Design Analysis H-522 - Read User Units Offset Command

14-28 SDI-12 Operations XL™ Series
Example of a "User Units Offset" command:
Command Response Time Values Description
--------------- ---------------------- ------ --------- -----------------------------
"aXRO!" "a0021<cr><lf>" 2 sec 1 Load sensor buffer with the User
Units Offset coefficient
Subsequent Command Response
--------------------------- ---------------------------
"aD0" a+xxx.xxx<cr><lf>
Key Description
------------- ---------------------
xxx.xxx User Units Offset
14.7.13 Read "User Units Offset" Command
The Read User Units Offset command reads the "User Units Offset" coefficient term. The value
is read from non-volatile EEPROM within the sensor and loaded into the sensor data
buffer. It can be viewed by issuing a "D" command.
Command Response Description
------------- ------------------------- ---------------------------
"aXRO!" "atttn<cr><lf>" Load sensor buffer with User Units Offset
Where:
a Is the sensor address ("0" to "9", "A" to "Z", or "*").
XRO Are upper-case ASCII characters.
ttt Is a three digit integer (000-999) specifying the maximum time, in seconds, the
sensor will take to complete the command and have data available in its buffer.
n Is a single digit integer (0-9) specifying the number of values that will be placed in
the data buffer.