Use the following figures to learn the nature and function of the Series 920s
keys and displays.
Figure
5
-
Series 920 Front
Panel Information.
Actual and Alphanumeric Display Area
°F
LED
When DIP switch
#6
is
OFF, it indicates the value
in the ACTUAL display is
temperature in degrees
ACTUAL Display
X,
Shows the actual value
of the process variable
up to four digits.
Figure 6
-
Actual and
Alphanumeric
Display
Front Panel
lnformation.
Fahrenheit. When DIP
switch
#6
is ON, it indicates
Output 1 is energized.
When DIP switch
#6
is
OFF, both
°F
and
°C
LEDs
are OFF. The 920
is displaying Process
Variable Units
(PVUs).
°C
LED
When DIP switch
#6
is
I
Alphanumeric Display
Shows entry prompts
and the parameter
values in alphanumerics.
OFF, it indicates the value
in the ACTUAL display is
temperature in degrees
Celsius. When DIP switch
#6
is ON, this LED indicates
Output 2 is energized.
12
WATLOW Series 920
User's
Manual
How to Use Keys
and
Displays, Chapter
2
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