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IEC 60955 Ed. 1.0 Edition 07/1989
Process data highway, Type C (PROWAY C), for distributed process control systems
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Abstract

Specifies those elements which are required for compatible interconnection of stations by way of a Local Area Network (LAN) using the Token Bus access method in an industrial environment. These elements include: the electrical and physical characteristics of the transmission medium; the electrical transmission signalling method used by the Physical protocol; the services and signals provided at interfaces between the Physical and Media Access Control entities; the frame formats transmitted; the Token Bus Media Access protocol; the services provided at the conceptual interface between the Medium Access Control (MAC) sublayer and the PROWAY Link Control (PLC) sublayer above it; the PROWAY Link Control (PLC) protocol; the services provided at the conceptual interface between the User of PROWAY and the PROWAY Link Control (PLC) sublayer; the Management of PROWAY stations.

Status

Standard - Superseded

Origin

Technical Committee :
65C : Industrial networks

Implementation

start of the vote on the project      date of ratification (dor)   
end of the vote on the project      date of anouncement (doa)   
start of the vote on the final project      date of publication (dop)   
end of the vote on the final project      date of withdrawal (dow)   


Publication Official Journal
of the Grand-Duchy of Luxembourg
Reference

Relations

Evolutions
IEC 60951-3 Ed.3.0 RLV
IEC 60951-3 Ed.3.0 RLV
IEC 61784-1 Ed. 2.0
IEC/TR 61158-1 Ed. 2.0
IEC 61784-2 Ed. 1.0

International Classification for Standards (ICS codes) :

25.040.40 : Industrial process measurement and control
35.200 : Interface and interconnection equipment

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