Examples of using Data extensions in English and their translations into Czech
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Each data extensions can be displayed and edited.
This variable is not functional for Web panels and data extensions.
The data extensions can be defined only in the PmData object.
Represents the scripting interface of data extension, see Data extensions.
Multiple data extensions can be defined for each variable.
The basic functionality of the Var variable can be extended by adding one or multiple data extensions.
Data extensions of variables in the PmData object allow to.
This configuration window can be opened from Data extensions configurator in the variable of the PmData object.
All data extensions are in this case saved into a single system text.
On the Data page, the items are imported by the data extensions of the items defined in the PmData object see ExtComm.
Data extensions allow to integrate new functionality to particular variables in the PmData object.
This way it is possible to use advanced capabilities of the alarm subsystem that are not available via the data extensions.
All data extensions registered in this object can be accessed by method GetVarExtensions.
The variables can be defined directly in the PmOpcClientData object, butbetter solution is to define the variables by using the data extensions.
Data extensions: The Var variable directly contains only basic functionality most important common properties.
It is possible to find and display all data extensions in the PROMOTIC system, that contain reference to a specific target object.
This object is obsolete(but functional) and for creating alarms,it is more convenient to use Data extensions defined in data items of the PmData object.
The data extensions are PROMOTIC system components, extending the basic functionality of Var data items variables.
Every variable of this object can be extended by other functionality(see Data extensions), for example by alarm connections, OPC or DDE communication, etc.
Important: Data extensions: A new conception for adding functionality into data items of the PmData object was created.
The contents of complete data extension(all configurators) can be saved as a single string. It is even possible to save all data extensions of one Var object as single string,where each data extensions is separated by comma.
Fixed bug: When data extensions were modified in the development environment, the changes did not save bug since version Pm8.3.10.
References to Data extensions objects in the Var variable can also be done directly by extending the path of the Pm method using the ext identifier.
The data extensions can be defined in the Data extensions configurator, in the configuration window setting the properties of each variable.
The data extensions are created(configuration and source part) in the Var item(variable) of the PmData( PmCommData, PmOpcClientData, PmTrend) object.
Most types of the data extensions contain the reference to the target object, where the data extensions register and are given the desired functionality.
The data extensions can significantly simplify the design of the application and allow to concentrate the logic of processing the desired valuo on a single spot- into the PmData object.
Opens the List of data extensions window, displaying a list of all found data extensions(defined anywhere in the application), designed for this specific target object.
Each data extension type enables its own set of special properties.
Returns name of the data extension"ExtComm.