Look what I found outside my office the other day. The second guy has the radio control. http://www.flickr.com/photos/svenneduva/8188102690/in/photostream/lightbox/
2012/11/10 Gene Heskett <ghesk...@wdtv.com> > On Friday 09 November 2012 18:45:02 Sven Wesley did opine: > > > 2012/11/9 Jason Burton <lathebuil...@gmail.com> > > > > > As someone who designs automation cells and tooling for robots and > > > machine tools easily big enough to kill you, wireless pendants would > > > freak me out for safety reasons. > > > > > > I spec "wireless" sensors for tooling pretty regularly. That said, I > > > only trust them for non-safety related tasks. > > > > > > Wireless is great for tasks with harmless failure modes. Pinning my > > > arm to a machine table or braining me with a 200 pound end of arm > > > tool, not so much. :) > > > > > > Just food for thought. > > > > > > Best, > > > Jason > > > > That's why emergency buttons always should be wired. Hard wired. > > I'm not worried about wireless though, truck cranes and construction > > cranes have been wireless for ages. > > > So are cement trucks. The last time I poured concrete in a big enough > batch to need a truck, he drove up, stopped in the middle of the street, > got out leaving it running, pulled a cigar box sized gizmo that looked like > he could fly rc airplanes with it, out and strapped it around his neck so > the top was about right under his hands, slightly higher than belt high. > Getting comfy in it, he turned it on and proceeded to back & jack that > truck with 9 yards of concrete into my driveway where he could chute it to > where it needed to go, spun the drum up to rock and roll speed that left 6" > deep ditches in my blacktop (it was scheduled for freshening anyway) for > about 1 minute, and generally had us shoving the chute around, adding and > removing sections as we moved while he pushed buttons to deliver the load. > He never got back in the truck until it was empty and back out in the > street, pointed straight down the street. And this was in 2008, I presume > they are smarter yet today. He had enough confidence that he wasn't facing > the truck, but watching the chute while he backed it straight at where he > stood. > > Cheers, Gene > -- > "There are four boxes to be used in defense of liberty: > soap, ballot, jury, and ammo. Please use in that order." > -Ed Howdershelt (Author) > My web page: <http://coyoteden.dyndns-free.com:85/gene> is up! > TOO BAD YOU CAN'T BUY a voodoo globe so that you could make the earth spin > real fast and freak everybody out. > -- Jack Handley, The New Mexican, 1988. > > > ------------------------------------------------------------------------------ > Everyone hates slow websites. So do we. > Make your web apps faster with AppDynamics > Download AppDynamics Lite for free today: > http://p.sf.net/sfu/appdyn_d2d_nov > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Monitor your physical, virtual and cloud infrastructure from a single web console. Get in-depth insight into apps, servers, databases, vmware, SAP, cloud infrastructure, etc. Download 30-day Free Trial. Pricing starts from $795 for 25 servers or applications! http://p.sf.net/sfu/zoho_dev2dev_nov _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users