Remote Automation Solutions Guide: OpenEnterprise Calculation Configuration Reference Guide Manuals & Guides
Reference Guide
D301482X412
April 2012
OpenEnterprise Calculation
Configuration Reference Guide (V2.83)
Remote Automation Solutions
Website: www.EmersonProcess.com/Remote
Reference Guide
D301482X412
April 2012
Calculation Configuration
Contents
1 Calculation Configuration Tool..............................................................................................1
2 Calculation Configurations.....................................................................................................1
2.1 Menu ...................................................................................................................................2
2.1.1 File Menu......................................................................................................................2
2.1.1.1 Export.....................................................................................................................2
2.1.1.2 SQL Export Dialog .................................................................................................2
2.1.1.2.1 File Name.........................................................................................................3
2.1.1.2.2 File Browse Button............................................................................................3
2.1.1.3 File Menu Exit ........................................................................................................3
2.1.2 Main Dialog Help Menu................................................................................................3
2.2 Configured Calculations List ...............................................................................................4
2.3 Add Calculation Button........................................................................................................4
2.4 Modify Calculation Button ...................................................................................................4
2.5 Delete Button ......................................................................................................................4
3 Calculation Wizard...................................................................................................................4
3.1 General Details ...................................................................................................................5
3.1.1 Access Area..................................................................................................................5
3.1.2 Calculation Name .........................................................................................................5
3.1.3 Description....................................................................................................................5
3.1.4 Server Id.......................................................................................................................5
3.1.5 Multiple Calculation Servers Diagram..........................................................................6
3.1.6 Minimum Interval ..........................................................................................................6
3.2 Action Details ......................................................................................................................6
3.2.1 Type..............................................................................................................................7
3.2.1.1 Server Side Calculator........................................................................................... 7
3.2.1.2 ActiveX...................................................................................................................7
3.2.1.3 File .........................................................................................................................7
3.2.1.4 Server Side Calculation Module.............................................................................8
3.2.1.4.1 Available Operators..........................................................................................8
3.2.1.4.2 Arithmetic Operators.........................................................................................8
3.2.1.4.3 Comparison Operators.....................................................................................9
3.2.1.4.4 Logical Operators.............................................................................................9
3.2.1.4.5 Functions..........................................................................................................9
3.2.1.5 ActiveX Program ID................................................................................................9
3.2.1.6 File Target............................................................................................................10
3.2.1.6.1 File Start In.....................................................................................................10
3.2.2 Arguments ..................................................................................................................10
3.2.3 Arguments Browse Button..........................................................................................10
3.2.4 Open File Dialog.........................................................................................................11
3.2.5 Allow Desktop Interaction...........................................................................................11
3.2.6 Calculation Editor .......................................................................................................11
3.2.6.1 Destination Signal................................................................................................12
3.2.6.2 Number Pad.........................................................................................................12
3.2.6.3 Editing Area..........................................................................................................12
3.2.6.4 Parentheses.........................................................................................................12
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Calculation Configuration
3.2.6.4.1.1
3.2.6.5 Delete and Undo..................................................................................................12
3.2.6.6 Space...................................................................................................................12
3.2.6.7 OK button.............................................................................................................13
3.2.6.8 Cancel button.......................................................................................................13
3.2.6.9 Help Button ..........................................................................................................13
3.2.6.10 Max Function......................................................................................................13
3.2.6.10.1 Max Function Parameter 1...........................................................................13
3.2.6.10.2 Max Function Parameter 2...........................................................................13
3.2.6.10.3 Signal Browse Button...................................................................................13
3.2.6.10.4 OK Button.....................................................................................................13
3.2.6.10.5 Cancel Button...............................................................................................13
3.2.6.10.6 Help Button...................................................................................................13
3.2.6.11 Min Function.......................................................................................................14
3.2.6.11.1 Min Function Parameter 1............................................................................14
3.2.6.11.2 Min Function Parameter 2............................................................................14
3.2.6.11.3 Signal Browse Button...................................................................................14
3.2.6.11.4 OK Button.....................................................................................................14
3.2.6.11.5 Cancel Button...............................................................................................14
3.2.6.11.6 Help Button...................................................................................................14
3.2.6.12 Sqr Function........................................................................................................14
3.2.6.12.1 Sqr Function Parameter ...............................................................................15
3.2.6.12.2 Signal Browse Button...................................................................................15
3.2.6.12.3 OK Button.....................................................................................................15
3.2.6.12.4 Cancel Button...............................................................................................15
3.2.6.12.5 Help Button...................................................................................................15
3.2.6.13 Sin Function........................................................................................................15
3.2.6.13.1 Sin Function Parameter................................................................................15
3.2.6.13.2 Signal Browse Button...................................................................................15
3.2.6.13.3 OK Button.....................................................................................................15
3.2.6.13.4 Cancel Button...............................................................................................16
3.2.6.13.5 Help Button...................................................................................................16
3.2.6.14 Cos Function.......................................................................................................16
3.2.6.14.1 Cos Function Parameter...............................................................................16
3.2.6.14.2 Signal Browse Button...................................................................................16
3.2.6.14.3 OK Button.....................................................................................................16
3.2.6.14.4 Cancel Button...............................................................................................16
3.2.6.14.5 Help Button...................................................................................................16
3.2.6.15 Tan Function.......................................................................................................16
3.2.6.15.1 Tan Function Parameter...............................................................................17
3.2.6.15.2 Signal Browse Button...................................................................................17
3.2.6.15.3 OK Button.....................................................................................................17
3.2.6.15.4 Cancel Button...............................................................................................17
3.2.6.15.5 Help Button...................................................................................................17
3.2.6.16 If Function...........................................................................................................17
3.2.6.16.1 If Function Parameter 1................................................................................17
3.2.6.16.2 If Function Parameter 2................................................................................18
3.2.6.16.3 If Function Parameter 3................................................................................18
3.2.6.16.4 Signal Browse Button...................................................................................18
