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Reference Manual
IP2048/RM, Rev AA
Appendix F: Configuring Using HART
February 2015
F.3.10 Level offset (P069)
This defines the distance from the Tank Reference Point (TRP) to the transmitter’s Bottom
Reference.
Note
See Figure F-1 on page 106 for these points in a tank geometry illustration.
The read-only Level / Secondary Variable value (page 148) is calculated by adding the level
offset and the measured level.
Field Communicator
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 press “ENTER” to save it.
(b) Press “SEND” to update the transmitter.
Note
When messages appear, take appropriate action if needed and press “OK”.
Mobrey MCU900 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: MSP400RH”).
3. Select DUTY.
4. Select Level Offset.
5. 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”).
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
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Shift
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0
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FN
(Field Communicator Screen)
Level Offset P069
0.0000ft
Esc=Quit =Edit
(Mobrey MCU901 Screen)