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  • Ing.-Buero Allmendinger - OPC UA Client for WinCC
  • Publish date: 04/25/2014
  • Product release date: 04/25/2014
  • Product Version: 1.03
  • Product Webpage
Ing.-Buero Allmendinger www.allmendinger.de

OPC UA Client for WinCC

Enables process communication of Simatic WinCC with OPC Unified Architecture Servers (data Access) via Ethernet TCP/IP and the OPC Unified Architecture binary protocol.

The Software package contains the channel-DLL (OPCUA.chn) and a browsing tool (UATags.exe), which enables the discovery of OPC UA Servers via the OPC UA Discovery Service to find OPC UA Servers in the network or specific machines. With the tool it’s easy to navigate through the address space of the choosen OPC UA Server and choose the node which then will be automatically added to the Simatic WinCC Project. The needed connections in the WinCC Tag Management will also be created automatically and will be parameterized due to the choosen endpoint.

The channel will take care of the sucscription and monitored item Management and will create and parameterized them according to the use of the tags in the Simatic WinCC Project. Of course single or multiple tags can also be read in C-/VBA-Scripts, like in other channels.

For an easy overview of the address space, the browser does also give the opportunity to read and write single variables.

This solution has full Support of security mechanism (Sign and SignAndEncrypt) as well as User Access Control. The entered username and password are stored encrypted in the project, so they won’t be needed when reactivating the project.

Product details

Category: HMI

Supported Profiles and Facets

Application Profiles:

  • UACore 1.04
    • Minimum UA Client Profile

Additional Facets:

  • UACore 1.04
    • Attribute Read Client Facet
    • Attribute Write Client Facet
    • DataAccess Client Facet
    • DataChange Subscriber Client Facet
    • Method Client Facet

Security Policies:

  • UACore 1.04
    • SecurityPolicy - Aes256-Sha256-RsaPss
    • SecurityPolicy [A] - Aes128-Sha256-RsaOaep
    • SecurityPolicy [B] – Basic256Sha256
    • SecurityPolicy – Basic128Rsa15
    • SecurityPolicy – Basic256
    • SecurityPolicy – None

User Tokens:

  • UACore 1.04
    • User Token – Anonymous Client Facet
    • User Token – User Name Password Client Facet

Product certification history

Certified Profiles UA Generic Client
Certificate Number 1505CS0066
Certification Date 05/13/2015
Expiration Date 05/31/2018
CTT Version 1.2.335.238
Product Name OPC UA Client WinCC
Certified Product Version 1.03
UA Generic Client
Certified Profiles UA Generic Client
Certificate Number 1209CS0031
Certification Date 09/21/2012
Expiration Date 09/30/2015
CTT Version 1.1.0.2819
Product Name OPC-UA Client/Browser for Simatic WinCC
Certified Product Version 1.0.7.100
UA Generic Client