Part D301648X012
July 2015
Liquid Allocation Program for Continuous Flow
(for FloBoss
User Manual
™
107 Flow Managers)
Remote Automation Solutions
Liquid Allocation Program for Continuous Flow User Manual
Revision Tracking Sheet
July 2015
This manual may be revised periodically to incorporate new or updated information. The revision date of each
page appears at the bottom of the page opposite the page number. A change in revision date to any page also
changes the date of the manual that appears on the front cover. Listed below is the revision date of each page (if
applicable):
Page Revision
All pages July-15
All pages May-11
Initial release Sep-09
ii Rev. July-15
Liquid Allocation Program for Continuous Flow User Manual
Contents
Page
Chapter 1 – Introduction 1
1.1 Scope and Organization........................................................................................................ 1
1.2 Product Overview .................................................................................................................. 2
1.3 Program Requirements ......................................................................................................... 3
Chapter 2 – Installation 5
2.1 Installing the License Key ..................................................................................................... 5
2.2 Downloading the Program .................................................................................................... 7
Chapter 3 – Configuration 11
3.1 Liquid Preferences Screen .................................................................................................. 12
3.2 Liquid Products Screen ....................................................................................................... 14
3.2.1 Liquid Products – Product Definition Tab .............................................................. 16
3.2.2 Liquid Products – Advanced Tab ........................................................................... 18
3.3 Liquid Meters Screen .......................................................................................................... 20
3.3.1 Liquid Meters – General Tab ................................................................................. 21
3.3.2 Liquid Meters – Inputs Tab .................................................................................... 23
3.3.3 Liquid Meters – Advanced Tab .............................................................................. 26
3.3.4 Liquid Meters – Alarms Tab ................................................................................... 29
3.3.5 Liquid Meters – Flow Rates Tab ............................................................................ 31
3.3.6 Liquid Meters – Flow Totalizers Tab ...................................................................... 34
3.3.7 Liquid Meters – Densities Tab ............................................................................... 37
3.3.8 Liquid Meters – Day/Month Totalizers Tab ............................................................ 41
3.4 Liquid Density Interfaces Screen ........................................................................................ 44
3.4.1 Liquid Density Interfaces – General Tab ............................................................... 46
3.4.2 Liquid Density Interfaces – Inputs Tab................................................................... 48
3.4.3 Liquid Density Interfaces – Micro Motion Constants Tab ...................................... 50
3.4.4 Liquid Density Interfaces – UGC Constants Tab ................................................... 52
3.4.5 Liquid Density Interfaces – Alarms Tab ................................................................. 54
3.5 Saving the C onfiguration ..................................................................................................... 56
4 – Reference 59
4.1 Density Ranges for Liquid Product Types ........................................................................... 60
4.2 Liquid Allocation History ...................................................................................................... 62
4.2.1 Typical History Setup ............................................................................................. 63
4.3 Point Type 22: Liquid Preference Parameters .................................................................... 65
4.4 Point Type 23: Liquid Product Parameters ......................................................................... 68
4.5 Point Type 25: Liquid Meter Parameters ............................................................................ 70
4.6 Point Type 26: Density Interface Parameters ..................................................................... 97
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Liquid Allocation Program for Continuous Flow User Manual
Chapter 1 – Introduction
This chapter describes the structure of this manual and presents an
overview of the Liquid Allocation Program for Continuous Flow for the
FloBoss 107 (FB107).
1.1 Scope and Organization
This document is the user manual for the Liquid Allocation Program for
Continuous Flow (1LK-7) for use in the FB107, and the user manual for
the Liquid Allocation Program for Continuous Flow (QER 10Q006) for
use in the FB107 with Measurement Canada firmware.
Notes:
The standard version of this program (1LK-7) only works with the
standard version of FB107 firmware.
The Measurement Canada version of this program (QER 10Q006)
only works with the Measurement Canada version of FB107 firmware.
This manual describes how to download and configure this program
(referred to as the “Liquid Allocation program” or “the program”
throughout the rest of this manual).
