Emerson ib-106-340cdr Manuel D’Utilisation

Appendix A

January, 2002

Rosemount Analytical Inc.    A Division of Emerson Process Management

Appendices    A-1

Hazardous Area Oxymitter DR

Perform the following procedure to upgrade the
Hazardous Area Oxymitter DR to a full Hazard-
ous Area Oxymitter.

a.  Remove power from the Oxymitter DR.

b.  Remove the left and right covers from the

Oxymitter termination housing.

c.  Remove and discard the two cable assem-

blies (1 and 2, Figure A-1) from the right
side of the termination housing.

d.  Place the new Oxymitter electronic assem-

bly (3) near the right side of the termination
housing.

e.  Plug the white connector with the two black

wires into the white socket on the bottom
power supply card.

f.  Insert the electronics assembly into the ter-

mination housing. Ensure the black 4-wire
connector remains outside the housing and
in the slot provided in the top card of the
electronics assembly. The electronics as-
sembly should seat on the bulkhead pins
easily. Do not force the assembly into place.

g.  Plug the black 4-wire connector into the

black socket on the microprocessor card.

h.  Tighten three screws (4) securing the elec-

tronics assembly into the termination hous-
ing.

2

36210017

1

3

DIA

DIA

GN

OS

TIC

GNOSTIC

ALA

RM

S

ALARMS

TE

ST

TEST

PO

INT

S

POINTS

HE

A

HEA

TE

R

TER

T/C

T/C

HE

A

HEA

TE

R

TER

02 C

ELL

02 CELL

CA

LIB

RA

CALIBRA

TIO

N

TION

CA

LIB

RA

CALIBRA

TIO

N R

EC

OM

ME

ND

ED

TION RECOMMENDED

02 C

ELL

 m

V +

02 CELL mV +
02 C

ELL

 m

v

02 CELL mv

-

HE

A

HEA

TE

R

TER

T/C

 +

T/C +

HE

A

HEA

TE

R

TER

T/C

 -

T/C -

INC

INC

INC

INC

DE

C

DEC

DE

C

DEC

HIG

H

HIGH
GA

S

GAS

LO

W

GA

S

GAS

CA

L

CAL

TE

ST G

AS

 +

TEST GAS +

PR

PR

OC

ES

S -

OCESS -
% 0

2

% 02

4

1. Signal connecting cable
2. Heater connecting cable
3. Electronic assembly
4. Screw