3.2.6.16.5 OK Button.....................................................................................................18
Example...................................................................................................12
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Calculation Configuration
3.2.6.16.6
3.2.6.16.7 Help Button...................................................................................................18
3.2.6.17 Signal Browser....................................................................................................18
3.2.6.17.1 Device Name................................................................................................19
3.2.6.17.2 Base..............................................................................................................19
3.2.6.17.3 Extension......................................................................................................19
3.2.6.17.4 Attribute........................................................................................................19
3.2.6.17.5 Signal Description.........................................................................................19
3.2.6.17.6 Search button...............................................................................................19
3.2.6.17.7 Search List....................................................................................................19
3.2.6.17.8 Selected Signal.............................................................................................20
3.2.6.17.9 OK button......................................................................................................20
3.2.6.17.10 Cancel button..............................................................................................20
3.2.6.17.11 Help Button.................................................................................................20
3.3 Trigger Details...................................................................................................................20
3.3.1 Trigger Signals List.....................................................................................................20
3.3.2 Add Trigger.................................................................................................................20
3.3.3 Modify Trigger.............................................................................................................21
3.3.4 Delete Trigger.............................................................................................................21
3.3.5 Disable Calculation.....................................................................................................21
3.3.6 Ignore Completion Status...........................................................................................21
3.3.7 Next Calculation .........................................................................................................21
3.3.8 Diary Name.................................................................................................................21
3.3.9 Configure Trigger........................................................................................................21
3.3.9.1 Tag.......................................................................................................................22
3.3.9.2 Set........................................................................................................................22
3.3.9.3 Table Name..........................................................................................................23
3.3.9.4 Object or Signal Name.........................................................................................23
3.3.9.5 Browse for Trigger Signal ....................................................................................23
3.4 Confirmation Details..........................................................................................................23
Cancel Button...............................................................................................18
4 Tabbed Calculation Dialog....................................................................................................24
4.1 General Tab ......................................................................................................................24
4.1.1 Access Area................................................................................................................25
4.1.2 Calculation Name .......................................................................................................25
4.1.3 Description..................................................................................................................25
4.1.4 Server Id.....................................................................................................................25
4.1.5 Multiple Calculation Servers Diagram........................................................................26
4.1.6 Minimum Interval ........................................................................................................26
4.1.7 OK button....................................................................................................................26
4.1.8 Cancel Button.............................................................................................................26
4.1.9 Apply Button ...............................................................................................................26
4.2 Action Tab.........................................................................................................................27
4.2.1 Server Side Calculator................................................................................................27
4.2.2 ActiveX........................................................................................................................27
4.2.3 File..............................................................................................................................27
4.2.4 ActiveX Program ID....................................................................................................28
4.2.5 File Start In .................................................................................................................28
4.2.6 Arguments ..................................................................................................................29
4.2.7 Arguments Browse Button..........................................................................................29
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Allow Desktop Interaction...........................................................................................29
4.2.8
4.2.9 OK button....................................................................................................................29
4.2.10 Cancel Button..........................................................................................................29
4.2.11 Apply Button............................................................................................................29
4.3 Trigger Tab........................................................................................................................29
4.3.1 Trigger Signals List.....................................................................................................30
4.3.2 Add Trigger.................................................................................................................30
4.3.3 Modify Trigger.............................................................................................................30
4.3.4 Delete Trigger.............................................................................................................30
4.3.5 Disable Calculation.....................................................................................................30
4.3.6 Ignore Completion Status...........................................................................................30
4.3.7 Next Calculation .........................................................................................................31
4.3.8 Diary Name.................................................................................................................31
4.3.9 OK button....................................................................................................................31
4.3.10 Cancel Button..........................................................................................................31
4.3.11 Apply Button............................................................................................................31
5 Index .......................................................................................................................................32
Calculation Configuration
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Calculation Configuration
1 Calculation Configuration Tool
The Calculation Configuration Tool enables the user to create and schedule calculations, or to
regularly run any type of executable file. Through the tool the user may: -
• Create and schedule a Calculation.
• Compose a Calculation expression using the Calculation Editor. This uses the Server Side
Calculation module, a powerful, ready to use DLL (Dynamic Link Library file), which will
perform the calculation and write the result to a signal value.
• Specify a user calculation (written as a DLL) to be run by the Calculation Server. The
Calculation Editor cannot be used with user written DLLs.
• Create a reporting schedule. An executable file (i.e. MsExcel) can be scheduled to run, and
instructed to open a configured worksheet template. The configured worksheet template can
contain VBA (Visual Basic for Applications), which instruct it to run a query on the
OpenEnterprise database, and save the results of the query to a new file.
• Schedule the Calculation or report by using a Diary or a Signal's changing value.
• Configure the cascading of calculations or reports.
There are three OpenEnterprise components which work together to execute calculations or reports the Calculation Configuration Tool, the Calculation Server and the Scheduler. The Configuration Tool
creates Calculation objects within the database, the Scheduler ensures the Calcul ations execute on
time, and the Calculation Server actually runs them.
2 Calculation Configurations
The main dialog presents the user with a list of application configured calculations, with features that
allow the user to add, modify or delete. The dialog can be re-sized for optimal viewing of the
calculation list.
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2.1 Menu
There are two items on the menu bar.
2.1.1 File Menu
The File menu provides two submenu options.
Calculation Configuration
2.1.1.1 Export
The Export o
file, which can be used to restore your Security settings at a later date.
When the Export option from the File drop down menu is selected, you will be presented with the SQL
Import-Export File Dialog. This enables you to use the default SQL Export file, or to specify another
file.
2.1.1.2 SQL Export Dialog
This dial
When the Export is completed, you will be informed by this message.
ption enables you to save the current database Security Configuration to an SQL script
og enables the user to override the default SQL script file for Export.
You must select the [Close] button to dismiss this dialog.
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2.1.1.2.1 File Name
Calculation Configuration
By default the Import or Export file will be named custom_<Component>.
indicates the OpenEnterprise configuration component from which the Import/Export is initiated, and
will be written to the standard OEToolbox export file directory. The Status file has a default name of
custom_<Component>.txt. If a file already exists in the directory with the filename specified, then the
existing file should be renamed such that .old is appended to the end of it, e.g.
custom_opcclientrdi.sql.old.