You access and configure this program using ROCLINK™ 800
Configuration Software (version 1.80 or greater) loaded on a personal
computer (PC) running Windows® 8 or Windows 7 (32 or 64-bit).
The sections in this manual provide information in a sequence appropriate
for first-time users. Once you become familiar with the procedures and the
software running in a FB107, the manual becomes a reference tool.
This manual has the following major sections:
Chapter 1 – Introduction
Chapter 2 – Installation
Chapter 3 – Configuration
Chapter 4 – Reference
This manual assumes that you are familiar with the FB107 and its
configuration. For more information, refer to the following manuals:
FloBoss 107 Flow Manager Instruction Manual (Form A6206)
ROCLINK 800 Configuration Software User Manual (for FB107)
(Form A6217)
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1.2 Product Overview
The Liquid Allocation program allows a FB107 to interface with up to two
meter runs passing liquid hydrocarbon fluids or water. These meter runs
are in addition to the meter runs provided by the FB107 Application
Firmware. The flowing densities (and optionally, base densities) of the
liquid hydrocarbon or water are calculated based on temperatures and
pressures using one or more of the following standards:
API Standard 2540 [Chapter 11.1] (1980) Volume X, Reaffirmed,
October 1993.
The Institute of Petroleum, Petroleum Measurement Paper No. 3,
October, 1988.
API Chapter 11.2.1 – Compressibility Factors for Hydrocarbons: 0 –
90 Degrees API Gravity Range (1st Edition, August 1984),
Reaffirmed, May 1996.
API Chapter 11.2.2 – Compressibility Factors for Hydrocarbons: 0.350
– 0.637 Relative Density (60°F/60°F) and -50°F to 140°F Metering
Temperature (2nd Edition, October 1986).
API Chapter 11.2.1M – Compressibility Factors for Hydrocarbons:
638 – 1074 Kilograms per Cubic Metre Range (1st Edition, June,
1984), Reaffirmed, May 1996.
API Chapter 11.2.2M – Compressibility Factors for Hydrocarbons:
350 – 637 Kilograms per Cubic Metre Density (15°C) and -46°C to
60°C Metering Temperature (1st Edition, October 1986), Reaffirmed,
March, 1997.
API MPS (Manual of Petroleum Measurement Standards) Chapter 11
– Physical Properties Data Section 1, Temperature and Pressure
Volume Correction Factors for Generalized Crude Oil, Refined
Products, and Lubricating Oils, May 2004.
Gas Processors Association (GPA) TP-27, Temperature Correction for
the Volume of NGL and LPG, Section 5, January, 2005.
API MPS (Manual of Petroleum Measurement Standards) Chapter 11
– Physical Properties Data, Section 4 – Properties of Reference
Materials, Part 1 – Density of Water and Water Volumetric Correction
Factors for Water Calibration of Volumetric Provers, First Edition,
December 2003.
Meter types can be either differential or linear. The calculation standard
used for differential meters is ISO5167. The calculation used for linear
meters is based on AGA Report No. 11. Volume and mass flow rates and
totals are calculated and stored for both meter types. The program uses
user-defined point types for storing the calculated flow rates and
accumulations. The program’s user-defined point types are also the
location where the configuration parameters reside.
The Liquid Allocation program also supports up to two liquid density
interface points. The liquid density interface points allow for manual
density inputs; density inputs from densitometers; frequency inputs from a
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Liquid Allocation Program for Continuous Flow User Manual
Micro Motion (or Solartron) 7830/40 or 7835/45/46/47; and UGC
densitometers. The density value determined from the density input is
referred to as the observed density. The base density of the liquid
hydrocarbon passing through a meter can be specified to be calculated
from the observed density.
1.3 Program Requirements
You download the Liquid Allocation program to—and then run it from—
the Flash and RAM memory on the FB107 with firmware version 1.30 (or
greater). Because the program is larger than 64K, it occupies two user C
program numbers (1 & 2). Download and configure the program using
ROCLINK 800 Configuration software version 1.84 (or greater).
