For using Continuous measurement commands for all WXT530 series parameters (wind,
PTU
, precipitation, and supervisor) the select the respective protocol (aXU,M=R).
The M=S selection requires use of aM, aMC, aC, aCC, and aD commands, only the
precipitation data can be retrieved continuously (using aR3 command).
Command format:
aRx!
a
Device address
R
Start continuous measurement command:
x
The desired sensor to make the measurement:
1 = Wind
2 = Temperature, humidity, pressure
3 = Precipitation
5 = Supervisor
If x is left out, the query refers to the combined data message used for requesting
data fr
om several sensors with just one command.
!
Command terminator
Response:
a+<data fields><cr><lf>
a
Device address
<data fields>
The measured parameters in selected units, separated with '+' marks (or '-' marks
in case of negativ
e parameter values). The maximum number of parameters to be
measured with one request is 15.
<cr><lf>
Response terminator
Examples (device address 0):
Chapter 7 – Retrieving Data Messages
101
sales@streamlinemeasurement.co.uk
www.streamlinemeasurement.co.uk
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