Watlow Electric 988 用户手册

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

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

DISPLAY

[`988]

[Pr`2]

[`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