The downloadable program is:
File Name
LiquidAlloc_1.bin
(1LK-7)
LiquidAlloc_1.bin
(QER 10Q006)
Target Unit/
Version
FB107 1.30 22, 23, 25, 26 94,560 32,768 1.84 23, 24, 26, 27
FB107
with MC
Firmware
1.00
User Defined
Points (UDP)
22, 23, 25, 26 94,560 32,768 1.84 23, 24, 26, 27
Flash Used
(in bytes)
DRAM Used
(in bytes)
ROCLINK 800
Version
Display
Number
Note: You must connect a PC to the FloBoss’s LOI port before starting
the download.
For information on viewing the memory allocation of user programs, refer
to the ROCLINK 800 Configuration Software User Manual (for FB107)
(Form A6217).
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Chapter 2 – Installation
This section provides instructions for installing the Liquid Allocation
program into the FB107. Read Section 1.3 of this manual for program
requirements.
Note: The program and license key can be installed in any order. The
manual shows the installation of the license key first.
2.1 Installing the License Key
A license key (1LK-7) is required to use the Liquid Allocation program.
To install a USB key-based license on the FB107:
1. Insert the USB license key in a USB port on your PC.
2. Select Utilities > License Key Administrator > Transfer Between
Device and Key from the ROCLINK 800 menu bar. The Transfer
Licenses Between a Device and a Key screen displays.
Figure 1. Transfer Licenses Between a Device and a Key
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Liquid Allocation Program for Continuous Flow User Manual
Note: This screen has three sections. The upper portion (Licenses on
Device) shows any software licenses installed on the FB107. The
middle portion (Licenses on Key) shows software licenses on the
license key. The lower portion of the screen (License Key Event
Log) provides a rolling log of the last eight events related to this
license key.
3. Select the key-based license you want to transfer to the FB107 (Liquid
Alloc, as shown in Figure 1).
4. Click Move to Device. ROCLINK moves one instance of the license
from the key to the FB107 and updates the screen.
Figure 2. License Installed
Note: An FB107 can hold up to six different licenses, although you can
install only one instance of each license on the FB107. When you
click Move to Device, ROCLINK 800 moves only one instance of
the license onto the FB107 and automatically decreases the license
quantity on the USB key by one.
5. Verify the license name displays in the Licenses on Device section of
the screen. Proceed to Section 2.2 to download the user program.
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2.2 Downloading the Program
This section provides instructions for installing the user program into
FloBoss memory.
Note: Connect a PC to the FloBoss’s LOI port before starting the
download.
To download the user program:
1. Start and logon to ROCLINK 800.
2. Select ROC > Direct Connect to connect to the FloBoss unit.
3. Select Utilities > User Program Administrator from the ROCLINK
menu bar. The User Program Administrator screen displays (see
Figure 3):
Figure 3. User Program Administrator
4. Click Browse in the Download User Program File frame. The Select
User Program File screen displays (see Figure 4).
5. Select the path and user program file to download from the CD-ROM.
(Program files are typically located in the Program Files folder on the
CD-ROM). As Figure 4 shows, the screen lists all valid user program
files with the .BIN extension:
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Figure 4. Select User Program File
6. Click Open to select the program file. The User Program
Administrator screen displays. As shown in Figure 5, note that the
Download User Program File frame identifies the selected program
and that the Download & Start button is active:
Figure 5. User Program Administrator
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7. Click Download & Start to begin loading the selected program. The
following message displays:
Figure 6. Confirm Download
Note: For the FB107, ROCLINK 800 assigns program positions based on
memory allocations. For this reason, the Liquid Alloc program
automatically installs as program 1. Because the program is larger
than 64K, it occupies two user C program numbers (1 & 2).
8. Click Yes to begin the download. During the download, the program
performs a warm start, creates an event in the event log, and—when
the download completes—displays the following message:
Figure 7. ROCLINK 800 Download Confirmation
9. Click OK. The User Program Administrator screen displays (see
Figure 8). Note that:
The User Programs Installed in Device frame identifies the loaded
program.
The Status field indicates that the program is running.
