Chapter 4 ________________________________________________________________ Operation
VAISALA _______________________________________________________________________ 45
In NMEA Extended Message, the polling can be done using the
following command:
$WIP<id>Q,*<chk><cr><lf>
where
$WIP = Fixed text
<id> = Is the data ID; A … Z
Q = Fixed text
* = Fixed text
<chk> = Checksum (8-bit XOR, excluding $ and *)
<cr> = Carriage return code, ASCII 0DH
<lf> = Line feed code, ASCII 0AH
Table 11 Checksum Table
ID Character
<id>
Checksum <chk> Polling String
A 72 $WIPAQ,*72<cr><lf>
B 71 $WIPBQ,*71<cr><lf>
C 70 $WIPCQ,*70<cr><lf>
D 77 $WIPDQ,*77<cr><lf>
E 76 $WIPEQ,*76<cr><lf>
F 75 $WIPFQ,*75<cr><lf>
G 74 $WIPGQ,*74<cr><lf>
H 7B $WIPHQ,*7B<cr><lf>
I 7A $WIPIQ,*7A<cr><lf>
J 79 $WIPJQ,*79<cr><lf>
K 78 $WIPKQ,*78<cr><lf>
L 7F $WIPLQ,*7F<cr><lf>
M 7E $WIPMQ,*7E<cr><lf>
N 7D $WIPNQ,*7D<cr><lf>
O 7C $WIPOQ,*7C<cr><lf>
NOTE
When using the sensor in the NMEA Extended mode, you can either
set the output interval to zero (parameter 5 in the configuration menu)
to enable polling or use some fixed output interval.
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