CODESYS Development System
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
CODESYS Development System
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
CODESYS Development System
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
CODESYS Development System
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
CODESYS Development System
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
CODESYS Development System
POU: CheckRangeSigned Function for monitoring the range limits of a subrange type of type DINT Monitoring range limits This monitoring function is responsible for the appropriate handling violations t
CODESYS Development System
POU: CheckLRangeSigned Function for monitoring the range limits of a subrange type of type LINT For an implementation example of range monitoring, see the help page for the CheckRangeSigned function.
CODESYS Development System
POU: CheckRangeUnsigned Function for monitoring the range limits of a subrange type of type UDINT For an implementation example of range monitoring, see the help page for the CheckRangeSigned function
CODESYS Development System
POU: CheckLRangeUnsigned Function for monitoring the range limits of a subrange type of type ULINT For an implementation example of range monitoring, see the help page for the CheckRangeSigned functio
CODESYS Development System
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