Beckhoff C1300 Bedienungsanleitung PDF herunterladen (Seite 20)

C1300 VME to II/O Interface Unit Beckhoff II/O-System

Page 20 of 44 Version : 2.01 Date : 18.12.95

Function 05

: Absorbtion test

The light absorbtion of the fo-ring can be tested by means of this function. In this

test all connection cables of the fo-ring are partially run at about 80 % of the

normal transmission intensity using specified test telegrams. This test can be run

on all modules or on a single one selected before ( shown in the figure below ).

The C1300 interface can be tested seperately or through module address 0.

" Error at high intensity " means: The ring has even in a normal run an absorbtion

that is too high or a fraction of cables or connection occured.

" Error switching Low intensity " means, that the transmission intensity of the

module concerned cannot be reduced.

"Error at data pattern xx " shows up that in the fo-ring absorbtion is too high, after

the signal passed the last module .

" Error switching high intensity " means the module concerned cannot be reset

to full transmission intensity.

This figure shows an overview of the function call and responses possible.

channel length function argument

argument

comment

call

04 05 00 00

test all modules

04 05 01 nn

test module nn

response

04 05 00 00

there is sufficient absorbtion

(*)

04 05 02 00

error at High-Intensity

04 05 03 nn

error switching Low-Intensity

( module nn)

04 05 04 nn

error at Data pattern 1

( pattern 00) (module nn)

04 05 05 nn

error at Data pattern 2

( pattern FF) (modul nn)

04 05 06 nn

error at Data pattern 3

( pattern AA)(module nn)

04 05 07 nn

error switching High-Intensity

(Modul nn)

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 43 44

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