Rosemount 3107, Reference Manual

Page: 34 / 148

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Reference Manual
00809-0200-4840, Rev BA
Section 4: Configuration
December 2014
Section 4: Configuration
Rosemount 3490 Series Control Unit
To ignore a false target echo:
1. From the Main Menu screen, select SETUP .
2. Select the transmitter (e.g. “ Tx1: 3107 ”).
3. Select ENGINEERING .
4. Select FALSE ECHO ACTION .
5. Select Learn False Echo .
6. Follow the on-screen instruction (“ Start ”) to ignore a false echo.
(Press the Enter ( ) key if prompted to change the mode to “off-line”).
7. Select “ Quit ” to exit to the previous menu.
Note

To clear all learned false echoes, see Clear False Echoes on page 75 .

To edit existing false echo data, see False Echo Data on page 74 .

Use the “ Auto Tank Map ” feature for automatic learning ( page 24 ).
4.2.5 Auto tank map
The transmitter can automatically map up to four echoes from false targets within an empty
tank. The tank needs to be empty so that echoes from all false targets are exposed.
Note

Set the Bottom Reference ( page 35 ) before using Auto Tank Map.
Field Communicator or AMS
To automatically map up to four echoes from
false targets:
1. From the Home screen, select 2: Configure .
2. Select 2: Manual Setup .
3. Select 6: False Echoes .
4. Select 7: Auto Tank Map .
5. Wait while the transmitter learns about the empty tank to ignore the false echoes. This
process takes less than one minute.
Note

When messages appear, take appropriate action if needed and press “ OK ”.
Fast Keys
2, 2, 6, 7
Esc=Quit =Start
LEARN FALSE ECHO
(Rosemount 3491 Screen)
False Echoes
1. Number of False Echoes
2. Distance D910
3. Echo Size D911
4. Target Echoes D913
5. Clear False Echoes
6. Learn False Echo
7. Auto Tank Map
8. False Echo Data
7. Auto Tank Map
SAVE HOME HELP
0
10.674 ft
75 %
5
(Field Communicator Screen)