Vaisala WMT700 - Manual (Page 44)

User's Guide ______________________________________________________________________
Measurement Methods
WMT700 measures wind speed and direction either continuously
or for the duration of the user-configurable averaging time. You
can select the measurement mode over the serial interface.
Continuous Measurement
You can set WMT700 to measure wind data continuously until
the sensor receives the STOP command.
The following data communication methods are available:
- Poll Mode: You can fetch the most recent data from WMT700
with the POLL command. You must specify the data message
identification number in the command.
- Automatic Messaging Mode: If the automatic message interval
is configured, WMT700 sends automatic data messages at
selected intervals. The data message is user-configurable.
For information on response delay and timing, see section Serial
Interface Timing on page 49.
Wind Measurement on Request
You can set WMT700 to measure wind speed and direction for a
specified period of time. The duration of the measurement can
range from 0.25 seconds to 60 minutes, depending on the
configured averaging interval.
You can fetch the required data message from WMT700 in
measurement mode with the polling command. You must specify
the data message in the command.
For information on response delay and timing, see section Serial
Interface Timing on page 49.
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