Yokogawa EXA SC202 2-Wire Conductivity Transmitter/Analyzer - Manuel (Page 15)

IM 12D7B3-F-E
Spécifications 2-8
Stamp Company :
Stamp Certification Institute :
Signature :
Remarks : Model EXA SC202S-N No revision to drawing without prior FM Approval
Title : FM Control Drawing SC202S-N (Non-incendive) Number : FF1-SC202S-00
Page : 6 of 10 Revision : 2.4
Sen
sor
te
rm
in
al
s
11
-1
6
M
ax
. c
ab
le
le
ng
th
: 6
0 m
tr
.
Ca
ble
d
ia
. :
3
1
2 m
m.
Sen
sor
te
rm
in
al
s
11
-1
6
M
ax
. c
ab
le
le
ng
th
: 6
0 m
tr
.
Ca
bl
e
dia
.:
3
12
mm
n
cla
ss
if
ie
d
Lo
ca
tio
n
+ _ G
C
la
ss
if
ie
d
Lo
ca
tio
n
Un
cl
as
si
fie
d L
oca
tio
n
+ _ G
Pr
ote
cti
ve
ear
th
In
tr
in
si
ca
lly
s
af
e d
es
ig
n
FM
C
la
ss
I
, D
iv
.2
, G
ro
up
A
B
C
D,
T
4
fo
r
amb
ie
nt
te
m
p.
<
5
5¡
C
T
6
fo
r
amb
ie
nt
te
mp
. <
40¡
C
E
XA
SC
202
S
ana
lys
er
+
-
L
oa
d
R
esi
sta
nc
e
Cl
ass
if
ie
d
Lo
ca
tio
n Pr
ote
ct
iv
e
e
ar
th
FM A
pp
ro
ve
d
po
we
r s
upp
ly
Vo
c
¡Ü
3
1.5
V
D
C
Fo
r ele
ctr
ica
l da
ta:
see
tex
t be
lo
w.
Fo
r ele
ctr
ical
data:
se
e
tex
t b
elo
w.
In
tr
in
si
cal
ly
s
af
e d
es
ig
n
FM
C
la
ss
I,
D
iv
.2
, G
ro
up
A
B
C
D,
T
4
f
or
a
mb
ie
nt
tem
p.
<
5
5¡
C
T
6
f
or
a
mb
ie
nt
tem
p.
< 4
0¡
C
E
XA
SC
20
2S
an
al
yse
r
+
-
FM A
ppr
ov
ed
po
we
r
su
pp
ly
Vo
c
¡Ü
3
1.5
VDC
•
Electrical data of the EXA SC202S : - Supply circuit (terminals + and -): - Sensor input circuit (terminals 11 through
16):
Maximum input voltage
V
max
= 31.5 V. Maximum output voltage
V
t
= 14.4 V.
Maximum input power Pi = 1.2 W Maximum output current I
t
= 12.8 mA.
Effective internal capacitance
Ci = 22
nF Maximum allowed external capacitance C
a
= 1,4
F.
Effective internal inductance Li = 22
H Maximum allowed external inductance L
a
= 900 mH.
•
The Hand Held Terminal must be FM Approved in case it is used in the classified location. When installing this equipment, follow the manufacturers installation drawing. Installation shall be in accordance with Article 501.4(B) of the National Electrical Code (ANSI/NFPA 79). Nonincendive field wiring may be installed in accordance with Article 501.4(B)(3)
•
Grounding shall be in accordance with Article 250 of the National Electrical code
WARNING
-
Substitution of components may impair suitability for Division 2
-
Do not remove or replace while circuit is live unless area is know to be non-hazardous
-
Explosion Hazard — Do not disconnect equipment unless area is know to be non-hazardous
-
Do not reset circuit breaker unless power has been removed from the equipment or the area is know to be non- hazardous
YOKOGAWA
EUROPE
B.V.
Date : 26/07/2004