Safety Settings; Output Echo Lost; Value Echo Lost - Endress+Hauser Levelflex FMP55 Operating Instructions Manual

Operating menu

Output echo lost

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Description
Selection
Factory setting
Additional information

Value echo lost

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Prerequisite
Description
User entry
Factory setting
Additional information
142
"Safety settings" submenu
Navigation  Setup → Advanced setup → Safety sett.
 Setup → Advanced setup → Safety sett. → Output echo lost
Define the behavior of the output signal in case of a lost echo.
• Last valid value
• Ramp at echo lost
• Value echo lost
• Alarm
Last valid value
Meaning of the options
• Last valid value
The last valid value is kept in the case of a lost echo.
• Ramp at echo lost
In the case of a lost echo the output value is continously shifted towards 0% or 100%.
The slope of the ramp is defined in the Ramp at echo lost parameter (→  143).
• Value echo lost
In the case of a lost echo the output assumes the value defined in the Value echo lost
parameter (→  142).
• Alarm
In the case of a lost echo the device generates an alarm; see the Failure mode parameter
(→  152)
 Setup → Advanced setup → Safety sett. → Value echo lost
Output echo lost (→  142) = Value echo lost
Define output value in case of a lost echo.
0 to 200 000.0 %
0.0 %
Use the unit which has been defined for the measured value output:
• without linearization: Level unit (→  126)
• with linearization: Unit after linearization (→  135)
Levelflex FMP55 HART
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Endress+Hauser