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2. dvwtool and crbasic settings – Campbell Scientific CDM-VW300 Series Dynamic Vibrating-Wire Analyzer System User Manual

Page 29

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CDM-VW300 Series Dynamic Vibrating-Wire Analyzers

Procedure:

1. Install DVWTool before connecting the SC-CPI or CDM-VW300 to the

PC. Reference Section 7.1.1, Software and Driver Installation.

2. Before proceeding, follow the procedure outlined in Section 6.1,

Laboratory-Mode Installation for all sensors connected to the CDM-
VW300. Record settings determined in DVWTool for later use in the
CRBasic program. The following work sheet (TABLE 6-2) lists DVWTool
settings and corresponding CRBasic instruction settings, and provides a
place to record settings for one sensor. Copy and fill in this worksheet for
each sensor to be connected.

TABLE 6-2. DVWTool and CRBasic Settings

DVWTool Setting

Corresponding CRBasic

Instructions and

Parameters Setting

Device Name

No corresponding setting

Scan()

Scan Rate

1

Interval

1

No corresponding setting

Units = msec

No corresponding setting

Buffer = 500

No corresponding setting

Count = 0

CDM_VW300Config()

Device Type (auto-detected)

DeviceType

CPI Address

CPIAddress

No corresponding setting

SysOptions

Channel X Enable check box

ChanEnable

Resonant Amplitude (V)

ResonAmp

Minimum Frequency (Hz)

LowFreq

Maximum Frequency (Hz)

HighFreq

Output Format (Hz or Hz

2

)

ChanOptions

Multiplier

Mult

Offset

Offset

Steinhart-Hart Thermistor
Coeff
A

SteinA

Steinhart-Hart Thermistor
Coeff
B

SteinB

Steinhart-Hart Thermistor
Coeff
C

SteinC

Rainflow | Number of Mean
Bins

RF_MeanBins

19