Endress+Hauser Levelflex FMP55 - ‣; Safety Settings; Output Echo Lost; Value Echo Lost

Levelflex FMP55 HART Operating menu
Endress+Hauser 159
"Safety settings" submenu
Navigation  Setup → Advanced setup → Safety settings
Output echo lost 
Navigation  Setup → Advanced setup → Safety settings → Output echo lost
Description Output signal in case of a lost echo.
Selection • Last valid value
• Ramp at echo lost
• Value echo lost
• Alarm
Factory setting Last valid value
Additional information Meaning of the options
• Last valid value
The last valid value is kept in the case of a lost echo.
• Ramp at echo lost
9)
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 (→  160).
• Value echo lost
9)
In the case of a lost echo the output assumes the value defined in the Value echo lost
parameter (→  159).
• Alarm
In the case of a lost echo the device generates an alarm; see the Failure mode parameter
(→  169)
Value echo lost 
Navigation  Setup → Advanced setup → Safety settings → Value echo lost
Prerequisite Output echo lost (→  159) = Value echo lost
Description Output value in case of a lost echo
User entry 0 to 200 000.0 %
Factory setting 0.0 %
Additional information Use the unit which has been defined for the measured value output:
• without linearization: Level unit (→  143)
• with linearization: Unit after linearization (→  152)
9) Only visible if '"Linearization type (→  151)" = "None"