Sutron
Corporation
SDI
‐
TB
Users
Manual
Rev.
1.1
5/24/2018
pg.
14
Command
Name
Command
Response
Notes
XCOMP
Read/write
compensati
on
polynomial
coefficients.
aXCOMP
!
or
<k3>+<k2>+<k1
>+<k0>
where:
k3,k2,k1,k0
are
coefficients
for
a
third
order
compensation
polynomial
Ex:
0XCOMP!
or
0.00000002
‐
0.0.0002+0.0092
a+<k3>+<k2>+<
k1>+<k0>
The
SDI
‐
TB
implements
a
3
rd
order
polynomial
to
compensate
for
heavy
rainfall
rates.
If
no
coefficients
are
provided,
each
tip
=
<
bucket_size
>.
The
polynomial
is
of
the
form
/
Where
=
inches
of
rain
per
hour.
XYA
Read/Write
Yearly
accumulatio
n.
aXYA!
or
aXYA+<
yearly_acc
>!
<
yearly_acc
>
=
New
accumulation
this
year
Ex:
0XYA
or
0XYA+2.1!
a+<
yearly_acc
>
Ex:
0+1.2
Command
to
read/write
the
total
accumulation
for
this
rain
year.
This
command
will
reset
the
daily
accumulation,
total
raw
tip
count,
accumulation
since
last
measurement
and
yesterday’s
accumulation.
