51
Reference Manual
00809-0200-4840, Rev BA
December 2014
Section 4: Configuration
4.3.14
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 Rosemount 3490 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 or AMS
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.
Select new units, and then press “
ENTER
” to save
the selection.
6.
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).
Rosemount 3490 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: 3107
”).
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 the 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
(Rosemount 3491 Screen)
Содержание 3107
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