When Importing or Exporting, this file will be selected automatically and placed in the File Name field.
The user will however have the ability to override both the name and location if they so require, using
the browse button, or by manually editing the filename.
2.1.1.2.2 File Browse Button
When the File Browse Button is selected, a standard File Open or File Save dialog is displayed,
depending on which function has been chosen. The user can then select a file for Import, Export or
Saving Import Status.
sql, where <Component>
2.1.1.3 File Menu Exit
Whe
n selected, the Calculation configuration tool will close without committing any changes to the
database.
2.1.2 Main Dialog Help Menu
The help menu provides access to this help file, and also to the 'About...' pages, which provide
version and contact information.
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Calculation Configuration
2.2 Configured Calculations List
This list displays the list of previously configured application calculations. It details the calculation's
name, description and enabled/disabled status.
2.3 Add Calculation Button
This button invokes a Calculation Wizard that initializes with a General Details dialog.
2.4 Modify Calculation Button
If a configured calculation is selected from the list, the [Modify] button is enabled. This button opens
the tabbed dialog.
2.5 Delete Button
The currently selected Calculation will be deleted. A confirmation message will appear before the
deletion, giving the user the opportunity to abort the deletion.
3 Calculation Wizard
When the [Add] button is selected from the Calculation Configurations dialog, the Add Calculation
Wizard is launched. As with all wizards, each page must be configured properly before the user can
move on to the next. There are three main pages in the wizard:-
1. General Details
2. Action Details
3. Trigger Details
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Calculation Configuration
3.1 General Details
The General Details dialog enables the user to start configuring a new calculation.
3.1.1 Access Area
This field must have a value. The wizard will not move on to the next dialog unless it contains a valid
entry. It is a list of configured access areas from which one must be chosen for the current calculation.
It may be modified later.
3.1.2 Calculation Name
This field must have a value. The wizard will not move on to the next dialog unless it contains a valid
entry. It is a text entry field. The user must type a unique name for the calculation in here. When
modifying Calculations, this field is disabled, and can not be modified.
3.1.3 Description
This field is optional. It should contain text which explains more fully what the calculation does. It can
be changed later by using the [Modify] button.
3.1.4 Server Id
This field is optional. It refers to the Calculation Server instance id, and not to the DNS names of the
OE Servers which are running the Database.
If only one instance of the OE Calculation Server is to be run, then it may be left blank.
The field is used in OpenEnterprise applications where it has been decided to use more than one
instance of the OE Calculation Server to run calculations.
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This would make sense, for instance, in large SCADA systems, where there are many calculat ions
and reports running. It would ease processing and storage on the Main and Standby Servers if
another Server ran a separate instance of the OE Calculation Server to take care of the 'report' type
calculations. This is best described in the Multiple Calculation Server Diagram.
Calculation Configuration
3.1.5 Multiple Calculation Servers Diagram
Any calculations with a Calculation Server id of 'CALC' would be run by the Calculation Server
instance on the currently active Main OE Server. Calculations with a server id of 'REPORT' would be
run by the Calculation Server instance on the additional calculation server.
The Calculation Server dataservice and id is determined by arguments given to the Calculation Server
instance at start up..
3.1.6 Minimum Interval
This field allows the user to specify a minimum time which must elapse between the operation of
successive calculations.
It is useful when a calculation is being triggered by a signal, or a combination of diary and signal
triggering, and the readvalue of the trigger signal is changing rapidly.
It ensures that there will be a sensible amount of time elapsing between runs of the calculation or
report in these circumstances.
3.2 Action Details
This dialog enables the user to specify the type of Calculation that the Calculation Server will run, as
well as defining the arguments to pass to the Calculation.
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Calculation Configuration
3.2.1 Type
This group of controls enables the user to specify whether the Calculation Server is to run the Server
Side Calculator, a custom ActiveX DLL or an executable file.
3.2.1.1 Server Side Calculator
This is th
Calculations. It is the only Calculation type that enables the user to define calculation arguments
(expressions) using the Calculation Editor, which is accessed via the Browse button ([...]) to the right
of the Arguments field.
3.2.1.2 ActiveX
If this radio b
should be used when using Calculation DLL files created by the user. A Program Id must be
specified. The Calculation Editor will not be available for this type of Calculation.
3.2.1.3 File
If this option is sel
become enabled.
e default selection. The Server Side calculation type is automatically available for defining
utton is left selected, then the Program ID field will be enabled for selection. This option
ected, the Program ID field will be disabled and the Target and StartIn fields will
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3.2.1.4 Server Side Calculation Module
The OpenEnterprise ServerSide Calculation Module is a DLL (Dynamic Link Library file) that allows
the user to create simple calculations which are run on the server by the OpenEnterprise Calculation
Server component. Calculations may be triggered by the OpenEnterprise Scheduler, using a Diary,
or may be triggered by specific Signal values.
The Server Side Calculation module takes two parameters, of the form Arg1, Arg2. Note that Arg1
and Arg2 are separated by a single comma.
• Arg1 must be a realanalog signal name. It is the target for the calculation, and its value will
be written to with the result of the expression in Arg2.
Calculation Configuration
• Arg2 is an expression which is evaluated and written to Arg1. The expression may contain
more than one Signal name, plus constant values and operators. The operators may be
arithmetic or logical operators, or may be functions, such as Max, Min, Sine, Cosine.
These two parameters are stored in the 'args' attribute of the 'calculation' table in OpenEnterprise
An example might be:
"{RTU1:TOTAL.VALUE}","{RTU3:TOTAL.VALUE}+{RTU2:TOTAL.VALUE}"
3.2.1.4.1 Available Operators
There are fou
providing a wide variety of calculation options.
