Campbell-scientific CR1000 Measurement and Control System Manual do Utilizador descarregar pdf (Página 338)

Section 8. Operation

338



Example:

"signature": 38611,"environment": {"stationfiname": "11467","tablefiname":

"Test","model": "CR1000","serialfino": "11467",

"osfiversion": "CR1000.Std.21.03","progfiname": "CPU:file format.CR1"},"fields":

[{"name": "battfivoltfiMin","type": "xsd:float",

"process": "Min"},{"name": "PTemp","type": "xsd:float","process": "Smp"}]},

"data": [{"time": "2011-01-06T15:04:15","no": 0,"vals": [13.28,21.29]},

{"time": "2011-01-06T15:04:30","no": 1,"vals": [13.28,21.29]},

{"time": "2011-01-06T15:04:45","no": 2,"vals": [13.28,21.29]},

{"time": "2011-01-06T15:05:00","no": 3,"vals": [13.28,21.29]}]}

Data File-Format Elements

HEADER

File headers provide metadata that describe the data in the file. A TOA5 header

contains the metadata described below. Other data formats contain similar

information unless a non-header format option is selected in the TableFile()

instruction in the CR1000 CRBasic program.

Line 1 – Data Origins

Includesthefollowingmetadataseries:filetype,stationname,CR1000

modelname,CR1000serialnumber,OSversion,CRBasicprogram

name,programsignature,data‐tablename.

Line 2 – Data-Field Names

Liststhenameofindividualdatafields.Ifthefieldisanelementofan

array,thenamewillbefollowedbyacomm

a‐separatedlistof

subscriptswithinparenthesesthatidentifiesthearrayindex.For

example,avariablenamed“values”thatisdeclaredasatwo‐by‐two

array,i.e.,

Public Values(2,2)

willberepresentedbyfourfieldnames:“values(1,1)”,“values(1,2)”,

“values(2,1)”,and“values(2,2)”.Scalar(non‐array)variableswillnot

havesubscripts.

Line 3 – Data Units

Includestheunitsassociatedwitheachfieldintherecord.Ifnounits

areprogrammedintheCR1000CRBasicprogram,anemptystringis

enteredforthatfield.

Line 4 – Data-Processing Descriptors

EntriesdescribewhattypeofprocessingwasperformedintheCR

1000

toproducecorrespondingdata,e.g.,Smpindicatessamples,Min

indicatesminima.Ifthereisnorecognizedprocessingforafield,itis

assignedanemptystring.Therewillbeonedescriptorforeachfield

namegivenonHeaderLine2.

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