Re: [PSES] PLC password

Hi Steve: A possible analogy might be providing a 3-to-2-wire adaptor for your product. Clearly, doing so results in a misuse of the product (operating a Class 1 product without a ground). Safety standards require the product be safe in the event of misuse. Giving the password to

Re: [PSES] PLC password

The keys to product modification in the field vs. maintaining certification are - (a) Is the field modification acceptable to the certifying body? Ordinarily, certification is only for the product as built and shipped from the factory, along with applicable assembly and installation instructions.

Re: [PSES] PLC password

05466247 From: Lauren Crane <1afd08519f18-dmarc-requ...@listserv.ieee.org> Sent: Friday, June 2, 2023 5:33 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] PLC password Hi Steve, My Friday 2c... There is a trend of "right to repair" legislation that might contraindicat

Re: [PSES] PLC password

Hi Steve, My Friday 2c... There is a trend of "right to repair" legislation that might contraindicate that position to some extent. See e.g. https://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=CELEX:52023PC0155 It seems odd that the approval of a product would depend on the whether the

Re: [PSES] PLC password

Hi Steve, ISO 12100 speaks to protecting various modes of operation with an authorization method like a password, key, or RFID fob. When it comes to the kinds of modifications you are describing, my question would be “what goes in place of the removed device and safeguard?” You would need to