IEC 60955:1989
Process data highway, Type C (PROWAY C), for distributed process control systems
OVERVIEW
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.
COMMENTS
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PRODUCT DETAILS
| Status | Withdrawn - 02 Jan 2026 |
|---|---|
| Edition | 1989 |
| No. of Pages | 513 |
| ICS Classification | 25.040.40 Industrial process measurement and control 35.200 Interface and interconnection equipment |
| Committee | TC 65/SC 65C |
| Available for Purchase | For sale in Singapore only |
| Adoption | IEC : 0 |