Yokogawa EXA ISC202 2-wire Conductivity Transmitter/Analyzer - Manuel (Page 16)

2-10 Spécifications
Stamp Company :
Stamp Certification Institute :
Signature :
Remarks : Model EXA ISC202S-F Model EXA ISC202S-P No revision to drawing without prior FM Approval
Title : FM Control Drawing ISC202S-F & ISC202S-P (Intrinsic safe Entity concept) Number : FF1-ISC202S-00
Page : 8 of 10 Revision : 1.5
YOKOGAWA
EUROPE
B.V.
Date : 27/07/2004
〈
S
en
sor(
s)
are
o
f a
pas
si
ve
type to
be re
gar
de
d
as ’
si
m
ple
appar
atu
s’
, devi
ce
s w
hi
ch
neith
er
st
ore
no
r g
enera
te
vo
ltage
s o
ve
r 1
.5
V, cur
re
nt
s o
ver
0.
1 A, p
ower o
ver 2
5
mW
o
r
en
erg
y o
ve
r 2
0
µJ, o
r
are
F
M
App
rova
ls
enti
ty a
ppro
ved
and me
et
co
nnection
re
qu
ire
m
en
ts
.
〈
E
lec
tr
ica
l d
at
a
of th
e EXA I
SC
202
S
-F
& ISC2
02S
-P :
-
Su
pply
ci
rcu
it:
Ma
xi
m
um i
nput
vo
ltage
Vmax
=24 V
Ma
xi
m
um i
nput
cu
rre
nt Imax=
250 mA
Ma
xi
m
um i
nput
p
owe
r
P
i=1.2
W
E
ffe
ct
iv
e
in
te
rn
al
c
ap
ac
ita
nc
e
C
i=
73
7 p
F
; E
ffe
ct
iv
e
in
te
rn
al
in
du
ct
an
ce
L
i=
2.
6
µH.
-
Se
nso
r i
nput
ci
rcu
it:
Ma
xi
m
um o
ut
put
volta
ge Vt=
14.4
V;
Ma
xi
m
um o
ut
put
curre
nt
It=
88 mA
Ma
xi
m
um a
llowed
exter
nal ca
pac
ita
nce
C
a=600
nF
Ma
xi
m
um a
llowed
exter
nal i
nductan
ce
L
a=4.5
mH
〈
A
ny
F
M A
ppro
ved b
arr
ier
ma
y be
use
d that m
eets
th
e
fo
llowi
ng r
equi
reme
nts:
V
oc
o
r Vt
≤
2
4 V
Io
c o
r It
≤
250 mA
P
oc
o
r Pt
≤
1
.2
W
C
a
?
737
pF
+
C
ca
ble; La
? 2
.6
µ
H
+
L
ca
bl
e
When i
nstalling
th
is
e
quipme
nt, fol
low th
e
ma
nufa
cture
rs i
ns
ta
llati
on d
rawi
ng.
In
sta
llat
ion
sh
ould b
e
in a
cco
rd
ance
wi
th
AN
SI/
ISA R
P
12.
06.0
1
In
sta
llati
on o
f Int
rin
si
ca
lly
S
afe
Sys
te
ms fo
r H
aza
rd
ous (C
las
si
fied)
L
oca
tions
and th
e
Na
tional Electri
ca
l Co
de
(ANS
I/NF
PA 7
0).
A
sso
ci
ate
d a
ppara
tu
s conne
cte
d to the
barr
ier
must
not us
e o
r
genera
te
mo
re
th
an
25
0 V
rm
s
or
Vd
c.
〈
Resi
stance
b
et
we
en In
tri
nsi
ca
lly Sa
fe
Gr
ound
and e
art
h g
ro
und must
be l
ess
than
1.0
O
hm
.
WA
RNI
NG
-
S
ub
st
itu
tio
n
of
c
om
po
ne
nt
s m
ay
imp
air
In
tri
ns
ic
S
af
et
y
-
T
o p
re
vent
ig
nit
io
n
of
flamma
ble
or
comb
ustibl
e
atmo
sp
her
es, d
isc
onne
ct
pow
er
befo
re
se
rvi
ci
ng
or
re
ad,
unde
rstan
d
and
adher
e to th
e
ma
nufa
cture
rs
live
ma
inte
nance
pro
ce
dure
s.
Un
cl
as
si
fied
Lo
ca
tion
Classi
fied L
oca
tion
Di
vi
si
on 1
F
M
A
pp
ro
ve
d
ba
rr
ie
r
Voc
(V
t)
¡Ü
24
V
Io
c (
It)
¡Ü
2
50
mA
Poc
(P
t)
¡Ü
1,
2
W
C
a
¡Y
7
37
pF
+
C
ca
bl
e
La
¡Y
2
,6
H
+
Lc
ab
le
I.S
.
cer
tif
ie
d
T
er
mi
nat
or
E
X
A
IS
C
20
2S
-F
&
IS
C
20
2
S
-P
S
en
sor
C
on
ne
ct
io
ns
Ma
x.
ca
bl
el
eng
th:
60
mt
r.
Cable
di
a.
: 3
1
2
mm
.
F
M
Clas
s
I, D
IV.
1,
G
ro
up
AB
CD
T
4
fo
r am
bi
en
t tem
p.
≤
5
5
ϒC
T
6
fo
r am
bi
en
t tem
p.
≤
4
0
ϒC
IM 12D8B3-F-E