He does do some that you might understand 😉
https://www.youtube.com/watch?v=JU2lFg1rwgg Martin ________________________________ From: Dave Cole Check out this video - this is 2013 and he is using Ethercat with LinuxCNC. Unfortunately I can't understand him. :-( https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DyR9rCFavFjU&data=02%7C01%7Ctomaz_ti1%40hotmail.com%7C18919b58548040ca1cd208d51d5e24e4%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636447212537380310&sdata=YNO7rCs0f7rcYK1rNaMa06jow9ryDuzvFkHH6DXYa0s%3D&reserved=0 Dave On 10/27/2017 6:40 AM, Nicklas Karlsson wrote: > I make my own hardware, it's only for fun and I do not intend to earn money > on it. It's however useful to know how it works during normal working hours. > > 2017-10-27 11:07 GMT+02:00 theman whosoldtheworld <bleachk...@gmail.com>: > >> I use the suggestion and indication from linuxcnc forum: >> >> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fforum.linuxcnc.org%2F24-hal-components%2F22346-ethercat-hal-driver&data=02%7C01%7Ctomaz_ti1%40hotmail.com%7C18919b58548040ca1cd208d51d5e24e4%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636447212537380310&sdata=DVNXO0fV8iz%2FFC4OjzTqGSbljqJ5mV6IQRyK4xckGSQ%3D&reserved=0 >> >> about SOEM, The basic implement is not realtime .... so is ok for user >> command, not so for drive command. Any how my decision is not utilize >> ethernet bus for drive position/velocity/torque command. Mesa analogue >> signal and feedback encoder on mesa card are too easy and precise signals >> to use to go for alternative methods that usually do not give such good >> performances. Keep in mind that realtime on ethercat is not a universal >> value ... commercially there are devices that go under 1 ms but others that >> arrive up to 10-20ms .... for example kunbus has made devices on pi3 with >> ethercat and more, but with a realtime of 5ms. >> >> I have made the opinion that bus-rt on ethernet are very nice, but they >> will really be useful only in some have. in the meantime it is best to play >> on to be ready and wait. If you would use it for data comm between some >> device or for connect some device without problem of 5-10ms response time >> all work fine. I could not recommend any ethercat for professional use as a >> result of my experiences. But I'm sure many others have taken advantage of >> it. >> >> Last but no least, there is also the security issue. Here in Europe >> ethernet-ip and secure signals do not agree much for example. In addition, >> many drive manufacturers do not have safety over ethercat even if they have >> the bus. >> >> >> regards >> bkt >> >> 2017-10-26 18:19 GMT+02:00 Nicklas Karlsson <nicklas.karlsso...@gmail.com> >> : >> >>> On Thu, 26 Oct 2017 13:36:26 +0200 >>> theman whosoldtheworld <bleachk...@gmail.com> wrote: >>> >>>> I'm working with it now using linuxcnc implementation ... and in past >>> with >>>> backoff device. ... >>> I just started to look a day or two ago, which Ethercat implementation? >>> >>> ------------------------------------------------------------ >>> ------------------ >>> Check out the vibrant tech community on one of the world's most >>> engaging tech sites, Slashdot.org! >>> https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fsdm.link%2Fslashdot&data=02%7C01%7Ctomaz_ti1%40hotmail.com%7C18919b58548040ca1cd208d51d5e24e4%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636447212537380310&sdata=D6YTgEz%2BPo5ciY50VIF%2BRzQli6rF9zxvjFH4sQwumDY%3D&reserved=0 >>> _______________________________________________ >>> Emc-users mailing list >>> Emc-users@lists.sourceforge.net >>> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.sourceforge.net%2Flists%2Flistinfo%2Femc-users&data=02%7C01%7Ctomaz_ti1%40hotmail.com%7C18919b58548040ca1cd208d51d5e24e4%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636447212537380310&sdata=y6QE8lUph9iN%2BtKLwX%2FE%2BAhtkLJZTLCA51gi29gUZY4%3D&reserved=0 >>> >> ------------------------------------------------------------ >> ------------------ >> Check out the vibrant tech community on one of the world's most >> engaging tech sites, Slashdot.org! >> https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fsdm.link%2Fslashdot&data=02%7C01%7Ctomaz_ti1%40hotmail.com%7C18919b58548040ca1cd208d51d5e24e4%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636447212537380310&sdata=D6YTgEz%2BPo5ciY50VIF%2BRzQli6rF9zxvjFH4sQwumDY%3D&reserved=0 >> _______________________________________________ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.sourceforge.net%2Flists%2Flistinfo%2Femc-users&data=02%7C01%7Ctomaz_ti1%40hotmail.com%7C18919b58548040ca1cd208d51d5e24e4%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636447212537380310&sdata=y6QE8lUph9iN%2BtKLwX%2FE%2BAhtkLJZTLCA51gi29gUZY4%3D&reserved=0 >> > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! > https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fsdm.link%2Fslashdot&data=02%7C01%7Ctomaz_ti1%40hotmail.com%7C18919b58548040ca1cd208d51d5e24e4%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636447212537380310&sdata=D6YTgEz%2BPo5ciY50VIF%2BRzQli6rF9zxvjFH4sQwumDY%3D&reserved=0 > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.sourceforge.net%2Flists%2Flistinfo%2Femc-users&data=02%7C01%7Ctomaz_ti1%40hotmail.com%7C18919b58548040ca1cd208d51d5e24e4%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636447212537380310&sdata=y6QE8lUph9iN%2BtKLwX%2FE%2BAhtkLJZTLCA51gi29gUZY4%3D&reserved=0 ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fsdm.link%2Fslashdot&data=02%7C01%7Ctomaz_ti1%40hotmail.com%7C18919b58548040ca1cd208d51d5e24e4%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636447212537380310&sdata=D6YTgEz%2BPo5ciY50VIF%2BRzQli6rF9zxvjFH4sQwumDY%3D&reserved=0 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.sourceforge.net%2Flists%2Flistinfo%2Femc-users&data=02%7C01%7Ctomaz_ti1%40hotmail.com%7C18919b58548040ca1cd208d51d5e24e4%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636447212537380310&sdata=y6QE8lUph9iN%2BtKLwX%2FE%2BAhtkLJZTLCA51gi29gUZY4%3D&reserved=0 ------------------------------------------------------------------------------ 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
