IEC 61158-5-13:2014

Overview

IEC 61158-5-13:2014 is an international standard developed by the International Electrotechnical Commission (IEC) that defines the application layer services for industrial fieldbus communication networks. Specifically, this part of the IEC 61158 series addresses Type 13 elements at the boundary between the user application and the application layer of the fieldbus reference model, as well as system management interfaces.

The standard aligns with the OSI Basic Reference Model (ISO/IEC 7498-1) and the OSI Application Layer structure (ISO/IEC 9545), ensuring interoperability and consistency in industrial communication networks. The 2014 edition is a technical revision of the 2007 version, incorporating synchronization features, corrections, and editorial improvements.

Key Topics

• Application Layer Service Definition
  Defines the application layer services that enable user programs to interact with the fieldbus communication environment effectively.

• Type 13 Elements Specification
  Details the structure and service primitives of FAL (Fieldbus Application Layer) specific to Type 13 elements, including application service elements (ASEs), application relations (ARs), and associated communication models.

• Synchronization Feature
  Introduces synchronization capabilities to improve the coordination of communication and system management within fieldbus networks.

• Conformance and Structure
  Specifies conformance requirements, data types, service primitives, and the mapping of protocol functions to OSI application layer concepts.

• Service Primitives & Communication Models
  Provides detailed tables defining service primitives such as Status, Sync, Network Management commands, Service Data Object (SDO) transfers, and Process Data Object (PDO) transfers, essential for control and monitoring functions.

Applications

IEC 61158-5-13:2014 is crucial for engineers, system integrators, and manufacturers working with industrial automation and control systems that rely on fieldbus networks. Key applications include:

• Industrial Automation Systems
  Facilitates reliable and standardized communication between programmable logic controllers (PLCs), sensors, actuators, and other field devices.

• Process Control
  Supports communication in process industries requiring synchronized and managed data exchange for safety and efficiency.

• Networked Device Interoperability
  Ensures devices from various vendors can communicate seamlessly within a fieldbus environment, enhancing flexibility and scalability.

• System Management Integration
  Enhances maintenance and operation through standardized interfaces between application layers and system management functions.

• Real-Time Industrial Communication
  Enables deterministic data exchange critical for time-sensitive industrial applications using the synchronization feature.

Related Standards

• IEC 61158-1: Fieldbus Reference Model - defines the overall architecture and layering of fieldbus communication, including physical and data-link layers.

• ISO/IEC 7498-1: OSI Basic Reference Model - serves as the foundational framework for layered communication protocols.

• ISO/IEC 9545: OSI Application Layer Structures - provides the conceptual structure for application layer services in open systems.

• IEC 61784-1 and IEC 61784-2: Fieldbus Profiles - specify protocol type combinations and profile families that complement IEC 61158 parts.

• IEC 61158-5 (general): Application Layer Service Definitions for other fieldbus types apart from Type 13.

Keywords: IEC 61158-5-13, fieldbus application layer, industrial communication networks, fieldbus specifications, Type 13 elements, OSI application layer, industrial automation, system management, synchronization feature, industrial protocols, real-time communication, programmable logic controllers (PLCs), industrial control systems.