Campbell CR800 Especificações Página 72

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Section 2. Data Storage and Retrieval
Time Stamp
This field is the date and time stamp for this record. It indicates the time,
according to the logger clock, that each record was stored.
Record Number
This field is the record number of this record. The number will increase up to
2E32 and then start over with zero. The record number will also start over at
zero if the table is reset.
Field Data
This is the data for each of the fields in the record.
2.4.2 TOA5 ASCII File Format
The following is a sample of a file collected as TOA5.
"TOA5","Fritz","CR800","1079","CR800.Std.1.0","CPU:TCTemp.CR8","51399","Temp"
"TIMESTAMP","RECORD","RefTemp_Avg","TC_Avg(1)","TC_Avg(2)","TC_Avg(3)","TC_Avg(4)"
"TS","RN","degC","DegC","DegC","DegC","DegC"
"","","Avg","Avg","Avg","Avg","Avg"
"2004-10-27 16:20:00",0,24.1,24.03,24.04,24.05,24.04
"2004-10-27 16:30:00",1,24.01,24.01,24.01,24,23.99,
The following is an example of how the above data might look when imported
into a spreadsheet.
TOA5 Fritz CR800 1079 CR800.Std1.0 CPU:TCTemp.CR8 51399 Temp
TIMESTAMP RECORD RefT_Avg TC_Avg(1) TC_Avg(2) TC_Avg(3) TC_Avg(4)
TS RN degC DegC DegC DegC DegC
Avg Avg Avg Avg Avg
10/27/2004 16:20 0 24.1 24.03 24.04 24.05 24.04
10/27/2004 16:30 1 24.01 24.01 24.01 24 23.99
2.4.3 TOB1 Binary File Format
This is a sample of the TOB1 Binary file header
"TOB1","Fritz'","CR800","1079","CR800.Std.1.0","CPU:TCTemp.CR8","51399","Temp"
"SECONDS","NANOSECONDS","RECORD","RefTemp_Avg","TC_Avg(1)","TC_Avg(2)","TC_Avg(3)","TC_Avg(4)"
"SECONDS","NANOSECONDS","RN","degC","DegC","DegC","DegC","DegC"
"","","","Avg","Avg","Avg","Avg","Avg"
"ULONG","ULONG","ULONG","FP2","FP2","FP2","FP2","FP2"
(Data are binary and not directly readable)
2.4.4 TOB3 Binary File Format
The TOB3 binary format has a header similar to the other formats. TOB3 data
is stored in fixed size “frames” that generally contain a number of records.
The size of the frames is a function of the record size. The frames are time
stamped, allowing the calculation of time stamps for their records. If there is a
lapse in periodic interval records that does not occur on a frame boundary, an
additional time stamp is written within the frame and its occurrence noted in
the frame boundary. This additional time stamp takes up space that would
otherwise hold data.
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