IEC 61158-4-19:2019
Industrial communication networks - Fieldbus specifications - Part 4-19: Data-link layer protocol specification - Type 19 elements
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About This Item
IEC 61158-4-19:2019 defines the data-link layer protocol specification for Type 19 elements within Industrial communication networks - Fieldbus specifications. For engineering teams, procurement reviewers, and compliance specialists, it provides a technical reference for assessing how a fieldbus implementation should handle data-link layer behavior in a structured and interoperable way. IEC 61158-4-19:2019 is most relevant where network consistency, documented evaluation, and technical validation are part of the design or acceptance process.
Overview of IEC 61158-4-19:2019
This document focuses on the protocol specification at the data-link layer for Type 19 elements, supporting the broader IEC 61158 fieldbus framework. It is typically used when teams need a clear engineering specification for communication behavior, interface alignment, and verification activities in industrial automation environments. As a primary technical reference, it can assist with technical review, conformity assessment preparation, and system-level documentation where controlled network operation and operational consistency are important.
Compliance applications of IEC 61158-4-19:2019
IEC 61158-4-19:2019 is commonly relevant to equipment and systems that rely on fieldbus communications for control, monitoring, or coordinated industrial operation. It may support testing workflows in laboratories, product evaluation during development, and engineering documentation for networked devices or subsystems. Organizations often use this kind of technical document to align design decisions with compliance workflows, confirm protocol expectations during verification, and support procurement or acceptance reviews for automation-related equipment.
Importance of compliance with IEC 61158-4-19:2019
Using IEC 61158-4-19:2019 as a compliance reference can reduce risk by improving consistency in how fieldbus communication behavior is specified, reviewed, and tested. That matters for interoperability, quality assurance, and technical validation across connected industrial systems. It can also help teams prepare for conformity assessment by providing a documented basis for evaluation, which is useful in procurement decisions, engineering change control, and controlled deployment of networked equipment.
- Data-link layer protocol guidance for Type 19 fieldbus elements
- Support for engineering documentation and technical assessment
- Useful in verification activities and laboratory evaluation
- Relevant to interoperability checks and conformity assessment preparation
- Helps structure compliance workflows for industrial communication systems
- Publication Date: 2019-04-18
- Standard Status: Original
- Publisher: IEC
- Edition: 4
- This Version: IEC 61158-4-19:2019 (2019-04-18)
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