SIMATIC MV420 / SIMATIC MV440
Operating Instructions, 04/2013, A5E02371045-06
333
Alarm, fault and system messages
11
11.1 Introduction
If there are operator errors or errors in processing mode, the reader outputs diagnostic
information. This diagnostic information is output:
● As a message via the user interface.
● Via the POWER, ETHERNET and STATE/SF LED displays.
● When using onboard PROFINET and FB79 or the Ident profile in the device diagnostics.
● When using FB45 and the Ident profile in the diagnostics.
11.2 Reporting diagnostics information
Overview
The messages are divided into the following types:
● Error messages
● Warnings/notes
● Read results
All three messages are displayed in the user interface.
Most messages of the "error message" type, trigger a diagnostics interrupt on the relevant
PROFINET controller.
All the messages, their meaning and the ways to deal with them are described in "Error
messages", "Warnings/notes" and "Read results".
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