Release CODESYS Version 3.5 SP14

CODESYS V3.5 SP14 was released and is now available for download in the CODESYS Store.

The new version is now available for download from the CODESYS Store.

OEM customers (device manufacturers who offer devices programmable with CODESYS) can download the corresponding release document from the CODESYS Customer Portal or get the release information (inlcuding release notes) in the CODESYS JIRA database.

A detailed overview of all new features and improvements can be found in the features & improvements presentation.

Overview of the main features:

CODESYS Engineering

  • Improvements of the intelligent input assistance, watch list / monitoring / CPU load, debugging
  • New data type: __VECTOR[3] of LREAL bzw. REAL
  • Atomic operators for task synchronization especially for multicore architectures
  • General improvements: Display of access modifiers („PROTECTED“, „PRIVATE“, „INTERNAL“) in the device tree, global and persistent bookmarks in the source code
  • Extensive improvements of the ST editor, including highlighting of identical symbols, incremental search, hotkey commenting, themes for optical display
  • CFC: Accelerated insertion of many elements


  • PLCHandler: 64-bit version for Windows and Linux, encrypted communication, standard monitoring for embedded controllers
  • OPC UA: Access to complex data types as single query
  • Security: User administration and encrypted communication configurable as user option
  • MemPoolManager: No interference from tasks running in parallel
  • 64-bit runtime system for ARM devices
  • Option: Multicore for Raspberry Pi ( starting with Pi2 model B)

CODESYS Visualization

  • Rotatable element groups
  • Improvements in trend and standard elements
  • Preview: Overlay technology with extensive features, including easily configurable animations and usage of animated GIFs and SVGs
  • CODESYS HMI SL: Dynamic communication addresses via IEC variables


  • Robotics: Improvements in reproducibility and performance

CODESYS Fieldbus

  • Device descriptions can be post-installed in the scan dialog
  • Status indication in the device tree can be switched off via interface
  • CAN: Support of the USB adapter from IXXAT
  • EtherCAT: Support of redundant networks in CODESYS, redundancy, support of new devices for Fast Hot Connect, allocation of process data and frame data possible
  • EtherNet/IP: Easier troubleshooting, improved conformity of EDS files
  • KNX: Updates independent of the overall system, detail improvements in configuration and diagnostics, download of the CODESYS plug-in for ETS5 directly at KNX
  • PROFINET: Improvements in reconfiguration and diagnostics, support of the latest conformance test