1. Arithmetic operators
2. Comparison operators
3. Logical operators
4. Functions
3.2.1.4.2 Arithmetic Operators
There are
r main types of operators available for use with the Server Side Calculation module,
seven arithmetic operators: -
Operator Functionality Example Example Result
+
-
*
/
%
\
^
Addition 13+5 18
Subtraction 13-5 8
Multiplication 3*5 15
Division 100/8 12.5
Modulus (Remainder) 100%8 4
Integer Division 100\8 12
Raised to the Power (POW
button)
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3.2.1.4.3 Comparison Operators
There are
Operator Functionality Example Example Result
six comparison operators available: -
Calculation Configuration
<
<=
>
>=
=
!=
<>
3.2.1.4.4 Logical Operators
There are three logical operators: -
Operator Functionality Example Example Result
&
|
!
3.2.1.4.5 Functions
There are seven functions available: -
Operator Functionality Example Example Result
MAX(x;y)
MIN(x;y)
IF(x;y;z)
SIN(x)
COS(x)
TAN(x)
SQR(x)
Is less than 13<5 False
Is less than or equal 13<=5 False
Is greater than 13>5 True
Is greater than or equal 13>5 True
Is equal to 13=5 False
Is not equal to 13!=5 True
Is not equal to (same as !=) 13<>5 True
Boolean AND (AND button) 1&0 False
Boolean OR (OR button) 1|0 True
Boolean NOT (NOT button) !(3>5) True (-1 if stored in
realanalog table)
Returns the larger of x and y max(19.5;6) 19.5
Returns the smaller of x and y min(19.5;6) 6
If x is true returns y, else z if((5-6);19;5) 5
Returns the sine of x sin(0) 0
Returns the cosine of x cos(0) 1
Returns the tangent of x tan(0) 0
Returns the square root of x sqr(4) 2
3.2.1.5 ActiveX Program ID
If the Server Side Calculator is chosen, this field will be grayed out, and will contain the name of the
Server Side Calculator DLL (OEServerSideCalculator.Calc1).
If the ActiveX radio button is selected:-
Then the Program ID field is editable:-
The required user created ActiveX DLL file name must be entered.
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The Calculation Server is able to find the path to the file from the Server's registry. File names of this
sort are in the format of two strings separated by a full stop (i.e. RealCalc.Add). The user must create
these files on the Server(s) using a programming language such as C++ or Visual Basic.
3.2.1.6 File Target
Calculation Configuration
If the File radio button in the Type se
of the target file may be typed in, or the user may select the [...] browse button to locate the target file
on the Server, and the file browse dialog will be opened.
It must be borne in mind however, that the pathname is relative to the Server, so DNS names will not
work. The file type may be an executable or a batch file.
3.2.1.6.1 File Start In
ction has been chosen, this field is mandatory. The full pathname
This is the working directory for the application
stored within the identified directory.
started by the calculation. Any files created will be
3.2.2 Arguments
These are arguments that are passed to the target file as it is opened. They may be typed in directly
or, depending on the Type of Calculation: -
• Be configured using the Calculation Editor (Server Side Calculator only). The Calculation
Editor is opened by selecting the browse button [...].
• Be contained in a batch file which may be located using the browse button [...] , remembering
that the path name must be relative to the Server.
3.2.3 Arguments Browse Button
This button will function differently, depending on the Type of Calculation: -
1. If it is a Server Side Calculation, this button will open the Calculation Editor
2. If it is a user defined ActiveX DLL, the button will be disabled
3. If it is a File, this button will display an 'Open File' dialog.
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Calculation Configuration
3.2.4 Open File Dialog
The 'Open' dialog has *.bat type files selected by default. This can be changed to view executable
files (*.exe) or all files (*.*) also.
3.2.5 Allow Desktop Interaction
If this box is checked, then the interface of the target application will be displayed on the Server for
user interaction. If unchecked, then the target application will run invisibly on the Server.
3.2.6 Calculation Editor
The Calculation Editor appears when on the Action Details dialog, the Action Type is set to Server
Side Calculation Module:-
... and the Arguments Browse button is selected:-
The Calculation Editor enables the user to enter valid expressions for use with the Server Side
Calculation Module.
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Calculation Configuration
3.2.6.1 Destination Signal
The de
selected by using the 'Signal Browser', which is invoked by selecting the Browse button ([...]) to the
right of this field.
3.2.6.2 Number Pad
Numb
may be added by using the full-stop key on the keyboard. The contents of the editing area may be
cleared by clicking the 'C' button.
3.2.6.3 Editing Area
The Editing Area is
editor by entering text from the keyboard.
3.2.6.4 Parentheses
Any valid expressio
precedence.
3.2.6.4.1.1 Example
stination signal must be a real analog type. It is typically a local signal. A signal may be
ers may be entered into the editing area by clicking on them with the mouse. A decimal point
where the expression is written as it is built up. It may also be edited like a text
n may be enclosed in parentheses, in order to change the default operator
• 1-2*
• (1-2)*(3+4) would evaluate to -7
3+4 would evaluate to -1
3.2.6.5 Delete and Undo
• The [Delete]
• The [Undo] button undoes the last action performed by the user within the editing area.
3.2.6.6 Space
This allo
ws the user to enter a space into the expression.
button deletes the character immediately to the right of the cursor.
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3.2.6.7 OK button
Calculation Configuration
Selection of this button
Editing Area into the Arguments field within the 'Action Details Dialog'.
3.2.6.8 Cancel button
The Cal
the Arguments field on the 'Action Details Dialog'.
3.2.6.9 Help Button
Selection
3.2.6.10 Max Function
The Max Fun
culation Editor will close without entering the expression contained within the Editing Area into
will display this Help file.
ction dialog enables the user to insert the Max function into the Calculation expression.
will close the Calculation Editor and enter the expression contained in the
3.2.6.10.1 Max Function Parameter 1
This is th
in, or can contain a signal. To browse for a signal to enter into this field, click on the signal browse
button [...] to the right of this field. This will open the Signal Browser.
3.2.6.10.2 Max Function Parameter 2
This is th
typed in, or can contain a signal. To browse for a signal to enter into this field, click on the signal
browse button [...] to the right of this field. This will open the Signal Browser.
3.2.6.10.3 Signal Browse Button
The Signal Browse Button open
Browser, it will be placed into the appropriate field on the dialog.
