Vaisala WXT520 Manuel d'utilisateur télécharger pdf (Page 15)

WXT520 Weather Transmitter

6.6.2 Edlog Programming

Our CR500, CR510, CR10(X), and CR23X dataloggers are programmed with

Edlog.

These dataloggers use Instruction 105 to read the WXT520. Your datalogger

manual has a detailed explanation of Instruction 105.

Please note that Edlog only allocates one input location for Instruction 105.

Additional input locations need to be inserted manually using the Input

Location Editor.

6.6.2.1 CR10X Program

The following example is the portion of a CR10X program that measures the

WXT520. A complete program will include output processing instructions.

; wind direction wind speed

; Get WXT520 Values 1 - 6 (Dn=Wd min, Dm=Wd avg, Dx=Wd max, Sn=Ws min, Sm=Ws avg, Sx=Ws max)

22: SDI-12 Recorder (P105) ;

1: 0 SDI-12 Address

2: 1 Start Measurement (aM1!) ; corresponds with Wind message Command R1

3: 2 Port ; control port for SDI-12 comms

4: 15 Loc [ Value1 ]

5: 1.0 Mult

6: 0.0 Offset

23: Excitation with Delay (P22)

1: 1 Ex Channel

2: 0 Delay W/Ex (0.01 sec units)

3: 50 Delay After Ex (0.01 sec units)

4: 0 mV Excitation

; Get WXT520 Values 7 - 9 (Ta= air temp, Ua= rel humidity, Pa= air pressure)

24: SDI-12 Recorder (P105)

1: 0 SDI-12 Address

2: 2 Start Measurement (aM2!) ; corresponds with Pressure Humidity and

3: 2 Port Temp Message Command R2

4: 21 Loc [ Value7 ]

5: 1.0 Multiplier

6: 0.0 Offset

25: Excitation with Delay (P22)

1: 1 Ex Channel

2: 0 Delay W/Ex (0.01 sec units)

3: 50 Delay After Ex (0.01 sec units)

4: 0 mV Excitation

; rain hail

; Get WXT520 Values 10 - 15 (Rc= amount, Rd= duration, Ri= intensity, Hc= amount, Hd= duration, Hi = intensity)

26: SDI-12 Recorder (P105)

1: 0 SDI-12 Address

2: 3 Start Measurement (aM3!) ; corresponds with Precip Message Command R3

3: 2 Port

4: 24 Loc [ Value10 ]

5: 1.0 Multiplier

6: 0.0 Offset

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 21 22

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Vaisala WXT520 Manuel d'utilisateur Page 15

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