Lufft WS700-UBM - Page 131

Operating Instructions Smart Weather Sensor
G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany 131
19.8.3 Message Format for Measurement Data XDR
The message format for P9 / PP measurement data follows the definition for NMEA WI
(weather instrument) XDR messages.
The message is field oriented, with variable length. The fields are separated by ','.
Message format:
$hhhhh,P,x.xxxx,B,0,C,yy.y,C,0,H,zz.z,P,0<CR><LF>
$hhhhh Message header, default $WIXDR (WI : Talker identifier “weather
instruments”, XDR: sentence identifier “transducer measurements”) *)
, separator
P transducer type “pressure”
, separator
x.xxxx air pressure value in Bar
, separator
B unit: bars (= hPa)
, separator
0 Transducer ID, set to 0
, separator
C transducer type temperature
, separator
yy.y temperature in °C
, separator
C unit: °C
, separator
0 Transducer ID, set to 0
, separator
H transducer type humidity
zz.z relative humiditiy in %
, separator
P unit: %
, separator
0 Transducer ID, set to 0
<CR><LF> sentence terminator
*) The message header can be modified. The UMB config tool allows modifying the talker ID
bytes. The XDR setting command NH allows changing the complete message header. The
leading '$' is fixed and can not be modified.