Campbell CDM-VW300 Series Instrukcja Obsługi Pobierz pdf (Strona 104)

Appendix G. CRBasic Program Library

CDM_VW300Config(1,CPI_ADDR3,0,Enable3(),Max_AMP3(),F_Low3(),F_High3(), _

OutForm3(),Mult3(),Off3(), SteinA3(),SteinB3(),SteinC3(), _

RFMB(),RFAB(),RFLL(),RFHL(),RFHY(),RFOF())

DataTable (static,true,-1)

Sample (8,StaticFreq1(),IEEE4)

Sample (8,Therm1(),IEEE4)

Sample (8,DynStdDev1(),IEEE4)

Sample (8,StaticFreq2(),IEEE4)

Sample (8,Therm2(),IEEE4)

Sample (8,DynStdDev2(),IEEE4)

Sample (8,StaticFreq3(),IEEE4)

Sample (8,Therm3(),IEEE4)

Sample (8,DynStdDev3(),IEEE4)

EndTable

DataTable (dynamic,true,-1)

Sample (8,Freq1(),IEEE4)

Sample (8,Diag1(),IEEE4)

Sample (8,Freq2(),IEEE4)

Sample (8,Diag2(),IEEE4)

Sample (8,Freq3(),IEEE4)

Sample (8,Diag3(),IEEE4)

EndTable

BeginProg

'50 Hz/20msec scan rate

Scan(20,msec,500,0)

CDM_VW300Dynamic(CPI_ADDR1,Freq1(),Diag1()) 'Get dynamic readings

CDM_VW300Dynamic(CPI_ADDR2,Freq2(),Diag2())

CDM_VW300Dynamic(CPI_ADDR3,Freq3(),Diag3())

CallTable dynamic

If TimeIntoInterval (0,1,Sec) Then

CDM_VW300Static(CPI_ADDR1,StaticFreq1(),Therm1(),DynStdDev1()) 'Get static readings

CDM_VW300Static(CPI_ADDR2,StaticFreq2(),Therm2(),DynStdDev2())

CDM_VW300Static(CPI_ADDR3,StaticFreq3(),Therm3(),DynStdDev3())

CallTable static

EndIf

NextScan

EndProg

G.1.8 50 Hz Measurement Example — One CDM-VW300, Two

Channels, Rainflow Histogram

'===RFH-50HzExample2Ch_3-25-13.CR3===

'CR3000 datalogger

'CDM-VW300 vibrating-wire analyzer

'Program to read 50-Hz dynamic data from one CDM-VW300 analyzer measuring two channels.

'Demonstrate use of rainflow histogram.

'IMPORTANT -- Ensure that the CPI address coded on the following line matches the address

'reported for the attached analyzer in the DevConfig or DVWTool software.

Const CPI_ADDR = 1 '<<<<<<<<<<<<<<SET CPI ADDRESS HERE

Public Freq(2)

Public Diag(2) As Long

Public StaticFreq(2)

Public Therm(2)

Public DynStdDev(2)

'Rainflow : Mean Bins and Amplitude Bins dimensions

Const MBINS = 10

Const ABINS = 10

'Rainflow-Histogram Outputs - 2 dimensional arrays

Public RF1(MBINS,ABINS)

Public RF2(MBINS,ABINS)

G-12

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