Xylem H-340SDI - Manual (Page 28)

2-14 SDI-12 Command and Response Protocol
H-340SDI
Example of a H340SDI extended "Set Time" command:
Command Response Time Values Description
------------- --------------------- ------- -------- -------------------------------
"aXST234537" "a0011<cr><lf>" 1 sec 1 Set time of day to 23:45:37
Subsequent Command Response
--------------------------- ------------------------------------
"aD0" a+23+45+37<cr><lf>
Example of a H340SDI extended "Get Daily Reset Time" command:
Command Response Time Values Description
------------- --------------------- ------- -------- -------------------------------
"aXGDRT!" "a0013<cr><lf>" 1 sec 3 Get daily reset time
Subsequent Command Response
--------------------------- ------------------------------------
"aD0" a+HH+MM+SS<cr><lf>
Where:
HH = Hours (24 hour format)
MM = Minutes
SS = Seconds
2.16 Extended “Get Daily Reset Time” Command
The H-340SDI automatically resets the daily accumulations a certain time each day. For example,
one day may be calculated from 6:00 AM of one day to 6:00 AM of the next day. This command
reads the time of day at which the reset is scheduled.
Command Response Description
------------- ------------------------- -----------------------------
"aXGDRT!" "a0013<cr><lf>" Read daily reset time
Where:
a is the sensor address ("0-9", "A-Z", "a-z", "*", "?").
XGDRT are upper case characters
This command takes 001 seconds to complete and places 3 values in the data buffer. Use the “aD0"
command to collect and view the data.