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Instruction Manual
IM-106-5500, Original Issue
August 2005
3-13
CCO 5500
k. Oxygen Threshold
Set and used in a similar manner to the temperature threshold.
However, if the normalizing oxygen level rises above the threshold,
plant status is OFF. For plant status ON, the oxygen level must be
below the threshold set.
l. Water Vapor Threshold
Set and used in a similar manner to the temperature threshold. If the
water vapor falls below the threshold plant, status is OFF. For plant
status to be ON, the water vapor must be above the threshold set.
m.Detector Threshold
Set and used in a similar manner to the temperature threshold.
However, if the detector level rises above the threshold, plant status
is OFF. For plant status ON, the detector level must be below the
threshold set. Only used for the NO
x
analyzer.
n. Logic Input
Either selected as YES or NO - depending on whether the logic
contracts (PS1 and PS2) will be used to indicate plant shut down.
7. Normalization
All of the normalization inputs and
parameters are set up from this mode.
Press ENTER to access the mode and
the ARROW keys will select which of the
normalizing inputs are to be changed, they are :
• Temperature
• Oxygen
• Pressure
• Water Vapor
After selecting the normalizing parameter, the user may set the
standard levels to which the measurement is to be normalized, and how
the instrument reads the value, i.e., fixed keypad input, 4-20 mA input,
or on the serial data line.
After selecting the parameter to be set up, the ARROW keys will select
between entering the standard levels, and how the normalization data
is to be brought into the instrument.
a. Set Standard Levels
Each normalizing parameter
normalizes the measured gas
concentration to standard conditions of
temperature, oxygen, pressure and
water vapor. These levels are set from within this option. Use the
ARROW keys to change each displayed normalizing standard value.
5 NORMALIZATION
5 TEMP DegF
std level = 000