Emerson IM-106-5500 Manual Do Utilizador

IM-106-5500, Original Issue
August 2005

4-5

CCO 5500

From this mode of operation the averaging time of the displayed gas 
concentration may be altered to one of the other averaging stacks, and the 
measured/normalized gas measurements observed. When in this mode, the 
display will appear similar to that shown below. If the display is not similar to 
this, press the MODE key until number 1 appears in the top left corner of the 
display. 

To change the data displayed press the ENTER 
key and a flashing cursor will appear at the 
beginning of the concentration units, i.e. vpm or 
mg/Nm

3

. The ARROW keys will now change 

the highlighted parameter. Each push of the ENTER key will select another of 
the parameters, in the following order: 

• Concentration Units - vpm, mg/m

3

 (or mg/Nm

3

). 

• Measured or Normalized display. 
• Averaging Time - seconds, minutes, hours or days. 

Press the ENTER key when the cursor is flashing on the averaging time and 
the cursor will disappear from the display. The ENTER key may be pressed 
again if required to bring the cursor back onto the display. 

In this mode, the parameters set within the set-up mode may be examined, 
but not changed. Press the MODE key until the number 2 appears in the top 
left corner of the display, then press the ENTER key. 

The ARROW keys will now scroll through the available options; press the 
ENTER key to display the selected option. 

Press the ENTER key again to exit from each option. 

Refer to Setup Mode, for further details of the display information and how to 
change the held parameters. 

The analyzer type, identity number, and EPROM program ID are displayed 
from this option. Use the arrow keys to scroll between these options. 

The following parameters are examined from this option, selected using the 
ARROW keys: 

1. Measurement Path Length - The path length currently used to calculate 

the gas concentration. 

2. Span Factor - From the SET UP MODE - CALIBRATE option, the 

sensitivity of the instrument can be adjusted. The Span Factor was 
initially set at the factory using known gas concentrations. 

3. Output Fault - Should a fault condition occur, the analog output can be 

set from one of four options. 

Selecting this option will display the times set for each of the four averaging 
stacks. 

The base, span and averaging of the analog output are displayed from this 
option.