Prox sensors for plasma table - Advice needed

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22 Dec 2020 10:12 #192796 by tommylight
I use 4mm sensing distance.
Avoid 1mm ones, it is very hard to make them work reliably.

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22 Dec 2020 13:13 #192808 by txtrone

I’m not sure I follow what you mean?


Oh, I was referring to this item from the link you sent.

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22 Dec 2020 13:37 #192810 by snowgoer540

I’m not sure I follow what you mean?


Oh, I was referring to this item from the link you sent.


Oh, no, I used the pre-wired cables. I was probably being lazy because 2X the connector price is all but the price of the cable, and I wanted 90° ends for the sensor side...
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22 Dec 2020 14:21 #192814 by txtrone
Wow, now that I look at their prices more carefully they are way cheaper than what I expected. Thanks for the link!

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22 Dec 2020 14:23 #192816 by txtrone

Oh, no, I used the pre-wired cables. I was probably being lazy because 2X the connector price is all but the price of the cable, and I wanted 90° ends for the sensor side...


One last question. How did you wire these to your board? Thanks again!

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23 Dec 2020 01:33 #192909 by snowgoer540

Oh, no, I used the pre-wired cables. I was probably being lazy because 2X the connector price is all but the price of the cable, and I wanted 90° ends for the sensor side...


One last question. How did you wire these to your board? Thanks again!


I just followed the schematic in the data sheet for the sensors.
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29 Mar 2021 21:29 #204099 by snowgoer540
I felt I should follow up on this since I see you are posting that you are wiring up your table.

I had said in an earlier post that I had bought NBN8-12GM50-E0-V1 (NPN) sensors. That's incorrect.

I have NBN8-12GM50-E2-V1 sensors. Which are Normally Open PNP sensors.

If I could do it again, I would get Normally Closed-PNP sensors. (NBN8-12GM50-E3-V1-M1 or similar).
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29 Mar 2021 22:04 #204101 by txtrone
I ended up getting Omron E2B-M12KS04-M1-B1 which are NO PNP.
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