Vaisala WXT520 Guia do Utilizador descarregar pdf (Página 115)

Chapter 8 ____________________________________________ Sensor and Data Message Settings

VAISALA______________________________________________________________________ 113

Pressure, Temperature, and Humidity Sensors

Checking the Settings (aTU)

With this command you can check the current pressure, temperature and

humidity sensor settings.

Command format in ASCII and NMEA 0183: aTU<cr><lf>

Command format in SDI-12: aXTU!

The response in ASCII and NMEA 0183:

aTU,R=[R],I=[I],P=[P],H=[H]<cr><lf>

The response in SDI-12:

aXTU,R=[R],I=[I],P=[P],H=[H]<cr><lf>

where [R][I][P][H] are the setting fields, see the following section.

Example (ASCII and NMEA 0183, device address 0):

0TU<cr><lf>

0TU,R=11010000&11010000,I=60,P=H,T=C<cr><lf>

Example (SDI-12, device address 0):

0XTU!0XTU,R=11010000&11010000,I=60,P=H,T=C<cr><lf>

where

a = Device address

TU = Pressure, temperature and humidity sensor settings

command in ASCII and NMEA 0183

XTU = Pressure, temperature and humidity sensor settings

command in SDI-12

<cr><lf> = Command terminator in ASCII and NMEA 0183

! = Command terminator in SDI-12

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Vaisala WXT520 Guia do Utilizador Página 115