7. wiring for program example 1 – Campbell Scientific CSAT3 3-D Sonic Anemometer User Manual

Page 34

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CSAT3 Three Dimensional Sonic Anemometer

TABLE 10-7. Wiring for Program Example 1

Description

Color

CR3000

SDM Data

Green

SDM-C1

SDM Clock

White

SDM-C2

SDM Enable

Brown

SDM-C3

Digital Ground

Black

G

SDM Signal Shield

Clear

G

Power

Red

+12 Vdc

Power Reference

Black

G

Power Shield

Clear

G

EXAMPLE 1. Measuring the CSAT3 Using the SDM Output and a

CR3000 Datalogger

'CR3000 Series Datalogger

'28 December 2006

'Copyright (c) 2006 Campbell Scientific, Inc. All rights reserved.

'The following sensors are measured:

'

'CSAT3

three dimensional sonic anemometer

'The site attendant must load in several constants and calibration values. Search

'for the text string "unique" to find the locations where unique constants and

'calibration values are entered.

PipeLineMode

'*** Constants ***

'Measurement Rate

'10 Hz

Const SCAN_INTERVAL = 100

'100 mSec

'Output period

Const OUTPUT_INTERVAL = 30

'Online stats data output interval in minutes.

Const CSAT3_AZIMUTH = 0

'Unique value.

'Compass azimuth of the -x axis. For the figure below, CSAT3_AZIMUTH = 90.

'() -> Compass coordinate system

'{} -> Right handed coordinate system

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