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B-124
IM 39J06B40-01EN 14th Edition: May 30, 2022

Restrictions
When 50 alarm sections are used, the settings for the preceding measured value to be
compared against for detection of alarm types Temperature Rise Limit and Temperature
Fall Limit are common to all sections.
TIP
･
The range used for alarm detection varies with the calculation range setting.
･
Temperature-Rise-Limit and Temperature-Fall-Limit for alarms are ignored for single sequence
measurement.
SEE ALSO
For details on the calculation range, see Subsection B7.3.1, "Fiber Settings."
B9.3. Alarm Results
As described in Section B9.2, “Configuration of Alarm Conditions,” alarm conditions can
be configured for up to 50 alarm sections. Alarm detection results can be retrieved for
the same number of sections.
The alarm result of each alarm section can be retrieved via Modbus.
SEE ALSO
For details, see the DTSX3000 Communications Guide (IM 39J06B40-02EN).
The alarm result of each alarm section can also be retrieved using the DTSX3000
Control Visualization Software (DTAP3000), which is available as a separate purchase,
as described below.
Configuration
sections
Section 2
Depth[m]
Result sections
Section 3
250 200 100 350 450
Section 1
Section 2
Section 3 Section 1