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Reference Manual
00809-0100-4840, Rev CB
Appendix F: Programming the 3102 and 3105 using HART
February 2015
Programming the 3102 and 3105 using HART
F.3.40 False echo data (P081 to P088)
These parameters are the four false echo data records, each storing a false echo as
distance-to-surface (e.g. 1.7 m) and echo size (e.g. 44%). The transmitter ignores these false
target echoes. See also:
Section "Learn false echo" on page 122.
Section "Auto tank map" on page 124.
Field Communicator or AMS Device
Manager
To view or change the false echo data
1. From the Home screen, select 2: Configure.
2. Select 2: Manual Setup.
3. Select 6: False Echoes (3105) or
7: False Echoes (3102).
4. Select 8: False Echo Data.
5. Select 1 to 8 for the distance-to-surface or
echo size data of a false echo record, as appropriate.
6. If a change is required:
(a) Select a new setting, and then select “ENTER” to save it.
(b) Select “Send” or “Apply” to update the transmitter.
Rosemount 3490 Series Control Unit
To view or change the false echo data
1. From the Main Menu screen, select SETUP.
2. Select the transmitter (e.g. “Tx1: 3102”).
3. Select ENGINEERING.
4. Select FALSE ECHO DATA.
5. Select a menu option for the distance-to-surface or echo size data of a false echo
record, as appropriate.
6. Follow the on-screen instructions to edit and save the new setting.
(Use the Enter ( ) key if prompted to change mode to “off-line”).
7. Select “Quit” to exit to the previous menu.
Fast Keys
2, 2, 6 [or 7], 8
First Distance P081
0.000 ft
0.000
ESC
DEL ENTER
HELP
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First Size P082
0 %
0
ESC
DEL ENTER
HELP
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(Field Communicator Screens Shown)
False Echo D1 P081
0.0000ft
Esc=Quit =Edit
False Echo S1 P082
0%
Esc=Quit =Edit
(Rosemount 3491 Screens Shown)
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