I managed to get lost in this thread, what ladder component is in question here?
I rely heavily on Classicladder in my machines, averaging over 200 rungs per machine, and am curious as to what may be possibly wrong. Thanks Rick On 3/23/2015 8:33 AM, Mark Wendt wrote: > On Mon, Mar 23, 2015 at 8:09 AM, Erik Christiansen <dva...@internode.on.net> > wrote: > >> On 23.03.15 07:30, Mark Wendt wrote: >>> On Mon, Mar 23, 2015 at 7:17 AM, Erik Christiansen > wrote: >>>> Try it as I describe, and the diagram and text should align without any >>>> clashing of mental gears. >>> The logic still doesn't match up with the simple switch diagram. >> And yet you show yourself that it does, and your subconscious >> understands the logic: >> >>> B1 has to be activated for current to flow to the coil, to close the >>> contact on Q0. >> Yep, that's the green button on a commercial or homebuilt NVR. >> It's momentary, NO. Press it for the NVR to latch on. >> (And activated == "on", so NO -> closed, both for switch and relay.) >> >>> B0 has to be in it's normal state. >> Yep, that's the red button on a NVR, as on my lathe. >> It's momentary, NC. Press it to reset the NVR latch. >> (normal state == inactivated == "off" == NC is closed, NO is open ) >> >>> If you "activate" B0, you cut off the current and the contacts on Q0 >>> open. >> Yup, that's the mechanics of the relay logic implementation. >> (activated == "on" => NC->open, NO->closed, possibly both on the same >> switch or relay, and maybe six of each on the one relay, if there is >> output to many other ladder rungs.) >> >> See, the logic _is_ coherent. :-)) >> >> Erik >> > > So, following that logic, "off" is "on," and "on" is "off." ;-) > > Mark > ------------------------------------------------------------------------------ > Dive into the World of Parallel Programming The Go Parallel Website, sponsored > by Intel and developed in partnership with Slashdot Media, is your hub for all > things parallel software development, from weekly thought leadership blogs to > news, videos, case studies, tutorials and more. Take a look and join the > conversation now. http://goparallel.sourceforge.net/ > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users -- Thanks Rick Lair Superior Roll & Turning LLC 399 East Center Street Petersburg MI, 49270 PH: 734-279-1831 FAX: 734-279-1166 www.superiorroll.com ------------------------------------------------------------------------------ Dive into the World of Parallel Programming The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
