700-SDI-RADAR-300WL-Man Rev 2 11 Apr Mar 2022
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Part# 21371
4.2.7
X COMMANDS
In addition to the standard set of commands the SDI-RADAR-LX-80 has an extension of custom SDI
commands called X commands that access specific features of the sensor.
The format of X commands follows the requirement for standard SDI commands in that the first
character of every command must be a sensor address which is then followed by the X command
and terminated by an exclamation mark. Likewise, the first character of a response is also the
address character.
Set commands should normally be followed by a get command to verify the parameter set was
successful. Set commands are highlighted in blue.
In order for X commands to be valid, the following format conditions must be met:
1)
The X and other mandatory characters must be capitalized as shown in the table
2)
Do not place spaces within the command
3)
Replace the “a” with the sensor address
X COMMAND DEFINITION
RESPONSE AND DETAILS
aXGWUN!
Get velocity/
discharge unit
Response: a+d
In which “d’ is the measurement unit for velocity
0 – mm/s
1 – m/s
2 – mph
3 – km/h
4 – fps
5 – fpm
d!
Set velocity/
discharge unit
Replace “d” with desired measurement unit code (see codes
above in Get Velocity Discharge Unit details)
Response: a+d
aXGWAV!
Get velocity
average factor
Response: a+d
In which “d’ is the averaging velocity length (range 1-512)
d!
Set velocity
average factor
Replace “d’ with the desired velocity length (range 1-512)
Response: a+d
aXGDFT!
Get direction filter
factor
Response: a+d
In which “d’ is the direction filter for velocity
0 – both
1 – incoming
2 – outgoing
d!
Set direction filter
factor
Replace “d” with desired direction filter code (see codes above
in Get Direction Filter factor details)
Response: a+d
aXGSENS!
Get velocity
sensitivity factor
Response: a+d
In which “d’ is the sensitivity level for velocity. Range 1-100
d!
Set velocity
sensitivity factor
Replace “d” with desired sensitivity level factor (range 1-100)
Response: a+d