3.2.6.10.4 OK Button
When sel
dialog will be written as parameters of the chosen function into the Calculation Editing Area. If there
are no values in the parameter fields the chosen function will be written to the Calculation Editing
Area without any parameters. The parameters can be entered directly into the Editing Area later.
3.2.6.10.5 Cancel Button
Whe
Calculation Editing Area. Values or signals already in the parameter fields will be lost.
e first parameter for the Max function. It can contain a constant value, which must be typed
e second parameter for the Max function. It can contain a constant value, which must be
s the Signal Browser. When a signal has been selected from the
ected, the Function dialog will close. Any values entered into the parameter fields on the
n selected, the Function dialog will close without entering the function or any parameters into the
3.2.6.10.6 Help Button
Selection
will display this Help file.
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3.2.6.11 Min Function
Calculation Configuration
The Min Fun
3.2.6.11.1 Min Function Parameter 1
This is th
in, or can contain a signal. To browse for a signal to enter into this field, click on the signal browse
button [...] to the right of this field. This will open the Signal Browser.
3.2.6.11.2 Min Function Parameter 2
This is th
typed in, or can contain a signal. To browse for a signal to enter into this field, click on the signal
browse button [...] to the right of this field. This will open the Signal Browser.
3.2.6.11.3 Signal Browse Button
ction dialog enables the user to insert the Min function into the Calculation expression.
e first parameter for the Min function. It can contain a constant value, which must be typed
e second parameter for the Min function. It can contain a constant value, which must be
The Signal Browse Button open
Browser, it will be placed into the appropriate field on the dialog.
3.2.6.11.4 OK Button
When sel
dialog will be written as parameters of the chosen function into the Calculation Editing Area. If there
are no values in the parameter fields the chosen function will be written to the Calculation Editing
Area without any parameters. The parameters can be entered directly into the Editing Area later.
3.2.6.11.5 Cancel Button
Whe
Calculation Editing Area. Values or signals already in the parameter fields will be lost.
3.2.6.11.6 Help Button
Selection
3.2.6.12 Sqr Function
The Sqr Fu
ected, the Function dialog will close. Any values entered into the parameter fields on the
n selected, the Function dialog will close without entering the function or any parameters into the
will display this Help file.
nction dialog enables the user to insert the Sqr function into the Calculation expression.
s the Signal Browser. When a signal has been selected from the
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3.2.6.12.1 Sqr Function Parameter
Calculation Configuration
This is th
be typed in, or can contain a signal. To browse for a signal to enter into this field, click on the signal
browse button [...] to the right of this field. This will open the Signal Browser.
3.2.6.12.2 Signal Browse Button
The Signal Browse Button open
Browser, it will be placed into the appropriate field on the dialog.
3.2.6.12.3 OK Button
When sel
dialog will be written as parameters of the chosen function into the Calculation Editing Area. If there
are no values in the parameter fields the chosen function will be written to the Calculation Editing
Area without any parameters. The parameters can be entered directly into the Editing Area later.
3.2.6.12.4 Cancel Button
Whe
Calculation Editing Area. Values or signals already in the parameter fields will be lost.
3.2.6.12.5 Help Button
Selection
3.2.6.13 Sin Function
e only parameter required for the Sqr function. It can contain a constant value, which must
s the Signal Browser. When a signal has been selected from the
ected, the Function dialog will close. Any values entered into the parameter fields on the
n selected, the Function dialog will close without entering the function or any parameters into the
will display this Help file.
The Sin Fun
3.2.6.13.1 Sin Function Parameter
This is th
be typed in, or can contain a signal. To browse for a signal to enter into this field, click on the signal
browse button [...] to the right of this field. This will open the Signal Browser.
3.2.6.13.2 Signal Browse Button
The Signal Browse Button open
Browser, it will be placed into the appropriate field on the dialog.
3.2.6.13.3 OK Button
When sel
dialog will be written as parameters of the chosen function into the Calculation Editing Area. If there
are no values in the parameter fields the chosen function will be written to the Calculation Editing
Area without any parameters. The parameters can be entered directly into the Editing Area later.
ction dialog enables the user to insert the Sin function into the Calculation expression.
e only parameter required for the Sin function. It can contain a constant value, which must
s the Signal Browser. When a signal has been selected from the
ected, the Function dialog will close. Any values entered into the parameter fields on the
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3.2.6.13.4 Cancel Button
n selected, the Function dialog will close without entering the function or any parameters into the
Whe
Calculation Editing Area. Values or signals already in the parameter fields will be lost.
3.2.6.13.5 Help Button
Calculation Configuration
Selection
3.2.6.14 Cos Function
The Co
3.2.6.14.1 Cos Function Parameter
This is th
be typed in, or can contain a signal. To browse for a signal to enter into this field, click on the signal
browse button [...] to the right of this field. This will open the Signal Browser.
3.2.6.14.2 Signal Browse Button
The Signal Browse Button open
Browser, it will be placed into the appropriate field on the dialog.
will display this Help file.
s Function dialog enables the user to insert the Cos function into the Calculation expression.
e only parameter required for the Cos function. It can contain a constant value, which must
s the Signal Browser. When a signal has been selected from the
3.2.6.14.3 OK Button
When sel
dialog will be written as parameters of the chosen function into the Calculation Editing Area. If there
are no values in the parameter fields the chosen function will be written to the Calculation Editing
Area without any parameters. The parameters can be entered directly into the Editing Area later.
3.2.6.14.4 Cancel Button
Whe
Calculation Editing Area. Values or signals already in the parameter fields will be lost.
3.2.6.14.5 Help Button
Selection
3.2.6.15 Tan Function
The Tan F
ected, the Function dialog will close. Any values entered into the parameter fields on the
n selected, the Function dialog will close without entering the function or any parameters into the
will display this Help file.
unction dialog enables the user to insert the Tan function into the Calculation expression.
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3.2.6.15.1 Tan Function Parameter
Calculation Configuration
This is th
be typed in, or can contain a signal. To browse for a signal to enter into this field, click on the signal
browse button [...] to the right of this field. This will open the Signal Browser.
