ISO/TS 22741-2:2024 PDF

Intelligent transport systems — Roadside modules AP-DATEX data interface — Part 2: Generalised field device basic management

First page of standard ISO/TS 22741-2:2024

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Title (English):

ISO/TS 22741-2:2024

Intelligent transport systems — Roadside modules AP-DATEX data interface — Part 2: Generalised field device basic management

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 15
Publication date:: June 21, 2024
Edition:: ISO TS 22741 edition 1 version 1
ICS:: 03.220.20

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Description (English):

Field devices are a key component in intelligent transport systems (ITS). Field devices include traffic signals, message signs, weather stations, traffic sensors, roadside equipment for connected ITS (C-ITS) environments, etc. Field devices often need to exchange information with central devices (managers). Field devices can be quite complex necessitating the standardization of many data concepts for exchange. As such, the ISO 22741 series is divided into several individual parts. This document identifies basic user needs for the management of virtually any field device and traces these needs to interoperable designs. This includes the ability to identify the device, its capabilities and its status. ISO 22741-1 provides additional details about how the ISO 22741 series relates to the overall ITS architecture.

Technical details

Technical committee: ISO/TC 204 - Intelligent transport systems
SKU: ISO/TS 22741-2:2024

Abstract

Overview

ISO/TS 22741-2:2024 - Intelligent transport systems - Roadside modules AP‑DATEX data interface - Part 2: Generalised field device basic management - defines core management concepts and data needs for roadside field devices in ITS. The technical specification identifies basic user needs for managing devices such as traffic signals, variable message signs, weather stations, traffic sensors and other roadside equipment used in connected ITS (C‑ITS) environments. It traces those needs to interoperable data designs to support device identification, capability discovery and status monitoring.

Key topics and requirements

This document frames a generalised management interface for field devices and covers architecture, data exchange and security considerations. Key topics include:

Architecture views: functional, physical and communications views of the AP‑DATEX data interface, plus security and data protection considerations.
Conformance & terminology: conformance clauses, normative references, terms and abbreviated terms to ensure consistent implementation.
User needs: monitoring and control needs such as device identification, capability reporting, status monitoring, and single‑value I/O control.
Cabinet and environmental monitoring: standardized data concepts for cabinet doors, fans, heaters, humidity, temperature and related design constraints.
Power monitoring: AC power, battery, generator, solar and wind power data exchange requirements and capability descriptions.
I/O and device capabilities: general‑purpose I/O definitions, data exchange requirements and capability statements to support diverse field equipment.
Security: identification of security vulnerabilities and requirements for secure data exchange and device management.

Applications and who uses it

ISO/TS 22741-2:2024 is practical for organizations that design, deploy or operate ITS roadside equipment:

Field device manufacturers - to provide interoperable management interfaces and capability metadata.
Systems integrators and software vendors - to implement AP‑DATEX-based device managers and central systems.
Traffic authorities and municipalities - for remote monitoring, asset management, fault detection and power/environmental monitoring.
C‑ITS deployments - to ensure roadside modules can interoperate with central managers and connected vehicles.
Procurement and testing teams - to specify conformance criteria for field device behaviour and data exchange.

Practical benefits include improved interoperability, standardized device discovery and status reporting, easier remote diagnostics and more consistent power/environmental monitoring.

Related standards

ISO/TS 22741‑1 - provides context on how the ISO 22741 series relates to the overall ITS architecture.
AP‑DATEX data interface (series) - the broader interface family for roadside module data exchange and interoperability.

Related standards

Mentioned in the description and other ISO standards

Abstract

Overview

Key topics and requirements

This document frames a generalised management interface for field devices and covers architecture, data exchange and security considerations. Key topics include:

Architecture views: functional, physical and communications views of the AP‑DATEX data interface, plus security and data protection considerations.
Conformance & terminology: conformance clauses, normative references, terms and abbreviated terms to ensure consistent implementation.
User needs: monitoring and control needs such as device identification, capability reporting, status monitoring, and single‑value I/O control.
Cabinet and environmental monitoring: standardized data concepts for cabinet doors, fans, heaters, humidity, temperature and related design constraints.
Power monitoring: AC power, battery, generator, solar and wind power data exchange requirements and capability descriptions.
I/O and device capabilities: general‑purpose I/O definitions, data exchange requirements and capability statements to support diverse field equipment.
Security: identification of security vulnerabilities and requirements for secure data exchange and device management.

Applications and who uses it

ISO/TS 22741-2:2024 is practical for organizations that design, deploy or operate ITS roadside equipment:

Field device manufacturers - to provide interoperable management interfaces and capability metadata.
Systems integrators and software vendors - to implement AP‑DATEX-based device managers and central systems.
Traffic authorities and municipalities - for remote monitoring, asset management, fault detection and power/environmental monitoring.
C‑ITS deployments - to ensure roadside modules can interoperate with central managers and connected vehicles.
Procurement and testing teams - to specify conformance criteria for field device behaviour and data exchange.

Practical benefits include improved interoperability, standardized device discovery and status reporting, easier remote diagnostics and more consistent power/environmental monitoring.

Related standards

ISO/TS 22741‑1 - provides context on how the ISO 22741 series relates to the overall ITS architecture.
AP‑DATEX data interface (series) - the broader interface family for roadside module data exchange and interoperability.

ISO/TS 22741-2:2024 PDF

Technical details

Abstract

Overview

Key topics and requirements

Applications and who uses it

Related standards

Related standards

Abstract

Overview

Key topics and requirements

Applications and who uses it

Related standards

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