Section 7
Parameter Settings
55
FT742-SM (RS422 & RS485) Sensors
– User Manual
7.4.12 FL.1: Set or Query General Filter Settings
Command
Parameter
FL (enable/ disable)
Command
Syntax
SET Sensor:
$<listenerID>,FL<filter>*<checksum><cr><lf>
$aa,FLc*hh<cr><lf>
QUERY Sensor:
$<listenerID>,FL?*<checksum><cr><lf>
$aa,FL?*hh<cr><lf>
Sensor output:
$<talkerID>,FL=<filter>*<checksum><cr><lf>
$aa,FL=c*hh<cr><lf>
Parameters
<filter>
E
Filter enabled (Factory Default Setting)
D
Filter disabled
Examples
Example 1
Enable the filter. Verify that the command has been accepted.
Message
Comment
$01,FLE*//<cr><lf>
Enable filtering
$01,FL?*//<cr><lf>
Query filter setting
$WI,FL=E*40<cr><lf>
Sensor response
Example 2
Disable the filter. Verify that the command has been accepted.
Message
Comment
$01,FLD*//<cr><lf>
Disable filtering
$01,FL?*//<cr><lf>
Query filter setting
$WI,FL=D*41<cr><lf>
Sensor response
Description
Use the FL command to enable or disable moving average filtering of the wind speed and
wind direction readings (see Section 2.3).