3.2.6.15.2 Signal Browse Button
The Signal Browse Button open
Browser, it will be placed into the appropriate field on the dialog.
3.2.6.15.3 OK Button
When sel
dialog will be written as parameters of the chosen function into the Calculation Editing Area. If there
are no values in the parameter fields the chosen function will be written to the Calculation Editing
Area without any parameters. The parameters can be entered directly into the Editing Area later.
3.2.6.15.4 Cancel Button
Whe
Calculation Editing Area. Values or signals already in the parameter fields will be lost.
3.2.6.15.5 Help Button
Selection
3.2.6.16 If Function
e only parameter required for the Tan function. It can contain a constant value, which must
s the Signal Browser. When a signal has been selected from the
ected, the Function dialog will close. Any values entered into the parameter fields on the
n selected, the Function dialog will close without entering the function or any parameters into the
will display this Help file.
The If Functio
3.2.6.16.1 If Function Parameter 1
This is th
or can contain a signal. To browse for a signal to enter into this field, click on the signal browse
button [...] to the right of this field. This will open the Signal Browser.
n dialog enables the user to insert the If function into the Calculation expression.
e first parameter for the If function. It can contain a constant value, which must be typed in,
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3.2.6.16.2 If Function Parameter 2
Calculation Configuration
This is th
in, or can contain a signal. To browse for a signal to enter into this field, click on the signal browse
button [...] to the right of this field. This will open the Signal Browser.
3.2.6.16.3 If Function Parameter 3
This is th
or can contain a signal. To browse for a signal to enter into this field, click on the signal browse
button [...] to the right of this field. This will open the Signal Browser.
3.2.6.16.4 Signal Browse Button
The Signal Browse Button open
Browser, it will be placed into the appropriate field on the dialog.
3.2.6.16.5 OK Button
When sel
dialog will be written as parameters of the chosen function into the Calculation Editing Area. If there
are no values in the parameter fields the chosen function will be written to the Calculation Editing
Area without any parameters. The parameters can be entered directly into the Editing Area later.
3.2.6.16.6 Cancel Button
Whe
Calculation Editing Area. Values or signals already in the parameter fields will be lost.
e second parameter for the If function. It can contain a constant value, which must be typed
e third parameter for the If function. It can contain a constant value, which must be typed in,
s the Signal Browser. When a signal has been selected from the
ected, the Function dialog will close. Any values entered into the parameter fields on the
n selected, the Function dialog will close without entering the function or any parameters into the
3.2.6.16.7 Help Button
Selection
3.2.6.17 Signal Browser
This dial
will display this Help file.
og enables the user to select a signal for entering into the expression Editing Area.
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3.2.6.17.1 Device Name
Select a Devi
analog signals.
3.2.6.17.2 Base
Select a Base name from
3.2.6.17.3 Extension
Select an Extensi
3.2.6.17.4 Attribute
Select an Attribute name from the list to add an Attrib
3.2.6.17.5 Signal Description
Will filter on the De
button.
3.2.6.17.6 Search button
Selection of the [Sear
been applied to the dialog. The results of the query will be entered into the Search List.
ce from the list to filter on the Device Name, or <LOCAL SIGNALS> to filter on local real
the list to add a Base name filter to the query.
on name from the list to add an Extension name filter to the query.
ute name filter to the query.
scription attribute for signals. Type the description in and select the [Search]
ch] button will query the OpenEnterprise database using the filters which have
3.2.6.17.7 Search List
n the [Search] button is selected, this list will be populated with the results of the query. A signal
Whe
can be selected from the list for entry into the Calculation Editor.
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3.2.6.17.8 Selected Signal
Calculation Configuration
The sel
Calculation Editing Area if the [OK] button is selected.
3.2.6.17.9 OK button
Whe
entered into the Calculation Editor.
3.2.6.17.10 Cancel button
Whe
Editor.
3.2.6.17.11 Help Button
Selection
ected signal is written into this non-editable field. This is the signal that will be entered into the
n selected, the Signal Browser will close and the signal highlighted in the Search List will be
n selected, the Signal Browser will close without entering any selected signal into the Calculation
will display this Help file.
3.3 Trigger Details
This dialog enables the user to specify triggers for the calculation.
3.3.1 Trigger Signals List
This list displays all configured trigger signals for the calculation. Trigger signals initiate the running of
a calculation when their readvalue attribute changes.
3.3.2 Add Trigger
If selected, the Configure Trigger Attribute dialog is displayed.
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3.3.3 Modify Trigger
If selected, the Configure Trigger Attribute dialog is displayed.
3.3.4 Delete Trigger
The selected Trigger will be deleted. Before deletion a confirmation message will be displayed, which
will enable the user to abort the operation.
3.3.5 Disable Calculation
If checked, the Calculation is disabled, and will not run until enabled.
3.3.6 Ignore Completion Status
If checked, the next calculation will run regardless of the completion status of the current calculation.
If unchecked, the next calculation will only run if the current calculation completes successfully. The
default value is unchecked.
3.3.7 Next Calculation
A list of currently configured calculations are available for selection. If one is selected, then the
selected calculation will run immediately after the current calculation, depending on the configuration
of the Ignore Completion Status field, and whether the current calculation is completed successfully.
3.3.8 Diary Name
A list of configured diaries is available to act as a triggering mechanism for the calculation. Both diary
and trigger signals may be used to trigger the same calculation.
3.3.9 Configure Trigger
The Configure Trigger Attribute dialog enables the user to configure a signal that will act as th e trigger
to the calculation. Any change in the Trigger signal's value will trigger the calculation. Any of these
three methods can be adopted to specify the Trigger signal:-
1. Drag and drop the signal's OPC tag onto the Tag field from the Database Object Viewer.
2. Select a table from the Table Name drop-down list and then select a signal from the chosen
table using the Signal browser button ([...]) to the right of the Object/Signal Name field.
3. Copy an OPC Tag from another source (ie an OEGraphics display) and paste it into the 'Tag'
field.
