Lenze PLC Designer PLC Designer (R2-x) Uživatelský manuál stáhnout pdf (Strana 403)

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 DMS 3.2 EN 02/2011 TD29 401

The name of such a variable consists of a complete instance path through which the

individual POUs and instance names are separated from one another by periods. The

declaration must contain an address whose class (input/output) corresponds to that

of the incompletely specified address (%I*, %Q*) in the function block. Also the data

type must agree with the declaration in the function block.

Configuration variables, whose instance path is invalid because the instance does not

exist, are also denoted as errors. On the other hand, an error is also reported if no

configuration exists for an instance variable. In order to receive a list of all necessary

configuration variables, the "All Instance Paths" menu item in the 'Insert' menu can be

used.

Example for a Variable Configuration

Assume that the following definition for a function block is given in a program:

PROGRAM PLC_PRG

VAR

Hugo: locio;

Otto: locio;

END_VAR

Then a corrected variable configuration would look this way:

VAR_CONFIG

PLC_PRG.Hugo.loci AT %IX1.0 : BOOL;

PLC_PRG.Hugo.loco AT %QX0.0 : BOOL;

PLC_PRG.Otto.loci AT %IX1.0 : BOOL;

PLC_PRG.Otto.loco AT %QX0.3 : BOOL;

END_VAR

'Insert' 'All Instance Paths'

With this command a VAR_CONFIG - END_VAR-block is generated that contains all of

the instance paths available in the project. Declarations already on hand do not need

to be reinserted in order to contain addresses already in existence. This menu item can

be found in the window for configuration of variables if the project is compiled

('Project' 'Rebuild All').

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Lenze PLC Designer PLC Designer (R2-x) Uživatelský manuál Strana 403

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Lenze PLC Designer PLC Designer (R2-x) Uživatelský manuál Strana 403

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