User's Guide _______________________________________________________________________
42 ___________________________________________________________________ M210470EN-B
In every case the response contains a three character CRC before the
<cr><lf>.
For selecting the parameters to be included in the response messages,
changing the units and making other configurations of the measured
parameters, see Chapter 8,
Sensor and data message settings
.
NOTE
The correct CRC for each command can be asked by typing a
command with a random three 3-character CRC.
Example of asking the CRC for the wind data message query ar1:
Command format:
ar1xxx<cr><lf>
where
a
=
Device address
r1
=
Wind message query command
xxx
=
Arbitrary three character CRC.
<cr><lf>
=
Command terminator
Response:
atX,Use chksum GoeIU~<cr><lf>
where
a
=Device address
tX,Use chekcum =Text prompt
Goe
=Correct three character CRC for the ar1 command
IU~
=three character CRC for the response message
<cr><lf>
=Response terminator
ASCII protocol, automatic
When ASCII, automatic protocol is selected the transmitter sends data
messages at user configurable update intervals. The message as with
data query commands aR1, aR2, aR3 and aR5. You can choose an
individual update interval for each sensor, see Chapter 8, sections
Changing the settings.
