Endress+Hauser Fieldbus Levelflex M FMP43 Operating Instructions Manual page 53

Levelflex M FMP43 with FOUNDATION Fieldbus
⇒
ENDRESS + HAUSER
– +
E
Selection:
Application: For all normal applications, bulk
solids and fluids at low to
medium filling speed and
sufficiently large tanks.
2-wire electronics: Dead time: 4 s
Rise time: 18 s
4-wire electronics: Dead time: 2 s
Rise time: 11 s
⇒
ENDRESS + HAUSER
– +
E
2) These settings lead to a false output signal for empty tanks..
Endress+Hauser
Function "process propert" (004)
Use this funtcion to adapt the instrument to the filling speed in the tank. The setting impacts on an
intelligent filter.
Selection:
• standard
• fast change
• slow change
• test: no filter
standard fast change
Small tanks, primarily with
fluids, at high filling speeds.
Dead time: 2 s
Rise time: 5 s
Dead time: 1 s
Rise time: 3 s
Function "end of probe" (030)
Use this function to selcet the polarity of the probe end signal. If the probe end is uncovered or in
an insulated attachment, there is anegative probe end signal. The signal from the probe end is
positive if the attachement is grounded. Only the setting "free" is permitted for the FMP43.
Selection:
• free
• tie down isol.
2)
• tie down gnd.
slow change
Applications with strong surface
movement, e.g. coused by
stirrer, primarily large tanks with
slow to medium filling speed.
Dead time: 6 s
Rise time: 40 s
Dead time: 3 s
Rise time: 25 s
Commissioning
test: no filter
Shortest reaction time:
• For test purposes
• Measurement in small tanks
at high filling speeds, if "rapid
change" setting is too slow.
Dead time: 1 s
Rise time: 0 s
Dead time: 0,7 s
Rise time: 0 s
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