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Instruction Manual
IB-106-340CDR Original Issue
January, 2002
Rosemount Analytical Inc. A Division of Emerson Process Management Installation 2-11
Hazardous Area Oxymitter DR
c. WESTINGHOUSE MODEL 218A ELEC-
TRONICS SETUP
Before beginning operation, it is important
that the probe heater setpoint of the existing
electronics be changed to support the Haz-
ardous Area Oxymitter DR probe. To con-
vert the Model 218A Digital Electronics
Package for use with the DR probe, an
EPROM change is necessary. Remove
Main PCB and check back of board to iden-
tify unit as G02 or G04. The replacement
EPROM needed is as identified below:
G02 G04
United States 1M03192G01 1M02982G01
United Kingdom 1M03192G02 1M02982G02
Germany 1M03192G03 1M02982G03
France 1M03192G04 1M02982G04
Italy 1M03192G05 1M02982G05
NOTE
The replacement EPROM when using a
multiprobe averager unit is
1M02982G10.
To replace the EPROM, proceed as follows:
1. Shut off and lock out power to the
electronics package.
2. Open electronics enclosure.
3. On the Main PCB, Figure 2-10, locate
and remove old EPROM.
4. Replace with new EPROM.
5. Close electronics enclosure and power
up system.
MAIN PCB
EPROM
P0020
Figure 2-10. Main PCB (Model 218A) EPROM Replacement
2