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Figure 8. User Program Administrator
10. Click Close and proceed to Chapter 3 to configure the program.
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Chapter 3 – Configuration
After you download and start the Liquid Allocation program, you
configure the program and view calculation results using ROCLINK 800
software. To do this you use four program-specific screens (Liquid
Preferences, Liquid Products, Liquid Meters, and Liquid Density
Interfaces):
Use the Liquid Preferences screen to set the units of the inputs and
calculated results values.
Use the Liquid Products screen to configure up to two liquid
hydrocarbon or water products which can be selected as the fluid
passing through a liquid meter run.
Use the Liquid Meters screen to configure and view the results for up
to two liquid meter runs through which one of the liquid products
defined by the Liquid Products screen flows. One of the configuration
items is to specify if the base density for the product passing through
the meter is to be calculated from a Liquid Density Interface point, or
to use the user-specified base density for the liquid product.
Use the Liquid Density Interface screen to configure and view the
observed densities for up to two liquid density interface points.
Figure 9. ROCLINK 800
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3.1 Liquid Preferences Screen
Once you have successfully loaded the Liquid Allocation program into the
FloBoss, you can access the Liquid Preferences screen and configure the
units for the inputs and calculated results for the program.
To access this screen:
1. Click User Program > Liquid Alloc from the ROCLINK
configuration tree.
2. Double-click Display #23, Liquid Preferences. The Liquid
Preferences screen displays:
Figure 10. Liquid Preferences Screen
3. Review the values in the following fields:
Field Description
Program Status
Temperature
Units
Pressure Units
12 Configuration Rev. July-15
This read-only field shows the current status for the
Liquid Allocation program. Possible statuses are
Program Running and License Not Found (you must
install a Liquid Alloc license key to use the program).
Sets the units of all temperature inputs. Valid
selections are Deg F and Deg C.
Sets the units of all pressure inputs. Valid selections
are Psi, kPa, Bar, and Kg/cm2.
Liquid Allocation Program for Continuous Flow User Manual
Field Description
Units for Orifice
Meters
The following units are applicable if the meter type of a
liquid meter is specified as orifice, in which case ISO5167-2003 is used as the flow calculation standard.
Diameter Units
Viscosity Units
Volume Units
Mass Units
Flow Rate Time
Units
Elevation Units
Diff Press Units
Sets the units for all volume flow rates and total
values. Valid selections are Bbl, Mcf, Km3, Gal, ft3,
m3, and Liter.
Sets the units for all mass flow rates and totals. Valid
selections are Lb, Kg, Ton, Tonne, and Mlb.
Sets the time units for all volume and mass flow rates.
Valid selections are Per day, Per hour, Per minute,
Per second.
Sets the units for the elevation used to determine the
atmospheric pressure when the latter is specified to
be calculated. Valid selections are Feet and Meters.
Sets the units of the differential
flow input. Valid selections are
InH2O, kPa, mBar, and mmH2O.
(Units of InH2O and mmH2O are
based on a water temperature of
60 Deg F).
Sets the units for the meter and
pipe orifice diameters. Valid
selections are Inch and millimeter.
Sets the units for the viscosity of
the fluid. Valid selections are Lb/ftsec and Cp.
Base and
Flowing Density
Units
Observed
Density Units
Sets the units for the base and flowing densities. Valid
selections are Kg/m3, Relative Density, and API
Gravity.
Sets the units for the density determined by the
density interface point (observed density). Valid
selections are Kg/m3, g/cm3, Lb/ft3, Lb/bbl, Lb/gal,
Relative Density, and API Gravity.
4. Click Apply to save your changes, and proceed to Section 3.2 to
configure the Liquid Products.
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3.2 Liquid Products Screen
Use this screen to specify up to two liquid products that could flow
through the liquid meters.
To access this screen:
1. Click User Program > Liquid Products from the ROCLINK
configuration tree.
2. Double-click Display #24, Liquid Products.
3. Double-click #1, Product #1. The following screen displays:
Figure 11. Liquid Products Screen
Note: Two fields at the top of the screen (Point Number and Product
Tag) appear on both tabs.
