EMC for Control Area Networks and Automotive Electronic Sub Assemblies

[Greece2000]

So I can't understand what kind of standard or testing regime is required here.

I have an automotive electronic subassembly (ESA) which very clearly goes under UN ECE Reg 10. However Reg 10 doesn't really mention control area networks and how to test them w.r.t radiated emissions.

Suppose you have an automotive ESA with a CAN connection. The ESA has a switching converter and it may place noise on the CAN line, a 3m CAN line may emit radiated emissions.

There is also to be considered the emissions from the CAN line from normal data communication from your ESA.

So how is this to be taken into account?

In Australia.

[Greece2000]

Please respond.

[coppercone2]

i suspect this regime is not democratic

and you should probobly call a test lab or something because this is the depths of paid engineering beurocracy from hell

the engineering time from doing this wrong based on forum advice of basically legal frame work is gonna cost more then possibly a consulting fee

watch the guy on the forum that knows this in 2022 gets it wrong because of some addendum from 2023

[Niklas]

The R10 is typically lower in demand compared to what many OEMs require. The emission tests follows CISPR25 and the DUT is supposed to operate during the test and you check all emissions (CAN, power etc) combined. You might need something to simulate communication from other ECUs to make the DUT fully operational.
CISPR25 does not explicitly mention CAN, its harness length or placement of the optical interface. For the conducted emissions test, be sure to use the short harness between the DUT and the LISNs as described for the voltage method in CISPR25. Using the longer harness for radiated emissions also for conducted can cause issues with CM around 40 MHz due to resonance. This also applies if you have a short harness for power and a long harness for CAN.