C-4
“Oil-Less” Scroll Laboratory Air
4107 9006 25.11
Appendix C: TotalAlert Embedded Control System
• If a unit is unavailable because it is in Manual
mode and it is running, that color bar shows
green and the adjoining symbol shows “X”.
• If the unit is unavailable because the unit is
an expandable unit, that color bar shows dark
grey and the adjoining symbol shows “E”.
• If the unit is unavailable because the unit
cannot be reached via ethernet, that color
bar shows dark grey and the adjoining symbol
shows “?”.
C.2.5 5.7” Trend Screen
Figure C.7 Trend Screen
The trend screen (Figure C.7) shows the measured
value over a specifi c time period:
• The default time period when opening the
window is the last 60 minutes. For a given
period, the maximum amount of data stored
will only be for the most recent time period
and the older data will be removed from view
and memory.
• Another time period is selected by pressing the
buttons at the bottom of the window. These
periods are 60 minutes (240 data points – 0.25
min resolution), 4 hours (240 data points – 1
min resolution), 24 hours (240 data points – 6
min resolution) and 6 days (240 data points –
0.6 hour resolution).
• If the connecting board is incompatible
with the display board (for example, board
not properly connected), only the bottom
version button will appear with a red button
background.
C.2.4 5.7” Main Screen
Figure C.6 Main Screen
The main (default) screen (Figure C.6) shows the
pertinent system measurements as well as unit
sequence information.
The pertinent system measurements include:
Pressure and Dew Point. Pressing pertinent system
data buttons shows Trend information for that
value.
Unit Sequence information shows all system units.
• If the unit is running, that color bar shows
green and the adjoining symbol shows “*” for
across the line (full speed).
• If a unit is available and not running, that color
bar shows blue and the adjoining symbol
shows “+” if that unit is next to start.
• If a unit is stopped, that color bar shows red
and the adjoining symbol shows “!” if stopped
for a shutdown.
• If the unit is unavailable and not running, that
color bar shows dark grey and the adjoining
symbol shows “X”.
