Campbell-scientific CS451/CS456 Pressure Transducer Manual de usuario descargar pdf (Pagina 35)

Appendix B. Example Programs

B.2 Example Program for CR10(X) Dataloggers

Below is a portion of a CR10X program that measures the CS451/CS456.

The instructions below do not store data in final storage.

Instruction 92, Instruction 77, and processing instructions such as

Instruction 70 are required to store the data permanently.

;{CR10X}

;

*Table 1 Program

01: 60 Execution Interval (seconds)

1: SDI-12 Recorder (P105)

1: 0 SDI-12 Address

2: 0 Start Measurement (aM0!)

3: 1 Port ;this is where the white wire is connected

4: 1 Loc[Data_1 ]

5: 1.0 Mult

6: 0.0 Offset

*Table 2 Program

02: 0.000 Execution Interval (seconds)

*Table 3 Subroutines

End Program

After Instruction 105 is executed, the input location called “Data_1” will hold

the measured pressure, reported in PSI, and the input location called Data_2

will hold the measured temperature, in degrees Celsius. The results can be

further processed by the datalogger. Note that Port 1 specifies that the SDI-12

data line is to be connected to the Port C1.

NOTE

B-3

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 47 48

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Campbell-scientific CS451/CS456 Pressure Transducer Manual de usuario Pagina 35