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Reference Manual
IP2048/RM, Rev AA
Appendix F: Configuring Using HART
February 2015
F.3.14 Primary variable units (P012)
This selects alternative display units for the HART Primary Variable (PV), which are then reported
to a HART Master Device such as a Mobrey MCU900 Series control unit.
Note
Selecting alternative display units does not automatically re-scale the PV value. Use the
parameter PV Scale Factor to manually re-scale the value.
Field Communicator
To view or change the displayed units for the PV:
1. From the Home screen, select 2: Configure.
2. Select 2: Manual Setup.
3. Select 3: Profiling.
4. Select 1: Primary Variable Units P012.
5. If a change is required:
(a) Select new units, and then press “ENTER” to save the selection.
(b) Press “SEND” to update the transmitter.
Note
If the HART PV has no units, select and confirm the “None”, “Unknown”, or “Not Used”
option as appropriate for the HART Master Device (host).
Mobrey MCU900 Series control unit
To view or change the displayed units for the PV:
1. From the Main Menu screen, select SETUP.
2. Select the transmitter (e.g. “Tx1:MSP400RH”).
3. Select UNITS.
4. Select PV Units.
5. Follow the on-screen instructions to select and confirm the new setting.
If the HART PV has no units, select and confirm the “None” option.
(Press the Enter ( ) key if prompted to change mode to “off-line”).
6. Select “Quit” to exit to the previous menu.
Fast Keys
2, 2, 3, 1
Primary Variable Units P012
ft
Cum
Cum/h
Cum/s
ft
gal/min
Impgal
Impgal/d
ft
ENTER
ESC
(Field Communicator Screen)
PV Units P012
ft
Esc=Quit =Edit
(Mobrey MCU901 Screen)