Honeywell XNX Technical Manual page 21

XNX Universal Transmitter
1.4.2 The General Status Screen
Figure 12. General Status screen
The General Status Screen shows the status of the XNX
Transmitter�
Status Indicator
Current Concentration Level
(Bar Graph)
Figure 13. General Status screen, normal operating mode
The Normal Operating Mode icon indicates proper operation�
The XNX display also shows the concentration level of the
target gas in two ways� In the first, a numeric value is shown in
the upper right corner of the display in the units selected (ppm,
%LEL, %VOL)� The second concentration display is shown in
the form of a bar graph representing the current concentration
against full scale and in relation to the defined alarm levels� For
more information on setting range and alarm levels, see Section
2�6�2 Range/Alarm Settings� See Section 6�2�2, Section 6�2�3,
and Section 6�2�4 for negative drift and zero deviation values�
4 The LCD screen's refresh rates are 500 milliseconds (when the LCD heater is off) and 1 second
(when the heater is on).
Section 1 - Introduction
\
4
Current Concentration Level
(Numeric)
Concentration Units
Full Scale
Alarm 2 Set Point
Alarm 1 Set Point
When a warning is triggered, the warning icon appears and
information is displayed on the General Status Screen� The
information displayed alternates between screens displaying
the gas concentration and the warning code� See Section 5 -
Warnings/Faults for more warning code information�
Warning Icon
Figure 14. General Status Warning detail
If the Fault icon is displayed, a fault condition has been
triggered and the display will alternate between the target gas
concentration and the fault code� See Section 5 - Warnings/
Faults for more fault code information�
Fault Icon
Figure 15. General Status Fault detail
In the event of multiple warnings or faults, the user can view all
messages with the transmitter's Event History function�
When an Alarm icon is displayed, the target gas concentration
exceeds one or both preset alarm levels� The General Status
Screen displays the gas concentration and the alarm level
exceeded�
19
Warning Code
Fault Code