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3.3.9.1 Tag
Calculation Configuration
An OPC tag identifying the
drop' a tag into this field open an instance of the Database Object Viewer, configure a query, select
the required signal and 'drag-drop' its value into this field. The 'Table Name' and 'Object/Signal Name'
fields will be automatically updated if the 'drag-drop' method is used.
See the 'Set' topic to find out how the populate these fields when the tag is copied and pasted.
3.3.9.2 Set
If an OPC tag is drag
Name' and 'Object/Signal Name' fields will be updated automatically.
However, if an OPC tag is copied from elsewhere as a string and pasted into the 'Tag' field on the
'Configure Trigger' dialog, the 'Table Name' and 'Object/Signal Name' fields can to be updated by
using the [Set] button.
trigger signal can be drag-dropped or copied and pasted here. To 'drag-
-dropped into the 'Tag' field from a Database Object Viewer instance, the 'Table
To do this, click the [Set] button, and 'Table Name' and 'Object or Signal Name' fields will be resolved
from the tag in the 'Tag' field.
Configure Trigger
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3.3.9.3 Table Name
Calculation Configuration
This field co
to identify a trigger signal. Selecting the field will reveal a list of signal tables. Once one is selected,
the Object / Signal Name field becomes enabled.
3.3.9.4 Object or Signal Name
The obje
browse button will allow you to Browse for a signal.
3.3.9.5 Browse for Trigger Signal
The sig
the Configure Attribute dialog. The fields in the Filter section may be used to filter the signal list. In
the example below the filter string *LEVEL* is applied to the name field and the [Refresh] button is
selected. This finds only signals with the words LEVEL in the name and places these into the signal
list.
A signal is selected, and then when the [OK] button is chosen the selected signal will be placed into
the Object / Signal Name field on the Configure Attribute dialog. A change in this signals value will
then trigger the calculation. When this is completed the user may select the [Next] button on the
Trigger Details dialog.
mbined with the Object / Signal Name field may be used instead of the 'drag-drop' method
ct name may be typed directly in, or the [...] browse button selected. Selection of the [...]
nal list on this dialog will be filled with the first 100 signals sourced from the table chosen from
3.4 Confirmation Details
This dialog displays all of the configured details for the new calculation. If any detail is wrong, then the
user may select the [<Back] button to reconfigure the new calculation. If the details are correct, then
selection of the [Finish] button will add the new calculation to the OpenEnterprise Database.
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4 Tabbed Calculation Dialog
When the [Modify] button is selected, the user is presented with the Tabbed Calculation dialog. This
gives access to any configuration setting immediately to enable modifications to be made more
quickly. Each tab is exactly the same as the General, Action and Trigger Details pages of the
Calculation Wizard. The three tabs available are;-
1. General Tab
2. The Action Tab
3. The Trigger Tab.
4.1 General Tab
This dialog enables the user to change certain general details belonging to the Calculation. Any field
that is enabled can be modified.
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4.1.1 Access Area
This field must have a value. The wizard will not move on to the next dialog unless it contains a valid
entry. It is a list of configured access areas from which one must be chosen for the current calculation.
It may be modified later.
4.1.2 Calculation Name
This field must have a value. The wizard will not move on to the next dialog unless it contains a valid
entry. It is a text entry field. The user must type a unique name for the calculation in here. When
modifying Calculations, this field is disabled, and can not be modified.
4.1.3 Description
This field is optional. It should contain text which explains more fully what the calculation does. It can
be changed later by using the [Modify] button.
4.1.4 Server Id
This field is optional. It refers to the Calculation Server instance id, and not to the DNS names of the
OE Servers which are running the Database.
If only one instance of the OE Calculation Server is to be run, then it may be left blank.
The field is used in OpenEnterprise applications where it has been decided to use more than one
instance of the OE Calculation Server to run calculations.
This would make sense, for instance, in large SCADA systems, where there are many calculat ions
and reports running. It would ease processing and storage on the Main and Standby Servers if
another Server ran a separate instance of the OE Calculation Server to take care of the 'report' type
calculations. This is best described in the Multiple Calculation Server Diagram.
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4.1.5 Multiple Calculation Servers Diagram
Any calculations with a Calculation Server id of 'CALC' would be run by the Calculation Server
instance on the currently active Main OE Server. Calculations with a server id of 'REPORT' would be
run by the Calculation Server instance on the additional calculation server.
The Calculation Server dataservice and id is determined by arguments given to the Calculation Server
instance at start up..
4.1.6 Minimum Interval
This field allows the user to specify a minimum time which must elapse between the operation of
successive calculations.
It is useful when a calculation is being triggered by a signal, or a combination of diary and signal
triggering, and the readvalue of the trigger signal is changing rapidly.
It ensures that there will be a sensible amount of time elapsing between runs of the calculation or
report in these circumstances.
4.1.7 OK button
When selected, the Tabbed Calculation Configuration tool will close, saving any change s made to the
OpenEnterprise database.
4.1.8 Cancel Button
Tabbed Calculation Configuration tool will close. Any changes made on the dialog will not be saved to
the OpenEnterprise database.
4.1.9 Apply Button
When a change is made on the tabbed dialog, the [Apply] button becomes enabled. If it is selected,
any changes already made on the dialog are saved to the OpenEnterprise database, but the
configuration tool is not closed, remaining open for further modifications to be made.
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4.2 Action Tab
This dialog enables the user to change details belonging to the type of Calculation being used. Any
field that is enabled can be modified.
This group of controls enables the user to specify whether the Calculation Server is to run the Server
Side Calculator, a custom ActiveX DLL or an executable file.
4.2.1 Server Side Calculator
This is the default selection. The Server Side calculation type is automatically available for defining
Calculations. It is the only Calculation type that enables the user to define calculation arguments
(expressions) using the Calculation Editor, which is accessed via the Browse button ([...]) to the right
of the Arguments field.
4.2.2 ActiveX
If this radio button is left selected, then the Program ID field will be enabled for selection. This option
should be used when using Calculation DLL files created by the user. A Program Id must be
specified. The Calculation Editor will not be available for this type of Calculation.
4.2.3 File
If this option is selected, the Program ID field will be disabled and the Target and StartIn fields will
become enabled.
