7
Controller Key Functions
Figure
4
:
Dual Di
splay Controller
1.
Setpoint Display
: Displays the SV (setpoint value). The SV is
the setpoint entered by the operator.
2.
Process Display
: Displays the PV (process value). The PV is
the actual temperature of the system being controlled.
3.
o
F Lamp
: Lit when the temperatures displayed are in degrees
Fahrenheit.
4.
o
C Lamp
: Lit when the temperatures displayed are in degrees
Celsius.
5.
Percent Lamp
: Lit when controller is programmed to display
percentage of output power.
6.
Hold Lamp
: Lit when Ramp/Soak program functions are
suspended.
7.
ENTER
: Pressing ENTER stores the value or the item changes.
If not pressed, the previously stored value or item will be
retained. The display will flash once when ENTER is pressed.
8. This decimal point flashes when
SELF-TUNE
is operating.
9.
DOWN ARROW
: Decrements a value, changes a menu item,
or selects the item to OFF. The minimum value obtainable is -
1999 regardless of the decimal point placement.
