3.2 WATLOW Series 988 User’s Manual Front Panel and Display Loop, Chapter 3
Display Loop

Display Loop

The Display Loop is the “home” state of the Series 988 controller. Pressing

the Display key returns the controller to the Display Loop from any

prompt in any menu. The controller automatically returns to the Display

Loop from any menu when a minute passes without any keys being

pressed.

Figure 3.2 -
The Display Loop
DISPLAY
units selected (units, °F or °C)
set point 1 (change with Up-arrow > or Down-arrow < key)
input 2 process (appears only if controller equipped with input 2 hardware)
deviation from set point, process 1 minus set point 1 (DEV light on)
percent output (%OUT light on)
DISPLAY
current input 1 reading
current input 2 reading
current input 1 reading
current input 1 reading
current input 1 reading
DISPLAY
DISPLAY
DISPLAY
DISPLAY
[`988]
[`988]
[`988]
[Pr`2]
[`988]
[`988]
[`988]
[`100]
[`988]
[``°C]
˜
NOTE:
If [``no] is selected
for [`In2], in the
Input Menu, the
[Pr`2] prompt will
not appear.
˜
NOTE:
For information on
input 1 [`In1] and
input 2 [`In2]
ranges, refer to
Chapter 4.
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