Campbell CS616 Manual de Instruções descarregar pdf (Página 15)

CS616 and CS625 Water Content Reflectometers

6.4.1.2 CS616 Sample CRBasic Program 2

The following CR1000 program uses the AM16/32-series multiplexer to

measure 48 CS616 probes connected in the 4x16 configuration. The program

also measures datalogger battery voltage and temperature.

Wiring for CRBasic Program Example 2

CR1000 AM16/32-series (4x16) CS616*

Control/Common

Sensor

Terminals

C4 RES Odd H CS616#1_Green

C5 CLK Odd L CS616#2_Green

12 V 12 V Gnd #1,2,3_Blk & Clear

Gnd Gnd Even H CS616#3_Green

1H COM Odd H Even L #1,2,3_Orange

1L COM Odd L

Gnd Gnd

2H COM Even H

C6 COM Even L

*Three sensors to each set of AM16/32 terminals.

CR1000 Program Example 2

'Declare Public and Dim Variables

Public batt_volt

Public Panel_temp

Public Period (48)

Public VWC (48)

Public Flag (1)

Dim I

'Declare Constants

'CS616 Default Calibration Constants

const a0= -0.0663

const a1= -0.0063

const a2= 0.0007

'Flag logic constants

const high = true

const low = false

'Define Data Tables

DataTable (Dat30min,1,-1)

DataInterval (0,30,Min,10)

Minimum (1,batt_volt,FP2,0,False)

Average (1,Panel_temp,FP2,0)

Sample (48,Period(),FP2)

Sample (48,VWC(),FP2)

EndTable

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 49 50

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