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OMNI 4000/7000 Operations and Maintenance Guide
– Rev F
7-26
Maintenance
5.
Use the
Up
or
Down
arrow navigation
keys to scroll through the available
channels or variables to calibrate.
a. Press
OK
or the
Accept
function key
to continue.
b. Press the
Cancel
function key to
abort the calibration process.
6.
Use the
Up
or
Down
arrow navigation
keys to scroll to each field.
Press
OK
to enter the edit mode for the
selected field, and edit the values or
selections as needed:
a. Choose the
Calibration Units
from
the drop-down list (for example,
mA, Ohms).
b. Type in the desired
Override Value
in engineering units.
After editing each field, press
OK
or the
Accept
function key to continue.
•
Selected Input?
displays the channel number or process variable name selected
for calibration.
•
Calibration Units?
appears only after an input has been selected.
•
Override Value?
will not appear under the PI menu selection if the channel
number has not yet been assigned in the flow computer configuration. The flow
computer will use the engineering value in its flow calculations while the input
channel is being calibrated.
7.
Verify that the signal wiring is properly
connected to the appropriate input channel
at the Terminal Block on the flow computer
back panel.
8.
Press the
Start
function key to begin
the calibration.