...and for encoder cables, you may want shielded twisted pair (has a foil layer under the jacket). I've had issues with unshielded twisted pair picking up motor EMF and adding extra encoder counts. ;-)
On Mon, Oct 17, 2016 at 10:45 AM, Chris Albertson <albertson.ch...@gmail.com > wrote: > But today in real life, no one makes their own patch cables. But every > installer has to make their own terminators for the on-wall cable because > you can't pull wire that has a bulky connector on it. So the only tools > and parts they commonly sell are for the in-wall kind of solid wire. > > As for oil resistance, Buy the "plenum" type. They use teflon insolation > and don't cost that much more. These are sold because of fire codes in > some kinds of buildings, they don't create toxic smoke in a fire. Yes they > do make Plenum patch cables with flexible wire and no PVC. > > On Mon, Oct 17, 2016 at 10:10 AM, Przemek Klosowski < > przemek.klosow...@gmail.com> wrote: > > > On Mon, Oct 17, 2016 at 12:40 PM, Chris Albertson > > <albertson.ch...@gmail.com> wrote: > > > Ethernet patch cable might work. ..... Don't try and make you own. > > The pre-made ones come in any > > > length from about 12" to 25 feet and they have those over molded train > > You're absolutely right about buying cables---the cost is so low that > > it doesn't make sense. The patch cords actually get down to few inches > > (3-4"), which is great for local cabling in tight spaces. > > > > > > >The common kind of RF45 termination tools work only with the > > > solid in-wall kind of wire so don't use them. > > > > Actually, it's not the termination tools, but the terminals and plugs > > themselves---they are still insulation-displacing crimps, but the > > shape of the spades is different. In the beginning of the computer era > > we used to make our own cables and used the same tools with different > > plugs---it was a PITA because they looked the same (translucent > > plastic). Unless you opened a new marked box, we used to inspect the > > connector and it wasn't easy---you had to squint at the shape of the > > tiny gold-plated terminals through wavy plastic. > > > > If you used the wrong type for your wire, you'd get a broken wire > > touching the terminal by a tension in the plastic insulation: it might > > work for a little bit, but eventually the lack of gas-tight > > metal-metal connection would cause it to fail. > > > > I'm saying this because someone might actually make a patch cable in a > > pinch, and that's what you have to pay attention to. > > > > ------------------------------------------------------------ > > ------------------ > > Check out the vibrant tech community on one of the world's most > > engaging tech sites, SlashDot.org! http://sdm.link/slashdot > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > > -- > > Chris Albertson > Redondo Beach, California > ------------------------------------------------------------ > ------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, SlashDot.org! http://sdm.link/slashdot > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
