<5. Functions>
137
IM 01E21A02-03EN
IMPORTANT
• Before using the electrode insulation deterioration diagnosis function, be sure to disconnect
this product from the control loop.
• While the electrode insulation deterioration diagnosis function is used, the pulse output is not
output correctly.
NOTE
Before using the electrode insulation deterioration diagnosis function, always make sure that
the sensor is in the full pipe state. If the sensor is in the empty pipe state, the function to detect
adhesion may not run normally.
5.9.8 Diagnosing Flow Noise (only available for AXG, not for
AXW)
The flow noise diagnostic function measures a generated flow noise with the sensor, and
displays a warning if the flow noise exceeds the specified value.
The flow noise diagnosis is shown on the display in four levels: level 1 to level 4. A value to
judge each level can be specified individually. If an output exceeds the level 3 or level 4 value, a
warning message is displayed.
For details about the alarm and warning, refer to Subsection 5.6.1. Also, for the flow noise value,
refer to Subsection 5.1.3.
For details about the flow noise span and damping time constant, refer to Subsections 5.1.5 and
5.1.6.
F0436.ai
Warning
Level 4
Warning
Level 3
Level 2
Level 1
The setting can be configured with the following parameters.
Menu path
Display
Device setup ► Diag/Service ► Diagnosis ► Flow noise ► (see below)
F
OUNDATION
Fieldbus
Diagnostic ► DTB ► Device Diagnostics ► Diagnostics/Alerts ► Diagnostics ► Flow
Noise ► (see below)
Block
Name
Relative
Index
Parameter
Description
Display
F
OUNDATION
Fieldbus
DTB
31
Function
Flow Noise Check
Specifies the use of the flow
noise diagnosis function.
*1
DTB
32
Threshold level 1
Flow Noise Level1
Specifies the value to judge
level 1.
DTB
33
Threshold level 2
Flow Noise Level2
Specifies the value to judge
level 2.
DTB
34
Threshold level 3
Flow Noise Level3
Specifies the value to judge
level 3.
DTB
35
Threshold level 4
Flow Noise Level4
Specifies the value to judge
level 4.
DTB
36
Result ► Status
Flow Noise Status
Displays the flow noise level.
*1:
From the table below, select the use of the flow noise function.