Campbell Scientific CDM-VW300 Series Dynamic Vibrating-Wire Analyzer System - Manual (Page 96)

Appendix G. CRBasic Program Library
G.1.3 20 Hz Measurement Example — Three CDM-VW305s, 24
Channels
'===20Hz-3Devices8Ch_3-25-13.CR3===
'CR3000 datalogger
'CDM-VW305 vibrating-wire analyzer
'Program to read 20-Hz dynamic data from three CDM-VW305 analyzers (8x3=24 channels)
'IMPORTANT -- Ensure that the CPI addresses coded on the following lines matches the addresses
'reported for each attached analyzer in the DevConfig or DVWTool software.
Const CPI_ADDR1 = 5
Const CPI_ADDR2 = 15
Const CPI_ADDR3 = 25
Public Freq1(8), Freq2(8), Freq3(8) 'dynamic frequencies
Public Diag1(8) As Long , Diag2(8) As Long , Diag3(8) As Long 'diagnostic codes
Public StaticFreq1(8), StaticFreq2(8), StaticFreq3(8) 'Static (1Hz output) frequencies
Public Therm1(8), Therm2(8), Therm3(8) 'Thermistor readings
Public DynStdDev1(8), DynStdDev2(8), DynStdDev3(8) 'Dynamic Standard Deviations
'Setup for First Device
' CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8
' --- --- --- --- --- --- --- ---
Dim Enable1(8) As Long = { 1, 1, 1, 1, 1, 1, 1, 1}
Dim Max_AMP1(8) = { 0.002, 0.002, 0.002, 0.002, 0.002, 0.002, 0.002, 0.002}
Dim F_Low1(8) = { 300, 300, 300, 300, 300, 300, 300, 300}
Dim F_High1(8) = { 6000, 6000, 6000, 6000, 6000, 6000, 6000, 6000}
Dim OutForm1(8) As Long = { 0, 0, 0, 0, 0, 0, 0, 0}
Dim Mult1(8) = { 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0}
Dim Off1(8) = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}
Dim SteinA1(8) = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}
Dim SteinB1(8) = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}
Dim SteinC1(8) = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}
'Setup for Second Device
Dim Enable2(8) As Long = { 1, 1, 1, 1, 1, 1, 1, 1}
Dim Max_AMP2(8) = { 0.002, 0.002, 0.002, 0.002, 0.002, 0.002, 0.002, 0.002}
Dim F_Low2(8) = { 300, 300, 300, 300, 300, 300, 300, 300}
Dim F_High2(8) = { 6000, 6000, 6000, 6000, 6000, 6000, 6000, 6000}
Dim OutForm2(8) As Long = { 0, 0, 0, 0, 0, 0, 0, 0}
Dim Mult2(8) = { 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0}
Dim Off2(8) = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}
Dim SteinA2(8) = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}
Dim SteinB2(8) = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}
Dim SteinC2(8) = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}
'Setup for Third Device
Dim Enable3(8) As Long = { 1, 1, 1, 1, 1, 1, 1, 1}
Dim Max_AMP3(8) = { 0.002, 0.002, 0.002, 0.002, 0.002, 0.002, 0.002, 0.002}
Dim F_Low3(8) = { 300, 300, 300, 300, 300, 300, 300, 300}
Dim F_High3(8) = { 6000, 6000, 6000, 6000, 6000, 6000, 6000, 6000}
Dim OutForm3(8) As Long = { 0, 0, 0, 0, 0, 0, 0, 0}
Dim Mult3(8) = { 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0}
Dim Off3(8) = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}
Dim SteinA3(8) = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}
Dim SteinB3(8) = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}
Dim SteinC3(8) = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}
'Shared rainflow configuration (not used, but required as configuration arguments)
Dim RFMB(8) As Long = { 20, 20, 20, 20, 20, 20, 20, 20}
Dim RFAB(8) As Long = { 20, 20, 20, 20, 20, 20, 20, 20}
Dim RFLL(8) = { 400.0, 400.0, 400.0, 400.0, 400.0, 400.0, 400.0, 400.0}
Dim RFHL(8) = {4000.0,4000.0,4000.0,4000.0,4000.0,4000.0,4000.0,4000.0}
Dim RFHY(8) = { 0.005, 0.005, 0.005, 0.005, 0.005, 0.005, 0.005, 0.005}
Dim RFOF(8) As Long = { 100, 100, 100, 100, 100, 100, 100, 100}
'Configure First Device
CDM_VW300Config (1,CPI_ADDR1,0,Enable1(),Max_AMP1(),F_Low1(),F_High1(), _
OutForm1(),Mult1(),Off1(), SteinA1(),SteinB1(),SteinC1(), _
RFMB(),RFAB(),RFLL(),RFHL(),RFHY(),RFOF())
'Configure Second Device
CDM_VW300Config (1,CPI_ADDR2,0,Enable2(),Max_AMP2(),F_Low2(),F_High2(), _
OutForm2(),Mult2(),Off2(), SteinA2(),SteinB2(),SteinC2(), _
RFMB(),RFAB(),RFLL(),RFHL(),RFHY(),RFOF())
'Configure Third Device
G-4