Data Type: Implicit Enumeration The implicit enumeration allows for an easy way to declare a new enumeration variable which is valid only within the local POU. A variable of this type can take a limit

Data Structure: UNION A UNION is a data structure with usually different data types. In a union, all components have the same offset and therefore the same amount of storage space. TYPE NAME_AB: UNION

Subrange type A subrange type is a data type whose value range is a subset of a base type. Syntax in the declaration: <variabel name> : <integer type> ( <lower index limit> .. <upper index limit> ) <v

Data Type: __VECTOR Note Vector operations are supported natively only on 64-bit processors and offer a performance advantage only on these processors. The data sheet of the controller provides inform

Pragmas Pragma statements influence the properties of one or more variables with respect to the compile or precompile process. Various categories of pragmas are available for this. Pragmas are current

Message Pragmas Message pragmas force the display of messages in the message view during the compile process. Insertion location: Separate or existing line in the text editor of a POU. Table 12 . 4 ty

Attribute pragmas Attribute pragmas influence compiling and precompiling. They are supported only in text editors. CODESYS supports a series of pre-defined attribute pragmas. In addition you can use u

Custom attribute User-defined attributes are any application-defined or user-defined attributes that you can apply to POUs, actions, data type definitions and variables. You can query a user-defined a

Attribute: call_after_global_init_slot Important VAR_INPUT declarations in functions or methods that use the attribute lead to compile errors. Reason: Input variables are unknown in this case at the t

Attribute: call_after_init Important VAR_INPUT declarations in functions or methods which use this attribute lead to compile errors. Reason: Input variables are unknown in this case at the time of the