IEC 61158-5-19 Ed. 2.0 b:2010

IEC 61158-5-19:2010 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). This bilingual version published in 2012-01 corresponds to the English version published in 2010-08.