Endress+Hauser iTEMP TMT85, Руководство по эксплуатации

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Operation via FOUNDATION Fieldbus TM
iTEMP TMT85
90 Hauser
• The diagnostic category as per NAMUR Recommendation NE107 is transmitted over the
fieldbus in a format that is independent of the manufacturer:
• F: Failure
• C: Function check
• S: Out of specification
• M: Maintenance required
• The diagnostic category of the predefined event groups can be adapted by the user
according to the requirements of the individual application.
• Certain events can be separated from their group and be treated individually:
• 042: Sensor corrosion
• 103: Drift
• 901: Ambient temperature too low
• 902: Ambient temperature too high
• Additional information and troubleshooting measures are transmitted over the fieldbus
with the event message.
It is important to ensure that the Multi-bit Alarm Support option is activated in the
FEATURE_SEL parameter from the Resource Block.
14.7.1 Event groups
The diagnostic events are divided into 16 default groups according to the source and the
importance (weighting) of the event. A default event category is assigned to each group at
the factory. Here, one bit of the assignment parameters belongs to every event group.
Default assignments of diagnostic messages to the individual groups are defined in the
following table.
Event weighting Default event category Event source Bit Events in this group
Highest weighting Failure (F) Sensor 31 • F041: Sensor break
• F043: Sensor short-circuit
Electronics 30 • F221: Reference measurement
• F261: Device electronics
• F283: Memory error
Configuration 29 • F431: Reference values
• F437: Configuration error
Process 28 Not used with this device
Event weighting Default event category Event source Bit Events in this group
High weighting Function check (C) Sensor 27 Not used with this device
Electronics 26 Not used with this device
Configuration 25 • C402: Device initialization
• C482: Simulation active
• C501: Device reset
Process 24 Not used with this device
Event weighting Default event category Event source Bit Events in this group
Low weighting Out of specification (S) Sensor 23 Not used with this device
Electronics 22 Not used with this device
Configuration 21 S502: Special linearization
Process 20 • S901: Ambient temperature too low
1)
• S902: Ambient temperature too high
1)
1) This event can be removed from the group and treated separately; see the "Configurable area" section.