Sutron
Corporation
SDI
‐
TB
Users
Manual
Rev.
1.1
5/24/2018
pg.
11
3.2
Extended
SDI
‐
12
commands
Command
Name
Command
Response
Notes
XDT
Read/Write
current
system
time
aXDT!
or
aXDT+yyyy/mm/dd
hh:mm:ss!
Ex:
0XDT+!
or
0XDT+2015/04/24
17:45:31
Sets
time
to
April
24,
2015
5:45.31
pm.
a+yyyy/mm/dd
hh:mm:ss
Ex:
0+2015/04/24
17:45:31
Command
to
set
the
system
time
on
the
SDI12
‐
TB
module.
This
will
be
used
to
perform
the
daily
and
Yearly
rainfall
resets.
If
the
XDT
command
is
issued
without
any
arguments
(eg.
aXDT!),
the
current
time
is
returned
without
modifying
the
existing
time.
Default
=
2012/01/01
00:00.0
hrs
XDR
Read/Write
daily
rainfall
reset
time
aXDR!
or
aXDR+hh:mm:ss!
Ex:
0XDR+!
or
0XDR+09:30:15
Reset
daily
rainfall
at
09:30.15
hrs
every
day.
a+hh:mm:ss
Ex:
0+09:30:15
Command
to
configure
the
daily
reset
time.
Default
=
00:00.0
hrs
XYR
Read/Write
Yearly
rainfall
reset
time
aXYR!
or
aXYR+mm/dd
hh:mm:ss!
Ex:
0XYR+!
or
0XYR+05/24
09:30:15
Reset
Yearly
rainfall
on
May
24
at
09:30.15
hrs
every
year.
a+mm/dd
hh:mm:ss
Ex:
0+05/24
09:30:15
Command
to
configure
the
yearly
reset
time.
Default
=
01/01
00:00.0
hrs