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4. Review—and change as necessary—the values in the following fields:
Field Description
Point Number
Selects the liquid product to configure. Click to
display all of the products. Clicking a different liquid
product causes the screen to display the values for
that product.
Product Tag
Sets a unique identifier for the selected liquid product.
5. Click Apply to save any changes, and proceed to Section 3.2.1 to
configure the Values tab.
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3.2.1 Liquid Products – Product Definition Tab
Use this tab (which displays when you access the Liquid Products screen)
to specify the liquid type, API table, and the base density of a liquid
product.
Figure 12(a). Liquid Products, Product Definition tab
(Liquid Type is Not Light Hydrocarbon or Water)
Figure 12(c). Liquid Products, Product Definition tab
Figure 12(b). Liquid Products, Product Definition tab
(Liquid Type is Water)
(Liquid Type is Light Hydrocarbon)
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1. Review—and change as necessary—the values in the following fields:
Field Description
Liquid Type
Sets the type of fluid associated with this product
number. Valid selections are Crude Oil, Gasoline, Jet
Fuel, Fuel Oil, Lube Oil, Special Application, Light
Hydrocarbon, and Water.
Note: See Section 4.1 for density ranges and
additional information about the liquid types.
API Table
Base Density
If the Liquid Type is anything other than light
hydrocarbon or water (Crude Oil, Gasoline, Jet Fuel,
Fuel Oil, Lube Oil, or Special Application), select the
appropriate the API table to use for calculations. Valid
selections are 1980 and 2004.
If the Liquid Type is light hydrocarbon, this field
shows that the GPA TP-27 table is being used for
calculations.
If the Liquid Type is water, this field shows that the
API Table 11.4.1 (2003) is being used for calculations.
Sets the density of the liquid product at the base
temperature and base (or equilibrium) pressure. The
units are as specified by the base and flowing density
units selected on the Liquid Preferences screen.
Note: This value is only used if the base density
option on the Inputs tab of the Liquid Meters
screen is set to use the base density of the
product.
2. Click Apply to save any changes and proceed to Section 3.2.2 to
configure the Advanced tab.
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3.2.2 Liquid Products – Advanced Tab
Use this tab to specify additional information, as appropriate for the liquid
products.
To access this screen:
1. Select the Advanced tab on the Liquid Products screen. One of the
following four screens displays:
Figure 13(a). Liquid Products, Advanced tab
(All Liquid Types and API Table 1980 or
GPA TP-27, except Special Application and Water)
Figure 13(c). Liquid Products, Advanced tab
(All Liquid Types and API Table 2004 and water, except
Special Application)
Figure 13(b). Liquid Products, Advanced tab
(Liquid Type of Special Application and API Table 1980)
Figure13(d) Liquid Products, Advanced tab
(Liquid Type of Special Application and API Table 2004)
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Liquid Allocation Program for Continuous Flow User Manual
2. Review—and change as necessary—the values in the following fields:
Field Description
User Defined
Alpha
Sets the coefficient of thermal expansion (alpha) to
use when determining the flowing density from the
base density. The units are 10
3
times the volume
fraction per temperature unit; the temperature units
being specified on the Liquid Preferences screen.
Note: This field only displays if the liquid type is
special application.
Compressibility
Options
Sets the option for correcting for the pressure effect
when determining the flowing density from the base
density. Valid selections are Auto Select
Compressibility Table, API Chapter 11.2.1, API
Chapter 11.2.2, and User Defined Compressibility.
Note: This field only displays when the API Table is
1980 or the liquid product is light
hydrocarbon.
User Defined F
Sets the compressibility (F) for the liquid product. If
the base temperature is 60 Deg F, the units are 10
5
times the volume fraction per pressure unit. If the
base temperature is 15, 20, or 30 Deg C, the units are
6
10
times the volume fraction per pressure unit. The
pressure units are specified on the Liquid Preferences
screen.
Note: This field only displays when the
compressibility option is specified as user
defined compressibility.
