ISO 13044-2:2021
Road vehicles — Fully automatic coupling systems 24 V (FACS) for heavy commercial vehicle combinations — Part 2: Electrical and pneumatic interface for 50 mm fifth wheel couplings
This document specifies the mechanical, electrical/electronic and pneumatic characteristics of a fully automated fifth wheel coupling system to ensure interchangeability between a towing vehicle and a coupled semi-trailer(s) with 24 V nominal supply voltage. The two vehicles together constitute an articulated vehicle or are part of a vehicle combination.
This document also supports the step-by-step introduction of fully automated fifth wheel coupling systems in the market. It specifies features necessary for mixed mode operation, i.e. the combination of a fully automated coupling system (FACS) equipped towing vehicle with a conventional semi-trailer, and vice versa, the combination of a conventional towing vehicle with a FACS-equipped semi-trailer.
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 General
4.2 Tractor and semi-trailer
4.3 Mechanical interface, Manual operation
4.4 EPI module
4.5 Mating of the two EPI parts
4.6 Guiding and alignment
4.6.1 General
4.6.2 Installation requirements of EPI socket module
4.6.3 Installation requirements of semi-trailer-mounted EPI module
4.6.4 Perpendicular degree of freedom of contacts
4.6.5 Pneumatic valves in EPI socket module
4.7 Encapsulation and protection
4.7.1 General
4.7.2 EPI plug module protection cover actuation
4.7.3 Gasket between plug and socket
4.8 Automation of landing legs
4.9 ISO 11992 cable length
4.10 Mixed mode operation
5 Tests and specific requirements
5.1 General
5.2 Visual examination
5.3 Dimensional check
5.4 Connection and disconnection
5.5 Locking device operation
5.5.1 Application
5.5.2 Requirements
5.6 Current carrying capacity
5.7 Connection resistance (voltage drop), cable capacitance and pneumatics
5.8 Current cycling
5.9 Withstand voltage
5.10 Influence of water
5.11 Protection against dust
5.12 Endurance
5.13 Vibration
5.14 Shock resistance
5.15 Drop test
5.16 Temperature/humidity cycling
5.17 Salt spray
5.18 Chemical resistance
5.19 Leakage test of pneumatic connections
5.20 Functional test of protection covers
Annex A (normative) EPI module — Dimensional characteristics
Annex B (normative) EPI module — Contact allocation
Annex C (informative) Mixed mode operation
Bibliography
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Related Information
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AS/NZS 4968.1:2023
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AS/NZS 4968.2:2023
Heavy road vehicles – Mechanical coupling between articulated vehicle combinations, Part 2: Testing and installation of fifth wheel and associated equipment
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AS/NZS 4968.3:2023
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BS 7961:2004
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 General
4.2 Tractor and semi-trailer
4.3 Mechanical interface, Manual operation
4.4 EPI module
4.5 Mating of the two EPI parts
4.6 Guiding and alignment
4.6.1 General
4.6.2 Installation requirements of EPI socket module
4.6.3 Installation requirements of semi-trailer-mounted EPI module
4.6.4 Perpendicular degree of freedom of contacts
4.6.5 Pneumatic valves in EPI socket module
4.7 Encapsulation and protection
4.7.1 General
4.7.2 EPI plug module protection cover actuation
4.7.3 Gasket between plug and socket
4.8 Automation of landing legs
4.9 ISO 11992 cable length
4.10 Mixed mode operation
5 Tests and specific requirements
5.1 General
5.2 Visual examination
5.3 Dimensional check
5.4 Connection and disconnection
5.5 Locking device operation
5.5.1 Application
5.5.2 Requirements
5.6 Current carrying capacity
5.7 Connection resistance (voltage drop), cable capacitance and pneumatics
5.8 Current cycling
5.9 Withstand voltage
5.10 Influence of water
5.11 Protection against dust
5.12 Endurance
5.13 Vibration
5.14 Shock resistance
5.15 Drop test
5.16 Temperature/humidity cycling
5.17 Salt spray
5.18 Chemical resistance
5.19 Leakage test of pneumatic connections
5.20 Functional test of protection covers
Annex A (normative) EPI module — Dimensional characteristics
Annex B (normative) EPI module — Contact allocation
Annex C (informative) Mixed mode operation
Bibliography