72
Reference Manual
00809-0100-4140, Rev AA
January 2017
To start the on-site calibration (using LOI)
1.
Press any LOI button to activate the menu.
(See
for assistance with using the LOI buttons).
2.
Scroll down (
) and then select
EXTENDED MENU
(
).
3.
Select
CALIBRATE
(
).
4.
Scroll down (
) and then select
ANALOG TRIM
(
).
5.
Follow on-screen instructions to perform the calibration of 4 mA and 20 mA.
6.
Exit the menu system by either waiting one minute for the
EXIT MENU?
prompt, or
scrolling down the menus to find and select
BACK TO MENU
and
EXIT TO MENU
.
Note
When messages about the loop appear, take appropriate safe action and select “
”.
See
“Configuration basics” on page 10
for further information.
5.3.3
Restoring factory calibration of the analog output
The Recall Factory Trim—Analog Output command allows the restoration of the as-shipped
factory settings of the analog output trim. This command can be useful for recovering from
an inadvertent trim, incorrect Plant Standard or faulty meter. It is accessible after a site
calibration has been performed, but should only be performed by authorized persons.
To restore the factory calibration (Field Communicator)
1.
From the Home screen, select
3: Service Tools
.
2.
Select
4: Maintenance
>
4: Calibrate Analog
.
3.
Select
3: Restore Factory Calibration
.
4.
Follow on-screen instructions to restore the calibration.
Note
A
Restore Site Calibration
command becomes available afterwards.
Note
When messages about the loop appear, take appropriate safe action and select “OK”.
See
“Configuration basics” on page 10
for further information.
Fast Keys
3, 4, 4, 3
Summary of Contents for Rosemount 2140
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Page 14: ...4 Reference Manual 00809 0100 4140 Rev AA Introduction January 2017 Introduction ...
Page 112: ...102 Reference Manual 00809 0100 4140 Rev AA Troubleshooting January 2017 Troubleshooting ...
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