Endress+Hauser Liquitrend QMW43, Руководство по эксплуатации

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Liquitrend QMW43 Diagnostics and troubleshooting
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11.4 Diagnostic events
11.4.1 Diagnostic message
Faults that are detected by the device's self-monitoring system are displayed as a
diagnostic message via IO-Link.
Status signals
The overview of diagnostic events lists the messages that may occur. The Actual Diagnostic
(STA) parameter displays the message with the highest priority. The device has four
different status information codes according to NE107:
A0013956
"Failure"
A device error has occurred. The measured value is no longer valid.
A0013957
"Maintenance required"
Maintenance is required. The measured value is still valid.
A0013959
"Function check"
The device is in the service mode (e. g. during a simulation).
A0013958
"Out of specification"
The device is being operated:
• Outside its technical specifications (e. g. during warm-up or cleaning process)
• Outside the parameter configuration undertaken by the user (e. g. level outside of configured span)
Diagnostics event and event text
The fault can be identified by means of the diagnostic event.
Diagnostic event
Status signal Event number
↓ ↓
Example
A0013959
469
If two or more diagnostic events are pending simultaneously, only the message with the
highest priority is shown.
The last diagnostic message is displayed - see Last Diagnostic (LST) in the Diagnosis
submenu.