Vaisala WINDCAP WS425 Betriebsanweisung PDF herunterladen (Seite 70)

TECHNICAL REFERENCE___________________________________________________________

68 __________________________________________________________________ M211097EN-C

aM! — Start Measurement

This command starts measurement. WMT700 does not return

measurement data after this command. It sends a response that indicates

when the measurement result can be retrieved using the aD0! command

and the number of parameters.

aM!

where

a = The single-digit WMT700 address that corresponds to

the first character of the address value.

M = The start measurement command.

! = Terminates the command.

The response is the following:

atttn<CR><LF>

where

a = The single-digit WMT700 address that corresponds to

the first character of the address value.

ttt = The period of time, in seconds, after which WMT700

has the measurement ready.

n = The number of measurement values WMT700

calculates and returns as a response to one or more

subsequent aD0! commands.

<CR><LF> = Terminates the response.

Example of the command and response:

1M!

10025<CR><LF>

Interpretation of the example message:

- Time after which the measurement is ready: 2 second

- Number of returned measurement values: 5

To fetch the measurement results, use the aD0! command.

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Vaisala WINDCAP WS425 Betriebsanweisung Seite 70