ABB C320 User Manual page 19

Booster pump controller
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...3.6 Scale Adjustment Page
from previous page
P–rSt
no
P–OFS
––––
P–SPN
––––
3 CONFIGURATION LEVEL...
Pasteurized Input Scale Adjustment Reset
Select YES and press
offset and span values to their nominal values. dONE is
displayed to indicate that these parameters have been
reset.
Pasteurized Input Offset Adjustment
Apply the correct input for the spot calibration required.
Note. The displayed units are engineering units.
Set the value required. The decimal point position is set
automatically.
Example – If the display range is 0.0 to 20.0 and a spot
calibration is required at 5.0 and 15.0 inject a signal
equivalent to 5.0 and set the display to 5.0.
Pasteurized Input Span Adjustment
Proceed as for
Raw Input Offset Adjustment
correct input for the spot calibration required. Engineering
units are displayed.
Set the value required. The decimal point position is set
automatically.
For the Example above inject a signal equivalent to 15.0
and set the display to 15.0.
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to reset the process variable
and apply the
17

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