Yokogawa EXA SC202 2-Wire Conductivity Transmitter/Analyzer - Manual (Page 10)

IM 12D08B02-01E
Introduction 1-1
1. INTRODUCTION AND GENERAL DESCRIPTION
The Yokogawa EXA 202 is a 2-wire transmitter designed for industrial process monitoring, measurement
and control applications. This user’s manual contains the information needed to install, set up, operate
and maintain the unit correctly. This manual also includes a basic troubleshooting guide to answer typi-
cal user questions.
Yokogawa can not be responsible for the performance of the EXA analyzer if these instructions are not
followed.
1-1. Instrument check
Upon delivery, unpack the instrument carefully and inspect it to ensure that it was not damaged during
shipment. If damage is found, retain the original packing materials (including the outer box) and then
immediately notify the carrier and the relevant Yokogawa sales office.
Make sure the model number on the textplate affixed to the side of the instrument agrees with your
order. Examples of nameplates are shown below.
No. IECEx KEM 06.0053X
SC202S-N
II 3 G
Ex nA[nL] IIC T4
Ex nA[nL] IIC T6 for Ta:40 °C
IP65
SEE CONTROL DRAWING
No. KEMA 06ATEX0221
EEx nA[nL] IIC T4
EEx nA[nL] IIC T6 for Ta:40 °C
IP65
SEE CONTROL DRAWING
NI CL I, DIV 2, GP ABCD AND
CL I, ZN 2, GP IIC
T4
WARNING
Substitution of
components may
impair suitability
for class I, Division 2.
AVERTISSEMENT
La substitution de composants
peut rendre ce materiel
inacceptable pour les
emplacements de
Classe I, Division 2.
Ex nA[nL] IIC
NI CL I, DIV 2, GP ABCD
T4
T6 for Ta:40 °C
SEE CONTROL DRAWING
LR81741 C
R
Type 4X
Install per CONTROL DRAWING
IKE026-A10 P.7 to P.8
IP65 Type 3S
N200
MODEL
SUFFIX
SUPPLY
OUTPUT
AMB.TEMP.
STYLE
SC202
-10  55°C
4 20mA DC
Made in Japan Tokyo 180-8750 JAPAN
No.
24V DC
CONDUCTIVITY TRANSMITTER
No. IECEx KEM 06.0053X
SC202S-A
No. KEMA 06ATEX0220 X
Ex ia IIC T4
Ex ia IIC T6 for Ta:40 °C
SEE CONTROL DRAWING
IS CL I, DIV 1, GP ABCD
AND AEx ia IIC
T4
Zone 0 Ex ia IIC T4
Zone 0 Ex ia IIC T6 for Ta:40 °C
IP65
SEE CONTROL DRAWING
II 1G
LR81741 C
CL I, DIV 1, GP ABCD
Ex ia IIC T4
Ex ia IIC T6 for Ta:40 °C
SEE CONTROL DRAWING
WARNING
Substitution of
components may impair
intrinsic safety
AVERTISSEMENT
intrinseque.
peut compromeltre la securite
La substitution de composants
R
IP65
Type 4X
Install per CONTROL DRAWING
IKE026-A10 P.5 to P.6
IP65 Type 3S
0344
Figure 1-1. Nameplate
mA
N200
MODEL
SUFFIX
SUPPLY
OUTPUT
AMB.TEMP.
STYLE
SC202G-F
-10  55°C
FF-TYPE113
Made in Japan Tokyo 180-8750 JAPAN
No.
9 TO 32VDC
DISSOLVED OXYGEN TRANSMITTER
N200
MODEL
SUFFIX
SUPPLY
OUTPUT
AMB.TEMP.
STYLE
SC202G-P
-10  55°C
PROFIBUS-PA
Made in Japan Tokyo 180-8750 JAPAN
No.
9 TO 32VDC
DISSOLVED OXYGEN TRANSMITTER
MODEL
SUFFIX
SUPPLY
OUTPUT
AMB.TEMP.
STYLE
Made in Japan Tokyo 180-8750 JAPAN
No.
24V DC
-10  55°C
4 20mA DC
SC202S-K
SEE USER’S MANUAL BEFORE USE
Ex ia IIC T6 for Ta:40 ˚C
Ex ia IIC T4
Cert No. GYJ081157X
CONDUCTIVITY TRANSMITTER