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Thank you all guys for your quick replies. From what I've seen, it seems much better not to try my idea, but to run the cable to the controller's control output.
I work on a ship which has Public Announcement (PA) system. PA system consists of a couple of zones. Each zone has an a controller, amplifier and a loudspeakers circuit.
In our case, PA system is only used to make announcements and play alarm, not music.
What I need to do is to add a light...
I've measured it thousands of times, talked about it hundreds of times, but never reaaaaally understood it.
All those definitions seemed so complex, as if they are trying to make the voltage seem so mysterious.
So, after a little bit of thinking, I think the simplest definition of voltage I...
how long have they been in service? - From Aug 2018.
are they filled to the correct level - not overfilled? - They are filled just below MAX level.
are they re-charged properly? Don't know, how to tell?
have they ever been overtemperature? (too hot?) Honestly, didn't check that. But, if they...
Re: Help with reading UPS drawing
Amazing, thank you so muuuch for replying, this means a lot to me.
I was wondering what you might think would be the reason why this UPS intermittently trips due to High Output Voltage? Which component is the most likely to blame? Or could it be only the...
Hello, everybody, this is my first post.
I would like to ask for help with analysing drawing of a certain UPS. This UPS converts 3-phase 440VAC to 48VDC.
It would mean a world to me if someone could try to explain what they see in this drawing. I get stuck really quickly.
All I see is the...
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