_PRG.locioVar1.xLocIn AT %IX1.0 : BOOL; PLC_PRG.locioVar1.xLocOut AT %QX0.0 : BOOL; PLC_PRG.locioVar2.xLocIn AT %IX1.0 : BOOL; PLC

Checking Syntax and Analyzing Code CODESYS provides useful functions for detecting errors and helping you to create programs. The syntax check marks errors and outputs them to the message view as earl

Checking Syntax When you input code, the precompile in CODESYS already runs some basic checks. Then, wavy underlines appear under buggy code in the editor and an error message is printed to the messag

Analyzing Code Statically You can also let your source code be analyzed by static analysis ("lint") during the code generation. This determines whether or not your source code complies with the coding

Orientation and Navigation :

Using the Cross Reference List to Find Occurrences The occurrences of symbols of a variable, a POU (program, function block, function), or a DUT can be displayed in a "cross reference list". Then you

Saving the Values of a Persistent Variable List to a Recipe Requirement: A project is opened and a persistent variable list with declarations of persistent variables exists under an application object

Using POUs for Implicit Checks CODESYS provides special POUs which implement implicit monitoring functions. At runtime, these functions check the limits of arrays or subrange types, the validity of po

Object-Oriented Programming CODESYS supports object-oriented programming with function blocks and makes the following functions and objects available for this purpose: Methods Interfaces Properties In

Extension of a Function Block General The extension of a function block is based on the concept of inheritance in object-oriented programming. A derived function block "extends" a base function block