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STANAG 4628

STANAG 4628 CAN protocols for military vehicles

Makers and integrators of military vehicle electrical and data systems who need CAN bus interoperability across NATO vehicle fleets, and the buyers who specify them.

STANAG 4628 is NATO's agreement on controller area network (CAN) protocols for military vehicle electrical systems. NATO has not released it publicly; this page describes it from the Czech defence standard that implements it and from NATO publications that cite it.

Edition
1
Published
2011-03-16

NATO has not released this STANAG publicly. It is NATO UNCLASSIFIED, and organisations that need it obtain it through their national standardization authority.

What it is

STANAG 4628 is the NATO Standardization Agreement on controller area network (CAN) protocols for military applications, edition 1, promulgated in March 2011 under the CNAD, AC/225 NAAG, LCGLE committee. NATO has not released STANAG 4628 publicly, so this page describes it from the Czech defence standard that implements it, ČOS 066002, and from NATO publications that cite it.

What the Czech implementation covers

ČOS 066002 states that it specifies the technical conditions, based on available information, for the infrastructure and functional interface used when digital systems in a land military vehicle are connected into a single vehicle information system. Its scope is the electrical system of land military vehicles that contain digitally controlled systems and components, built on a high-speed data bus (HSDB) of type CAN 2.0 A/B, with communication between the vehicle's digital components secured by a specified communication protocol. The Czech standard's stated aim is to standardise the use of the CAN 2.0 A/B high-speed data bus in the electrical systems of Czech military vehicles, and to provide a single guideline for using CAN 2.0 A/B and its communication protocols in land military applications so that vehicle systems from different nations are compatible within NATO.

ČOS 066002 names a set of related documents that form the basis of the protocol it introduces: ISO 11898 for exchanging digital information over CAN at high transfer rates, EN 50325-4 (the CANopen specification), the MilCAN A and MilCAN B physical, data-link, application and system-management layer specifications, and SAE J1939 for serial control and communication on a vehicle network. It recommends using these related standards in their original English version to secure communication interoperability, and requires an organisation building a vehicle system for the Czech armed forces to apply whichever edition of the protocols the parties agreed to at the start of the project.

How NATO's vehicle architecture standards treat it

AEP-4754, NATO's agreement on the Generic Vehicle Architecture, describes CAN and STANAG 4628 as an example of an automotive bus-based network that sits outside its own architecture. It says such networks "will still be widely used in the near future as part of the Base Vehicle" because of their low cost, wide availability and the depth of existing knowledge in using them, and it requires an Automotive Network Gateway to carry their data into the NGVA Data Infrastructure. Where that infrastructure cannot provide the safety level a function needs, AEP-4754 allows multiple redundant CAN or STANAG 4628 buses to be used for the safety-critical function instead, interfacing to the rest of the vehicle through the same gateway. The related agreement STANAG 4754 lists STANAG 4628 among its other related documents, alongside STANAG 4697 (the extended video standard) and STANAG 4074 (auxiliary power unit connections).

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How we help

A supplier bound by STANAG 4628 through a contract holds the obtained text through its national authority. In ComplyTrain you record the requirements that apply to you as your own requirements, give each an owner, and keep the evidence that shows you meet them against each one.

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