Vaisala WINDCAP WS425 Betriebsanweisung PDF herunterladen (Seite 139)

Chapter 5 _________________________________________________________________ Operation

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 the low

-power mode, it does not receive the first

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

(space) be

fore the polling command to receive data.

$aPOLL,y<CR><LF>

Where

Fixed text

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

WMT700 address

Identification number for the data message format.

For a list of data message formats, see

Table 40 on page

128

Example:

In this example WMT700 custom data message 1 is polled from

WMT700.

$0POLL,1<CR><LF>

SLEEP — Enter Low-Power Mode

This command switches WMT700 from the normal operating

mode to the low-power mode. WMT700 will resume normal

operation after sleep period determined by the sleepTime

parameter has elapsed, or when a character is received on data

port COM2. For more information on the sleepTime parameter,

see Appendix D, Configuration Parameters, on page 205.

$aSLEEP<CR><LF>

where

Fixed text

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

address

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Vaisala WINDCAP WS425 Betriebsanweisung Seite 139