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4.2.4 ActiveX Program ID
If the Server Side Calculator is chosen, this field will be grayed out, and will contain the name of the
Server Side Calculator DLL (OEServerSideCalculator.Calc1).
If the ActiveX radio button is selected:-
Then the Program ID field is editable:-
The required user created ActiveX DLL file name must be entered.
The Calculation Server is able to find the path to the file from the Server's registry. File names of this
sort are in the format of two strings separated by a full stop (i.e. RealCalc.Add). The user must create
these files on the Server(s) using a programming language such as C++ or Visual Basic.
If the File radio button in the Type section has been chosen, this field is mandatory. The full pathname
of the target file may be typed in, or the user may select the [...] browse button to locate the target file
on the Server, and the file browse dialog will be opened.
It must be borne in mind however, that the pathname is relative to the Server, so DNS names will not
work. The file type may be an executable or a batch file.
4.2.5 File Start In
This is the working directory for the application started by the calculation. Any files created will be
stored within the identified directory.
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4.2.6 Arguments
These are arguments that are passed to the target file as it is opened. They may be typed in directly
or, depending on the Type of Calculation: -
• Be configured using the Calculation Editor (Server Side Calculator only). The Calculation
Editor is opened by selecting the browse button [...].
• Be contained in a batch file which may be located using the browse button [...] , remembering
that the path name must be relative to the Server.
4.2.7 Arguments Browse Button
This button will function differently, depending on the Type of Calculation: -
1. If it is a Server Side Calculation, this button will open the Calculation Editor
2. If it is a user defined ActiveX DLL, the button will be disabled
3. If it is a File, this button will display an 'Open File' dialog.
4.2.8 Allow Desktop Interaction
If this box is checked, then the interface of the target application will be displayed on the Server for
user interaction. If unchecked, then the target application will run invisibly on the Server.
4.2.9 OK button
When selected, the Tabbed Calculation Configuration tool will close, saving any change s made to the
OpenEnterprise database.
4.2.10 Cancel Button
Tabbed Calculation Configuration tool will close. Any changes made on the dialog will not be saved to
the OpenEnterprise database.
4.2.11 Apply Button
When a change is made on the tabbed dialog, the [Apply] button becomes enabled. If it is selected,
any changes already made on the dialog are saved to the OpenEnterprise database, but the
configuration tool is not closed, remaining open for further modifications to be made.
4.3 Trigger Tab
This dialog enables the user to change details belonging to the triggering of Calculations. Any field
that is enabled can be modified.
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4.3.1 Trigger Signals List
This list displays all configured trigger signals for the calculation. Trigger signals initiate the running of
a calculation when their readvalue attribute changes.
4.3.2 Add Trigger
If selected, the Configure Trigger Attribute dialog is displayed.
4.3.3 Modify Trigger
If selected, the Configure Trigger Attribute dialog is displayed.
4.3.4 Delete Trigger
The selected Trigger will be deleted. Before deletion a confirmation message will be displayed, which
will enable the user to abort the operation.
4.3.5 Disable Calculation
If checked, the Calculation is disabled, and will not run until enabled.
4.3.6 Ignore Completion Status
If checked, the next calculation will run regardless of the completion status of the current calculation.
If unchecked, the next calculation will only run if the current calculation completes successfully. The
default value is unchecked.
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4.3.7 Next Calculation
A list of currently configured calculations are available for selection. If one is selected, then the
selected calculation will run immediately after the current calculation, depending on the configuration
of the Ignore Completion Status field, and whether the current calculation is completed successfully.
4.3.8 Diary Name
A list of configured diaries is available to act as a triggering mechanism for the calculation. Both diary
and trigger signals may be used to trigger the same calculation.
4.3.9 OK button
When selected, the Tabbed Calculation Configuration tool will close, saving any change s made to the
OpenEnterprise database.
4.3.10 Cancel Button
Tabbed Calculation Configuration tool will close. Any changes made on the dialog will not be saved to
the OpenEnterprise database.
4.3.11 Apply Button
When a change is made on the tabbed dialog, the [Apply] button becomes enabled. If it is selected,
any changes already made on the dialog are saved to the OpenEnterprise database, but the
configuration tool is not closed, remaining open for further modifications to be made.
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5 Index
1
A
Access Area................................................. 8, 27
Action Tab........................................................ 29
B
Base................................................................. 21
Browse Dialog.................................................... 5
C
CalcEditor Cancel button ................................. 16
Calculation Editor............................................. 14
Confirmation Details Dialog.............................. 26
Cos Function Parameter.................................. 19
D
Delete Button ..................................................... 7
Diary Name ................................................24, 33
N
Next Calculation......................................... 23, 32
Calculation Configuration
O
Open File Dialog...............................................13
P
Parentheses......................................................15
S
Selected Signal.................................................22
Server Side Calculation Module .......................10
Sin Function Dialog...........................................18
Sqr Function Dialog ..........................................17
Start In ........................................................13, 31
T
Tag....................................................................24
Tan Function Parameter...................................19
Trigger Tab .......................................................31
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DISCLAIMER
Bristol, Inc., Bristol Babcock Ltd, Bristol Canada, BBI SA de CV and the Flow Computer Division , are wholly owned subsidiaries of Emerson Electric Co. doing business
as Remote Automation Solutions (“RAS”), a division of Emerson Process Management. ROC, FloBoss, ROCLINK, Bristol, Bristol Babcock, ControlWave, TeleFlow and
Helicoid are trademarks of RAS. AMS, PlantWeb and the PlantWeb logo are marks of Emerson Electric Co. The Emerson logo is a trademark and service mark of the
Emerson Electric Co. All other marks are property of their respective owners.
The contents of this publication are presented for informational purposes only. While every effort has been made to ensure informational accuracy, they are not to be
construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. RAS reserves the right to
modify or improve the designs or specifications of such products at any time without notice. All sales are governed by RAS’ terms and conditions which are available upon
request. RAS does not assume responsibility for the selection, use or maintenance of any product. Responsibility for proper selection, use and mai nt en ance of any RAS
product remains solely with the purchaser and end-user.
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