Endress+Hauser Levelflex FMP55 Operating Instructions Manual page 159

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