CODESYS Development System
Operator: __VARINFO The operator is an extension of the IEC 61131-3 standard. The operator yields information about a variable. You can save the information as data structure in a variable of data typ
CODESYS Development System
Operator: __CURRENTTASK The operator is an extension of the IEC 61131-3 standard. At runtime, the operator provides information about the IEC task that is currently running. Tip The operator is suppor
CODESYS Development System
Operator: __COMPARE_AND_SWAP The multicore operator is an extension of the IEC 61131-3 standard. The operator can be used for implementing a semaphore, for example to guarantee exclusive access to a v
CODESYS Development System
Operator: __XADD The multicore operator is an extension of the IEC 61131-3 standard. The operator can be used for implementing an atomic counter. If an integer variable is incremented by means of ordi
CODESYS Development System
Operator: __POSITION The operator is an extension of the IEC 61131-1 standard. At runtime, the operator yields the position of a variable in the declaration part or in the implementation part of a POU
CODESYS Development System
Variable: VAR_INST The VAR_INST instance variables are allowed only in methods. This kind of variable can be accessed only within the method. You can monitor the variable values of instance variables
CODESYS Development System
Variable: VAR_CONFIG Configuration variables assign the full address to variables which are declared in function blocks with incomplete address information and that should be mapped to device I/Os. Th
CODESYS Development System
Variable: CONSTANT Constant variables are declared in global variable lists or in the declaration part of programming objects. In implementations, constant variables can be accessed as read-only via t
CODESYS Development System
Variable: VAR_GENERIC CONSTANT Generic Constant Variable A generic constant is a variable in the VAR_GENERIC CONSTANT declaration area of a function block which is not assigned an initialization value
CODESYS Development System
Variable: PERSISTENT Persistent variables are declared in the declaration section VAR_GLOBAL RETAIN PERSISTENT in the persistent global variable list. For variables that are marked with the PERSISTENT