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

-initialized with 0 , whereas

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

Attribute: ProcessValue With the 'ProcessValue' attribute, you decorate a member of a structure. In the CFC editor, you can then use the Use Attributed Members as Input command in order to connect thi

the prefix GVL : GVL.iVar:=5 [...] an error: iVar:=5; :

Attribute: reflection The pragma decorates a POU for a compiler search for function block variables which are decorated with the 'instance-path' attribute or the 'is_connected' attribute. POUs with th

Attribute: subsequent Important VAR_TEMP in a program with attribute 'subsequent' leads to a compiler error. The pragma is used to allocate consecutive variables in memory. When the list changes, the