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hahahahah thanks, Mario ! heheheheheeh
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In Topic: 12 water flow sensors 160ft away from N+2
04 March 2015 - 01:06 PM
Hey Mario, you killed it. I mean, sound advice all the way, thank YOU !
Nina, the dog, she's my loving companion. It's a shame I can't introduce you to her !
Now to your comments.
- The topology, yes, center the N to try and keep all cables about the same lenght and as short as possible. Nice.
- Cable, would RG59 coax do it ? http://media.extron....spec_062409.pdf Nina will never reach the roof, no worries. And I'll taste it before purchasing, well noted lol
- Should I A) connect the core of the cable to the N Dx input and the shield to the N ground, and on the sensor side only the core to the yellow cable directly ? Or should I also
connect the cable shield to the black sensor cable too, and then this cable to the ground of the remote PS ? Only A), right ? - The enclosure will be a nice IP55 plastic box, tight cable holes accessing from below. I guess it'll do it nicely
- Now the 'remote' PSs : Would it make any sense at all to put, instead of the 18+ PSs you mentioned, for instance, 6V or 9V units and then do the math and define a minimum cable lenght, so that the N does not receive more than 5V without any other attenuating circuitry ? If this does make sense, what would the equation be (PS specs / cable attenuation / cable lenght) ?
Again, thanks Mario !
- Emilio
