Hi, A RAID Array is not the type of product that will turn up in a residential application. It is not under the scope of EN 60555-2. It is under the scope of the 61000-3-2 which was published in the OJ last September. That topic has pretty much been beat to death on this alias, but we could revive it and smack it around all over again (not this again!!!).
This product falls squarely under the category of ITE and thus is subject to the Generic Immunity and Emissions Standards and EN55022. Depending on how you define its use environment, you can qualify it for Class A EMI with restrictions on use in the instruction manual or Class B EMI for unrestricted sale and use. Those restrictions for Class A would specifically exclude use of the product in residential environments and perhaps even exclude powering the product of power supply mains which are shared by residential users. The design considerations are not really special wrt to other ITE equipment. Of course all of the considerations on what to do to design a product with 60 MHz fundamentals within can and does fill books. Hopefully you or someone else in your company has some experience with EMI design or you may want to hire a good consultant in the design phase of the project. I think there are quite a few good ones on this alias. Regards, [email protected] ---------- From: PS To: emc-pstc Subject: EMC Directive List-Post: [email protected] Date: Tuesday, April 16, 1996 5:51PM To Whom It May Concern, I got details of your forum through an e-mail transmission to one of my associates, by Ron Pickard. I would appreciate any information you may be able to supply concerning the EMC Directive, in relation to possible problem areas when developing our new enclosures for RAID porducts. The basic enclosure houses a controller (crytsals on this controller operate at 60 Mhz max.) And three 150W hot replacement PSU's. What sort of areas should we pay particluar attention to in the design? Would it be correct to state that the PSU's fall into the EN60555-2 standard? As it still seems that the EMC Directive is very vague in this country I would be glad of any information you may have available. Thanks and best regards, Philip Scott - Cork, Ireland. [email protected]
