Vaisala WINDCAP WMT700 Series User Manual

Parameter Default
Value
Profile-Specific Allowed
Values
Description
wndUnit
0
1)
0 = Meters per second
1 = Miles per hour
2 = Kilometers per hour
3 = Knots
Wind speed unit
wndVector
0 0 = Scalar averaging Wind averaging method
1) COM1 service port is always by default 0 - WMT700 protocol. You can change this using serial commands if COM1 is needed
for protocol-specific communication.
1)
2) Wind speed unit and COM2 digital communication interface are defined in the order form. Default setting may be any of the
allowed options , and it can be verified from the unit's configuration code.
2)
To start continuous measurement, use the START command. You can stop the measurement
with the STOP command.
E.2 WMT700 NMEA MWV Commands
This command polls data from WMT700 when the WMT700 NMEA MWV protocol is
selected.
$--<id>Q,MWV*<chk><CR><LF>
$
Message header
-- Two-character talker ID of the polling unit
<id> Two -character WMT700 sensor ID; AA … ZZ
Q Query command
, Field delimiter
MWV Sentence formatter
*<chk> Checksum field(8-bit XOR, excluding $ and *)
<CR> Carriage return code, ASCII 0DH
<LF> Line feed code, ASCII 0AH
To use WMT700 with the WMT700 NMEA MWV profile, either set the autoSend
parameter to 0 to enable polling or define a fixed output interval with the autoInt
parameter. If you are using automatic messages, the value for the autoSend parameter
must be set to 20.
WMT700 User Guide M211095EN-H
194

Vaisala WINDCAP WMT700 Series Specifications

General

Measurement Principle	Ultrasonic
Protection Class	IP66
Product Type	Wind Sensor
Wind Speed Range	0 to 60 m/s
Wind Direction Range	0 to 360°
Humidity Range	0 to 100% RH
Communication Protocol	SDI-12
Heating	Optional