Table 8-2: SDI-12 extended commands
SDI-12
command
1
Values returned or function
Comments
a
XWARA!
Resets the total adjusted rain
accumulator to 0.00.
Typically this command is
issued on the start of the
water year, which is
normally October 1 or
January 1.
a
XWA+
xx.xx
!
Where
xx.xx
= current rain
value
Resets the total adjusted rain to a
current value and returns the number
of values.
Follow this command with the
a
D0!
command to get the new adjusted
rain.
Used when replacing the
RainVUE-series midway
through a water year.
a
XRESET!
Resets all accumulators
a
XWTILT!
Zero
tilt
sensor
(XWTILT
status.
Returns
a
status
flag
indicating
the
success
of
the
leve
l
ling
process.
s = 0 Success
s = 1 Error (cannot zero the sensor)
Mechanically balance the
sensor, then issue this
command.
a
XRTILT!
Reads the tilt angle (degrees) of
the tilt sensor.
When this command is
issued right after the sensor
is zeroed, it should return
0.00 degrees. This
command verifies the
RainVUE-series is level.
RainVUE-Series SDI-12 Precipitation Sensors
15
