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Creating Pair Cross-references

A pair cross-reference is usually used with motor overload switches or power circuit breakers. It is created by doubly placing a contact in the schematic. The first-placed pair cross-reference contact, at the main function, points to its counterpart, the second contact, which is "wired" in the schematic. This wired contact in turn points back to the associated pair cross-reference contact at the main function. To allow EPLAN to create a pair cross-reference, the Representation type of the pair cross-reference contact must be set to Pair cross-reference.

Preconditions:

  1. Double-click the component that you wish to define as a pair cross-reference.
  2. In the Displayed DT field of the <Function category> tab of the properties dialog, enter the DT of the device with which the component is to be cross-referenced.
  3. In the Representation type drop-down list of the Symbol / Function data tab, select the Pair cross-reference setting.
  4. Click [OK].

    The "Pair cross-reference" and the "logical" device are cross-referenced, i.e., the cross-references point to each other and no longer to the main element. The existence of a pair cross-reference symbol thus changes the cross-reference behavior of the main and auxiliary functions.

See also