Emerson Rosemount CCO 5500, Reference Manual

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2. Span Factor: You can adjust the sensitivity of the instrument from the SET UP mode
→
CALIBRATE option. Rosemount
™
initially set the span factor at the factory using
known gas concentrations.
3. O/P (Output) Fault: Should a fault condition occur, you can set the analog input from
one of four options.
4.7.3 Averages
Select this option to display the times set for each of the four averaging stacks: seconds,
minutes, hours, and days.
4.7.4 Output
You can display the base, span, and averaging of the analog output from this option.
4.7.5 Alarm
A changeover relay contact output is available to indicate a high gas concentration. You
can examine the level at which the output is operated and the averaging stack from which
the gas value is obtained from this display.
4.7.6 Plant status
When plant status is OFF , the minutes, hours, and days averaging stacks do not update.
Note
When the plant status is
OFF
, pollutant levels are zero. It is not normally permitted to use plant
OFF
zero levels to reduce the recorded mean entitled pollutant levels.
You can use this function to ensure data is only collected when the plant is fully
operational. You can use three options to determine plant status
ON or OFF : Logic Input ,
Serial Input , and Multiple . Multiple has four options: Temperature threshold , Oxygen threshold , Water
Vapor threshold
, and
Logic Input
. You can view the plant status and its governing factor from
this display.
4.8 Normalization
Complete the following steps to display and/or edit the normalization parameters for the
analyzer.
1.
Press MODE until you see the number
3
in the top left corner of the display.
From this mode, you can display the normalization parameters currently used.
2. Press ENTER to enter the routine and use the arrow keys to select which of the
normalizing parameters to display.
Operation
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