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 20 . 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: noinit The pragma is applied to variables that should not be implicitly initialized. Syntax : {attribute 'no_init'} {attribute 'no-init'} {attribute 'noinit'} Insert location: Line above th

Attribute: pack_mode The pragma defines how a data structure is packed during the allocation. The attribute has to be inserted above the data structure and affects the packing of the entire structure.

Attribute: const_replaced, const_non_replaced The 'const_replaced' attribute has the effect that the constant is replaced in the code, independently of the setting of the Replace constants compiler op

Attribute: displaymode The pragma defines the display mode of an individual variable. This definition overwrites the global setting for the display of the monitoring variable, which takes place via th

Attribute: linkalways The pragma {attribute 'linkalways'} instructs the compiler to always include a POU or a library POU in the compile information. During the build, the POU is compiled and is part

Attribute: monitoring_encoding The attribute pragma is allowed for variables of data type STRING and for variables of an alias data type of type STRING . The attribute has the effect that the values o

Attribute: no_copy In general, an online change requires a re-allocation of instances of a POU. In the process, the value of the variable contained in the instance is copied. The pragma prevents the v