Vaisala WXT530 Series - XDR Transducer Measurement Query

7.3.7 Start Concurrent Measurement (aC)
Use this command when there are several devices on the same bus and simultaneous
measuremen
ts are needed from the devices, or if more than 9 measurement parameters are
requested from a single device.
The measured data is not sent automatically. You must request it with the Send data
command aD.
Command format:
aCx!
a
Device address
C
Start concurrent measurement command
x
The desired measurement
1 = Wind
2 = Temperature, humidity, and pressure
3 = Precipitation
4 = Analog input
5 = Supervisor
If x is left out, the query refers to combined data message in which the user can
reques
t data from several sensors with just one command. See the following
example.
!
Command terminator
Response:
atttnn<cr><lf>
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
For information on changing the message parameters, units and other settings, see 8.1
Sensor Configuration
and Data Message Formatting (page 117).
WXT530 Series User Guide M211840EN-D
96
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