Measurement-computing TempBook rev.3.0 Instrukcja Użytkownika Pobierz pdf (Strona 116)

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API Programming Models (TempBook) TempBook User’s Manual

ret& = VBdaqAdcTransferGetStat& (handle&, active&, retCount&)

Print retCount&, “ Scans acquired. Converting data... "

The raw data is now available to be converted to temperature readings. The following code performs the

conversion process on the

buf%()

raw data buffer. When complete, the temperature values will be

available in the

temps%()

array. The

VBdaqCvtTCSetupConvert

function is used to perform the

conversion. Here, the conversion is configured with the number of readings per scan

(

TotalChans&=11

), CJC position of 2, the number of thermocouple channels (

NumTcChans&=8

), the

thermocouple type (

TcType&= TbkTCTypeJ&

), bipolar raw data, no averaging (

AvgType&=0

), the

raw data buffer (

buf%()

), the total number of scans (

Scans&=10

) and the target array for the converted

temperature data in tenths of degrees C (

temp%()

‘ Configure the TC conversion functions to use zero correction

ret& = VBdaqAutoZeroCompensate& (1)

‘ Configure and Perform Thermocouple Linearization

ret& = VBdaqCvtTCSetupConvert& (TotalChans&, 2, NumTcChans&, TcType&,1,

AvgType&,

buf%(), Scans&, temps%(), NumTcChans&)

‘ Print a channel column labels

Print "Averaged temperature readings:"

For I& = 0 To NumTcChans&

Print “Channel”, I&, “ Temperatue “, temp%(I&)/10.0,” C”

Next I&

‘ Close and exit

ret& = VBdaqClose& (handle&)

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