Campbell Scientific CSAT3 CSAT3 3-D Sonic Anemometer - Page 32

TABLE 10-7., Wiring for Program Example 1, Description, Color, CR3000, EXAMPLE 1., Measuring

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CSAT3 Three Dimensional Sonic Anemometer TABLE 10-7. Wiring for Program Example 1 Description SDM Data SDM Clock SDM Enable Digital Ground SDM Signal Shield Power Power Refernece Power Shield Color Green White Brown Black Clear Red Black Clear CR3000 SDM-C1 SDM-C2 SDM-C3 G G +12 Vdc G 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 Const SCAN_INTERVAL = 100 '10 Hz '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 24

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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 Refernece
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
24