Vaisala WXT520 Guide de l'utilisateur télécharger pdf (Page 88)

User’s Guide ______________________________________________________________________

86 __________________________________________________________________ M210906EN-C

Command format: aCx!

The response:

atttnn<cr><lf>

Start Concurrent Measurement with

CRC (aCC)

Command format: aCCx!

This command has the same function as aC but a three-character CRC

is added to the response data strings before <cr><lf>.

where

a = Device address

C = Start concurrent measurement command

x = The desired measurement

1 = Wind

2 = Temperature, humidity and pressure

3 = Precipitation

5 = Supervisor

If x is left out, the query refers to combined data

message in which the user can request data from

several sensors with just one command. See the

examples below.

! = Command terminator

where

a = Device address

ttt = The measurement completing time in seconds

nn = The number of the measured parameters available

(maximum number is 20)

<cr><lf> = Response terminator

NOTE

For changing the message parameters, units and other settings, see

Chapter 8, Sensor and Data Message Settings, on page 107.

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Vaisala WXT520 Guide de l'utilisateur Page 88