The name CoDeSys is actually an acronym that stands for Controller Development System. CoDeSys is a software development environment for programming controller applications. It endears to the international industrial standard IEC 61131-3. CoDeSys is an open source solution and can be downloaded free of charge from the company’s website.
CoDeSys was first developed in 1994 by the German software company 3S-Smart Software Solutions located in Kempten. All five programming languages for application programming defined in the IEC 61131-3 are available in the CoDeSys development environment including Ladder diagram (LD), Sequential Function Charts (SFC), Function Block Diagram (FBD), Structured Text (ST), and Instruction List (IL). This give users of the tool greater flexibility and interoperability. It also allows control engineers the ability to program for many different applications in the languages they are most comfortable in.
Over 250 device manufacturers from different industrial sectors now offer intelligent automation devices with a CoDeSys programming interface.
So What Does it do?
CoDeSys is basically PLC software. It allows device manufactures to add PLC capabilities to their devices. This greatly increases the ability of the devices while also allow the user to eliminate many costly PLC's in there architectures.
CoDeSys is one of the most powerful IEC 61131-3 programming tools for controllers. CoDeSys supports all five programming languages of the standard combining the power of advanced programming languages such as C or Pascal with the easy handling and operational functions of PLC programming systems.
Unlike some competitive IEC 61131-3 offerings, CoDeSys produces native machine code for a large number of common processors. Native machine code is inherently faster and more reliable than interpreted solutions.
The entire programming kit including a manual and online assistance is available in German, English or French. Parts of the tool, e.g. the online help are available in other languages like Russian, Chinese or Spanish.
CoDeSys provides competitive advantages:
3S is able to perform a complete test adaptation (including online functionality) on any standard processor hardware within two days’ time. CoDeSys has ready backends for all current processors. In order to keep customization time and resulting expenses to a minimum the run time system, programming system and code generation are perfectly coordinated, thus saving your time and ensuring your products reach the marketplace swiftly.
A Practical, Easy-to-Use Approach
Functions such as Autodeclare, Autoformat and a context-sensitive input assistance greatly simplify the use of CoDeSys. All functions are accessible by use of the keyboard. What additionally ensures fast and efficient work is the exceptionally low number of resources CoDeSys requires.
Native code generators for all common processors guarantee the optimal use of your control system. Due to intelligent algorithms such as 'incremental compile' large projects with thousands of global variables and hundreds of components can be realized in surprisingly short compiling time spans. CoDeSys supplies users with a broad range of high-performance program development functionalities, e.g. almost all data types specified in the IEC 61131-3, offline simulation as well as powerful online functions such as breakpoints, single stepping, power flow, sampling trace and online change.
The CoDeSys Automation Alliance (CAA) is an international alliance of manufacturers who offer intelligent automation devices programmable with CoDeSys. The Main goal of the CAA is to offer a pool of devices for different industrial tasks which are all programmable with a single tool. Full interoperability and the exchange of data on application level are guaranteed by the member companies who come together in regular workshops to further the process of standardization.
A worldwide network of CoDeSys system partners offers a variety of services for CoDeSys users such as end user support, training, consulting, application programming or system integration.
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