Endress+Hauser Levelflex FMP51 Operating Instructions Manual page 144

Operating menu
Output echo lost
Navigation
Description
Selection
Additional information
Value echo lost
Navigation
Prerequisite
Description
User entry
Additional information
7) Only visible if ' " Linearization type (→  136)" = "None"
144
"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.
7)
• 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 (→  145).
7)
• Value echo lost
In the case of a lost echo the output assumes the value defined in the Value echo lost
parameter (→  144).
• 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 (→  144) = 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 (→  125)
• with linearization: Unit after linearization (→  137)
Levelflex FMP51 Modbus
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