IEC 61158-5-19:2010

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• Industrial communication networks - Fieldbus specifications - Part 5-19: Application layer service definition - Type 19 elements

  Description:

  IEC 61158-5-19:2010(E) specifies the structure and services of the type 19 IEC fieldbus Application Layer, in conformance with the OSI Basic Reference Model (ISO/IEC 7498) and the OSI Application Layer Structure (ISO/IEC 9545). This second edition cancels and replaces the first edition published in 2007 and constitutes a technical revision. The main change with respect to the previous edition are:
  - increasing the number of supported devices (511 instead of 254);
  - introducing a communication version identification;
  - adding a mechanism for remote address allocation;
  - introducing enhanced parameter addressing (32 bit instead of 16 bit);
  - restructuring control and status word;
  - improving the redundancy and hotplug features;
  - improving the error handling;
  - adding a multiplexing protocol (SMP: Type 19 Messaging Protocol).

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