PROFIBUS networks
1.2 Basics of the PROFIBUS network
PROFIBUS Network Manual
System Manual, Edition 04/2009, C79000-G8976-C124-03
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1.2 Basics of the PROFIBUS network
1.2.1 Attachable systems
IEC 61158-2 / EN 61158-2
SIMATIC NET PROFIBUS products and the networks created with them comply with the
PROFIBUS standard IEC 61158-2 / EN 61158-2. The SIMATIC NET PROFIBUS
components can also be used with SIMATIC S7 to create a SIMATIC MPI subnet (MPI =
Multipoint Interface).
1.2.2 Standards
Standards for SIMATIC NET PROFIBUS
SIMATIC NET PROFIBUS is based on the following standards and directives:
● IEC 61158 2 to 6: 1993/2000 / EN 61158-2
Digital data communications for measurement and control - fieldbus for use in industrial
control systems
● EIA RS 485: 1983
Standard for electrical characteristics of generators and receivers for use in balanced
digital multipoint systems
Standards for SIMATIC NET PROFIBUS PA
SIMATIC NET PROFIBUS PA is based on the following standards and directives:
● IEC 61158 2: 1993
Fieldbus standard for use in industrial control systems Part 2: Physical layer specification
and service definition
● EN 61158 2: 1994
Fieldbus standard for use in industrial control systems Part 2: Physical layer specification
and service definition
● PTB Report W 53: 1993
Investigations into intrinsic safety of fieldbus systems, March 1993
● PNO guideline: 1996
PROFIBUS PA Installation Guideline (technical guidance for use of IEC 61158 2 with
PROFIBUS, No. 2.091)
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