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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.
C3.wc 5/14/1999 8:46 AM Page 3.2