
236 UDC 6300 Process Controller Product Manual 1/03
6.12 Restoring Factory Calibration
How to restore it
The factory calibration constants for all the input actuation types that can
be used with the controller are stored in its nonvolatile memory. Thus,
you can quickly restore the “Factory Calibration” for a given input
actuation type by simply changing the actuation type to another type and
then changing it back to the original type. See Table 6-10 for the
procedure.
INPUT 1, 2, 3, or 4
change Function Prompt “XMITTERn” (n=1, 2, 3, or 4)
INPUT 5
change Function Prompt “IN 5 TYPE”
ATTENTION
This procedure applies only for factory-installed inputs. Input 5 that was
field-installed must be field calibrated.
Procedure
Table 6-10 lists the procedure for restoring factory calibration.
Table 6-10 Restoring Factory Calibration
Step Operation Press Action/Result
1
Set
“LOCKOUT”
to “CALIB” or
“NONE”
SET
UP
Until you see:
Upper Display
Lower Display
SET UP
TUNING
FUNC
L1/L2
Until you see:
Upper Display
Lower Display
LOCKOUT
One of the following
NONE
CALIBRATE
+ CONF
MAXIMUM
+ VIEW
or
Until “CALIBRATE” or “NONE” is in the
upper display.
2
For INPUTS 1 THROUGH 4 go to step 3
For INPUT 5 go to step 4
Table 7-1 is continued on next page
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