Endress+Hauser Levelflex M FMP40 Brief Operating Instructions page 33

Levelflex M FMP40 FOUNDATION Fieldbus
5.4.5 Function "process propert." (004)
ENDRESS + HAUSER
–
+
E
Use this function to adapt the device reaction to the filling speed in the tank. The setting impacts
on an intelligent filter.
Selection:
• standard
• fast change
• slow change
• test:no filter
Selection:
Application:
2-wire
electronics:
5.4.6 Function "end of probe" (030)
ENDRESS + HAUSER
–
+
E
Use this function to select the polarity of the probe end signal. If the probe end is uncovered or
in an insulated attachment, there is a negative probe end signal.
The signal from the probe end is positive if the attachment is grounded.
Selection:
• free
• tie down isol.
• tie down gnd. (if using a metallic centering of probe end)
Endress+Hauser
⇒
standard fast change
For all normal Small tanks, primarily
applications, bulk solids with fluids, at high
and fluids at low to filling speeds.
medium filling speed
and sufficiently large
tanks.
Dead time: 4 s Dead time: 2 s
Rise time: 18 s Rise time: 5 s
⇒
slow change test:no filter
Applications with strong Shortest reaction time:
surface movement, e.g. • For test purposes
caused by stirrer, • Measurement in
primarily large tanks
with slow to medium
filling speed.
Dead time: 6 s Dead time: 1 s
Rise time: 40 s Rise time: 0 s
Commissioning
small tanks at high
filling speeds, if
"rapid change"
setting is too slow.
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