CODESYS Development System
Operator: Namespace for Global Variable Lists The operator is an extension of the IEC 61131-3 standard. You can use the name of a global variable list (GVL) as a namespace identifier for the variables
CODESYS Development System
Operator: Library Namespace Syntax: <library namespace>.<library POU identifier> Example: LIB_A.FB_A A library POU identifier is appended with the library namespace (as a prefix separated by a dot) fo
CODESYS Development System
Operator: Enumeration Namespace The operator is an extension of the IEC 61131-3 standard. You can use the TYPE name of an enumeration for unique access to an enumeration constant. In this way, you can
CODESYS Development System
Operator: __POOL The operator is an extension of the IEC 61131-3 standard. The operator is used to reference objects which are managed in the global POU pool (in the POUs view). The operator directly
CODESYS Development System
Operator: INI Tip The INI operator is an operator of CoDeSys V2.3 . This operator is replaced by the FB_Init method as of CODESYS V3. However, you can still use this operator in projects that are impo
CODESYS Development System
Operands Constants and literals Constants are identifiers for unchangeable values. You can declare constants locally within a POU or globally within a global variable list. The declaration segment is
CODESYS Development System
Constant: Character The character literal for a single Unicode character has the base type UDINT . The type prefix UCHAR# is prefixed to the literal as an identifier. The numerical value of the charac
CODESYS Development System
Constant: TIME, LTIME You can use TIME constants to operate the standard timer modules. The constant has a size of 32 bits and a resolution in milliseconds. In addition, the time constant LTIME is ava
CODESYS Development System
ST Statement: EXIT The EXIT statement is used in a FOR loop, WHILE loop, or REPEAT loop in order to end the loop regardless of other abort conditions. :
CODESYS Development System
ST Function Block Call Calling a function block in ST Syntax <FB instance>(<FB input variable>:=<value or address>\|, <other FB input variables>); Example 67 . Example TMR:TON; TMR (IN:=%OX5, PT:=T#30