Object: Function Block A function block is a POU that yields one or more values when executed. The object is added to the application or the project by clicking Project → Add Object → POU . In the dev

Object: Function A function is a POU which supplies precisely one data element when executed and whose call in textual languages can occur as an operator in expressions. The data element can also be a

Object: Method Symbol: Keyword: METHOD Methods are an extension of the IEC 61131-3 standard and a tool for object-oriented programming which is used for data encapsulation. A method contains a declara

Object: Interface Method Symbol: The object is used for object-oriented programming. You add the Interface Method object is added to an interface by means of the Project → Add Object command. If a met

Object: Interface Property Symbol: Interface properties are an extension of the IEC 61131-3 standard and a tool for object-oriented programming. An interface property declares the accessor methods Get

Object: Action Symbol: Implement more program code in an action. You can implement this program code as the base implementation in another language. The base implementation is a function block or a pr

Object: Transition Symbol: The object can be used as a transition element in a program block implemented in SFC. For more information, see: SFC Elements: Step and Transition Input support when generat

Object: POUs for Implicit Checks You can add these special POUs to an application to provide them with implicit monitoring functions. At runtime, these functions check the limits of arrays or subrange

POU: CheckPointer Monitoring function for pointers (CheckPointer) Use this function to monitor the memory access of pointers in runtime mode.  As opposed to other monitoring functions , a standard sug

Object: POU Locations This object is available only for specific controllers. It is displayed automatically in the device tree. The object cannot be added or removed manually. The object can be used f