Table 11, and – Vaisala WS425 User Manual
Page 45

Chapter 4 ________________________________________________________________ Operation
VAISALA _______________________________________________________________________ 45
In NMEA Extended Message, the polling can be done using the
following command:
$WIP
where
$WIP =
Fixed
text
=
Is the data ID; A … Z
Q =
Fixed
text
* =
Fixed
text
=
Checksum (8-bit XOR, excluding $ and *)
=
Carriage return code, ASCII 0DH
=
Line feed code, ASCII 0AH
Table 11
Checksum Table
ID Character
Checksum
A 72 $WIPAQ,*72
B 71 $WIPBQ,*71
C 70 $WIPCQ,*70
D 77 $WIPDQ,*77
E 76 $WIPEQ,*76
F 75
$WIPFQ,*75
G 74 $WIPGQ,*74
H 7B
$WIPHQ,*7B
I 7A
$WIPIQ,*7A
J 79
$WIPJQ,*79
K 78 $WIPKQ,*78
L 7F
$WIPLQ,*7F
M 7E $WIPMQ,*7E
N 7D
$WIPNQ,*7D
O 7C
$WIPOQ,*7C
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.