Check Cell Mode; Shutdown Procedure; Routine Checks; Notes For Using A Rosemount - Emerson Rosemount CCO 5500 Reference Manual

Operation
4.11

Check Cell mode

Use this mode with a Rosemount
analyzer.
For details for this mode's use, refer to
Procedure
1.
2.
4.12

Shutdown procedure

You do not need to shut down the system unless you are performing maintenance.
1.
2.
3.
4.
Postrequisites
You may need to calibrate the system depending on the type of maintenance you are
doing. For details, refer to
4.13

Routine checks

4.13.1

Notes for using a Rosemount

The check cell and holder are optional items available from Rosemount. Rosemount has
designed the check cell to verify the reading of Rosemount cross duct analyzers. When
placed within the measurement path, the check cell can generate a known increase in gas
concentration.
76
Press ENTER on viewing this display if you need to use the CHECK CELL mode.
Use the arrow keys to toggle the display to YES and press ENTER again.
You have now selected the CHECK CELL mode. Note that the display will default back
to Mode 1 if you don't select YES within five seconds. Do not insert a the check cell
before accessing this option. Refer to
In this case, power down the power supply (and thus the control unit and analyzer
heads).
Close the manually operated isolating valves on the analyzer heads.
Proceed with service.
When completed, open the valves and power up the system.
Chapter 6
™
check cell. It verifies calibration and operation of the
Section 4.13.1.
Section 4.13.1.
™

check cell

Rosemount CCO 5500