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 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: 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: 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: no_instance_in_retain The pragma has the effect that function modules decorated with it cannot be instantiated as a RETAIN variable. The pragma prevents the instance of a function block fro

Attribute: no_virtual_actions The pragma is used for function blocks that are derived from a function block implemented in SFC and use the fundamental SFC sequence of this base class. The actions call

Attribute: pingroup The effect of this pragma is that the input pins or output pins (parameters) are grouped in the declaration of a function block. In the FBD/LD editor, a pin group defined in this w

Attribute: pin_presentation_order_inputs, pin_presentation_order_outputs Important This pragma is not evaluated when {attribute 'pingroup' := '<Group_Name>'} pragma is used. The pragmas are evaluated