In addition to Mike Sherman’s comments, the selected colours are long deprecated. Red and Green have not been supported in the standards for over twenty years for these purposes.
The designers need to read NFPA 79 or IEC 60204-1 or EN 60204-1, focusing on the tables that define suitable colours for actuators and pilot lights. Doug Nix Kitchener, Ontario, Canada d...@mac.com +1 (519) 729-5704 > On Mar 6, 2024, at 11:10, Brian Kunde <bkundew...@gmail.com> wrote: > > > Greetings to all. > > We are working on a motor driven machine that would be used in a commercial, > industrial, and light industrial environment. > > The machine has a Green button to Start, and a Red button to Stop. These > buttons are illuminated. Other than the e-stop, these are the only operator > controls on the product. > > When the machine is stopped, the Green button is lit. When you press the > green button, the motor starts, but then the green light in the button goes > out and the red light in the Stop button lights up (not flashing). Is this > OK? > > The design team for this project thought it would help the Operator find the > buttons easier this way. > > I must also state that this machine is not designed to follow the > construction rules for Control Panels. We call it a highbred design. It will > be serviced and maintained by the manufacturer. > > My only question is regarding the illuminated lights but feel free to comment > on any other aspect of this email. > > Regards, > The Other Brian > This message is from the IEEE Product Safety Engineering Society emc-pstc > discussion list. To post a message to the list, send your e-mail to > EMC-PSTC@LISTSERV.IEEE.ORG > > All emc-pstc postings are archived and searchable on the web at: > https://www.mail-archive.com/emc-pstc@listserv.ieee.org/ > > Website: https://ewh.ieee.org/soc/pses/ <https://ewh.ieee.org/soc/pses/> > Instructions: https://ewh.ieee.org/soc/pses/list.html (including how to > unsubscribe) <https://ewh.ieee.org/soc/pses/list.html> > List rules: https://ewh.ieee.org/soc/pses/listrules.html > > For help, send mail to the list administrators: > Mike Sherman at: msherma...@comcast.net <mailto:msherma...@comcast.net> > Rick Linford at: linf...@ieee.org <mailto:linf...@ieee.org> > For policy questions, send mail to: > Jim Bacher at: j.bac...@ieee.org <mailto:j.bac...@ieee.org> > To unsubscribe from the EMC-PSTC list, click the following link: > https://listserv.ieee.org/cgi-bin/wa?SUBED1=EMC-PSTC&A=1 > - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to EMC-PSTC@LISTSERV.IEEE.ORG All emc-pstc postings are archived and searchable on the web at: https://www.mail-archive.com/emc-pstc@listserv.ieee.org/ Website: https://ewh.ieee.org/soc/pses/ Instructions: https://ewh.ieee.org/soc/pses/list.html (including how to unsubscribe) List rules: https://ewh.ieee.org/soc/pses/listrules.html For help, send mail to the list administrators: Mike Sherman at: msherma...@comcast.net Rick Linford at: linf...@ieee.org For policy questions, send mail to: Jim Bacher: <j.bac...@ieee.org> _________________________________________________ To unsubscribe from the EMC-PSTC list, click the following link: https://listserv.ieee.org/cgi-bin/wa?SUBED1=EMC-PSTC&A=1