Siemens SITRANS F Series, Руководство по эксплуатации, Страница: 93 / 362

Diagnosing and troubleshooting
9.3 Device status icons
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
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Siemens standard alarm classes
Icon Priority
level
Name Description
1 Maintenance failure
• Maintenance alarm: maintenance demanded immediately
•
Measurement values are not valid
5 Maintenance warning
•
Maintenance warning
•
Measured signal still valid
6 Maintenance required
•
Maintenance required
• Measured signal still valid
3 Process value alarm
•
Process value has reached an alarm limit
4 Process value warning
• Process value has reached a warning limit
2 Function check
•
Change of configuration, local operation, or substitute value entered
•
Output signals are temporarily invalid
NAMUR status signals
Icon Priority
level
Name Description
1 Failure
•
Failure
• Invalid output signal
3 Out of specification
•
Out of specification
• Device will still work, but output signals may be invalid
4 Maintenance required
• Maintenance request
•
Measured signal still valid
2 Function check
• Function check
•
Output signal temporarily invalid