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This Document Has Been Superseded
A newer publication replaces it: BSI BS EN 62591
Industrial communication networks. Fieldbus specifications. WirelessHART communication network and communication profile
IEC/PAS 62591:2009(E) specifies the procedures for the transfer of data and control information from one Data-Link user entity to another user entity or many, and among the Data-Link entities forming the distributed datalink service provider.
It also details the structure of the fieldbus DLPDUs used for the transfer of data and control information by the protocol of this publication, and their representation as physical interface data units.
The procedures are defined in terms of the interactions between DL-entities (DLEs) through the exchange of fieldbus DLPDUs; the interactions between a DL-service (DLS) provider and a DLS-user in the same system through the exchange of DLS primitives; and the interactions between a DLS-provider and a Ph-service provider in the same system through the exchange of Ph-service primitives.
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