Engineering Change Notice (ECN)

Engineering Change Notice (ECN)

An engineering change notice (ECN), or change notice, is a document which records and authorizes a change to a drawing or design.  ECNs is an integral part of engineering best practices and provide the controls and documentation necessary to ensure that changes are recorded and can be found by the right person at the right time. 

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Bi-directional Publish

Submitting or publishing the data from one business system to another. Bi-directional publishing allows information to be sent back to the original or master business system that sent the data. An example is an engineering change number (ECN). Updated part details in the Item Master sent from a PDM system to an ERP system, and then a new ECN generated by ERP gets sent back to the PDM system.