Fieldbus standard for use in industrial control systems - Part 2: Physical layer specification and service definition (IEC 61158-2:1993/A2:1996); German version EN 61158-2:1994/A2:1996— 17 стр.
Fieldbus standard for use in industrial control systems - Part 2: Physical layer specification and service definition (IEC 61158-2:1993/A1:1995); German version EN 61158-2/A1:1996— 42 стр.
Fieldbus standard for use in industrial control systems - Part 2: Physical layer specification and service definition (IEC 61158-2:1993); German version EN 61158-2:1994— 115 стр.
Digital data communication for measurement and control - Fieldbus for use in industrial control systems - Part 2: Physical layer specification and service definition (IEC 61158-2:2003 + corrigendum 2004); English version EN 61158-2:2004— 10 стр.
Digital data communication for measurement and control - Fieldbus for use in industrial control systems - Part 2: Physical layer specification and service definition (IEC 61158-2:2003 + corrigendum 2004); English version EN 61158-2:2004— 10 стр.