3. Click Apply to save any changes.
4. Click Close to close this screen. Proceed to Section 3.3 to configure
the liquid meters and view the calculated values.
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Liquid Allocation Program for Continuous Flow User Manual
3.3 Liquid Meters Screen
Use this screen to configure up to two liquid meter runs and observe the
calculated values.
To access this screen:
1. Click User Program > Liquid Alloc from the ROCLINK
configuration tree.
2. Double-click Display #26, Liquid Meters. The Liquid Meters screen
displays:
Figure 14. Liquid Meters Screen
Note: Two fields at the top of the screen (Point Number and Tag) appear on all tabs.
3. Review—and change as necessary—the values in the following fields:
Field Description
Point Number
Tag
4. Click Apply to save any changes, and proceed to Section 3.3.1 to
Selects the liquid meter run to configure. Click to
display all of the liquid meters runs. Clicking a
different meter run causes the screen to display the
values for that meter run.
Sets a unique identifier for the selected liquid meter.
configure the General tab.
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3.3.1 Liquid Meters – General Tab
Use this tab (which appears when you access the Liquid Meters screen) to
specify a liquid meter’s description, liquid product passing through it,
meter type, base temperature, and base (or vapor) pressure. Any active
alarms are also shown on this tab.
Figure 15. Liquid Meters, General tab
1. Review—and change as necessary—the values in the following fields:
Field Description
Meter
Description
Product
Selection
Meter Type
Sets a description for the liquid meter, up to 30
alphanumeric characters.
Sets the product, as defined on the Liquid Products
screen, associated with the liquid meter. Click to
display additional products. The liquid type and its tag
display to the right of the selected product.
Sets the type of meter for the liquid meter run. Valid
selections are Linear and Orifice.
Notes:
Linear meter calculations are based on AGA
Report No. 11.
Orifice meter calculations are based on ISO5167-
2003.
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Field Description
Base
Temperature
Sets the base temperature to which volume flows are
adjusted for the liquid meter. Valid selections are 60
Deg F, 15 Deg C, 20 Deg C, and 30 Deg C.
Base/Vapor
Pressure
Active Alarms
Sets the base pressure to which volume flows are
adjusted for the liquid meter. The pressure units are
specified on the Liquid Preferences screen.
This read-only field shows the status of any active
alarms associated with this meter. Possible alarms
are Low, High, No Flow, and Manual.
Notes:
A Manual alarm means one or more of the density,
temperature, or pressure I/O definitions on the
Inputs tab is Undefined.
You define these alarms on the Alarms tab.
2. Click Apply to save any changes, and proceed to Section 3.3.2 to
configure the Inputs tab.
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3.3.2 Liquid Meters – Inputs Tab
Use this tab to configure the inputs for a liquid meter and the source for
the base density of the fluid passing through the meter.
To access this screen:
1. Select the Inputs tab on the Liquid Meters screen. One of the
following two screens displays.
Figure 16(a). Liquid Meters, Inputs tab
(Meter Type is Linear)
2. Review—and change as necessary—the values in the following fields:
Field Description
Flow Meter
Input
Figure 16(b). Liquid Meters, Inputs tab
(Meter Type is Orifice)
Sets the source for the flow input for the liquid meter.
Click to display the Select TLP screen and specify
the TLP selection.
If the meter type is linear, the units are volume/time or
mass/time, where the units for volume, mass, and
time are specified on the Liquid Preferences screen.
If the meter type is orifice, the units are the units for
differential pressure specified on the Liquid
Preferences screen.
Note: If you select Undefined (0, 0, 0) for the I/O
definition, you can manually enter a value in
the Value field. Otherwise, the program
displays the value for the currently selected
input.
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Field Description
Meter
Temperature
Input
Sets the source for the flowing temperature of the
liquid meter. Click to display the Select TLP screen
and specify the TLP selection. The units are the
temperature units selected on the Liquid Preferences
screen.
Note: If you select Undefined (0, 0, 0) for the I/O
definition, you can manually enter a value in
the Value field. Otherwise, the program
displays the value for the currently selected
input.
