Watlow Series 945 High/Low Limit Control - Manual (Page 13)

13
WATLOW Series 945 High/Low Limit User's Manual
Operation Parameters Value Range Factory Default
Target Set Point See explanation above.
ALO- Deviation dE -999
°
to 0
°
-999
Process Pr rL to AHI rL
AHI- Deviation dE 0
°
to 999
°
999
°
Process Pr ALO to rH rH
OFF
±
180
°
F /
±
100
°
C 0
Figure 15 -
The Operation Menu.
NOTE:
The Upper display
will always return to
the process value
after 1 minute
without key strokes.
ALO
AHI
OFF
Table 3 -
Operation Menu
Prompts and
Descriptions.
Operation Menu
Use this page as a master copy for your Series 945 Operation Parameters.
Do not enter any values here; make photocopies instead.
Target Set Point or Blank: Displays the target set point while using deviation
alarm only. Display remains blank while in the process alarm mode.
Alarm Low: This parameter represents the low process alarm or low deviation
alarm for the mechanical relay alarms.
Range: 0 to -999
°
F/0 to -999
°
C/0 to -999 Units Default: -999
°
F
If AtyP = Pr: Range: rL to AHI Default: rL
Alarm High: This parameter represents the high process alarm or high
deviation alarm for the mechanical relay alarms.
Range: 0 to 999
°
F/0 to 999
°
C/0 to 999 Units Default: 999
°
F
If AtyP = Pr: Range: ALO to rH Default: rH
Calibration Offset: Adds or subtracts degrees from the input signal.
Range:
±
180
°
F /
±
100
°
C Default: 0
Operation Parameters
M
ACt
ALO
AHI
CAL
( )
( )
( )
Represents target set point
for deviation alarms, or
remains blank
Mode Key
Operation
OFF