1500.0.1

S-0-1500.0.9

S-0-1500.0.1

FG_IO.x.9

FG_IO.x.5

FG_IO.x.13

FG_IO.x.11

S-0-0390

This information is stored in:

S-0-0187

S-0-0188

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