Emerson ib-106-340cdr instruction manual Westinghouse Model TC200 VERI- Trim Electronics Setup

Instruction Manual

IB-106-340CDR Original Issue January, 2002

Hazardous Area Oxymitter DR

d.WESTINGHOUSE MODEL TC200 VERI- TRIM ELECTRONICS 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 In-Situ Oxygen Probe. To convert the Model TC200 Elec- tronics Package for use with the DR probe, an EPROM change is necessary. The re- placement EPROM needed is part number 1M03154G02.

1.EPROM replacement. To replace the EPROM, proceed as follows:

(a)Shut off and lock out power to the electronics package.

(b)Open electronics enclosure.

(c)On the main PCB, Figure 2-11,lo- cate and remove old EPROMs U11 and U12.

(d)Replace with new EPROMs (part number 1M03154G02) being careful to install U11 and U12 in their proper locations.

(e)Close electronics enclosure and power up system.

2.Heater Setpoint Adjustment. The ad- justment procedure required for the Model TC200 Electronics Package is as follows:

(a)Open keylocked enclosure to ac- cess membrane keyboard.

(b)Put controller in PAR (parameter) mode by depressing "LOCK" "▲" "%O2" "INC" "ACK" in sequence.

(c)Depress "ACK" pushbutton to clear display.

(d)Press "NUM" pushbutton.

(e)Using "INC", "DEC" buttons, dis- play parameter 125.

(f)Press "VAL" button.

(g)Using "INC", "DEC" buttons, change parameter 125 value to 15.4.

(h)Press "ENT" to save new value.

2-12 Installation Rosemount Analytical Inc. A Division of Emerson Process Management