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UNE EN 61158-4-21:2012
Industrial communication networks - Fieldbus specifications - Part 4-21: Data-link layer protocol specification - Type 21 elements (Endorsed by AENOR in July of 2012.)
Redes de comunicaciones industriales. Especificación de Fieldbus. Parte 4-21: Especificación del protocolo de la capa de enlace de datos. Elementos de tipo 21 (Ratificada por AENOR en julio de 2012.)
CURRENCY
| Standard number: | UNE EN 61158-4-21:2012 |
| Pages: | 109 |
| Released: | 2012-07-01 |
DESCRIPTION
This standard UNE EN 61158-4-21:2012 Industrial communication networks - Fieldbus specifications - Part 4-21: Data-link layer protocol specification - Type 21 elements (Endorsed by AENOR in July of 2012.) is classified in these ICS categories:
- 35.100.10
- 35.100.20
- 35.240.50
- 25.040.40
- 35.110