8 System Architecture and Profiles ToC Previous Next

8.1 Address space structure ToC Previous Next

An OPC UA Server must provide the CncInterface Object of type CncInterfaceType when supporting this companion standard. The CncInterface manages

  • a list containing all CNC axis Objects (CncAxisList of type CncAxisListType),
  • a list containing all CNC spindle Objects (CncSpindleList of type CncSpindleListType) and
  • a list containing all CNC channel Objects (CncChannelList of type CncChannelListType). CNC Channel Objects shall reference all CNC drive Objects (axes, spindles) affiliated to this channel.

If a CNC system’s OPC UA Server supports file access, the entry point to the file system is a FileSystem Object in the standard UA Namespace (0:http://opcfoundation.org/UA/) that must be subordinated to the CncInterface Object.

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