0r1,Sn=0.1M,Sm=0.1M,Sx=0.1MGOG<cr><lf>
0r2,Ta=22.7C,Ua=55.5P,Pa=1004.7H@Fn<cr><lf>
0r3,Rc=0.00M,Rd=0s,Ri=0.0MIlm<cr><lf>
0r5,Th=25.0C,Vh=10.6#,Vs=10.8V,Vr=3.369VO]T<cr><lf>
Stop the automatic output by changing the communication protocol to polled mode
(aXU,M=P). You can also use polling c
ommands aR1, aR2, aR3, and aR5 in ASCII
automatic protocol for requesting data.
7.2.12 Automatic Composite Data Message (aR0)
When automatic composite data messaging is selected, the transmitter sends composite
data mes
sages at user-configurable intervals. The message structure is the same as with the
composite data query command aR0 and contains a user-configurable set of wind,
pres
sure, temperature, humidity, precipitation, and supervisor data.
Example of the response (you can select the parameters included from the full parameter
set of the commands aR1, aR2, aR3, and aR5):
0R0,Dx=005D,Sx=2.8M,Ta=23.0C,Ua=30.0P,Pa=1028.2H,
Hd=0.00M,Rd=10s,Th=23.6C<cr><lf>
For selec
ting the parameter set in the response message, see 8.1 Sensor Configuration and
Data Mes
sage Formatting (page 117).
Automatic composite data messaging is a concurrent, not an alternate mode to either the
polled or automatic modes.
7.3 SDI-12 Protocol
There are two modes available for providing the functionality of the SDI-12 v1.3 standard.
T
he Na
tive SDI-12 profile (aXU,M=S) oers the lowest power consumption as it makes
measuremen
ts and outputs data only when requested. In this mode all the commands
presented in this chapter are available except those for the continuous measurement.
In the Continuous mode (aXU,M=R) measurements are made at user-configurable update
int
ervals. The data is outputted on request. In this mode all the commands presented in this
chapter are available.
In the Native SDI-12 mode (aXU,M=S) the transmitter is in idle state most of the time (power
consumption < 1 mW). More power is consumed only during the measurements and data
transmit requested by the host device.
WXT530 Series User Guide M211840EN-D
90
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