J22 TDLAS Gas Analyzer 4900002277
SpectraSensors, Inc. 113
Other diagnostic events that have occurred can be displayed in the Diagnostics
menu:
•Via parameter
•Via submenus → 123
Status signals
The status signals provide information on the state and reliability of the device by
categorizing the cause of the diagnostic information (diagnostic event).
The status signals are categorized according to VDI/VDE 2650 and NAMUR
Recommendation NE 107: F = Failure, C = Function Check, S = Out of
Specification, M = Maintenance Required
Diagnostic behavior
Diagnostic information
The fault can be identified using the diagnostic information. The short text helps
you by providing information about the fault. In addition, the corresponding
symbol for the diagnostic behavior is displayed in front of the diagnostic
information on the local display.
Symbol Meaning
F
Failure
A device error has occurred. The measured value is no longer
valid.
C
Function check
The device is in service mode (e.g., during a simulation).
S
Out of specification
The device is operated:
Outside its technical specification limits (e.g., outside the pro-
cess temperature range)
M
Maintenance required
Maintenance is required. The measured value remains valid.
Symbol Meaning
Alarm
• Measurement is interrupted.
• Signal outputs and totalizers assume the defined alarm condition.
• A diagnostic message is generated.
Warning
Measurement is resumed. The signal outputs and totalizers are not
affected. A diagnostic message is generated.
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