Resumen:
IEC 61158-3-19:2019 defines the services provided to the Type 19 fieldbus application layer at the boundary between the application and data-link layers of the fieldbus reference model and systems management at the boundary between the data-link layer and systems management of the fieldbus reference model. This fourth edition cancels and replaces the third edition published in 2014. It constitutes a technical revision. The main changes are: lt;br /gt;-improving the hotplug and redundancy features; lt;br /gt;-improving the phase switching and the error handling; lt;br /gt;-editorial improvements
Keywords:
Open systems interconnection, Data link layer (OSI), Communication networks, Interfaces (data processing), Bus networks, Data transmission, Communication procedures, Automatic control systems, Process control, Fieldbus, Industrial, Computer networks