Device Functions Proline Promass 83 FOUNDATION Fieldbus 8 Block SPECIAL FUNCTION
Endress+Hauser 81
8.2.10 Function group TUBE DAMPING FLUCTUATION
HISTORY
OPERATING
FREQUENCY
FLUCTUATION
(7484)
The last ten values of the operating frequency fluctuation since the saved values were last
reset appear on the display.
Display:
5-digit floating-point number, Hz
DEVIATION
OPERATING
FREQUENCY
FLUCTUATION
(7485)
This function displays the deviation between the measured fluctuation of the operating
frequency and the reference values (FACTORY or USER) selected in the function
SELECT REFERENCE CONDITION (7402).
Display:
5-digit floating-point number, Hz
WARNING LEVEL
(7486)
! Note!
This function is not available unless ON was selected in the WARNING MODE function
(7403).
Use this function to specify a limit value for the operating frequency fluctuation. A notice
message is generated if the limit value is exceeded.
User input:
0 to 99999 Hz
Factory setting:
1000 Hz
SPECIAL FUNCTION H
⇒
DENSITY FUNCTIONS HAA
⇓
ADVANCED DIAGNOSTICS HEA
⇒
CONFIGURATION 740
⇓
ACQUISITION 741
⇓
MASS FLOW 742
⇓
DENSITY 743
⇓
REFERENCE DENSITY 744
⇓
TEMPERATURE 745
⇓
TUBE DAMPING 746
⇓
ELEC.-DYN. SENSORS 747
⇓
OPERATING FREQ. FLUCT.
748
⇓
TUBE DAMP. FLUCT. 749
Function description
SPECIAL FUNCTION → ADVANCED DIAGNOSTICS → TUBE DAMPING FLUCTUATION
REFERENCE VALUE
TUBE DAMPING
FLUCTUATION
(7490)
The reference value for the fluctuation of the tube damping appears on the display.
Display:
5-digit floating-point number
Function description
SPECIAL FUNCTION → ADVANCED DIAGNOSTICS → OPERATING FREQUENCY FLUCTUATION
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