Hardware manual

MICRO PANEL Quick Start Guideline XV-2xx Systems
The first PLC Program
4.5 SYMBOL-FILE CONFIGURATION
The communication between controller and a possible visualization is done over a symbolic address
of the variables. To be able to do that a symbol configuration has to be generated. Furthermore the
through this process generated symbol file can also be used as a variable import file for the
visualization. Through the import of the symbol file in the visualization all generated variables name
(symbols) in the PLC are known to the visualization and do not have to be entered again.
The symbol file is used as the basis of communication. The contents of the symbol file are configured
in the PLC-development platform. When compiling the symbol file is then generated and when
downloading the program to the PLC also the symbol file is downloaded.
Out of performance reasons it is suggested that only variables that are needed in the
visualization should be exported to the symbol file. Thus the variable field should be
structured. This can be applied as example by defining a global variable area where
the variables are separated between variables for visualization and variables that
are not used in the visualization.
Procedure:
In case you have not saved the PLC project yet, save the project via the menu FileÆSave as… on
you PC.
Generation of a new variable list:
• Under the project tree click on the register “Resources”
- The resource-project tree will open.
• In the resource-project tree open the directory “Resource/Global Variables”.
• Click with the right mouse button the entry „Global Variables“ and select „Insert Object…“.
Subject to technical changes
M001789-01.DOC
© by Micro Innovation
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