Emerson Rosemount 644 with HART Protocol, Справочное руководство

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Local Operator Interface
July 2018
Reference Manual
00809-0200-4728, Rev SA
Local Operator Interface
98
Usage notes:

It is possible to move backwards in the number by scrolling to the left and pressing enter. The left
arrow appears as such in the LOI:
;

The negative symbol is only allowed in the left most position.

The Over score character “¯ “is used in the LOI to enter a blank space for Tag entry.
C.2 Text entry
Text can be entered with the LOI. Depending on the edited item, up to eight locations on the top line can
be used for text entry. Text entry follows the same rules as the number entry rules in
“Number entry” on
page 97 , except the following characters are available in all locations: A-Z, 0-9, -, /, space.
C.2.1 Scrolling
When it is desired to move more quickly through the list of menu choices or alpha numeric characters
without individual button presses, a faster scrolling technique is available. Scrolling functionality allows
the user to walk through any menu in forward or reverse order, enter text or digits easily and quickly.
Menu scrolling

Simply hold down the left button after it brings you to the next menu item, each of the proceeding
menus will be shown one after another while the button is pressed down. For an example, see
Figure C-1 .
Text or digit entry scrolling

Quickly navigate through number and text menu lists by holding down the left button the same as in
Menu.
12
Press the enter button to select the decimal, “.”, for the seventh digit.
After pressing enter, all digits to the right of the decimal will now be
zero. The eighth digit from the left will now be blinking.
000011.0
13
Press the scroll button to navigate through the numbers until the “2”, is
on the screen.
000011.2
14
Press the enter button to select the “2” for the eighth digit. The number
entry will be complete and a “SAVE” screen will be shown.
000011.2
Table C-1. LOI Number Entry
Step Instruction
Current position
(indicated by underline)