Dynasonics D300_301 Series Doppler Ultrasonic Flow Meter - Manual (Page 18)

Rev. 2/00 -3.4- 300/301
Fig
u
re
2.
2 D
3
01
/30
0
O
p
er
ate
d
wit
h 1
15/
230
V
A
C
P
o
wer
S
u
p
p
ly
02/
02/
2000
R
110 [
D
A
M
P
]
C
o
nt
ro
l
A
d
ju
s
t R
1
1
0
[D
A
M
P
] to
s
ta
b
iliz
e
fl
o
w
ra
te
a
n
d
out
pu
t
re
adi
ng
s.
A
d
ju
s
t C
C
W
t
o
i
n
c
re
a
se
t
h
e
re
sponse
of
t
h
e
i
n
s
tr
u
m
e
n
t;
a
d
ju
st
C
W
t
o
de
-
cr
e
a
se
r
e
sponse
t
im
e
(
s
m
o
o
th t
h
e
d
isp
la
y
re
adi
ngs
and
ou
tp
u
ts)
.
C
T
R
O
u
tp
u
t C
onne
ct
ions
The
C
T
R
out
put
i
s
de
s
igne
d t
o
ope
ra
te
bot
h
el
ec
tr
o
n
ic
a
n
d
el
ec
tr
om
ec
h
a
n
ic
al
t
o
ta
li
z
er
s
.
The
out
pu
t
can
dr
iv
e
l
oads
as
l
o
w
as
90
o
h
m
s
.
C
o
n
tr
o
l R
9
0
[C
T
R
] a
d
ju
s
ts
th
e
s
p
a
n
o
f
th
is
o
u
tp
u
t.
S
w
it
c
h
s
e
t S
W
1
c
o
n
tr
o
ls
th
e
C
T
R
o
u
tp
u
t by
f
a
ct
or
s
o
f X
1
0.
S
ee d
e
ta
il
s
i
n
t
h
e
m
anua
l de
scr
ib
ing C
T
R
ad
ju
s
tm
e
nt
.
Is
ol
at
e
d
4-
20m
A O
u
tp
ut
C
o
n
n
e
c
tions
The
re
a
re
t
w
o m
e
thods
t
o
co
n
n
e
c
t t
h
is
out
p
u
t:
•
W
h
e
n
t
h
e
D
3
00/
D3
01 i
s
powe
re
d
f
rom
AC
po
we
r s
our
ce
s
, 24
Vd
c
of
is
o
la
te
d
powe
r
is
av
ai
la
b
le a
t
th
e
4-
20
m
A
+ t
e
rm
inal
. S
im
-
pl
y conne
ct
ing t
h
e
t
a
rg
e
t’
s
(
c
ha
rt
r
e
cor
d
e
r,
da
ta
l
ogge
r,
AD
C)
4-
2
0
m
A
+ a
nd
4-
2
0
m
A
–
input
s
t
o
t
h
e
s
e
t
w
o out
put
t
e
rm
in
a
ls
w
ill
dr
iv
e 4-
20m
A t
h
ro
u
gh
10
0
0
o
h
m
s
.
•
If
th
e
ta
rg
e
t’s
i
n
te
rn
a
l D
C
p
o
w
e
r s
o
u
rc
e
is
u
tili
z
e
d
to
p
o
w
e
r th
e
4
-2
0
m
A
lo
o
p
, C
o
n
-
n
e
c
t th
e
I
S
O
G
N
D
te
rm
in
a
l to
th
e
ta
rg
e
t’s
g
rou
nd
an
d
t
h
e t
a
rg
et
’s
4
-2
0
m
A
in
pu
t t
o
th
e
4-
20
m
A
– t
e
rm
in
a
l.
C
o
n
tro
l R
1
0
0
[4
m
A
] i
s
u
s
e
d
to
a
d
ju
s
t 4
m
A
o
ff-
s
e
t a
n
d
R
5
0
[
2
0
m
A
] to
a
d
ju
s
t 2
0
m
A
s
p
a
n
.
Fl
o
w
Rate R
e
la
y
Co
nnect
io
n
s
Th
e
D300/D
301
is
e
q
u
ipped
wit
h
a f
lo
w
rate
contro
l re
la
y
.
Th
e re
la
y
i
s
des
ig
n
ed to
co
n
tro
l
lo
a
d
s to 250
Vac a
nd 10
A
.
The re
la
y
act
iv
a
tes
w
h
en
th
e
fl
ow
r
a
te
i
s
l
e
s
s
th
an
th
e
s
e
t
p
o
in
t.
A
c
ti
v
a
ti
on
i
s
i
n
di
c
a
te
d
by
D
2
3 [
L
E
D
].
