I really prefer sensors made by these guys: http://www.lem.com
These are the sensors used in a number of VVF drives used in high reliability applications. N.C. On 2012-Mar-18, at 13:00, Kirk Wallace wrote: > These look pretty handy: > http://www.pololu.com/catalog/product/1187 > > I'm thinking about ways to add load sensing for drives that don't have > this feature yet. Also, I wonder if they are fast enough for PWM signal > control? > > Digikey has some other models of these sensors but it seems for my > purposes, the working voltage isn't high enough, or the current range > is too wide and some resolution is lost. > > Current can also be measured with an opamp measuring voltage across a > current sense resistor, but I'm worried about a common mode voltage in > the hundreds of Volts. Is there away to handle this? > -- > Kirk Wallace > http://www.wallacecompany.com/machine_shop/ > http://www.wallacecompany.com/E45/index.html > California, USA > > > > ------------------------------------------------------------------------------ > This SF email is sponsosred by: > Try Windows Azure free for 90 days Click Here > http://p.sf.net/sfu/sfd2d-msazure > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ 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
