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Standard

IEC 61158-2:2010 ED5

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Nota: Ultima versione: IEC 61158-2:2023 ED7

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Astratto

IEC 61158-2:2010 specifies the requirements for fieldbus component parts. It also specifies the media and network configuration requirements necessary to ensure agreed levels of: a) data integrity before data-link layer error checking; b) interoperability between devices at the physical layer. The fieldbus physical layer conforms to layer 1 of the OSI 7-layer model as defined by ISO 7498 with the exception that, for some types, frame delimiters are in the physical layer while for other types they are in the data-link layer. This fifth edition cancels and replaces the fourth edition published in 2007 and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - for Type 18, Table 157 reduced tolerance to 5 %; - for Type 18, in 32.5.3.1 removed minimum cable length; - for Type 18, in 32.5.4. and R.2.2 cable reference removed; - for Type 18, Table 160 and 161 terminating resistor value changed to 680 Ω. This bilingual version published in 2011-12, corresponds to the English version published in 2010-07.

Specifiche dei prodotti

  • Standard da IEC
  • Pubblicato:
  • Ritirato:
  • Edizione: 5
  • Tipo di documento: IS
  • Pagine
  • Publisher IEC
  • Distributor IEC
  • ICS 25.040.40
  • ICS 35.100.20
  • ICS 35.240.50
  • International TC TC 65/SC 65C

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