Vaisala WINDCAP WS425 User's Guide download pdf (Page 105)

Chapter 7 ________________________________________________________________ Operation

VAISALA ______________________________________________________________________ 103

POLL — Poll Data

This command fetches data from WMT700. You need to specify the data

message number in the polling command.

NOTE

When WMT700 is in low-power mode, it does not receive the first

character in the command. Thus, you must send an extra character

(space) before the polling command to receive data.

$aPOLL,y<CR><LF>

Where

$ = Fixed text.

a = WMT700 address. If the value is 0, it refers to any

WMT700 address.

y = Identification number for the data message format.

For a list of data message formats, see Table 23 on page

93.

Example:

In this example WMT700 data message 1 is polled from WMT700.

$0POLL,1<CR><LF>

SLEEP — Enter Low-Power Mode

This command switches WMT700 from normal operating mode to low-

power mode. For more information on the sleepTime parameter, see

Table 18 on page 82.

$aSLEEP<CR><LF>

where

$ = Fixed text.

a = WMT700 address. If the value is 0, it refers to any WMT700

address.

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Vaisala WINDCAP WS425 User's Guide Page 105