Chris,

UL508 is for "Industrial Control Equipment". Do you have plans to sell the
said product as an
Information Technology Equipment in the EEA? If the product is intended for
use in an
industrial environment, as some kind of controller, EN60950 would not be the
best choice.

John Radomski
Principal Engineer
Schneider Automation Inc.



                                                                              
                                                          
                      "Chris Wells"                                           
                                                          
                      <radioactive55man@c        To:       <[email protected]>
                                                          
                      omcast.net>                cc:                          
                                                          
                      Sent by:                   Subject:  LVD voltage level
exception rule                                              
                      [email protected]                                       
                                                          
                                                                              
                                                          
                                                                              
                                                          
                      02/13/2007 07:04 AM                                     
                                                          
                                                                              
                                                          




I am looking for help rationalizing when a product must be evaluated to the
LVD.
This is for a product my company is considering namebranding.
I would like to see the product evaluated to EN60950 but the vendor is arguing
that due to the
24VDC, low voltage rating the product does not need to be formally evaluated
to an European
safety standard to claim the CE mark.  The product does meet UL508.

Background -  The product is  a communication gateway with the following ports:
      DC power in put 24VDC ~ 10W (not internally fused)
      Ethernet, Cat5 RJ45 twisted pair  LAN/WAN interface
      RS485 multipoint subnetwork (Modbus, cable up to ~ 4K')
      Proprietary twisted pair multipoint network similar to RS485 (cable up
to 10K')
      RS232 port for connecting to external modem like devices
      USB slave - temporary programming port
      Modem Interface - optional (not found on all models)
In my view the Modem interface is very hazardous and so the product should be
formally
evaluated.
Since the modem interface is a USA version perhaps this model could be
excluded from having a
CE mark.
Anything else stand out as requiring evaluation to EN60950?

Also I remember reading that this voltage limit exception topic is under
review.

Thanks

Chris Wells
[email protected]



________________________________________________________________________
This email has been scanned for SPAM content and Viruses by the MessageL
abs Email Security System.
________________________________________________________________________
- ---------------------------------------------------------------- This
message is from the
IEEE Product Safety Engineering Society emc-pstc discussion list. Website:
http://www.ieee-pses.org/


To post a message to the list, send your e-mail to [email protected]


Instructions: http://listserv.ieee.org/request/user-guide.html


List rules: http://www.ieee-pses.org/listrules.html


For help, send mail to the list administrators:


Scott Douglas [email protected] Mike Cantwell [email protected]


For policy questions, send mail to:


Jim Bacher: [email protected] David Heald: [email protected]


All emc-pstc postings are archived and searchable on the web at:


http://www.ieeecommunities.org/emc-pstc

-

This message is from the IEEE Product Safety Engineering Society
emc-pstc discussion list.    Website:  http://www.ieee-pses.org/

To post a message to the list, send your e-mail to [email protected]

Instructions:  http://listserv.ieee.org/request/user-guide.html

List rules: http://www.ieee-pses.org/listrules.html

For help, send mail to the list administrators:

     Scott Douglas           [email protected]
     Mike Cantwell           [email protected]

For policy questions, send mail to:

     Jim Bacher:             [email protected]
     David Heald:            [email protected]

All emc-pstc postings are archived and searchable on the web at:

    http://www.ieeecommunities.org/emc-pstc

______________________________________________________________________
This email has been scanned by the MessageLabs Email Security System.
For more information please visit http://www.messagelabs.com/email 
______________________________________________________________________

Reply via email to