Lenze DDS v2.3 Manuel d'utilisateur télécharger pdf (Page 143)

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101

Drive PLC Developer Studio

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l DDS EN 2.3

If the organization unit is given read and write access, the following pragma allows variable a to be

exported with write access only and variable b not at all.

VAR

a:INT {flag noread};

b:INT {flag noread,nowrite};

END_VAR

VAR

{flag noread on}

a:INT;

{flag noread,nowrite on}

b:INT;

{flag off}

END_VAR

Variables a and b are not exported into the icon file.

{flag noread, nowrite on}

VAR

a:INT;

b:INT;

END_VAR

{flag off}

VAR

{flag noread, nowrite on}

a:INT;

b:INT;

{flag off}

END_VAR

The pragma is inherited by the subordinate variable declarations.

a:afb;

FUNKTION_BLOCK afB

VAR

b:bfb{flag nowrite};

c:INT;

END_VAR

FUNKTION_BLOCK bfB

VAR

d:INT{flag noread};

e:INT{flag nowrite};

END_VAR

a.b.d is not exported.

a.b.e is exported with read access only.

a.c is exported with read and write access.

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Lenze DDS v2.3 Manuel d'utilisateur Page 143

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