→Global variable
according to →IEC-standard: →variable whose →scope is global
Access to a global variable is done by using →external variables. A global variable is also known as VAR_GLOBAL due to its respective →keyword .
logi.CAD 3 supports declaration/usage of global variables in these languages (according to IEC-standard):
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language |
details under |
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Declaration of global variables in ST |
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Declaring variables in LD and assigning a variable to contact/coil |
Moreover, it is possible to Other useful information are listed under "Declaring global variables for resource or configuration and using them".