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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.3.10 Level offset (P069)
This defines the distance from the Tank Reference Point (TRP) to the transmitter’s Bottom
Reference. See Figure F-1 on page 137 for these points in a tank geometry illustration.
The read-only Level / Secondary Variable value (page 194) is calculated by adding the level offset
and the measured level.
Field Communicator or AMS Device
Manager
To view or change the level offset
1. From the Home screen, select 2: Configure.
2. Select 2: Manual Setup.
3. Select 2: Level.
4. Select 4: Level Offset P069.
5. If a change is required:
(a) Input the new level offset, and select “ENTER” to save it.
(b) Select “Send” or “Apply” to update the transmitter.
Note
When messages appear, take appropriate action if needed and select “OK”.
Rosemount 3490 Series Control Unit
To view or change the level offset
1. From the Main Menu screen, select SETUP.
2. Select the transmitter (e.g. “Tx1: 3102”).
3. Select DUTY.
4. Select Level Offset.
5. Follow the on-screen instructions to edit and save the new setting.
(Use the Enter ( ) key if prompted to change the mode to “off-line”).
6. Select “Quit” to exit to the previous menu.
Fast Keys
2, 2, 2, 4
Level Offset P069
0.000 ft
0.000 ft
ESC
DEL ENTER
HELP
w
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Lock
Shift
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x
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c
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f
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0
7
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1
8
5
2
9
6
3
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FN
(Field Communicator Screen Shown)
Level Offset P069
0.0000ft
Esc=Quit =Edit
(Rosemount 3491 Screen Shown)