YOKOGAWA ADMAG TI Series

<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ownoisediagnosticfunctionmeasuresageneratedownoisewiththesensor,and
displaysawarningiftheownoiseexceedsthespeciedvalue.
Theownoisediagnosisisshownonthedisplayinfourlevels:level1tolevel4.Avalueto
judgeeachlevelcanbespecied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ownoisevalue,
refer to Subsection 5.1.3.
Fordetailsabouttheow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 2Level 1
Thesettingcanbecongured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
Speciestheuseoftheow
noise diagnosis function.
*1
DTB 32 Threshold level 1 Flow Noise Level1
Speciesthevaluetojudge
level 1.
DTB 33 Threshold level 2 Flow Noise Level2
Speciesthevaluetojudge
level 2.
DTB 34 Threshold level 3 Flow Noise Level3
Speciesthevaluetojudge
level 3.
DTB 35 Threshold level 4 Flow Noise Level4
Speciesthevaluetojudge
level 4.
DTB 36 Result►Status Flow Noise Status Displaystheownoiselevel.
*1: Fromthetablebelow,selecttheuseoftheownoisefunction.