BS EN IEC 61158-4-2:2019 Industrial communication networks. Fieldbus specifications Data-link layer protocol specification. Type 2 elements

Process control
Open systems interconnection
Bus networks
Communication procedures
Communication networks
Interfaces (data processing)
Computer networks
Data link layer (OSI)
Fieldbus
Industrial
Automatic control systems
Data transmission

Link: BS EN IEC 61158-4-2:2019 Industrial communication networks. Fieldbus specifications Data-link layer protocol specification. Type 2 elements
Source: BSI Standards

BS EN IEC 61158-5-4:2019 Industrial communication networks. Fieldbus specifications Application layer service definition. Type 4 elements

Fieldbus
Process control
Open systems interconnection
Communication procedures
Application layer (OSI)
Data transmission
Computer networks
Industrial
Interfaces (data processing)
Automatic control systems
Bus networks
Communication networks

Link: BS EN IEC 61158-5-4:2019 Industrial communication networks. Fieldbus specifications Application layer service definition. Type 4 elements
Source: BSI Standards

BS EN IEC 61158-3-19:2019 Industrial communication networks. Fieldbus specifications Data-link layer service definition. Type 19 elements

Interfaces (data processing)
Data link layer (OSI)
Data transmission
Open systems interconnection
Automatic control systems
Process control
Communication networks
Communication procedures
Computer networks
Industrial
Fieldbus
Bus networks

Link: BS EN IEC 61158-3-19:2019 Industrial communication networks. Fieldbus specifications Data-link layer service definition. Type 19 elements
Source: BSI Standards

BS EN IEC 61158-3-4:2019 Industrial communication networks. Fieldbus specifications Data-link layer service definition. Type 4 elements

Communication networks
Interfaces (data processing)
Communication procedures
Computer networks
Industrial
Data link layer (OSI)
Automatic control systems
Bus networks
Fieldbus
Open systems interconnection
Process control
Data transmission

Link: BS EN IEC 61158-3-4:2019 Industrial communication networks. Fieldbus specifications Data-link layer service definition. Type 4 elements
Source: BSI Standards