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sklademVydáno: 2019-04-18
IEC 61158-4-19:2019
Industrial communication networks - Fieldbus specifications - Part 4-19: Data-link layer protocol specification - Type 19 elements
Réseaux de communication industriels - Spécifications des bus de terrain - Partie 4-19: Spécification de protocole de la couche liaison de données - Eléments de Type 19
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| Označení normy: | IEC 61158-4-19:2019 |
| Vydáno: | 2019-04-18 |
| Jazyk: | Anglicky |
Popis
IEC 61158-4-19:2019
IEC 61158-4-19:2019 specifies procedures for the timely transfer of data and control information from one data-link user entity to a peer user entity, and among the data-link entities forming the distributed data-link service provider and the structure of the fieldbus DLPDUs used for the transfer of data and control information by the protocol of this standard, and their representation as physical interface data units. This fourth edition cancels and replaces the third edition published in 2014 and constitutes a technical revision. The main changes are: •improving the hotplug and redundancy features; •improving the phase switching and the error handling; •editorial improvements