ST Statement: CASE The CASE statement is a conditional control structure which causes a statement or a section of a statement to be executed only under a specific condition. The section which is execu

ST Statement: WHILE The WHILE loop is used like the FOR loop in order to execute statements several times until the abort condition occurs. The abort condition of a WHILE loop is a Boolean expression.

ST Statement: REPEAT The REPEAT loop is used like the WHILE loop, but with the difference that CODESYS only checks the abort condition after the execution of the loop. The consequence of this behavior

ST Statement: RETURN Use the RETURN statement in order to exit from a function block. You can make this dependent on a condition , for example. Example 64 . Example IF xIsDone THEN RETURN; END_IF; iCo

ST Statement: JMP The JMP statement is used for executing an unconditional jump to a program line that is marked by a jump label. Syntax: <label>: <instructions> JMP <label>; The jump label <label> is

Keywords In all editors, you must capitalize keywords that for example denote scopes, data types, or operators. Keywords cannot be used as variable names. Example 282 . Example VAR END_VAR BOOL_TO_INT

Method: FB_Init , FB_Reinit , FB_Exit You can declare the methods explicitly in order to influence the initialization of function block variables, as well as the behavior when exiting function blocks.

Global Init Slots Slot Plug-In / Library POU Description 123 GVLObject __var_persistent_write Copying of persistent variables from the persistent list to mapped instance paths 199 Compiler __var__reta

Shortcuts Users can customize the key combinations for their specific needs. The CODESYS Development System provides a series of default key combinations. These key combinations can be changed on the

Error Messages and Warnings :