SDK zur Realisierung von IEC 61131-3 Industrie-Steuerungen mit angepasstem SPS-Laufzeitsystem – programmierbar mit CODESYS.

CODESYS OPC Server

Standard Interface to access the IEC 61131-3 Process Data of a Controller via OLE for Process Control

Overview

CODESYS OPC Server – Standard Access to the Variables of a CODESYS PLC

OPC (OLE for Process Control) is a standard interface which provides access to the data of an automation process. Main task of the CODESYS OPC Server is the exchange of data (read / write) with the controller for example for visualizations or for process data logging programs. The CODESYS OPC Server is an additional Windows program delivered along with the IEC 61131-3 Development System CODESYS.

Supported specifications:

  • OPC Common Definitions and Interfaces Version 1.0
  • Data Access Custom Interface Standard Version 1.0a
  • Data Access Custom Interface Standard Version 2.05A
  • Data Access Custom Interface Standard Version 3.0
  • Data Access Automation Interface Standard Version 2.02
  • Alarms and Events Interface Version 1.10
  • Hierarchical browsing of variables supported

The CODESYS OPC Server

  • is free of charge and delivered along with the CODESYS Development System 
  • comprises the server, a server configurator and a logger (for debugging)
  • requires a symbol configuration in CODESYS with the data to be exported
  • can be connected to controllers programmable with CODESYS V3 or CODESYS V2.3.
    Details

    Features and Functionality of the CODESYS OPC Server:

    • Automatic start upon establishment of a client connection
    • Automatic trigger when a data value or a data status changes (OPC items)
    • Browsing the variable list (item pool or address space)
    • Managing the items in the data cache
    • Direct access to items in the controller possible (without cache)
    • Organization of the items in groups (private or public)
    • Optional integrated data logger for diagnostics
    • Multi-client support and multi-PLC support
    • OPC connection also possible to controllers with CODESYS V2.3
    • Included in the setup of the IEC 61131-3 programming environment CODESYS Development System

    Using the CODESYS OPC Server:

    • Development of the IEC 61131-3 project in CODESYS
    • Symbol configuration: Creation of the object in the application and selection of the variable values to be exported for the exchange of data via OPC
    • Configuration of the CODESYS OPC Server for the connection to the desired controller using the configuration tool
    • Login to the controller, download and execution of the PLC application
      ⇒ Automatic provision of the configured symbols via the CODESYS OPC Server
    • Start the OPC client and establish connection to the CODESYS OPC Server
      ⇒ Automatic start of the CODESYS OPC Server
      ⇒ Browse / use the item pool
    Howtoget

    How can you obtain and implement the CODESYS OPC Server?

    CODESYS OPC Server is part of the standard setup of the CODESYS Development System.

    The latest releases of CODESYS Development System can be downloaded for free from the CODESYS Store.


    For more information please contact our sales department under sales(at)codesys.com

    Information material

    CODESYS brochures and information material

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    CODESYS Runtime (Brochure)

    > pdf 1.61 MB
    CODESYS Runtime Brochure
    08/18/2016
    > Details

    IEC61131-3 controllers from intelligent devices (embedded to PC based) with the adaptable runtime system CODESYS Control.

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