Vaisala WMT700 - Manual (Page 52)

TECHNICAL REFERENCE___________________________________________________________
50 __________________________________________________________________ M211097EN-C
Table 14 Configurable Parameters for WS425 A/B NMEA
Standard Profile
Parameter Default
Value
Profile-specific
Allowed Values Description
address 1 String with 1 character
Address for WMT700.
autoInt 1 0.25 ... 1000
Resolution: 0.25 Automatic message interval in
seconds.
Do not select a message interval that
is shorter than the time it takes to
send a data message.
autoPort 1 1 = COM1 port
2 = COM2 port Serial port to which WMT700 sends
automatic data messages.
autoSend 0 19 = NMEA automatic
data message Automatic data message number.
Selects the data message format for
automatic messages.
com1_protocol
com2_protocol
(depending on the port
used for operating
WMT700) 0 4 = WS425 A/B NMEA
Standard Profile for serial ports COM1 and
COM2.
wndAvg 1 0.25 … 3600
Resolution: 0.25 Averaging time for wind
measurement in seconds.
wndOrientation 0 0 = array facing up
1 = array facing down Orientation of the array of WMT700.
wndUnit 0 0 = meters per second
1 = miles per hour
2 = kilometers per hour
3 = knots
Wind speed unit.
wndVector 1 0 = scalar averaging
Wind averaging method.
To start continuous measurement, use the START command. You can
stop the measurement with the STOP command. For instructions, refer to
Vaisala WINDCAP
® Ultrasonic Wind Sensor Series WMT700 User's
Guide.
WS425 A/B NMEA Standard Data
Message
The standard variable length, comma-separated, MWV wind message is
defined by NMEA 0183 V2.20 as follows:
$WIMWV,<dir>,<ref>,<spd>,<uni>,<sta>*<chk><CR><LF>
where
$WIMWV = Fixed text
<dir>
= Wind angle: 0 to 359 degrees