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: Property Symbol: Keyword: PROPERTY Properties are an extension of the IEC 61131-3 standard and a tool for object-oriented programming. Properties are used for data encapsulation because they a

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: CheckBounds The task of this monitoring function is to handle bound violations appropriately. Examples of reactions to violations include setting error flags and changing the value of the array i

POU: CheckDivInt Functions for preventing division by "0": CheckDivInt, CheckDivLint, CheckDivReal, and CheckDivLReal To prevent division by zero, you can use the functions CheckDivInt , CheckDivLint

POU: CheckDivLInt Functions for preventing division by "0": CheckDivInt, CheckDivLint, CheckDivReal, and CheckDivLReal To prevent division by zero, you can use the functions CheckDivInt , CheckDivLint