Endress+Hauser Levelflex FMP53 - The Safety settings submenu; Output echo lost; Value echo lost

Description of device parameters (operating menu) Levelflex FMP51, FMP52, FMP54
142 Endress+Hauser
The "Safety settings" submenu
Output echo lost
Navigation
Setup ® Advanced setup ® Safety settings ® Output echo lost
Description
Defines the output signal in the case of a lost echo.
Selection
• Last valid value
The last valid value is kept in the case of a lost echo.
•
Ramp 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 echo lost parameter.
• Value echo lost
In the case of a lost echo the output assumes the value defined in the Value echo lost
parameter.
• Alarm
In the case of a lost echo the device generates an alarm and the output assumes the value
defined in the Failure mode parameter .
Factory settings
Last valid value
Value echo lost
Navigation
Setup ® Advanced setup ® Safety settings ® Value echo lost
Condition
Only visible if the Value echo lost option has been selected in the Output echo lost parameter.
Description
Defines the constant output value in the case of a lost echo.
Input range
0 to 200000
Factory setting
0
Additional information
The unit is the same as for the output value:
•
Without linearization: As defined in the Level unit parameter (® ä 130).
•
With linearization: As defined in the Unit linearized parameter (® ä 137).
Ramp echo lost
Navigation
Setup ® Advanced setup ® Safety settings ® Ramp echo lost
Condition
Only visible if the Ramp echo lost option has been selected in the Output echo lost parameter.