SIMATIC MV500
Operating Instructions, 06/2018, C79000-G8976-C494-01
175
Error and diagnostics messages
If there are operator errors or errors in processing mode, the optical reader outputs
diagnostic information. The diagnostic information can be read out as follows:
● As a message via the WBM.
● Via the LED display on the reader.
● When using onboard PROFINET and FB 79 or Ident profile, in the device diagnostics.
● When using the Ident profile, in the diagnostics.
For the messages, a distinction is made between the following message types:
● Error messages
● Warnings/notes
● Read results
All three message types are displayed in the WBM.
Most messages of the "error message" type trigger a diagnostic interrupt on the relevant
PROFINET controller.
The following sections "Error messages" and "Error output of read results" describe all
messages, their meaning and the corresponding corrective measures.
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