Meter Pressure
Input
S&W Input
Units Type of
Flow Meter
Input
Pipe Diameter
Orifice Diameter
Low Flow Cutoff
Sets the source for the flowing pressure of the liquid
meter. Click to display the Select TLP screen and
specify the TLP selection. The units are the pressure
units selected on the Liquid Preferences screen.
Note: If you select Undefined (0, 0, 0) for the I/O
definition, you can manually enter a value in
the Value field. Otherwise, the program
displays the value for the currently selected
input.
Sets the source for the percent of sediment and water
for the liquid meter.
Click to display the Select TLP screen and specify
the TLP selection
Note: If you select Undefined (0, 0, 0) for the I/O
definition, you can manually enter a value in
the Value field. Otherwise, the program
displays the value for the currently selected
input.
Sets the type of units for the meter flow input. Valid
selections are Volume and Mass.
Note: This field only displays when the meter type is
linear.
Sets the inside diameter for the pipe near the liquid
meter. The units are the diameter units selected on
the Liquid Preferences screen.
Note: This field only displays when the meter type is
orifice.
Sets the diameter of the orifice plate of the liquid
meter. The units are the diameter units selected on
the Liquid Preferences screen.
Note: This field only displays when the meter type is
orifice.
Sets the low flow cutoff point. When the valve of the
flow input of the liquid meter is less than this value,
the calculated flow rate is set to 0.0, and the system
records a No Flow alarm in the Alarm Log if alarming
is enabled. The units are the same as the Flow Meter
Input.
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Field Description
Density Options
Sets the source for the base and flowing density of the
liquid meter. Valid selections are:
Note: This field does not display if the liquid type is
water.
Set base equal
to product
base; calculate
flowing from
base
Calculate base
from observed;
calculate
flowing from
base
Calculate base
from observed;
set flowing
equal to
observed
Density
Interface Point
Pressure Tap
Sets the source for the observed density of the liquid
meter.
Note: This field only displays if you select either
“Calculate base from observed” options in the
Density Options field.
Sets the reference for the meter’s flowing pressure
(valid selections are Gauge and Absolute), and sets
the tap location of the meter’s flowing pressure sensor
(valid selections are Upstream and Downstream).
Liquid meter calculations use the
base density of the product
assigned to the meter, and
calculate the flowing density from
the base density.
Liquid meter calculations
determine the base density from
the specified Density Interface
Point field, and calculate the
flowing density from the base
density.
Liquid meter calculations
determine the base density from
the specified Density Interface
Point field, and set the flowing
density to the value of the
observed density.
Note: The Upstream and Downstream fields only
display when the meter type is orifice.
3. Click Apply to save any changes and proceed to Section 3.3.3 to
configure the Advanced tab.
Rev. July-15 Configuration 25
Liquid Allocation Program for Continuous Flow User Manual
3.3.3 Liquid Meters – Advanced Tab
Use this tab to configure additional information for a liquid meter.
To access this screen:
1. Select the Advanced tab on the Liquid Meters screen. One of the
following two screens displays:
Figure 17(a). Liquid Meters, Advanced tab
(Meter Type is Linear)
2. Review—and change as necessary—the values in the following fields:
Field Description
Atmospheric
Pressure
Elevation
Viscosity
Figure 17(b). Liquid Meters, Advanced tab
(Meter Type is Orifice)
Sets how the atmospheric pressure at the site of the
liquid meter is determined. Valid selections are
Calculate and Enter.
Select Calculate to calculate the atmospheric
pressure based on the specified elevation.
Select Enter to manually enter the value for the
atmospheric pressure.
The units are the pressure (absolute) units selected
on the Liquid Preferences screen.
Sets the elevation at the site of the liquid meter. The
units are the elevation units selected on the
Preferences screen.
Sets the flowing viscosity for the meter. The units are
the viscosity units selected on the Liquid Preferences
screen.
Note: This field only displays when the meter type is
orifice.
26 Configuration Rev. July-15
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