Am 27.02.2012 um 19:13 schrieb Kirk Wallace: > On Mon, 2012-02-27 at 14:53 +0000, Alan wrote: >> Hi, >> I am replacing the dc motor on my mill with a 3phase motor + inverter as >> part of its conversion to CNC. Here in the uk there are several >> companies that sell inverters together with a remote pendant. My >> question is can I arrange it so that I can switch between using the >> pendant for manual use and an input from emc when using cnc and if so how? >> >> Is it as simple as connecting two input sockets (one for pendant and one >> for computer) between a 2pole multiway switch to allow me to select >> either one or the other? >> >> Thanks >> >> Alan > > My vote would be to keep the DC motor. > > As for the VFD pendant, it depends on the VFD. One of my VFD's doesn't > allow the control panel and Modbus to be plugged in at the same time. > Another has two ports allowing both to be plugged in and the active > control is selected with a register setting. You could have LinuxCNC > operate the digital and analog inputs, but typically you would need to > change a register setting to switch between the input terminal or > pendant control.
The Toshiba VF-S11 can be driven via Modbus to enable/disable the panel, and that is linked to the vfs11_vfd.enable pin - 1: modbus control/panel disabled; 0: modbus just monitoring but control by panel I pushed vfs11_vfd to master today, so it's 'in' -m > > Give us a make and model number and we may be able to figure out what > might work. I would tend to have the "manual" control go through > LinuxCNC anyway. One option is here: > http://www.wallacecompany.com/machine_shop/EMC2/dro_vfd/ > > > -- > Kirk Wallace > http://www.wallacecompany.com/machine_shop/ > http://www.wallacecompany.com/E45/index.html > California, USA > > > ------------------------------------------------------------------------------ > Try before you buy = See our experts in action! > The most comprehensive online learning library for Microsoft developers > is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, > Metro Style Apps, more. Free future releases when you subscribe now! > http://p.sf.net/sfu/learndevnow-dev2 > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Try before you buy = See our experts in action! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-dev2 _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
