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Reference Manual
IP2048/RM, Rev AA
Appendix F: Configuring Using HART
February 2015
F.4.3 Distance / Tertiary variable (TV) (D902)
This indicates the live distance-to-surface measured by the transmitter. In HART terminology,
this parameter is the Tertiary Variable (TV). Units are in metres, feet, or inches, depending on
base units (see page 90).
Note
Figure F-1 on page 106 shows this parameter in a tank geometry illustration.
Field Communicator
To view the live distance-to-surface measurement:
1. From the Home screen, select 3: Service Tools.
2. Select 2: Variables.
3. Select 1: Variables.
4. Select 3: Distance (TV) D902.
5. When finished, press EXIT to exit to the previous menu.
Mobrey MCU900 Series control unit
To view the live distance-to-surface measurement:
1. From the Main Menu screen, select MONITOR.
2. Select the transmitter (e.g. “Tx1:MSP400RH”).
3. Select READINGS, and then select VARIABLES.
4. Select Distance (TV).
5. When finished, press the ESC key to exit to the previous menu.
Fast Keys
3, 2, 1, 3
Level (SV) D901
36.540 ft
EXIT
HELP
(Field Communicator Screen)
Distance (TV) D902
1.690ft
(Mobrey MCU901 Screen)