Endress+Hauser Fieldbus Levelflex M FMP41C Operating Instructions Manual page 48

Commissioning
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.
48
Function "process propert." (004)
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
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 select the polarity of the probe and signal. If the probe end is uncovered or in
an insulated attachment, there is a negativ probe end signal. The signal from the probe and is
positive if the attachment is grounded. Only the setting "free" is permitted for the FMP41C.
Selection:
• free
• tie down isol.
2)
• tie down gnd.
Levelflex M FMP41C with FOUNDATION Fieldbus
slow change
Applications with strong surface
movement, e.g. caused 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
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
Endress + Hauser