BS EN 61158-2:1994 : Implementation of EN 61158-2:1994 Fieldbus standard for use in industrial control systems — Part 2: Physical layer specification and service definition
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This Part of IEC 1158 specifies the requirements for Fieldbus component parts. It also specifies the media and network configuration requirements necessary to ensure levels of:
a) data integrity before Data Link Layer error checking;
b) interoperability between devices at the Physical Layer.
The Fieldbus Physical Layer conforms to layer 1 of the OSI 7-layer model as defined by ISO 7498 with the exception that frame delimiters are in the Physical Layer.
ICS 25.040.40 Industrial process measurement and control
Language:
English
Subject Keywords:
Data transmission; Reception; Coding (data conversion); Data processing; Electric connectors; Circuits; Control systems; Circuit properties; Physical layer (OSI); Interfaces (data processing); Electric cables; Automatic control systems; Computer networks; Messages; Open systems interconnection; Bus networks; Waveforms; Electrical resistance; Test equipment; Signal level; Data circuit-terminating equipment; Electrical impedance; Attenuation; Industrial; Dimensions; Computer terminals
BS EN 61158-2:1994 : Implementation of EN 61158-2:1994 Fieldbus standard for use in industrial control systems — Part 2: Physical layer specification and service definition