Chapter 7 ___________________________________________________ Retrieving Data Messages
VAISALA______________________________________________________________________ 123
The structure of the supervisor response message:
R = Transducer id 1 type (Hail intensity)
0.0 = Transducer id 1 data (Hail intensity)
M=
Transducer id 1 units (hits/cm
2
h, Hail intensity)
1 = Transducer id for Hail intensity
R = Transducer id 1 type (Rain peak intensity)
6.3 = Transducer id 1 data (Rain peak intensity)
M = Transducer id 1 units (mm/h, Rain peak intensity)
2 = Transducer id for Rain peak intensity
R = Transducer id 1 type (Hail peak intensity)
0.0 = Transducer id 1 data (Hail peak intensity)
M=
Transducer id 1 units (hits/cm
2
, Hail peak intensity)
3 = Transducer id for Hail peak intensity
* Checksum delimiter
51 = Two-character checksum for the response
<cr><lf> = Response terminator
where
$ = Start of the message
WI = Device type (WI = weather instrument)
XDR = Transducer measurement response identifier
C = Transducer id 2 type (temperature), see the following
Transducer table
20.4 = Transducer id 2 data (Heating temperature)
C = Transducer id 2 units (C, Heating temperature)
2 = Transducer id for Heating temperature
U = Transducer id 0 type (voltage)
12.0 = Transducer id 0 data (Heating voltage)
M = Transducer id 0 units (N = heating disabled or
heating temperature too high
1
, Heating voltage)
0 = Transducer id for Heating voltage
U = Transducer id 1 type (Supply voltage)