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  1. 23-10-2013 #21
    EddyCurrent's Avatar
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    EddyCurrent
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    Quote Originally Posted by irving2008 View Post
    @EddyCurrent - not sure I agree PNP are more common...
    Mabe on the other side of the pond.
    Not arguing because it doesn't matter but;

    I've just done an inductive proximity sensor product search on Pepperl & Fuchs website
    No. of products NPN 74
    No. of products PNP 207

    Same again but RS online
    No. of products NPN 54
    No. of products PNP 208


    Edit: Just noticed the 2 wire ones are NAMUR type, this is quite a good document
    http://www.simeks.biz.tr/resimler/pd...ciklamalar.pdf
    Maybe the last time I used them (which is quite a number of years ago now ) the PLC had input cards designed for them, although I've never been a fan of 2 wire type.
    Last edited by EddyCurrent; 23-10-2013 at 01:43 PM.
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