Installation Guide Part 2
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MOST COMMONLY ASKED QUESTIONS
1WhatdoesGPrepstandfor?
GasTOMMPreparation
2WhatisGPrepusedfor?
GPrepisatoolthatisusedintheCrossDockormetershoptoprogramgasor
waterCPRmoduleswithouttheuseofahandheld.Itisalsousedto
disassociategasorwaterCPRmodulesfrommeters.
3W
h
atisprogrammedintothemodule?
IntheʺProgramNewʺandʺRe‐ProgramOldʺmodes,fieldoperating
parametersareprogrammedintothemodule.MeterID,RolloverPoint,Dial
Read,andMeterConstantaretheonlyparametersthatcanbechangedbythe
operator.
4Howdoesameterconstantwork?
Ameterconstantisamu
lt
iplierthatconvertsthepulses/turnsofthemodule
intocubicfeet.Thereasonforthemeterconstanttobe.02onameterwitha
2ftdriveisthatforeveryrotationofthedrivedogtherehaspassed2cubicft
ofgas.Thisisequivalentto2%or.0
2or
2/100thsof1pointonthesmallestof
thefourdials,whichmeasureshundredsofcubicfeet.Forevery50rotations
ofthe2‐ftdogdial100cubicfeetofgashaspassed.Forevery50rotations,the
1,000dialhasincreased1point(100cubicfeet)andourmodule(i
f
ithappens
totransmitatthatmoment)sendsoutapacketwithacountof50.OCDB
multipliesthe50by themeterconstant.02togetareadof1,whichwepasson
totheutilityasareadof1forthatmeter
.Ther
efore,ifthemeterconstantwere
falselysetto.01the50rotationswouldbemultipliedby.01andwouldonly
showthatthemeterused50cubicfeetofgas.
5WhydonʹtyouprogramthemeterIDfromthe frontofthemeterintothe
module?
The“UtilityBillingID”getspr
ogrammedint
othemeter;thisisnotusually
thesameastheMeterID.
6Whatisarolloverpoint,howisitused,whyisitimportanttomakesurethat
itisright?
Thenumberatwhichthedialsofameterturnoverandstartatzeroagain.
Fo
ra
fourdialmeterthenumbersonthedialscannotgoover9999,therefore,
therolloverpointis10000,for5dialmeterstherolloverpointis100,000,etc.It
isimportanttoprogram thecorrectrolloverpointintothemodulesothatour
systemreadmatchesthedialplate.
7W
h
atscreenshouldIuseinthesamplingprocess?
Thereareseveraldifferenttypesofsamplingdonebythemetershop.The
mostcommonaresamplingofCellnet‐readyOEMmeters,andsampling
modulesfromaCellnetmanufacturer,whicharedoneusingthe“inspect”
mode.
8Whoisresponsiblefortransferringthedatafi
les,howoften,whowritesthe
sc
riptstopickupthedatafromtheserver?
Thelocaldatabaseanalystisusuallyresponsiblefortransferringthedata
fromGPreptoRIMS.He/sheshoulddothisdaily(aslongasthereisdatato
transfer).Someoneinthedatabasegroupwritesthescri
pttoau
tomatically
pickupthisdatadaily.