Omega CN9000A Series User Manual page 18

ITEM CONTROL/INDICATOR FUNCTION
1 LED Display
2 Deviation Indicators
12
TABLE 3-1
CONTROLS AND INDICATORS
The four-digit display normally
shows process temperature to 1°C
or 1°F resolution (for example,
197°F). However, if the CN9000A is
set for a tenth degree resolution (up
to 200°), the display shows the
temperatures in 0.1°C or 0.1°F
increments (for example, 197.3°F).
The display also shows the setpoint
value (flashing) and the Function
and Option numbers when in the
Set-Up Mode. Functions are the
available controller facilities (e.g.,
Derivative); Options are the
available values for each Function
(e.g., Derivative value-50 seconds).
When in the Set-Up Mode,
remember that the Function
numbers are on the RIGHT and the
Option numbers are on the LEFT of
the floating decimal point.
These three LEDs display the
difference between set point and
process temperatures in five steps,
each one representing 2% of full
scale value.
Flashing
Steady
Steady
Steady
Flashing
The error indicator can also be
used in high resolution (±1% steps)
or low resolution (±4% steps).
>3% above setpoint
1%-3% above setpoint
±1% about setpoint
1%-3% below setpoint
>3% below setpoint