4. Common errors in EMC CE marking tests
Now that we've covered a few classic EMC tests, we'll look at the most common errors to be avoided when designing equipment.
These errors, identified by customers carrying out laboratory tests, more often than not result in non-compliant equipment.
EMC improvement is achieved through various types of action:
reduction of external factors; for example, we can reduce disturbances due to electrostatic discharges by reducing humidity in the premises, using antistatic flooring, etc. ;
equipment hardening; an electronic system can be "hardened" by choosing components that are the least sensitive to disturbances (different technological families: TTL, CMOS, etc.);
coupling reduction: for a given external source, the level of disturbance...
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Common errors in EMC CE marking tests
Links with the Low Voltage Directive 2014/35/EU
Bibliography
Also in our database
Websites
The blue guide :
http://ec.europa.eu/growth/single-market/goods/
Harmonized standards :
http://ec.europa.eu/growth/single-market/european-standards/harmonised-standards/index_en.htm
...Standards and norms
- Radio-frequency industrial, scientific and medical (ISM) equipment – Radio interference characteristics – Measurement limits and methods. - EN 55011 - (mai 2010)
- Information processing equipment – Radio interference characteristics – Measurement limits and methods. - EN 55022 - (juin 2012)
- Information processing equipment – Immunity features – Measurement limits and methods. - EN 55024 - (mars 2011) ...
Regulations
European Directive 2014/30/EU on Electromagnetic Compatibility.
European Directive 2014/53/EU known as RED on radio equipment.
European Low Voltage Directive 2014/35/EU.
Directory
Documentation – Training – Seminars (non-exhaustive list)
A. BARREAU (GERAC training – various catalog sessions). European Directive 2014/30/EU on Electromagnetic Compatibility (Reminder of application procedures and changes compared with Directive 2004/108/EC)
A. BARREAU (GERAC training – various catalog sessions). CE Marking and New Approach Directives
Laboratories – Design...
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