Endress+Hauser Levelflex FMP56 Operating Instructions Manual page 160

Foundation fieldbus guided wave radar
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Operating menu
Ramp at echo lost
Navigation
Prerequisite
Description
User entry
Additional information
Blocking distance
Navigation
Description
User entry
Factory setting
Additional information
160
 Setup → Advanced setup → Safety sett. → Ramp echo lost
Output echo lost (→  159) = Ramp at echo lost
Slope of the ramp in the case of a lost echo
Signed floating-point number
A
Delay time echo lost
B
Ramp at echo lost (→  160) (positive value)
C
Ramp at echo lost (→  160) (negative value)
• The unit for the slope of the ramp is "percentage of the measuring range per minute" (%/
min).
• For a negative slope of the ramp: The measured value is continuously decreased until it
reaches 0%.
• For a positive slope of the ramp: The measured value is continuosly increased until it
reaches 100%.
 Setup → Advanced setup → Safety sett. → Blocking dist.
Specify upper blocking distance UB.
0 to 200 m
• For rod and rope probes up to 8 m (26 ft): 200 mm (8 in)
• For rod and rope probes above 8 m (26 ft): 0.025 * Sondenlänge
Signals in the upper blocking distance are only evaluated if they have been outside the
blocking distance when the device was switched on and move into the blocking distance
Levelflex FMP56, FMP57 FOUNDATION Fieldbus
100%
B
A
0%
min
C
t
Endress+Hauser
A0013269

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