Xylem XL Series H-522 - Plus - Manual (Page 119)

XL™ Series
SDI-12 Operations 14-3
PC Interface View Built In Display Screen
I - Identify Send Id Cmd?
This command sends the address followed by “I!” which is the standard SDI-12 identify
command. The normal response is the sensor address followed by general information about the
sensor, such as version number, manufacture, etc. The response is generally longer that what
will fit on the built in display so it may scroll across the screen. If an error occurs, an error
message will be displayed. Refer to the sensor manufacturer for proper response to the Identify
Command.
PC Interface View Built In Display Screen
V - Verify Send Verify Cmd?
This command sends the address followed by “V!” which is the standard SDI-12 verify
command. The normal response is sensor specific information such as a memory test result. If an
error occurs, the XL™ will respond with an error message. Refer to the sensor manufacturer for
proper response to the Verify Command.
PC Interface View Built In Display Screen
M - Measure Send Measure Cmd?
This command sends the address followed by “M!” which is the standard SDI-12 measure
command. If an error occurs, the XL™ will respond with an error message. The response to this
command is the time required to make the measurement and the number of values that will be
returned by the sensor. See the sensor manufactures documentation for a description of the
actual response for each sensor.
PC Interface View Built In Display Screen
D - Retrieve Data Send Data 0 Cmd?
This command sends the address followed by “D0!” which is the standard SDI-12 data retrieval
command. The command is used to retrieve data from the sensor following a measurement
command or other command the may take longer than a second to complete. Executing this
command prior to a completed sensor measurement will abort the measurement. If an error
occurs, the XL™ will respond with an error message. Refer to the sensor manufacturer for
proper response to the Data 0 Command.