Thread: Limit Switch wiring question
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03-06-2015 #1
Hi,
may be a stupid question, but is there any way to wire lj12a3-4-z/ax NPN DC6-36V limit switches using only 3 wire cable where there are 2 wires plus separate shield? A way i mean that will reduce electrical HF interference from plasma cutter for example.
Question comes from my ignorance and having a roll of that cable
so i figured maybe the +-thingy could do some miracle and save me to buy another roll
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03-06-2015 #2
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03-06-2015 #3
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03-06-2015 #4
I have rolls of cable cheap Sily, dont know what the shipping cost would be to you but i could just send you what you need...
6 and 4 core + shield is what i have, they are 100m rolls.
http://postimg.cc/image/sd9hc4fiz/
.MeLast edited by Lee Roberts; 03-06-2015 at 11:17 AM.
.Me
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03-06-2015 #5
If you want to avoid interference I would suggest twisted pair. I have a notion that there is a lot more to getting a signal in to and out from a Faraday cage than I know about
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The Following User Says Thank You to Robin Hewitt For This Useful Post:
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03-06-2015 #6
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03-06-2015 #7
As others have said, twisted pair might help. It's really intended for balanced/differential signals, but you can probably get a fair approximation to a ground plane by connecting half of each of the pairs (eg., the striped wires) to the same ground as the breakout board, and running your signals in the other halves of those pairs.
Also, a ferrite around the cable may help; they're fitted to VGA cables (and the like) to suppress high frequency noise.Last edited by Jess; 03-06-2015 at 02:13 PM.
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