Vaisala WMT700 - Manual (Page 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.