IEC 61158-6-19:2010

Industrial communication networks - Fieldbus specifications - Part 6-19: Application layer protocol specification - Type 19 elements

IEC 61158-6-19:2010(E) specifies the protocol of the Type 19 fieldbus application layer, in conformance with the OSI Basic Reference Model (ISO/IEC 7498-1) and the OSI application layer structure (ISO/IEC 9545). It defines the protocol provided to define the wire-representation of the service primitives defined in IEC 61158-5-19:2010, and the externally visible behavior associated with their transfer. This second edition cancels and replaces the first edition published in 2007 and constitutes a technical revision. The main changes 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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