Lumel P30U series - Median Filter

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we should set the value “8002” in the menu of the parameter
Display
→
Disp.Reg.
 or enter the value “8002” into
theregister4024.
 InordertomakethetransducerRS-485interfaceworkagain
in the Slave mode, one should select proper mode in menu RS-485
Mbus 485
→
Mode
→
Slave
.
5.5.1.3. Median filter
 Median filter function on measured value is implemented
inTransducerP30U.Thisfunctionenablestofilterinputsignalfrominflu-
enceofperturbancesoninputsignal.ParameterInput → Median
specifiesnumberofsamplesfromwhichsignalwillbefiltered-number
ofsamplesdeterminesfilteringperiod.Forexample,iftransduceriscon-
figuredformeasuringvoltagefrom0...10Vrange(sample rate80ms),
medianfunctionisoffandsequentialmeasuredsamplesare:10.0065,
10.0055,10.025,10.004,10.0055,thentheoutputvaluewillbeunstable
and average valuewill have value 10.0093.Average value does not
describethereallevelofconsideredsignalwhatisshownonfig.10.
Fig.10. Exemplary signal  samples unsorted