
GASMAX CX Operation & Maintenance Manual, Revision 1.0
Page 23
DISPLAY
SCREENS
The
DATA
display
screen
shows
a
single
channel’s
information.
The
current
value
is
shown
in
calibrated
engineering
units.
A
horizontal
bargraph
tracks
the
current
value
and
shows
the
Alarm
1
and
Alarm
2
values
in
graphical
form.
The
user
‐
programmable
Engineering
Units
(“Eunits”)
and
programmable
Tag
Name
(“Measurement
Name”)
text
strings
are
shown
below
the
real
‐
time
reading.
If
the
channel
is
in
Alarm
1,
the
background
color
changes
to
YELLOW,
and
if
the
channel
is
in
Alarm
2,
the
background
color
changes
to
RED.
Figure 5-2 GASMAX DATA DISPLAY
Below
the
LCD
display,
two
LEDs
indicate
the
status
of
the
Ethernet
or
serial
MODBUS
communications
channels.
The
TREND
display
shows
a
graph
of
the
most
recent
30
minute
interval
for
the
channel
value.
The
graph
is
scaled
to
match
the
channels
zero
and
span
settings
and
shows
the
trend
line,
real
‐
time
value
and
Alarm
1
and
Alarm
2
settings
as
Yellow
and
Red
horizontal
lines.
Figure 5-3 GASMAX TREND DISPLAY
“UP/RESET”
“NEXT”
“DN/CAL”
“EDIT”
Current
Reading
Programmable
Engineering
Units
Programmable
Tag
Name
Current
Reading
Alarm
2
Level
Last
30
minute
trend
Alarm
1
Level