Vaisala WXT510 - Manual (Page 92)

User’s Guide ______________________________________________________________________
90 __________________________________________________________________ M210470EN-D
TXT Text Transmission
These short text messages and their interpretation are shown in Table 10
on page 120 .
The text transmission response format:
$WITXT,xx,xx,xx,c--c*hh
1. See Chapter 8, section Supervisor Message, Setting Fields for definitions
of the Heating voltage field.
Table 7 Transducer Table
Transducer Type Units Field Comments
Temperature C C = Celsius
F = Fahrenheit
Angular displacement
(wind direction) A D = degrees
Wind speed S K = km/h, M = m/s, N =
knots S = mph, non-
standardized
1
Pressure P B = bars, P = Pascal H = hPa, I = inHg,
M = mmHg
Humidity H P = Percent
Accumulated
precipitation V M = mm, I = in, H = hits non-standardized1
Time (duration) Z S = seconds non-standardized1
Intensity (flow rate) R M = mm/h, I = in/h, H =
hits/h for rainfall
M = hits/cm2h, I = hits/
in2h, H = hits/h for hails non-standardized1
Voltage U V = volts (also 50 %
duty cycle for heating) N = not in use, F = 50%
duty cycle for heating,
W = full power for
heating
1. Not specified in the NMEA 0183 Standard.
where
$
= Start of the message
WI = Talker identifier (WI = weather instrument)
TXT = Text transmission identifier.
xx = Total number of messages, 01 to 99
xx = Message number.