Campbell CS225 Manual de instrucciones Pagina 17

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CS225 Temperature String
14
NextScan
'Poll CS225 in Slow Sequence every minute
SlowSequence
Scan (60,Sec,3,0)
'Read the current Temperature Value
For i=1 To NumTempSensors
SDI12Recorder (CS225Temp(i),CS225_SDI12_Port,ConvertNumToSDI12address(i),"R0!",1.0,0)
Next
CallTable One_Minute
NextScan
EndProg
7.2.3 CS225 Metadata
Every temperature point in a string includes the following Meta Data, which
can be retrieved using the aR1! SDI-12 command. This information can be
used to identify details of the temperature string and its individual temperature
points.
Table 7-5 Meta Data Details
Name
Value Range
Description
Serial
Number
0 to 65534
The serial number that is unique to each sensor unit.
Location
Number
1 to 255
Each temperature sensor within a string is assigned its
own unique location number
,
which by default is in
relation with the
SDI-12 address (See Table 7-4).
Measurement
from End
Value
0 to 65535 cm
This value is in centimetres (cm). These are intended
to reflect the distances
of a sensor from the end of the
sensor array. T
he bottom most temperature point
would be designated a
s 0 cm. I
f the next temperature
point below were
20 cm away, then its
Measurement
from End value would be 2
0
cm. Users may designate
other starting values. These can be configured at the
time of ordering.
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