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Instruction Bulletin
106-300NE Rev. 3.4
May 2000
Rosemount Analytical Inc. A Division of Emerson Process Management Setup 3-3
World Class 3000
Figure 3-3. Main PCB (Model TC200) EPROM Replacement
3-4 MODEL TC200 VERITRIM ELECTRONICS
SETUP
Before beginning operation, it is important that
the probe heater set point of the existing elec-
tronics be changed to support the World Class
3000 Probe. To convert the Model TC200 Elec-
tronics Package for use with the World Class
3000 Probe and Heater Power Supply, an
EPROM change is necessary. The replacement
EPROM needed is part number 1M03154G02.
a. EPROM Replacement
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 3-3, locate
and remove old EPROMs U11 and
U12.
4. Replace with new EPROMs (part num-
ber 1M03154G02) being careful to in-
stall U11 and U12 in their proper
locations.
5. Close electronics enclosure and power
up system.
b. Heater Set Point Adjustment
The adjustment procedure required for the
Model TC200 Electronics Package is as
follows:
1. Open keylocked enclosure to access
membrane keyboard.
2. Put controller in PAR (parameter)
mode by depressing "LOCK" "▲"
"%O
2
" "INC" "ACK" in sequence.
3. Depress "ACK" pushbutton to clear
display.
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