Adapting The Diagnostic Information; Adapting The Diagnostic Behavior; Overview Of Diagnostic Information - Endress+Hauser SpectraSensors J22 TDLAS Operating Instructions Manual

J22 TDLAS Gas Analyzer
Parameter
Failure mode
Adapting the
Diagnostic
Information
Overview of
Diagnostic
Information
SpectraSensors, Inc.
Parameter overview with brief description
Description
Select measured value output
behavior when a diagnostic mes-
sage occurs via Modbus communi-
cation.
This effect of this
parameter depends on
the option selected in
the Assign diagnostic
behavior parameter.

Adapting the diagnostic behavior

Each item of diagnostic information is assigned a specific diagnostic behavior at
the factory. The user can change this assignment for specific diagnostic
information in the Diagnostic behavior submenu.
Navigation
Expert → Setup → Diagnostic handling → Diagnostic behavior
You can assign the following options to the diagnostic number as the diagnostic
behavior:
Options
Alarm
Warning
Logbook entry
only
Off
The amount of diagnostic information and the number of measured variables
affected increase if the measuring device has one or more application packages.
In the case of some items of diagnostic information, the diagnostic behavior can
be changed. Change the diagnostic information →  117
User Entry
• NaN value
• Last valid value
NaN = not a number
The device stops measurement. The measured value output via
Modbus RS485 and the totalizers assume the defined alarm con-
dition. A diagnostic message is generated. The background light-
ing changes to red.
The device continues to measure. The measured value output via
Modbus RS485 and the totalizers are not affected. A diagnostic
message is generated.
The device continues to measure. The diagnostic message is dis-
played only in the Event logbook submenu (Event list submenu)
and is not displayed in alternation with the operational display.
The diagnostic event is ignored, and no diagnostic message is
generated or entered.
Factory Setting
NaN value
Description
4900002277
117