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Electrical Annunciator Specification and Application

thread277-488861

Electrical Annunciator Specification and Application

Electrical Annunciator Specification and Application

(OP)
Greetings,

I am currently reviewing the need to prepare an specification for electrical annunciation panels.
The ISA 18.1 addresses electrical announciators yet I am wondering if these are still relevant in the process industries for other purposes than machinery control panels.

In modern control systems I have worked on, the Operator Workplace Displays replaced the alarm panels and large screen displays (42" and above) have replaced the annunciators and alarm panels previously installed in the control room.

Is the usage of annunciator panels still relevant in this day of age?

Regards,
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RE: Electrical Annunciator Specification and Application

I've seen new ones used in a hydropower plant remodel as of about four or five years ago. The operators liked them because they could see which were lit up from across the plant floor and know what they needed to do next. I suppose you could do the same thing with a very large HMI screen, though.

xnuke
"Live and act within the limit of your knowledge and keep expanding it to the limit of your life." Ayn Rand, Atlas Shrugged.
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RE: Electrical Annunciator Specification and Application

If you mean giant hand-made panels and walls with lines drawn on them and lights scattered across them I'd say yes they're going extinct against large monitors, large screens, and digital annunciator panels.

Keith Cress
kcress - http://www.flaminsystems.com

RE: Electrical Annunciator Specification and Application

I am banned from Illinois nuke stations due mis-identification with someone else who has a criminal record, but before that happened I noticed that Comm Ed's nuke station control rooms were still using the arrays of silk-screened tag-named translucent plastic 3.5"x3.5" panel lit with an LED back light.



Ronan is still selling their annunciator panels with a website that loads like it's running a 385 processor, in keeping with the 'period' ambiance of annunciator panels. https://www.eng-tips.com/viewthread.cfm?qid=488861

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