Attribute: reflection The pragma decorates a POU for a compiler search for function block variables which are decorated with the 'instance-path' attribute or the 'is_connected' attribute. POUs with th

Attribute: subsequent Important VAR_TEMP in a program with attribute 'subsequent' leads to a compiler error. The pragma is used to allocate consecutive variables in memory. When the list changes, the

Attribute: to_string The pragma affects how the result of converting an enumeration component with the TO_STRING operator is output. If the enumeration declaration has the pragma, then the name of the

Constant: Typed Literal With the ecxeption of REAL or LREAL -Constants (in this case, always LREAL is used) the smallest possible data type is used when calculating with IEC constants. If you want to

Access to Variables in Arrays, Structures, and Blocks Access to array elements Syntax: <name of array variable> [  <comma-separated list of dimension indexes>  ] <name of array variable> Name of the a

Bit Access in Variables Important Implement concurrent bit access by two tasks only if the processor can execute bit access directly on the memory. All x86 and x64 systems have commands for bit access

CODESYS Essentials CODESYS GmbH Version: V3.5.20.0, March 2024 www.codesys.com Last update:  Mon, 19 Aug 2024 15:07:55 :

CODESYS Development System The CODESYS Development System is the IEC 61131-3 programming tool for controller and automation technology. The programming system is available in a 32-bit and a 64-bit ver

Overview Using the CODESYS Help The CODESYS Help is intended to assist you in using the CODESYS Development System easily and successfully. You will find quick answers to questions and solutions to pr

Whitepaper: Modularization from the User Perspective Introduction In CODESYS 3.5 SP17, we completed a major architectural restructuring. Previously, most of the programming system functionality was bu