Yokogawa EXA SC202 2-Wire Conductivity Transmitter/Analyzer - Manuel (Page 17)

IM 12D7B3-F-E
Spécifications 2-10
:
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Model EXA SC202S-F Model EXA SC202S-P No revision to drawing without prior FM Approval
Title : FM Control Drawing SC202S-F & SC202S-P (Intrinsic safe Entity concept) Number : FF1-SC202S-0
0
Page : 8 of 10 Revision : 2.4
YOKOGAWA
EUROPE
B.V.
Date : 26/07/2004
S
en
sor
(s)
ar
e
of
a
pa
ss
iv
e
type t
o
be r
ega
rd
ed
as
’s
im
pl
e
appa
rat
us
’, dev
ic
es
w
hi
ch
neit
he
r s
tor
e
no
r
gener
at
e v
ol
tag
es
ov
er
1.
5
V, cu
rr
en
ts
ov
er
0.
1 A,
power
ov
er
25
m
W
or
ener
gy
ov
er
20
M
J,
or
ar
e
F
M
Ap
pr
ov
al
s
ent
ity
appr
ov
ed
and m
ee
t c
onnection
re
qu
ire
m
en
ts
.
E
le
ct
ric
al
da
ta
of t
he EXA
S
C
202
S
-F
&
S
C
20
2S
-P :
-
S
upply
ci
rc
ui
t:
M
ax
im
um
inpu
t v
ol
tag
e
Vma
x=24
V
M
ax
im
um
inpu
t c
ur
re
nt Imax
=
250 m
A
M
ax
im
um
inpu
t
pow
er
P
i=1.
2
W
Eff
ectiv
e
in
ter
nal capa
ci
ta
nc
e
C
i=7
3
7
pF
; Effe
ct
iv
e
int
er
na
lindu
ct
an
ce
Li=2.
6
M
H
.
-
S
ens
or
input c
irc
ui
t:
M
ax
im
um
ou
tpu
t volt
age Vt
=
14.
4
V;
M
ax
im
um
ou
tpu
t curr
en
t It
=
12
.8 m
A
M
ax
im
um
allowe
d
exte
rnal c
apa
ci
tanc
e
C
a=
103
nF
M
ax
im
um
allowe
d
exte
rnal
inducta
nc
e
La
=
200 m
H
A
ny
F
M
A
ppr
ov
ed
bar
rie
r m
a
y b
e
us
ed that
m
eets
th
e
fo
llow
ing
requ
irem
ents
:
V
oc
or
V
tb
24
V
Ioc
or
It
b
250 m
A
P
oc
or
P
tb
1.
2
W
C
a
b
737
pF
+
C
ca
ble; La
b
2.
6
M
H
+
Lc
ab
le
When
installing
th
is
equipm
ent, fo
llow t
he
m
anuf
actur
er
s
in
st
allat
ion
dr
aw
ing
.
Inst
al
la
tio
n
sh
ould
be
in
ac
co
rd
anc
e
w
ith
A
N
SI
/ISA
R
P 12
.06.
01
In
st
allat
ion
of
In
tr
in
si
ca
lly
S
af
e Sy
st
ems f
or
H
az
ar
dous (
C
la
ss
ified
)
Loc
at
ion
s
and t
he
N
at
ional Electr
ic
al
C
ode
(AN
S
I/N
F
PA
70)
.
A
ss
oc
iat
ed
appar
at
us
conn
ec
te
d to the
bar
rie
r must
not u
se
or
gener
at
e
m
or
e
th
an
250 Vrms
or
V
dc
.
Res
istanc
e
be
tw
een I
nt
rins
ic
ally S
af
e
G
round
and
ear
th
gr
ound must
be
les
s tha
n
1.
0
Ohm
.
W
A
RN
IN
G
-
S
ubstit
ut
io
n
of c
om
ponents m
ay
im
pai
r I
nt
rins
ic
Saf
et
y
-
T
o
pr
ev
en
ti
gni
tio
n
of f
lamm
able
or
com
bustib
le
atm
os
phe
res,
di
sc
onn
ec
t po
w
er
bef
or
e
se
rv
ic
ing
or
re
ad, und
er
sta
nd
and
adhe
re to t
he
m
anuf
actur
er
s
liv
e
m
aint
enanc
e
pr
oc
edur
es
.
U
nc
la
ss
ifi
ed
Lo
cat
io
n
Class
ifi
ed
Loc
at
io
n
D
iv
is
ion
1
F
M
A
pp
ro
ve
d
ba
rr
ie
r
Vo
c
(V
t)
¡Ü
24
V
Io
c
(It
)¡
Ü
250
m
A
Po
c
(P
t)
¡Ü
1
,2
W
Ca
¡Y
73
7p
F +
C
ca
bl
e
La
¡Y
2 ,6
H
+
Lc
ab
le
I.S
.
ce
rt
ifi
e
d
T
er
m
in
at
or
E
X
A
S
C
202
S
-F
&
S
C
202
S
-P
S
en
so
r
Conne
ct
ion
s
M
ax
.c
ab
le
len
gt
h:
60
m
tr
.
Cabl
e
di
a
. :
3
1
2
m
m
.
F
M
Cla
ss
I,
D
IV.
1,
G
ro
up
A
B
C
D
T
4
fo
r a
m
bi
en
tte
m
p.
b
55
`C
T
6
fo
r a
m
bi
en
ttem
p.
b
40
`C