T
h
e
r
e
la
y
s
e
tp
o
int
is
c
o
nt
ro
lle
d
b
y
a
d
jus
ti
ng
R
7
0
[
A
L
M
]
th
er
e
is
a
lso
a a
larm
de
la
y
fe
at
u
re t
h
at
req
u
ir
es
th
e
a
larm
co
n
d
it
io
n
t
o
be pres
e
n
t for a
per
iod
of
ti
m
e
before r
e
la
y
act
ivat
io
n
.
The de
la
y ca
n
be
in
cr
eased b
y
adj
u
s
ti
ng R80 [
D
EL
AY
]
CW
.
P
o
w
e
r S
uppl
y J
u
m
p
e
r P
lace
m
e
n
t
115 V
a
c
J
2
a
n
d
J
3
o
n
ly
230 V
a
c
J4 on
ly
1
2
-2
4
V
d
c
D
o
e
s
n
o
t
m
a
tt
e
r
Fus
e
115/
230
V
a
c
1/
16A
3A
G
D
e
la
y
A
c
tio
n
A
C
P
o
w
e
r C
onne
ct
ions
115/
230
V
a
c
50
/6
0
H
z
cl
e
an A
C
pow
e
r
re
-
qui
re
d.
D
o
no
t conne
ct
i
n
p
a
ra
lle
l w
it
h
c
ir
c
ui
ts
ope
ra
ti
ng f
lor
e
sce
nt
l
ight
in
g
,
va
lv
e
s
,
con
tr
o
l
re
la
ys
, V
F
D
s
, e
tc.
G
N
D
conne
ct
io
n
i
s
o
p
-
ti
o
nal
.
If
G
N
D
i
s
conne
ct
e
d
, ve
ri
fy
t
hat
i
t i
s
a
t
th
e s
a
m
e
p
o
ten
ti
al
as
t
h
e p
ip
ing
sy
s
te
m
.
0-
1 m
A
O
u
tp
ut
C
onne
ct
io
n
Thi
s
ou
tp
u
t
is
de
si
gne
d
to
d
ri
v
e
l
o
ads
up
to
1500 oh
m
s
. U
s
e
R
6
0
[
1
m
A
] con
tr
o
l t
o
ad
ju
s
t
span. Tr
ansdu
ce
r C
onne
ct
io
n
s
C
onne
ct
t
h
e
f
o
u
r w
ir
e
s
fr
o
m
t
h
e
t
w
o
coax
ia
l
c
a
b
le
s
to
th
e
re
s
p
e
c
ti
v
e
te
rm
in
a
ls
.
W
ire
m
a
rk
er
s
o
n
t
h
e c
o
a
x
ia
l
c
a
bl
es
i
d
en
ti
fy
t
h
e “
R
”
and
th
e
“
T
” pa
ir
. D
o
no
t r
u
n
t
h
e
s
e
cabl
e
s
ad
-
ja
c
e
n
t t
o
A
C
po
w
e
r c
a
bl
es
.
R1
0
[G
A
IN] Co
n
tr
o
l
A
ft
e
r
al
l e
le
c
tr
ic
a
l an
d
tr
a
n
sduce
r conne
ct
ions
h
a
v
e
b
e
e
n
m
a
d
e
, t
h
e
GA
IN
c
o
n
tro
l
is
s
e
t
to
m
a
tc
h
liqu
id
and
pi
pe
par
a
m
e
te
rs.
T
o
p
rop
-
e
rly
s
e
t th
e
R
1
0
[GA
IN
],
th
e
p
ip
e
mu
s
t b
e
fu
ll
of
a
f
low
in
g
l
iq
ui
d
. S
ta
rt wit
h
t
h
e
c
o
n
tr
o
l
fu
lly
C
C
W
[c
o
u
n
te
r c
lo
c
k
w
is
e
].
A
d
ju
s
t C
W
u
n
ti
l
D
21 [
the
LE
D
]
ju
s
t be
gi
ns
to
f
las
h s
te
adi
ly
.
L
O
W
V
e
lo
c
ity
F
ilte
r
F
o
r
m
eas
u
ri
n
g f
lui
d v
e
lo
ci
ti
es
u
p
t
o
20
F
P
S
[
6
M
P
S
] s
e
t
th
e
tw
o
s
w
it
c
h
e
s
a
t S
W
2
to
OP
E
N
.
If
c
o
n
ti
nuous
f
low
r
a
te
will
not
e
x
c
e
e
d
2 FPS
[0
.6
M
P
S
]
tu
rn
th
e
tw
o
s
w
it
c
h
e
s
ON
.