Emerson Rosemount CT5400, Инструкция по установке, эксплуатации и обслуживанию

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You can control the analyzer through six navigation buttons ( Figure 4-6 , B) on the display
controller.
The LCD display (A) can be used to display:
1.
Gas concentration measurements obtained
2. Operating temperature and pressure
3. Help screens
4. Step-by-step calibration
5. Diagnostics
The navigation buttons (B) are configured to perform different functions according to
which software screen is shown on the LCD display.
Display Controller Navigation Button Functions Table 4-1:
Button Description
Normally used to scroll up. Referred to as UP .
Normally used to scroll down. Referred to as DOWN .
Normally used to select. Also accesses the Main Menu from the Home screen.
Referred to as RIGHT .
Used to go back to the previous screen. No function from the Home screen. Re-
ferred to as LEFT .
Used to access the context sensitive Help pages. Referred to as HOME .
Generally used to select an alternative function. Also allows you to toggle be-
tween gas and physical measurements from the
Home screen. Referred to as
ENTER .
The analyzer employs Intelligent Device Management which enables self-monitoring and
diagnostics. This ensures that operators are made aware of malfunctions so they can take
appropriate action.
Table 4-2 defines the symbols that may be displayed.
Diagnostic symbols Table 4-2:
System running
Maintenance required: still valid output signal
Out of specification: signal out of the specified range
Indicates the analyzer is performing a calibration or validation or that the soft-
ware has been deliberately stopped.
Failure: non-valid output signal
Operating the analyzer
Installation, Operations, and Maintenance Manual 29