Wind transmitters – Vaisala Hydromet Data Collection Platform User Manual
Page 126

User's Guide ______________________________________________________________________
124 _________________________________________________________________ M210933EN-C
Menu selections for interface configuration are as follows:
The available data is as follows:
Wind Transmitters
The WT500 series wind transmitter can be used to interface with
different types of wind sensors, and optionally with the humidity probe
HMP45 for temperature and humidity measurement.
The default communication parameters are as follows:
Operation
Menu Selection
Description
Set format
Operation Mode ->
Handar RS-232
Select correct output mode.
Set units
Wind speed units ->
Meters/second
By default, QML logger
assumes wind calculation
speed input to be in meters/
second.
Set polled
Output Interval -> 0
Disables automatic
transmission.
Store param
Save Configuration
Store modified parameters
permanently.
NOTE
The QML logger interface for the ultrasonic wind sensor WS425
currently supports only the Handar RS-232 mode.
Lizard Variable
Description
type
Message type, always 'W'
avg_time
Averaging time [s]
dev_stat
Device self test status
WD
Wind direction in [deg]
WS
Wind speed [m/s]
unit
Speed unit, always 'T' with QML logger
sum
Eight-bit sum for message, presented in hex ASCII
Parameter
Value
Speed
1200 bps
Parity
none
Data bits
8
Stop bits
1
Handshake
none
RS-485 mode
4-wire