65
Reference Manual
00809-0200-4840, Rev BA
December 2014
Section 4: Configuration
Note
The threshold value can be adjusted in conjunction with parameters
Upper Blanking
),
Lower Blanking
(
Threshold 1 Time
(
),
and
Threshold 1 Size
Field Communicator or AMS
To view or change the threshold setting:
1.
From the
Home
screen, select
2: Configure
.
2.
Select
2: Manual Setup
.
3.
Select
7: Advanced Processing
.
4.
Select
2: Threshold
.
5.
Select
2: Set Threshold
.
6.
Select
1: Set to Automatic (NaN)
for automatic (dynamic) adjustments.
7.
Alternatively, select
2: Edit to fix threshold
, input a threshold percentage, and then
save it by pressing “
ENTER
”.
Note
When messages appear, take appropriate action if needed and press “
OK
”.
Fast Key sequence 2, 2, 8 indicates the status
Threshold Is Fixed
(
OFF
/
ON
) and the
status
Threshold Is Not Optimum
(
OFF
/
ON
).
Rosemount 3490 Series Control Unit
To view or change the threshold setting:
1.
From the
Main Menu
screen, select
SETUP
.
2.
Select the transmitter (e.g. “
Tx1: 3107
”).
3.
Select
ENGINEERING
, and then select
Set Threshold
.
4.
Follow the on-screen instructions to edit and save the new setting.
(Press the
Enter
(
) key if prompted to change the mode to “off-line”).
5.
Select “
Quit
” to exit to the previous menu.
Set Threshold (NaN %)
NaN
ESC
DEL
ENTER
HELP
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Shift
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.
0
7
4
1
8
5
2
9
6
3
i
k
o
l
FN
(Field Communicator Screen)
Set Threshold P026
Auto %
Esc=Quit =Edit
(Rosemount 3491 Screen)
Содержание 3107
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