Precision Digital PD865 - Manual (Page 71)

PD8
6
5
Snoop
e
r Modbus
Se
ria
l In
put Me
te
r
Ins
truc
tion M
a
nua
l: Re
gis
te
r Ta
ble
71
Regist
er
1
Name
A
c
c
ess
Limit
s
or
Range
2
Data
Ty
p
e
3
Func
tio
n
Code
(s)
Com
m
en
ts
Num
b
er
A
d
d
res
s
(hex
)
400
10
9
(0009)
Lock
R
ead
Wr
it
e
0x0
000
t
o
0x9
999
Int
e
ger
(Pack
ed
BCD)
03, 04, 06,
16
See not
e
4.
400
11
10
(000
A
)
Mode
sele
c
ti
on
R
ead
Wr
it
e
Not
applic
able
Wo
rd
;
bi
t fl
a
g
s
03, 04, 06,
16
This regi
ster c
a
n be
read or
w
ritten in Sl
av
e mode only
. The mo
de
can be
changed from
Slav
e to Master or S
nooper. Se
e Tabl
e 6
.
400
12
11
(000B
)
Da
ta
T
y
pe
R
ead
Wr
it
e
Not
applic
able
Wo
rd
;
bi
t fl
a
g
s
03, 04, 06,
16
Thi
s
Re
gi
s
ter i
s
re
se
rv
e
d
for f
u
ture
us
e
. R
e
a
d
ing re
turns 0
x
ffff a
nd
w
rit
ing t
o
it
has no
ef
fe
ct
.
400
13
12
(000C
)
Dis
p
la
y
D
ecimal Point
R
ead
Wr
it
e
0
to 5
In
te
ge
r
03, 04, 06,
16
See B
it
A
s
signment
Table 1
.
400
14
13
(000D
)
Transf
er
Function
R
ead
Wr
it
e
0
to 2
In
te
ge
r
03, 04, 06,
16
See Bit
A
s
signment Table 2
. S
e
le
cting Sq
uare Root or Expon
e
n
t
fo
rces R
e
gi
st
er
400
1
5
(
number of
point
s)
t
o
be 2.
400
15
14
(000E)
Numbe
r of
Point
s
R
ead
Wr
it
e
2 t
o
16
Int
e
ger
03, 04, 06,
16
Number of sca
ling po
ints. This
cannot
be
c
h
anged if the Tran
sfe
r
Function is s
e
t to Sq
uare
Root or Expon
e
n
t.
400
16 –
400
17
15 –
16
(000F –
001
0)
Exponent
R
ead
Wr
it
e
0.5 t
o
2.99
99
9
Long
03,
04,
16
If Square Root is
se
le
cted, this v
a
lue is
ign
o
red.
400
18
17
(0011)
B
y
te
-to
-
by
te
timeout
R
ead
Wr
it
e
0
to 2
.54
In
te
ge
r
03, 04, 06,
16
This is the
timeout b
e
tw
een by
tes of a Modbus frame.
It is
aut
o
mat
ical
ly
changed t
o
1.5 *
char
act
er t
ime
w
h
en t
h
e
baud ra
te
is ch
anged.