EN
SR EN 61158-2:2011
Reţele de comunicaţie industriale. Specificaţii ale magistralei de câmp. Partea 2: Specificaţie a stratului fizic şi definire a serviciilor
IEC 61158-2:2010(E) specifies the requirements for fieldbus component parts. It also specifies the media and network configuration requirements necessary to ensure agreed levels of: - data integrity before data-link layer error checking; - interoperability between devices at the physical layer. This fifth edition cancels and replaces the fourth edition published in 2007. This edition constitutes a technical revision. It 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 Ohm.
Status :
Anulat
Data aprobării : 29.04.2011
Data anulării : 21.08.2017
Număr de pagini : 409
ICS : 25.040.40 Masurarea si controlul proceselor industriale,35.100 Interconexiunea sistemelor deschise (OSI),35.240.50 Aplicatii IT în industrie
Comitet tehnic : 23 - Măsurare, comandă şi automatizare în procesele industriale
- Inlocuieste SR EN 61158-2:2008
- Inlocuit prin SR EN 61158-2:2015