8 Reference Types ToC Previous Next

8.1 General ToC Previous Next

Figure 21 depicts the main ReferenceTypes of this specification and their relationship.

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Figure 21 – Reference Types Overview

The upper grey box shows the OPC UA core ReferenceTypes from which the IEC 61131-3 ReferenceTypes are derived. The grey box in the second level shows the IEC 61131-3 ReferenceTypes that this specification introduces.

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