Azbil DCP31 - Description of setup data settings

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Chapter 7. PARAMETER SETUP

Description of setup data settings

C 0 7
(input 1 square root extraction dropout)
•Generally,thedifferentialpressuredetectedbyanorificeonadif-
ferentialpressuretypeflowmeter,isproportionaltothesquareof
theflowrate.Forthisreason,squarerootextractioniscarriedout
whenuniformsignalsarerequired.
Wheninputforsquarerootextractionisthedropoutvaluesetby
C07
orless,outputfromsquarerootextractionprocessingcanbe
setto0%.
•When
C07
issetto1,squarerootextractionisnotcarriedout.
•Squarerootextractioniscarriedwithintherange0.0to100.0%.
Intheranges-10.0to0.0%and100.0to110.0%,regularscalingis
carriedout.

C 0 9
(SP1 lower limit)

C 1 0
(SP1 upper limit)
•Thisisaprogramsetuppatternitem,andfunctionsasalimitter
whensettingorchangingSP.
•Intheprogramoperationmode,thisfunctionsasalimitteronthe
valueobtainedbyaddingtheSPsettotheprogramtotheSPbias
(variableparameter).TheresultofthisoperationistakenasSP.
•ThisfunctionsasalimitterwhensettingorchangingtheSPin
constant-valuedatasetup.
•Intheconstant-valueoperationmode,thisfunctionsasalimitter
onthevalueobtainedbyaddingtheSPsettotheconstant-value
operationdatatotheSPbias(variableparameter).Theresultof
thisoperationistakenasSP.
Input (X)
Y=(X/100)
1/2
x 100
Output after square root
extraction (Y)
Dropout value
(variable in range 0.1 to 10.0%)
100%
100%